Open
Description
Code
#![feature(async_drop)]
use std::future::AsyncDrop;
struct a;
impl Drop for a {
fn b() {}
}
impl AsyncDrop for a {
fn c(d: impl Sized) {}
}
async fn bar() {
a;
}Meta
rustc --version --verbose:
rustc 1.88.0-nightly (74509131e 2025-04-29)
binary: rustc
commit-hash: 74509131e85a97353c67c503ea32e148a56cf4bd
commit-date: 2025-04-29
host: x86_64-unknown-linux-gnu
release: 1.88.0-nightly
LLVM version: 20.1.2
Error output
error[E0670]: `async fn` is not permitted in Rust 2015
--> code.rs:10:1
|
10 | async fn bar() {
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: pass `--edition 2024` to `rustc`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0407]: method `b` is not a member of trait `Drop`
--> code.rs:5:5
|
5 | fn b() {}
| ^^^^^^^^^ not a member of trait `Drop`
error[E0407]: method `c` is not a member of trait `AsyncDrop`
--> code.rs:8:5
|
8 | fn c(d: impl Sized) {}
| ^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `AsyncDrop`
warning: the feature `async_drop` is incomplete and may not be safe to use and/or cause compiler crashes
--> code.rs:1:12
|
1 | #![feature(async_drop)]
| ^^^^^^^^^^
|
= note: see issue #126482 <https://github.com/rust-lang/rust/issues/126482> for more information
= note: `#[warn(incomplete_features)]` on by default
warning: type `a` should have an upper camel case name
--> code.rs:3:8
|
3 | struct a;
| ^ help: convert the identifier to upper camel case: `A`
|
= note: `#[warn(non_camel_case_types)]` on by default
error[E0601]: `main` function not found in crate `code`
--> code.rs:12:2
|
12 | }
| ^ consider adding a `main` function to `code.rs`
error[E0046]: not all trait items implemented, missing: `drop`
--> code.rs:4:1
|
4 | impl Drop for a {
| ^^^^^^^^^^^^^^^ missing `drop` in implementation
|
= help: implement the missing item: `fn drop(&mut self) { todo!() }`
error[E0046]: not all trait items implemented, missing: `drop`
--> code.rs:7:1
|
7 | impl AsyncDrop for a {
| ^^^^^^^^^^^^^^^^^^^^ missing `drop` in implementation
|
= help: implement the missing item: `async fn drop(self: Pin<&mut Self>) { todo!() }`
warning: unused variable: `d`
--> code.rs:8:10
|
8 | fn c(d: impl Sized) {}
| ^ help: if this is intentional, prefix it with an underscore: `_d`
|
= note: `#[warn(unused_variables)]` on by default
thread 'rustc' panicked at /rustc/74509131e85a97353c67c503ea32e148a56cf4bd/compiler/rustc_type_ir/src/binder.rs:745:9:
type parameter `impl Sized/#0` (impl Sized/#0/0) out of range when instantiating, args=[]
stack backtrace:
0: 0x703acf169f33 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h940a15c10b74a984
1: 0x703acf8059c7 - core::fmt::write::h27d0d067a83bb98d
2: 0x703ad0c4ce91 - std::io::Write::write_fmt::h8c0aa2ff96715802
3: 0x703acf169d92 - std::sys::backtrace::BacktraceLock::print::hbd895996714cfb75
4: 0x703acf16dbda - std::panicking::default_hook::{{closure}}::hf8bfd53a7aa014c9
5: 0x703acf16d75f - std::panicking::default_hook::h779fae0b10bfc65a
6: 0x703ace1a8cb3 - std[684fc9da43124e0c]::panicking::update_hook::<alloc[df1b7aef73f2726f]::boxed::Box<rustc_driver_impl[b177b346234fa389]::install_ice_hook::{closure#1}>>::{closure#0}
7: 0x703acf16e453 - std::panicking::rust_panic_with_hook::h0e4edc55fd8a33ac
8: 0x703acf16e14a - std::panicking::begin_panic_handler::{{closure}}::hc69138d771aa5c8e
9: 0x703acf16a3f9 - std::sys::backtrace::__rust_end_short_backtrace::h1ebcd854390fdb38
10: 0x703acf16de0d - __rustc[26203448fb6e4f80]::rust_begin_unwind
11: 0x703acba9f610 - core::panicking::panic_fmt::h4402d0abfd7c69cd
12: 0x703ace7bef09 - <rustc_type_ir[3644b28dcac5f763]::binder::ArgFolder<rustc_middle[8ab0ab91ca03a2f2]::ty::context::TyCtxt>>::type_param_out_of_range
