Closed
Description
Found this in when debugging #92626.
Code
struct Test<T>([T; 1]);
impl<T> std::ops::Deref for Test<T> {
type Target = [T; 1];
fn deref(&self) -> &[T; 1] {
&self.0
}
}
fn test() {
let mut out = Test(todo!());
let blah = out.len();
}Meta
rustc --version --verbose:
rustc 1.57.0 (f1edd0429 2021-11-29)
binary: rustc
commit-hash: f1edd0429582dd29cccacaf50fd134b05593bd9c
commit-date: 2021-11-29
host: x86_64-unknown-linux-gnu
release: 1.57.0
LLVM version: 13.0.0
According to godbolt, it's been failing since 1.32.
Error output
thread 'rustc' panicked at 'index out of bounds: the len is 9 but the index is 9', /home/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/snapshot_vec.rs:199:10
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
error: internal compiler error: unexpected panic
note: 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 1.59.0-dev running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [typeck] type-checking `test`
#1 [typeck_item_bodies] type-checking all item bodies
Backtrace
thread 'rustc' panicked at 'index out of bounds: the len is 9 but the index is 9', /home/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/snapshot_vec.rs:199:10
stack backtrace:
0: rust_begin_unwind
at ./library/std/src/panicking.rs:498:5
1: core::panicking::panic_fmt
at ./library/core/src/panicking.rs:107:14
2: core::panicking::panic_bounds_check
at ./library/core/src/panicking.rs:75:5
3: <ena::snapshot_vec::SnapshotVec<ena::unify::backing_vec::Delegate<rustc_infer::infer::type_variable::TyVidEqKey>, &mut alloc::vec::Vec<ena::unify::VarValue<rustc_infer::infer::type_variable::TyVidEqKey>>, &mut rustc_infer::infer::undo_log::InferCtxtUndoLogs>>::get
at /home/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/snapshot_vec.rs:199:10
4: <ena::snapshot_vec::SnapshotVec<ena::unify::backing_vec::Delegate<rustc_infer::infer::type_variable::TyVidEqKey>, &mut alloc::vec::Vec<ena::unify::VarValue<rustc_infer::infer::type_variable::TyVidEqKey>>, &mut rustc_infer::infer::undo_log::InferCtxtUndoLogs> as core::ops::index::Index<usize>>::index
at /home/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/snapshot_vec.rs:319:9
5: <ena::unify::backing_vec::InPlace<rustc_infer::infer::type_variable::TyVidEqKey, &mut alloc::vec::Vec<ena::unify::VarValue<rustc_infer::infer::type_variable::TyVidEqKey>>, &mut rustc_infer::infer::undo_log::InferCtxtUndoLogs> as core::ops::index::Index<usize>>::index
at /home/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/unify/backing_vec.rs:152:10
6: <ena::unify::UnificationTable<ena::unify::backing_vec::InPlace<rustc_infer::infer::type_variable::TyVidEqKey, &mut alloc::vec::Vec<ena::unify::VarValue<rustc_infer::infer::type_variable::TyVidEqKey>>, &mut rustc_infer::infer::undo_log::InferCtxtUndoLogs>>>::value
at /home/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/unify/mod.rs:347:10
7: <ena::unify::UnificationTable<ena::unify::backing_vec::InPlace<rustc_infer::infer::type_variable::TyVidEqKey, &mut alloc::vec::Vec<ena::unify::VarValue<rustc_infer::infer::type_variable::TyVidEqKey>>, &mut rustc_infer::infer::undo_log::InferCtxtUndoLogs>>>::inlined_get_root_key
at /home/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/unify/mod.rs:362:19
