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Confusing recursion overflow error instead of mismatched type #77291

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Confusing recursion overflow error instead of mismatched type#77291
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A-diagnosticsArea: Messages for errors, warnings, and lintsC-enhancementCategory: An issue proposing an enhancement or a PR with one.E-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable ExampleT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.
@YaLTeR

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@YaLTeR
YaLTeR
opened on Sep 28, 2020

I tried this code:

use gstreamer as gst;
use gst::prelude::*;

fn foo(x: gst::Object) {
    let _ = x.get_parent() == Some(x.upcast_ref());
    // let _ = x.get_parent() == Some(x.upcast_ref::<gst::Object>()); // Good error with ::<>
    // let _ = x.get_parent().as_ref() == Some(x.upcast_ref()); // Correct
}

I expected to see this happen:

error[E0308]: mismatched types
 --> src/main.rs:6:36
  |
6 |     let _ = x.get_parent() == Some(x.upcast_ref::<gst::Object>()); // Good error with ::<>
  |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `gstreamer::Object`, found `&gstreamer::Object`

Instead, this happened:
Either

error[E0275]: overflow evaluating the requirement `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>: num_traits::pow::Pow<i128>`
 --> src/main.rs:5:36
  |
5 |     let _ = x.get_parent() == Some(x.upcast_ref());
  |                                    ^^^^^^^^^^^^^^
  |
  = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`temp`)
or a longer version 
error[E0275]: overflow evaluating the requirement `&num_rational::Ratio<_>: num_traits::pow::Pow<u16>`
 --> src/main.rs:5:36
  |
5 |     let _ = x.get_parent() == Some(x.upcast_ref());
  |                                    ^^^^^^^^^^^^^^
  |
  = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`temp`)
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<_>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
  = note: required because of the requirements on the impl of `num_traits::pow::Pow<u16>` for `&num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<num_rational::Ratio<_>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`

Meta

rustc --version --verbose:

rustc 1.46.0 (04488afe3 2020-08-24)
binary: rustc
commit-hash: 04488afe34512aa4c33566eb16d8c912a3ae04f9
commit-date: 2020-08-24
host: x86_64-unknown-linux-gnu
release: 1.46.0
LLVM version: 10.0

rustc 1.48.0-nightly (7f7a1cbfd 2020-09-27)
binary: rustc
commit-hash: 7f7a1cbfd3b55daee191247770627afab09eece2
commit-date: 2020-09-27
host: x86_64-unknown-linux-gnu
release: 1.48.0-nightly
LLVM version: 11.0

cc @sdroege

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