13: 0x703acf838de2 - <rustc_type_ir[3644b28dcac5f763]::binder::ArgFolder<rustc_middle[8ab0ab91ca03a2f2]::ty::context::TyCtxt> as rustc_type_ir[3644b28dcac5f763]::fold::TypeFolder<rustc_middle[8ab0ab91ca03a2f2]::ty::context::TyCtxt>>::fold_ty
14: 0x703acf834d20 - <rustc_middle[8ab0ab91ca03a2f2]::ty::Ty>::fn_sig
15: 0x703ace9af9d2 - <rustc_mir_transform[725ac123b1b343ff]::elaborate_drop::DropCtxt<rustc_mir_transform[725ac123b1b343ff]::shim::DropShimElaborator>>::build_async_drop
16: 0x703ad007a886 - <rustc_mir_transform[725ac123b1b343ff]::elaborate_drop::DropCtxt<rustc_mir_transform[725ac123b1b343ff]::shim::DropShimElaborator>>::elaborate_drop
17: 0x703ad0074135 - rustc_mir_transform[725ac123b1b343ff]::shim::make_shim
18: 0x703ad007216f - rustc_query_impl[939c91760624a63f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[939c91760624a63f]::query_impl::mir_shims::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 8usize]>>
19: 0x703ad0072127 - <rustc_query_impl[939c91760624a63f]::query_impl::mir_shims::dynamic_query::{closure#2} as core[7a8de144660bd3c7]::ops::function::FnOnce<(rustc_middle[8ab0ab91ca03a2f2]::ty::context::TyCtxt, rustc_middle[8ab0ab91ca03a2f2]::ty::instance::InstanceKind)>>::call_once
20: 0x703acff83b12 - rustc_query_system[6953a25049fa90fd]::query::plumbing::try_execute_query::<rustc_query_impl[939c91760624a63f]::DynamicConfig<rustc_query_system[6953a25049fa90fd]::query::caches::DefaultCache<rustc_middle[8ab0ab91ca03a2f2]::ty::instance::InstanceKind, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[939c91760624a63f]::plumbing::QueryCtxt, false>
21: 0x703acff8382b - rustc_query_impl[939c91760624a63f]::query_impl::mir_shims::get_query_non_incr::__rust_end_short_backtrace
22: 0x703ace8461a0 - <rustc_middle[8ab0ab91ca03a2f2]::ty::context::TyCtxt>::coroutine_layout
23: 0x703acfeb6739 - rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of_uncached
24: 0x703acfea5452 - rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of
25: 0x703acfea53b6 - rustc_query_impl[939c91760624a63f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[939c91760624a63f]::query_impl::layout_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>
26: 0x703acfea41b3 - rustc_query_system[6953a25049fa90fd]::query::plumbing::try_execute_query::<rustc_query_impl[939c91760624a63f]::DynamicConfig<rustc_query_system[6953a25049fa90fd]::query::caches::DefaultCache<rustc_middle[8ab0ab91ca03a2f2]::ty::PseudoCanonicalInput<rustc_middle[8ab0ab91ca03a2f2]::ty::Ty>, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>, false, true, false>, rustc_query_impl[939c91760624a63f]::plumbing::QueryCtxt, false>
27: 0x703acfea3df2 - rustc_query_impl[939c91760624a63f]::query_impl::layout_of::get_query_non_incr::__rust_end_short_backtrace
28: 0x703acfea77a4 - <core[7a8de144660bd3c7]::iter::adapters::GenericShunt<core[7a8de144660bd3c7]::iter::adapters::by_ref_sized::ByRefSized<core[7a8de144660bd3c7]::iter::adapters::map::Map<core[7a8de144660bd3c7]::slice::iter::Iter<rustc_middle[8ab0ab91ca03a2f2]::ty::VariantDef>, rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of_uncached::{closure#20}>>, core[7a8de144660bd3c7]::result::Result<core[7a8de144660bd3c7]::convert::Infallible, &rustc_middle[8ab0ab91ca03a2f2]::ty::layout::LayoutError>> as core[7a8de144660bd3c7]::iter::traits::iterator::Iterator>::next
29: 0x703acfeab83e - rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of_uncached
30: 0x703acfea5452 - rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of
31: 0x703acfea53b6 - rustc_query_impl[939c91760624a63f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[939c91760624a63f]::query_impl::layout_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>
