Closed
Description
auto-reduced (treereduce-rust):
#![feature(return_type_notation)]
trait HealthCheck {
async fn check<const N: usize>() -> bool;
}
async fn do_health_check_par<HC>(hc: HC)
where
HC: HealthCheck<check(): Send> + Send + 'static,
{
}
original:
// edition: 2021
// known-bug: #110963
#![feature(return_type_notation)]
trait HealthCheck {
async fn check<const N: usize>(&'a mut self) -> bool;
}
async fn do_health_check_par<HC>(hc: HC)
where
HC: HealthCheck<check(): Send> + Send + 'static,
{
spawn(async move {});
}
async fn log_health_check_failure() {}
fn main() {}
// Fake tokio spawn
use std::future::Future;
use std::pin::Pin;
use std::task::{Context, Poll};
fn spawn<F>(future: F) -> JoinHandle
where
F: Future + Send + 'static,
F::Output: Send + 'static,
{
loop {}
}
struct JoinHandle;
impl Future for JoinHandle {
type Output = ();
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
loop {}
}
}Version information
rustc 1.77.0-nightly (867d39cdf 2024-01-21)
binary: rustc
commit-hash: 867d39cdf625e4db4b381faff993346582e598b4
commit-date: 2024-01-21
host: x86_64-unknown-linux-gnu
release: 1.77.0-nightly
LLVM version: 17.0.6
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc --edition=2021
Program output
warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes
--> /tmp/icemaker_global_tempdir.zo1IV1zDLNti/rustc_testrunner_tmpdir_reporting.wzoINDhzKCZv/mvce.rs:1:12
|
1 | #![feature(return_type_notation)]
| ^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
= note: `#[warn(incomplete_features)]` on by default
error[E0601]: `main` function not found in crate `mvce`
--> /tmp/icemaker_global_tempdir.zo1IV1zDLNti/rustc_testrunner_tmpdir_reporting.wzoINDhzKCZv/mvce.rs:11:2
|
11 | }
| ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.zo1IV1zDLNti/rustc_testrunner_tmpdir_reporting.wzoINDhzKCZv/mvce.rs`
error: return type notation is not allowed for functions that have const parameters
--> /tmp/icemaker_global_tempdir.zo1IV1zDLNti/rustc_testrunner_tmpdir_reporting.wzoINDhzKCZv/mvce.rs:9:21
|
4 | async fn check<const N: usize>() -> bool;
| -------------- const parameter declared here
...
9 | HC: HealthCheck<check(): Send> + Send + 'static,
| ^^^^^^^^^^^^^
warning: unused variable: `hc`
--> /tmp/icemaker_global_tempdir.zo1IV1zDLNti/rustc_testrunner_tmpdir_reporting.wzoINDhzKCZv/mvce.rs:7:34
|
7 | async fn do_health_check_par<HC>(hc: HC)
| ^^ help: if this is intentional, prefix it with an underscore: `_hc`
|
= note: `#[warn(unused_variables)]` on by default
thread 'rustc' panicked at compiler/rustc_infer/src/infer/canonical/canonicalizer.rs:621:13:
assertion failed: self.canonicalize_mode.preserve_universes()
stack backtrace:
0: 0x7f1d87b8c7e6 - std::backtrace_rs::backtrace::libunwind::trace::h724be89a9e40ec49
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
1: 0x7f1d87b8c7e6 - std::backtrace_rs::backtrace::trace_unsynchronized::hf0bde6402500fe04
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f1d87b8c7e6 - std::sys_common::backtrace::_print_fmt::he6075a408ee1232d
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/sys_common/backtrace.rs:68:5
3: 0x7f1d87b8c7e6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he204d41f17d62b91
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f1d87bdede0 - core::fmt::rt::Argument::fmt::hf1610cf83738c7b3
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/core/src/fmt/rt.rs:142:9
5: 0x7f1d87bdede0 - core::fmt::write::h24507a37e321897e
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/core/src/fmt/mod.rs:1120:17
6: 0x7f1d87b8011f - std::io::Write::write_fmt::h04b187f3353e478e
