Closed
Description
snippet:
fn foo() {
#[derive(Copy, Clone)]
struct Foo([u8; S]);
type U = impl Copy;
let foo: U = Foo(());
let Foo(()) = foo;
}
Version information
rustc 1.77.0-nightly (5876c8cdf 2024-01-09)
binary: rustc
commit-hash: 5876c8cdfd3df742c334d6447d44d760c77103b6
commit-date: 2024-01-09
host: x86_64-unknown-linux-gnu
release: 1.77.0-nightly
LLVM version: 17.0.6
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
error[E0425]: cannot find value `S` in this scope
--> /tmp/icemaker_global_tempdir.MnLEJ0j8mGwA/rustc_testrunner_tmpdir_reporting.04LCQlMXQ1lR/mvce.rs:3:21
|
3 | struct Foo([u8; S]);
| ^ not found in this scope
|
help: you might be missing a const parameter
|
3 | struct Foo<const S: /* Type */>([u8; S]);
| +++++++++++++++++++++
error[E0425]: cannot find value `S` in this scope
--> /tmp/icemaker_global_tempdir.MnLEJ0j8mGwA/rustc_testrunner_tmpdir_reporting.04LCQlMXQ1lR/mvce.rs:3:21
|
3 | struct Foo([u8; S]);
| ^ not found in this scope
|
help: you might be missing a const parameter
|
3 | struct Foo<const S: /* Type */>([u8; S]);
| +++++++++++++++++++++
error[E0658]: `impl Trait` in type aliases is unstable
--> /tmp/icemaker_global_tempdir.MnLEJ0j8mGwA/rustc_testrunner_tmpdir_reporting.04LCQlMXQ1lR/mvce.rs:5:14
|
5 | type U = impl Copy;
| ^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0601]: `main` function not found in crate `mvce`
--> /tmp/icemaker_global_tempdir.MnLEJ0j8mGwA/rustc_testrunner_tmpdir_reporting.04LCQlMXQ1lR/mvce.rs:8:2
|
8 | }
| ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.MnLEJ0j8mGwA/rustc_testrunner_tmpdir_reporting.04LCQlMXQ1lR/mvce.rs`
thread 'rustc' panicked at compiler/rustc_pattern_analysis/src/constructor.rs:974:68:
called `Option::unwrap()` on a `None` value
stack backtrace:
0: 0x7ff3ed18c7e6 - std::backtrace_rs::backtrace::libunwind::trace::h22432f2d2b5bf0bd
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
1: 0x7ff3ed18c7e6 - std::backtrace_rs::backtrace::trace_unsynchronized::h3210bc4d2757c620
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7ff3ed18c7e6 - std::sys_common::backtrace::_print_fmt::h54d5d886e937a688
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/sys_common/backtrace.rs:68:5
3: 0x7ff3ed18c7e6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8cfe8ec93c34eb9d
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7ff3ed1deed0 - core::fmt::rt::Argument::fmt::hae6cc6040f3e0c90
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/core/src/fmt/rt.rs:142:9
5: 0x7ff3ed1deed0 - core::fmt::write::hc7b6cded6f5e27fc
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/core/src/fmt/mod.rs:1120:17
6: 0x7ff3ed18014f - std::io::Write::write_fmt::h02c96d5a9e0cebb8
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/io/mod.rs:1810:15
7: 0x7ff3ed18c5c4 - std::sys_common::backtrace::_print::ha3f3c1a5b4439db4
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7ff3ed18c5c4 - std::sys_common::backtrace::print::h507d4d1bb56ce44b
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7ff3ed18f357 - std::panicking::default_hook::{{closure}}::h65a3151b1876a3af
10: 0x7ff3ed18f0b9 - std::panicking::default_hook::h9ef59f7abe1ea54e
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/panicking.rs:292:9
11: 0x7ff3eff42e3c - std[14048a6e3d26e6bf]::panicking::update_hook::<alloc[8ca07d96859391f5]::boxed::Box<rustc_driver_impl[225aaeb59ef26519]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x7ff3ed18faa6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc12cf58693cd0c5a
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/alloc/src/boxed.rs:2030:9
13: 0x7ff3ed18faa6 - std::panicking::rust_panic_with_hook::hfd4d7315ed862dbf
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/panicking.rs:785:13
14: 0x7ff3ed18f7b9 - std::panicking::begin_panic_handler::{{closure}}::h0e15306544c1283c
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/panicking.rs:651:13