32: 0x703acfea41b3 - rustc_query_system[6953a25049fa90fd]::query::plumbing::try_execute_query::<rustc_query_impl[939c91760624a63f]::DynamicConfig<rustc_query_system[6953a25049fa90fd]::query::caches::DefaultCache<rustc_middle[8ab0ab91ca03a2f2]::ty::PseudoCanonicalInput<rustc_middle[8ab0ab91ca03a2f2]::ty::Ty>, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>, false, true, false>, rustc_query_impl[939c91760624a63f]::plumbing::QueryCtxt, false>
33: 0x703acfea3df2 - rustc_query_impl[939c91760624a63f]::query_impl::layout_of::get_query_non_incr::__rust_end_short_backtrace
34: 0x703acfea7b54 - <core[7a8de144660bd3c7]::iter::adapters::GenericShunt<core[7a8de144660bd3c7]::iter::adapters::by_ref_sized::ByRefSized<core[7a8de144660bd3c7]::iter::adapters::map::Map<core[7a8de144660bd3c7]::slice::iter::Iter<rustc_middle[8ab0ab91ca03a2f2]::ty::VariantDef>, rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of_uncached::{closure#20}>>, core[7a8de144660bd3c7]::result::Result<core[7a8de144660bd3c7]::convert::Infallible, &rustc_middle[8ab0ab91ca03a2f2]::ty::layout::LayoutError>> as core[7a8de144660bd3c7]::iter::traits::iterator::Iterator>::next
35: 0x703acfeab83e - rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of_uncached
36: 0x703acfea5452 - rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of
37: 0x703acfea53b6 - rustc_query_impl[939c91760624a63f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[939c91760624a63f]::query_impl::layout_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>
38: 0x703acfea41b3 - rustc_query_system[6953a25049fa90fd]::query::plumbing::try_execute_query::<rustc_query_impl[939c91760624a63f]::DynamicConfig<rustc_query_system[6953a25049fa90fd]::query::caches::DefaultCache<rustc_middle[8ab0ab91ca03a2f2]::ty::PseudoCanonicalInput<rustc_middle[8ab0ab91ca03a2f2]::ty::Ty>, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>, false, true, false>, rustc_query_impl[939c91760624a63f]::plumbing::QueryCtxt, false>
39: 0x703acfea3df2 - rustc_query_impl[939c91760624a63f]::query_impl::layout_of::get_query_non_incr::__rust_end_short_backtrace
40: 0x703acfea5eac - rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of
41: 0x703acfea53b6 - rustc_query_impl[939c91760624a63f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[939c91760624a63f]::query_impl::layout_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>
42: 0x703acfea41b3 - rustc_query_system[6953a25049fa90fd]::query::plumbing::try_execute_query::<rustc_query_impl[939c91760624a63f]::DynamicConfig<rustc_query_system[6953a25049fa90fd]::query::caches::DefaultCache<rustc_middle[8ab0ab91ca03a2f2]::ty::PseudoCanonicalInput<rustc_middle[8ab0ab91ca03a2f2]::ty::Ty>, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>, false, true, false>, rustc_query_impl[939c91760624a63f]::plumbing::QueryCtxt, false>
43: 0x703acfea3df2 - rustc_query_impl[939c91760624a63f]::query_impl::layout_of::get_query_non_incr::__rust_end_short_backtrace
44: 0x703acfea31c9 - <rustc_middle[8ab0ab91ca03a2f2]::ty::layout::LayoutCx as rustc_middle[8ab0ab91ca03a2f2]::ty::layout::LayoutOf>::spanned_layout_of
45: 0x703acf0d5bf0 - <core[7a8de144660bd3c7]::iter::adapters::GenericShunt<core[7a8de144660bd3c7]::iter::adapters::by_ref_sized::ByRefSized<core[7a8de144660bd3c7]::iter::adapters::map::Map<core[7a8de144660bd3c7]::slice::iter::Iter<rustc_middle[8ab0ab91ca03a2f2]::mir::query::CoroutineSavedTy>, rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of_uncached::{closure#12}>>, core[7a8de144660bd3c7]::result::Result<core[7a8de144660bd3c7]::convert::Infallible, &rustc_middle[8ab0ab91ca03a2f2]::ty::layout::LayoutError>> as core[7a8de144660bd3c7]::iter::traits::iterator::Iterator>::next