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/io/mod.rs:1810:15
7: 0x7f1d87b8c5c4 - std::sys_common::backtrace::_print::h463d589b0e5ce6b8
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7f1d87b8c5c4 - std::sys_common::backtrace::print::hedf47c99c2ebc7b0
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7f1d87b8f357 - std::panicking::default_hook::{{closure}}::he58a7e015a92f122
10: 0x7f1d87b8f0b9 - std::panicking::default_hook::h70da1b946611acb4
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/panicking.rs:292:9
11: 0x7f1d8a96dcdc - std[ec97f88c3d12f03e]::panicking::update_hook::<alloc[1a0b465fba8888bc]::boxed::Box<rustc_driver_impl[ac8ee63a7955201d]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x7f1d87b8faa6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hf27588ae0166f73e
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/alloc/src/boxed.rs:2030:9
13: 0x7f1d87b8faa6 - std::panicking::rust_panic_with_hook::hb29a0643c8a76675
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/panicking.rs:785:13
14: 0x7f1d87b8f7b9 - std::panicking::begin_panic_handler::{{closure}}::hf72b8224db67d18e
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/panicking.rs:651:13
15: 0x7f1d87b8cce6 - std::sys_common::backtrace::__rust_end_short_backtrace::h5319dcbca486a773
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/sys_common/backtrace.rs:171:18
16: 0x7f1d87b8f544 - rust_begin_unwind
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/panicking.rs:647:5
17: 0x7f1d87bdb4e5 - core::panicking::panic_fmt::h600317e0bbc2a64c
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/core/src/panicking.rs:72:14
18: 0x7f1d87bdb5a3 - core::panicking::panic::hbd67e399d93b79e6
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/core/src/panicking.rs:144:5
19: 0x7f1d8bf82fcc - <rustc_infer[64ba5e0f8cdc0c1b]::infer::canonical::canonicalizer::Canonicalizer>::canonical_var
20: 0x7f1d8ac0ab9b - <rustc_infer[64ba5e0f8cdc0c1b]::infer::canonical::canonicalizer::Canonicalizer>::canonicalize_const_var
21: 0x7f1d8bf82b9b - <rustc_infer[64ba5e0f8cdc0c1b]::infer::canonical::canonicalizer::Canonicalizer as rustc_type_ir[8504b88f9d7e9cda]::fold::TypeFolder<rustc_middle[39e78f378d30b2da]::ty::context::TyCtxt>>::fold_const
22: 0x7f1d8bf8344f - <&rustc_middle[39e78f378d30b2da]::ty::list::List<rustc_middle[39e78f378d30b2da]::ty::generic_args::GenericArg> as rustc_type_ir[8504b88f9d7e9cda]::fold::TypeFoldable<rustc_middle[39e78f378d30b2da]::ty::context::TyCtxt>>::try_fold_with::<rustc_infer[64ba5e0f8cdc0c1b]::infer::canonical::canonicalizer::Canonicalizer>
23: 0x7f1d8c07c395 - <rustc_infer[64ba5e0f8cdc0c1b]::infer::InferCtxt>::canonicalize_query::<rustc_middle[39e78f378d30b2da]::ty::sty::AliasTy>
24: 0x7f1d8c079693 - <rustc_trait_selection[37b656e9446fa98d]::traits::query::normalize::QueryNormalizer as rustc_type_ir[8504b88f9d7e9cda]::fold::FallibleTypeFolder<rustc_middle[39e78f378d30b2da]::ty::context::TyCtxt>>::try_fold_ty
25: 0x7f1d8c07806c - <&rustc_middle[39e78f378d30b2da]::ty::list::List<rustc_middle[39e78f378d30b2da]::ty::generic_args::GenericArg> as rustc_type_ir[8504b88f9d7e9cda]::fold::TypeFoldable<rustc_middle[39e78f378d30b2da]::ty::context::TyCtxt>>::try_fold_with::<rustc_trait_selection[37b656e9446fa98d]::traits::query::normalize::QueryNormalizer>
26: 0x7f1d8c722853 - <rustc_infer[64ba5e0f8cdc0c1b]::infer::InferCtxtBuilder as rustc_trait_selection[37b656e9446fa98d]::infer::InferCtxtBuilderExt>::enter_canonical_trait_query::<rustc_middle[39e78f378d30b2da]::ty::ParamEnvAnd<rustc_middle[39e78f378d30b2da]::traits::query::type_op::Normalize<rustc_middle[39e78f378d30b2da]::ty::Clause>>, rustc_middle[39e78f378d30b2da]::ty::Clause, rustc_traits[5d281b8982a8b3f6]::type_op::type_op_normalize<rustc_middle[39e78f378d30b2da]::ty::Clause>>