15: 0x7ff3ed18cce6 - std::sys_common::backtrace::__rust_end_short_backtrace::hc249c15ff6f12815
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/sys_common/backtrace.rs:171:18
16: 0x7ff3ed18f550 - rust_begin_unwind
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/panicking.rs:647:5
17: 0x7ff3ed1db5d5 - core::panicking::panic_fmt::hcb95115169fb405b
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/core/src/panicking.rs:72:14
18: 0x7ff3ed1db693 - core::panicking::panic::h409786173c924b3a
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/core/src/panicking.rs:144:5
19: 0x7ff3f1e8da06 - rustc_pattern_analysis[2409fe652759a152]::usefulness::compute_exhaustiveness_and_usefulness::<rustc_pattern_analysis[2409fe652759a152]::rustc::RustcMatchCheckCtxt>::{closure#0}
20: 0x7ff3f1e87d92 - rustc_pattern_analysis[2409fe652759a152]::usefulness::compute_exhaustiveness_and_usefulness::<rustc_pattern_analysis[2409fe652759a152]::rustc::RustcMatchCheckCtxt>::{closure#0}
21: 0x7ff3f1538ce8 - rustc_pattern_analysis[2409fe652759a152]::analyze_match
22: 0x7ff3ee1ef529 - <rustc_mir_build[210b150a372fc993]::thir::pattern::check_match::MatchVisitor>::check_binding_is_irrefutable
23: 0x7ff3ee1e6dcd - <rustc_mir_build[210b150a372fc993]::thir::pattern::check_match::MatchVisitor as rustc_middle[4f1cc949cb916381]::thir::visit::Visitor>::visit_expr
24: 0x7ff3ee1e5d8d - <rustc_mir_build[210b150a372fc993]::thir::pattern::check_match::MatchVisitor as rustc_middle[4f1cc949cb916381]::thir::visit::Visitor>::visit_expr
25: 0x7ff3f1658641 - rustc_mir_build[210b150a372fc993]::thir::pattern::check_match::check_match
26: 0x7ff3f165824f - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::check_match::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>
27: 0x7ff3f1657807 - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::VecCache<rustc_span[a636862c99cc45ed]::def_id::LocalDefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
28: 0x7ff3f165749d - rustc_query_impl[ce36f755acb2e2d6]::query_impl::check_match::get_query_non_incr::__rust_end_short_backtrace
29: 0x7ff3f16f260f - rustc_mir_build[210b150a372fc993]::build::mir_built
30: 0x7ff3f16f2473 - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>
31: 0x7ff3f16f0b79 - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::VecCache<rustc_span[a636862c99cc45ed]::def_id::LocalDefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
32: 0x7ff3f16f0750 - rustc_query_impl[ce36f755acb2e2d6]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace
33: 0x7ff3f12db4b0 - rustc_mir_transform[c422ef779d6b8140]::ffi_unwind_calls::has_ffi_unwind_calls
34: 0x7ff3f12db01d - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::has_ffi_unwind_calls::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>
35: 0x7ff3f165773d - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::VecCache<rustc_span[a636862c99cc45ed]::def_id::LocalDefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
36: 0x7ff3f1657403 - rustc_query_impl[ce36f755acb2e2d6]::query_impl::has_ffi_unwind_calls::get_query_non_incr::__rust_end_short_backtrace
37: 0x7ff3f15eb98f - rustc_mir_transform[c422ef779d6b8140]::mir_const
38: 0x7ff3f15eb8c9 - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::mir_const::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>
39: 0x7ff3f16f0b79 - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::VecCache<rustc_span[a636862c99cc45ed]::def_id::LocalDefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
40: 0x7ff3f16f0690 - rustc_query_impl[ce36f755acb2e2d6]::query_impl::mir_const::get_query_non_incr::__rust_end_short_backtrace
41: 0x7ff3ef469592 - rustc_mir_transform[c422ef779d6b8140]::mir_promoted
42: 0x7ff3f18fdd20 - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 16usize]>>
43: 0x7ff3f18fdfea - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::VecCache<rustc_span[a636862c99cc45ed]::def_id::LocalDefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