46: 0x703acf0c13ca - core[7a8de144660bd3c7]::iter::adapters::try_process::<core[7a8de144660bd3c7]::iter::adapters::by_ref_sized::ByRefSized<core[7a8de144660bd3c7]::iter::adapters::map::Map<core[7a8de144660bd3c7]::slice::iter::Iter<rustc_middle[8ab0ab91ca03a2f2]::mir::query::CoroutineSavedTy>, rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of_uncached::{closure#12}>>, rustc_abi[63cb13ea47e76e19]::layout::ty::TyAndLayout<rustc_middle[8ab0ab91ca03a2f2]::ty::Ty>, core[7a8de144660bd3c7]::result::Result<core[7a8de144660bd3c7]::convert::Infallible, &rustc_middle[8ab0ab91ca03a2f2]::ty::layout::LayoutError>, <core[7a8de144660bd3c7]::iter::adapters::map::Map<core[7a8de144660bd3c7]::slice::iter::Iter<rustc_middle[8ab0ab91ca03a2f2]::mir::query::CoroutineSavedTy>, rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of_uncached::{closure#12}> as core[7a8de144660bd3c7]::iter::traits::iterator::Iterator>::try_collect<rustc_index[1de6a2bc4020dc5e]::vec::IndexVec<rustc_middle[8ab0ab91ca03a2f2]::mir::query::CoroutineSavedLocal, rustc_abi[63cb13ea47e76e19]::layout::ty::TyAndLayout<rustc_middle[8ab0ab91ca03a2f2]::ty::Ty>>>::{closure#0}, rustc_index[1de6a2bc4020dc5e]::vec::IndexVec<rustc_middle[8ab0ab91ca03a2f2]::mir::query::CoroutineSavedLocal, rustc_abi[63cb13ea47e76e19]::layout::ty::TyAndLayout<rustc_middle[8ab0ab91ca03a2f2]::ty::Ty>>>
47: 0x703acfeb6d57 - rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of_uncached
48: 0x703acfea5452 - rustc_ty_utils[99196f4d8095f8f1]::layout::layout_of
49: 0x703acfea53b6 - rustc_query_impl[939c91760624a63f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[939c91760624a63f]::query_impl::layout_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>
50: 0x703acfea41b3 - rustc_query_system[6953a25049fa90fd]::query::plumbing::try_execute_query::<rustc_query_impl[939c91760624a63f]::DynamicConfig<rustc_query_system[6953a25049fa90fd]::query::caches::DefaultCache<rustc_middle[8ab0ab91ca03a2f2]::ty::PseudoCanonicalInput<rustc_middle[8ab0ab91ca03a2f2]::ty::Ty>, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 16usize]>>, false, true, false>, rustc_query_impl[939c91760624a63f]::plumbing::QueryCtxt, false>
51: 0x703acfea3df2 - rustc_query_impl[939c91760624a63f]::query_impl::layout_of::get_query_non_incr::__rust_end_short_backtrace
52: 0x703ad06884c5 - <rustc_mir_transform[725ac123b1b343ff]::known_panics_lint::KnownPanicsLint as rustc_mir_transform[725ac123b1b343ff]::pass_manager::MirLint>::run_lint
53: 0x703acf80bea7 - rustc_mir_transform[725ac123b1b343ff]::run_analysis_to_runtime_passes
54: 0x703ad00b1965 - rustc_mir_transform[725ac123b1b343ff]::mir_drops_elaborated_and_const_checked
55: 0x703ad00b1335 - rustc_query_impl[939c91760624a63f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[939c91760624a63f]::query_impl::mir_drops_elaborated_and_const_checked::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 8usize]>>
56: 0x703acfafb9ac - rustc_query_system[6953a25049fa90fd]::query::plumbing::try_execute_query::<rustc_query_impl[939c91760624a63f]::DynamicConfig<rustc_data_structures[901d3a984fee3e28]::vec_cache::VecCache<rustc_span[933243e9cf7e508d]::def_id::LocalDefId, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6953a25049fa90fd]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[939c91760624a63f]::plumbing::QueryCtxt, false>
57: 0x703acfafb28b - rustc_query_impl[939c91760624a63f]::query_impl::mir_drops_elaborated_and_const_checked::get_query_non_incr::__rust_end_short_backtrace
58: 0x703ad021b4d8 - rustc_interface[6e6d2aa8af6dbcb9]::passes::run_required_analyses