27: 0x7f1d8c72219e - rustc_query_impl[9a5ad8910be61754]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9a5ad8910be61754]::query_impl::type_op_normalize_clause::dynamic_query::{closure#2}::{closure#0}, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>
28: 0x7f1d8c722165 - <rustc_query_impl[9a5ad8910be61754]::query_impl::type_op_normalize_clause::dynamic_query::{closure#2} as core[7f256bc05cbdfe52]::ops::function::FnOnce<(rustc_middle[39e78f378d30b2da]::ty::context::TyCtxt, rustc_type_ir[8504b88f9d7e9cda]::canonical::Canonical<rustc_middle[39e78f378d30b2da]::ty::context::TyCtxt, rustc_middle[39e78f378d30b2da]::ty::ParamEnvAnd<rustc_middle[39e78f378d30b2da]::traits::query::type_op::Normalize<rustc_middle[39e78f378d30b2da]::ty::Clause>>>)>>::call_once
29: 0x7f1d8c7213b4 - rustc_query_system[bd01bebe767ccb0c]::query::plumbing::try_execute_query::<rustc_query_impl[9a5ad8910be61754]::DynamicConfig<rustc_query_system[bd01bebe767ccb0c]::query::caches::DefaultCache<rustc_type_ir[8504b88f9d7e9cda]::canonical::Canonical<rustc_middle[39e78f378d30b2da]::ty::context::TyCtxt, rustc_middle[39e78f378d30b2da]::ty::ParamEnvAnd<rustc_middle[39e78f378d30b2da]::traits::query::type_op::Normalize<rustc_middle[39e78f378d30b2da]::ty::Ty>>>, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[9a5ad8910be61754]::plumbing::QueryCtxt, false>
30: 0x7f1d8c721020 - rustc_query_impl[9a5ad8910be61754]::query_impl::type_op_normalize_clause::get_query_non_incr::__rust_end_short_backtrace
31: 0x7f1d8c45face - <rustc_middle[39e78f378d30b2da]::ty::Clause as rustc_trait_selection[37b656e9446fa98d]::traits::query::type_op::normalize::Normalizable>::type_op_method
32: 0x7f1d8ca1b165 - <rustc_borrowck[ad4fa52b0cb76942]::type_check::TypeChecker>::typeck_mir
33: 0x7f1d8935c504 - rustc_borrowck[ad4fa52b0cb76942]::type_check::type_check
34: 0x7f1d893401c6 - rustc_borrowck[ad4fa52b0cb76942]::nll::compute_regions
35: 0x7f1d8ca488b3 - rustc_borrowck[ad4fa52b0cb76942]::do_mir_borrowck
36: 0x7f1d8ca38ad9 - rustc_borrowck[ad4fa52b0cb76942]::mir_borrowck
37: 0x7f1d8ca38519 - rustc_query_impl[9a5ad8910be61754]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9a5ad8910be61754]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>
38: 0x7f1d8be34639 - rustc_query_system[bd01bebe767ccb0c]::query::plumbing::try_execute_query::<rustc_query_impl[9a5ad8910be61754]::DynamicConfig<rustc_query_system[bd01bebe767ccb0c]::query::caches::VecCache<rustc_span[a1c8e94b6f6e1574]::def_id::LocalDefId, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[9a5ad8910be61754]::plumbing::QueryCtxt, false>
39: 0x7f1d8be3409c - rustc_query_impl[9a5ad8910be61754]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
40: 0x7f1d8cc19b2d - rustc_hir_analysis[890c39eb2debb756]::collect::type_of::type_of_opaque
41: 0x7f1d8cc197a7 - rustc_query_impl[9a5ad8910be61754]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9a5ad8910be61754]::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>
42: 0x7f1d8bc5c021 - rustc_query_system[bd01bebe767ccb0c]::query::plumbing::try_execute_query::<rustc_query_impl[9a5ad8910be61754]::DynamicConfig<rustc_query_system[bd01bebe767ccb0c]::query::caches::DefIdCache<rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[9a5ad8910be61754]::plumbing::QueryCtxt, false>
43: 0x7f1d8cc5f05e - rustc_query_impl[9a5ad8910be61754]::query_impl::type_of_opaque::get_query_non_incr::__rust_end_short_backtrace