44: 0x7ff3f20cb913 - rustc_query_impl[ce36f755acb2e2d6]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
45: 0x7ff3f20cba30 - rustc_borrowck[3ad2da42b5ca0d17]::mir_borrowck
46: 0x7ff3f20cb959 - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>
47: 0x7ff3f16f0b79 - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::VecCache<rustc_span[a636862c99cc45ed]::def_id::LocalDefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
48: 0x7ff3f16f05d4 - rustc_query_impl[ce36f755acb2e2d6]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
49: 0x7ff3f26e9ad9 - rustc_middle[4f1cc949cb916381]::query::plumbing::query_get_at::<rustc_query_system[7a8caa5e8205af2]::query::caches::VecCache<rustc_span[a636862c99cc45ed]::def_id::LocalDefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>>.llvm.583859384311332609.cold.0
50: 0x7ff3f008522d - <rustc_hir_analysis[b2cf9ffbb8cc69bc]::collect::type_of::opaque::TaitConstraintLocator>::check
51: 0x7ff3f0073190 - <rustc_hir_analysis[b2cf9ffbb8cc69bc]::collect::type_of::opaque::TaitConstraintLocator as rustc_hir[707c8cb46efdf026]::intravisit::Visitor>::visit_item
52: 0x7ff3f21e43fc - rustc_hir_analysis[b2cf9ffbb8cc69bc]::collect::type_of::type_of_opaque
53: 0x7ff3f21e395b - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>
54: 0x7ff3f1257114 - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::DefaultCache<rustc_span[a636862c99cc45ed]::def_id::DefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
55: 0x7ff3f2238822 - rustc_query_impl[ce36f755acb2e2d6]::query_impl::type_of_opaque::get_query_non_incr::__rust_end_short_backtrace
56: 0x7ff3f12e6bf8 - rustc_middle[4f1cc949cb916381]::query::plumbing::query_get_at::<rustc_query_system[7a8caa5e8205af2]::query::caches::DefaultCache<rustc_span[a636862c99cc45ed]::def_id::DefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>>
57: 0x7ff3ef609c81 - rustc_hir_analysis[b2cf9ffbb8cc69bc]::collect::type_of::type_of
58: 0x7ff3f125827e - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>
59: 0x7ff3f1257114 - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::DefaultCache<rustc_span[a636862c99cc45ed]::def_id::DefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
60: 0x7ff3f1256cdd - rustc_query_impl[ce36f755acb2e2d6]::query_impl::type_of::get_query_non_incr::__rust_end_short_backtrace
61: 0x7ff3f12e6bf8 - rustc_middle[4f1cc949cb916381]::query::plumbing::query_get_at::<rustc_query_system[7a8caa5e8205af2]::query::caches::DefaultCache<rustc_span[a636862c99cc45ed]::def_id::DefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 8usize]>>>
62: 0x7ff3f1ce04af - rustc_hir_analysis[b2cf9ffbb8cc69bc]::check::check::check_item_type
63: 0x7ff3f18eed1e - rustc_hir_analysis[b2cf9ffbb8cc69bc]::check::wfcheck::check_well_formed
64: 0x7ff3f18edcb3 - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>
65: 0x7ff3f18ed3b1 - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::VecCache<rustc_hir[707c8cb46efdf026]::hir_id::OwnerId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
66: 0x7ff3f18ed11b - rustc_query_impl[ce36f755acb2e2d6]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace
67: 0x7ff3f18eaab7 - rustc_hir_analysis[b2cf9ffbb8cc69bc]::check::wfcheck::check_mod_type_wf
68: 0x7ff3f18ea9fb - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>
69: 0x7ff3f18e9bbb - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::DefaultCache<rustc_span[a636862c99cc45ed]::def_id::LocalModDefId, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
70: 0x7ff3f18e9949 - rustc_query_impl[ce36f755acb2e2d6]::query_impl::check_mod_type_wf::get_query_non_incr::__rust_end_short_backtrace
71: 0x7ff3f18e985a - <rustc_middle[4f1cc949cb916381]::hir::map::Map>::try_par_for_each_module::<rustc_hir_analysis[b2cf9ffbb8cc69bc]::check_crate::{closure#4}::{closure#0}>::{closure#0}
72: 0x7ff3f16ee81c - rustc_hir_analysis[b2cf9ffbb8cc69bc]::check_crate
73: 0x7ff3f1e2fad9 - rustc_interface[9afdb325f305e9c4]::passes::analysis