59: 0x703ad06c225e - rustc_interface[6e6d2aa8af6dbcb9]::passes::analysis
60: 0x703ad06c2233 - rustc_query_impl[939c91760624a63f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[939c91760624a63f]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 0usize]>>
61: 0x703ad06c7d3d - rustc_query_system[6953a25049fa90fd]::query::plumbing::try_execute_query::<rustc_query_impl[939c91760624a63f]::DynamicConfig<rustc_query_system[6953a25049fa90fd]::query::caches::SingleCache<rustc_middle[8ab0ab91ca03a2f2]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[939c91760624a63f]::plumbing::QueryCtxt, false>
62: 0x703ad06c7a38 - rustc_query_impl[939c91760624a63f]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
63: 0x703ad07373fe - rustc_interface[6e6d2aa8af6dbcb9]::passes::create_and_enter_global_ctxt::<core[7a8de144660bd3c7]::option::Option<rustc_interface[6e6d2aa8af6dbcb9]::queries::Linker>, rustc_driver_impl[b177b346234fa389]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}
64: 0x703ad08a2c94 - rustc_interface[6e6d2aa8af6dbcb9]::interface::run_compiler::<(), rustc_driver_impl[b177b346234fa389]::run_compiler::{closure#0}>::{closure#1}
65: 0x703ad08812b4 - std[684fc9da43124e0c]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[6e6d2aa8af6dbcb9]::util::run_in_thread_with_globals<rustc_interface[6e6d2aa8af6dbcb9]::util::run_in_thread_pool_with_globals<rustc_interface[6e6d2aa8af6dbcb9]::interface::run_compiler<(), rustc_driver_impl[b177b346234fa389]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
66: 0x703ad08816f4 - <<std[684fc9da43124e0c]::thread::Builder>::spawn_unchecked_<rustc_interface[6e6d2aa8af6dbcb9]::util::run_in_thread_with_globals<rustc_interface[6e6d2aa8af6dbcb9]::util::run_in_thread_pool_with_globals<rustc_interface[6e6d2aa8af6dbcb9]::interface::run_compiler<(), rustc_driver_impl[b177b346234fa389]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[7a8de144660bd3c7]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
67: 0x703ad0882aeb - std::sys::pal::unix::thread::Thread::new::thread_start::h207790545876e46f
68: 0x703aca6a370a - <unknown>
69: 0x703aca727aac - <unknown>
70: 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: please make sure that you have updated to the latest nightly
note: please attach the file at `/home/matthias/vcs/github/CRED/rustc-ice-2025-04-30T06_10_59-2535082.txt` to your bug report
query stack during panic:
#0 [mir_shims] generating MIR shim for `core::future::async_drop::async_drop_in_place::{closure#0}`, instance=AsyncDropGlue(DefId(2:15313 ~ core[7a8d]::future::async_drop::async_drop_in_place::{closure#0}), Coroutine(DefId(2:15313 ~ core[7a8d]::future::async_drop::async_drop_in_place::{closure#0}), [a, (), core::future::ResumeTy, (), (), CoroutineWitness(DefId(2:15313 ~ core[7a8d]::future::async_drop::async_drop_in_place::{closure#0}), [a]), (*mut a,)]))
#1 [layout_of] computing layout of `{async fn body of core::future::async_drop::async_drop_in_place<a>()}`
... and 6 other queries... use `env RUST_BACKTRACE=1` to see the full query stack
error: aborting due to 6 previous errors; 3 warnings emitted
Some errors have detailed explanations: E0046, E0407, E0601, E0670.
For more information about an error, try `rustc --explain E0046`.
Backtrace
<backtrace>
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Category: This is a bug.`#![feature(async_drop)]`Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Status: a bisection has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issueRelevant to the compiler team, which will review and decide on the PR/issue.This issue requires the use of incomplete features.