44: 0x7f1d8c0395d1 - rustc_middle[39e78f378d30b2da]::query::plumbing::query_get_at::<rustc_query_system[bd01bebe767ccb0c]::query::caches::DefIdCache<rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>>
45: 0x7f1d89ecd9ec - rustc_hir_analysis[890c39eb2debb756]::collect::type_of::type_of
46: 0x7f1d8bc5d3aa - rustc_query_impl[9a5ad8910be61754]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9a5ad8910be61754]::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>
47: 0x7f1d8bc5c021 - rustc_query_system[bd01bebe767ccb0c]::query::plumbing::try_execute_query::<rustc_query_impl[9a5ad8910be61754]::DynamicConfig<rustc_query_system[bd01bebe767ccb0c]::query::caches::DefIdCache<rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[9a5ad8910be61754]::plumbing::QueryCtxt, false>
48: 0x7f1d8bc5bbdd - rustc_query_impl[9a5ad8910be61754]::query_impl::type_of::get_query_non_incr::__rust_end_short_backtrace
49: 0x7f1d8c0395d1 - rustc_middle[39e78f378d30b2da]::query::plumbing::query_get_at::<rustc_query_system[bd01bebe767ccb0c]::query::caches::DefIdCache<rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 8usize]>>>
50: 0x7f1d8c8b0ed7 - rustc_hir_analysis[890c39eb2debb756]::check::check::check_item_type
51: 0x7f1d8c16a657 - rustc_hir_analysis[890c39eb2debb756]::check::wfcheck::check_well_formed
52: 0x7f1d8c169619 - rustc_query_impl[9a5ad8910be61754]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9a5ad8910be61754]::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 1usize]>>
53: 0x7f1d8c168cf1 - rustc_query_system[bd01bebe767ccb0c]::query::plumbing::try_execute_query::<rustc_query_impl[9a5ad8910be61754]::DynamicConfig<rustc_query_system[bd01bebe767ccb0c]::query::caches::VecCache<rustc_hir[19fa2e48be4bf838]::hir_id::OwnerId, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[9a5ad8910be61754]::plumbing::QueryCtxt, false>
54: 0x7f1d8c168a61 - rustc_query_impl[9a5ad8910be61754]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace
55: 0x7f1d8c16650c - rustc_hir_analysis[890c39eb2debb756]::check::wfcheck::check_mod_type_wf
56: 0x7f1d8c166435 - rustc_query_impl[9a5ad8910be61754]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9a5ad8910be61754]::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 1usize]>>
57: 0x7f1d8c9c4afb - rustc_query_system[bd01bebe767ccb0c]::query::plumbing::try_execute_query::<rustc_query_impl[9a5ad8910be61754]::DynamicConfig<rustc_query_system[bd01bebe767ccb0c]::query::caches::DefaultCache<rustc_span[a1c8e94b6f6e1574]::def_id::LocalModDefId, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[9a5ad8910be61754]::plumbing::QueryCtxt, false>
58: 0x7f1d8c9c4803 - rustc_query_impl[9a5ad8910be61754]::query_impl::check_mod_type_wf::get_query_non_incr::__rust_end_short_backtrace
59: 0x7f1d8be31a85 - rustc_middle[39e78f378d30b2da]::query::plumbing::query_ensure_error_guaranteed::<rustc_query_system[bd01bebe767ccb0c]::query::caches::DefaultCache<rustc_span[a1c8e94b6f6e1574]::def_id::LocalModDefId, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 1usize]>>, ()>
60: 0x7f1d8be323cb - rustc_hir_analysis[890c39eb2debb756]::check_crate
61: 0x7f1d8c574b92 - rustc_interface[15087acd939f8ea0]::passes::analysis
62: 0x7f1d8c5747df - rustc_query_impl[9a5ad8910be61754]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9a5ad8910be61754]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 1usize]>>
63: 0x7f1d8c64cbf2 - rustc_query_system[bd01bebe767ccb0c]::query::plumbing::try_execute_query::<rustc_query_impl[9a5ad8910be61754]::DynamicConfig<rustc_query_system[bd01bebe767ccb0c]::query::caches::SingleCache<rustc_middle[39e78f378d30b2da]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[9a5ad8910be61754]::plumbing::QueryCtxt, false>