74: 0x7ff3f1e2f71f - rustc_query_impl[ce36f755acb2e2d6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ce36f755acb2e2d6]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>
75: 0x7ff3f21b85e4 - rustc_query_system[7a8caa5e8205af2]::query::plumbing::try_execute_query::<rustc_query_impl[ce36f755acb2e2d6]::DynamicConfig<rustc_query_system[7a8caa5e8205af2]::query::caches::SingleCache<rustc_middle[4f1cc949cb916381]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ce36f755acb2e2d6]::plumbing::QueryCtxt, false>
76: 0x7ff3f21b83d5 - rustc_query_impl[ce36f755acb2e2d6]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
77: 0x7ff3f1f53f08 - rustc_interface[9afdb325f305e9c4]::interface::run_compiler::<core[9cf31fa6f05897b6]::result::Result<(), rustc_span[a636862c99cc45ed]::ErrorGuaranteed>, rustc_driver_impl[225aaeb59ef26519]::run_compiler::{closure#0}>::{closure#0}
78: 0x7ff3f21d8c46 - std[14048a6e3d26e6bf]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[9afdb325f305e9c4]::util::run_in_thread_with_globals<rustc_interface[9afdb325f305e9c4]::util::run_in_thread_pool_with_globals<rustc_interface[9afdb325f305e9c4]::interface::run_compiler<core[9cf31fa6f05897b6]::result::Result<(), rustc_span[a636862c99cc45ed]::ErrorGuaranteed>, rustc_driver_impl[225aaeb59ef26519]::run_compiler::{closure#0}>::{closure#0}, core[9cf31fa6f05897b6]::result::Result<(), rustc_span[a636862c99cc45ed]::ErrorGuaranteed>>::{closure#0}, core[9cf31fa6f05897b6]::result::Result<(), rustc_span[a636862c99cc45ed]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[9cf31fa6f05897b6]::result::Result<(), rustc_span[a636862c99cc45ed]::ErrorGuaranteed>>
79: 0x7ff3f21d8a73 - <<std[14048a6e3d26e6bf]::thread::Builder>::spawn_unchecked_<rustc_interface[9afdb325f305e9c4]::util::run_in_thread_with_globals<rustc_interface[9afdb325f305e9c4]::util::run_in_thread_pool_with_globals<rustc_interface[9afdb325f305e9c4]::interface::run_compiler<core[9cf31fa6f05897b6]::result::Result<(), rustc_span[a636862c99cc45ed]::ErrorGuaranteed>, rustc_driver_impl[225aaeb59ef26519]::run_compiler::{closure#0}>::{closure#0}, core[9cf31fa6f05897b6]::result::Result<(), rustc_span[a636862c99cc45ed]::ErrorGuaranteed>>::{closure#0}, core[9cf31fa6f05897b6]::result::Result<(), rustc_span[a636862c99cc45ed]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[9cf31fa6f05897b6]::result::Result<(), rustc_span[a636862c99cc45ed]::ErrorGuaranteed>>::{closure#1} as core[9cf31fa6f05897b6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
80: 0x7ff3ed1999d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfee459d51dc03ddb
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/alloc/src/boxed.rs:2016:9
81: 0x7ff3ed1999d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h19b99675aff429ed
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/alloc/src/boxed.rs:2016:9
82: 0x7ff3ed1999d5 - std::sys::unix::thread::Thread::new::thread_start::hbd77c0532d512c72
at /rustc/5876c8cdfd3df742c334d6447d44d760c77103b6/library/std/src/sys/unix/thread.rs:108:17
83: 0x7ff3ecf859eb - <unknown>
84: 0x7ff3ed0097cc - <unknown>
85: 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 (5876c8cdf 2024-01-09) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [check_match] match-checking `foo`
#1 [mir_built] building MIR for `foo`
#2 [has_ffi_unwind_calls] checking if `foo` contains FFI-unwind calls
#3 [mir_const] preparing `foo` for borrow checking
#4 [mir_promoted] promoting constants in MIR for `foo`
#5 [mir_borrowck] borrow-checking `foo`
#6 [type_of_opaque] computing type of opaque `foo::U::{opaque#0}`
#7 [type_of] computing type of `foo::U::{opaque#0}`
#8 [check_well_formed] checking that `foo::U::{opaque#0}` is well-formed
#9 [check_mod_type_wf] checking that types are well-formed in top-level module
#10 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0425, E0601, E0658.
For more information about an error, try `rustc --explain E0425`.