64: 0x7f1d8c64c955 - rustc_query_impl[9a5ad8910be61754]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
65: 0x7f1d8c9747b3 - rustc_interface[15087acd939f8ea0]::interface::run_compiler::<core[7f256bc05cbdfe52]::result::Result<(), rustc_span[a1c8e94b6f6e1574]::ErrorGuaranteed>, rustc_driver_impl[ac8ee63a7955201d]::run_compiler::{closure#0}>::{closure#0}
66: 0x7f1d8cc0ddc6 - std[ec97f88c3d12f03e]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[15087acd939f8ea0]::util::run_in_thread_with_globals<rustc_interface[15087acd939f8ea0]::util::run_in_thread_pool_with_globals<rustc_interface[15087acd939f8ea0]::interface::run_compiler<core[7f256bc05cbdfe52]::result::Result<(), rustc_span[a1c8e94b6f6e1574]::ErrorGuaranteed>, rustc_driver_impl[ac8ee63a7955201d]::run_compiler::{closure#0}>::{closure#0}, core[7f256bc05cbdfe52]::result::Result<(), rustc_span[a1c8e94b6f6e1574]::ErrorGuaranteed>>::{closure#0}, core[7f256bc05cbdfe52]::result::Result<(), rustc_span[a1c8e94b6f6e1574]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7f256bc05cbdfe52]::result::Result<(), rustc_span[a1c8e94b6f6e1574]::ErrorGuaranteed>>
67: 0x7f1d8cc0dbf3 - <<std[ec97f88c3d12f03e]::thread::Builder>::spawn_unchecked_<rustc_interface[15087acd939f8ea0]::util::run_in_thread_with_globals<rustc_interface[15087acd939f8ea0]::util::run_in_thread_pool_with_globals<rustc_interface[15087acd939f8ea0]::interface::run_compiler<core[7f256bc05cbdfe52]::result::Result<(), rustc_span[a1c8e94b6f6e1574]::ErrorGuaranteed>, rustc_driver_impl[ac8ee63a7955201d]::run_compiler::{closure#0}>::{closure#0}, core[7f256bc05cbdfe52]::result::Result<(), rustc_span[a1c8e94b6f6e1574]::ErrorGuaranteed>>::{closure#0}, core[7f256bc05cbdfe52]::result::Result<(), rustc_span[a1c8e94b6f6e1574]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7f256bc05cbdfe52]::result::Result<(), rustc_span[a1c8e94b6f6e1574]::ErrorGuaranteed>>::{closure#1} as core[7f256bc05cbdfe52]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
68: 0x7f1d87b99395 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4f918b95d8571b4b
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/alloc/src/boxed.rs:2016:9
69: 0x7f1d87b99395 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5b8db489c90c1046
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/alloc/src/boxed.rs:2016:9
70: 0x7f1d87b99395 - std::sys::pal::unix::thread::Thread::new::thread_start::h324a3fd6add17bd3
at /rustc/867d39cdf625e4db4b381faff993346582e598b4/library/std/src/sys/pal/unix/thread.rs:108:17
71: 0x7f1d879859eb - <unknown>
72: 0x7f1d87a097cc - <unknown>
73: 0x0 - <unknown>
error: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
note: rustc 1.77.0-nightly (867d39cdf 2024-01-21) running on x86_64-unknown-linux-gnu
note: compiler flags: -Z dump-mir-dir=dir
query stack during panic:
#0 [type_op_normalize_clause] normalizing `Binder { value: TraitPredicate(<<HC as HealthCheck>::{opaque#0}<^0> as core::marker::Send>, polarity:Positive), bound_vars: [Const] }`
#1 [mir_borrowck] borrow-checking `do_health_check_par`
#2 [type_of_opaque] computing type of opaque `do_health_check_par::{opaque#0}`
#3 [type_of] computing type of `do_health_check_par::{opaque#0}`
#4 [check_well_formed] checking that `do_health_check_par::{opaque#0}` is well-formed
#5 [check_mod_type_wf] checking that types are well-formed in top-level module
#6 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 2 previous errors; 2 warnings emitted
For more information about this error, try `rustc --explain E0601`.