8: <ena::unify::UnificationTable<ena::unify::backing_vec::InPlace<rustc_infer::infer::type_variable::TyVidEqKey, &mut alloc::vec::Vec<ena::unify::VarValue<rustc_infer::infer::type_variable::TyVidEqKey>>, &mut rustc_infer::infer::undo_log::InferCtxtUndoLogs>>>::inlined_probe_value::<rustc_type_ir::TyVid>
at /home/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/unify/mod.rs:566:18
9: <rustc_infer::infer::type_variable::TypeVariableTable>::inlined_probe
at ./compiler/rustc_infer/src/infer/type_variable.rs:307:9
10: <rustc_infer::infer::type_variable::TypeVariableTable>::probe
at ./compiler/rustc_infer/src/infer/type_variable.rs:301:9
11: <rustc_infer::infer::type_variable::TypeVariableTable>::replace_if_possible
at ./compiler/rustc_infer/src/infer/type_variable.rs:315:46
12: <rustc_infer::infer::sub::Sub as rustc_middle::ty::relate::TypeRelation>::tys
at ./compiler/rustc_infer/src/infer/sub.rs:85:17
13: <&rustc_middle::ty::TyS as rustc_middle::ty::relate::Relate>::relate::<rustc_infer::infer::sub::Sub>
at ./compiler/rustc_middle/src/ty/relate.rs:366:9
14: <rustc_infer::infer::sub::Sub as rustc_middle::ty::relate::TypeRelation>::relate::<&rustc_middle::ty::TyS>
at ./compiler/rustc_middle/src/ty/relate.rs:45:9
15: rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::sub::Sub>
at ./compiler/rustc_middle/src/ty/relate.rs:498:21
16: <rustc_infer::infer::InferCtxt>::super_combine_tys::<rustc_infer::infer::sub::Sub>
at ./compiler/rustc_infer/src/infer/combine.rs:119:18
17: <rustc_infer::infer::sub::Sub as rustc_middle::ty::relate::TypeRelation>::tys
at ./compiler/rustc_infer/src/infer/sub.rs:125:17
18: <&rustc_middle::ty::TyS as rustc_middle::ty::relate::Relate>::relate::<rustc_infer::infer::sub::Sub>
at ./compiler/rustc_middle/src/ty/relate.rs:366:9
19: <rustc_infer::infer::sub::Sub as rustc_middle::ty::relate::TypeRelation>::relate::<&rustc_middle::ty::TyS>
at ./compiler/rustc_middle/src/ty/relate.rs:45:9
20: <rustc_infer::infer::sub::Sub as rustc_middle::ty::relate::TypeRelation>::relate_with_variance::<&rustc_middle::ty::TyS>
at ./compiler/rustc_infer/src/infer/sub.rs:71:30
21: rustc_middle::ty::relate::relate_type_and_mut::<rustc_infer::infer::sub::Sub>
at ./compiler/rustc_middle/src/ty/relate.rs:133:18
22: rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::sub::Sub>
at ./compiler/rustc_middle/src/ty/relate.rs:469:22
23: <rustc_infer::infer::InferCtxt>::super_combine_tys::<rustc_infer::infer::sub::Sub>
at ./compiler/rustc_infer/src/infer/combine.rs:119:18
24: <rustc_infer::infer::sub::Sub as rustc_middle::ty::relate::TypeRelation>::tys
at ./compiler/rustc_infer/src/infer/sub.rs:125:17
25: <&rustc_middle::ty::TyS as rustc_middle::ty::relate::Relate>::relate::<rustc_infer::infer::sub::Sub>
at ./compiler/rustc_middle/src/ty/relate.rs:366:9
26: <rustc_infer::infer::sub::Sub as rustc_middle::ty::relate::TypeRelation>::relate::<&rustc_middle::ty::TyS>
at ./compiler/rustc_middle/src/ty/relate.rs:45:9
27: <rustc_infer::infer::at::Trace>::sub::<&rustc_middle::ty::TyS>::{closure#0}
at ./compiler/rustc_infer/src/infer/at.rs:198:13
28: <rustc_infer::infer::InferCtxt>::commit_if_ok::<rustc_infer::infer::InferOk<()>, rustc_middle::ty::error::TypeError, <rustc_infer::infer::at::Trace>::sub<&rustc_middle::ty::TyS>::{closure#0}>
at ./compiler/rustc_infer/src/infer/mod.rs:845:17
29: <rustc_infer::infer::at::Trace>::sub::<&rustc_middle::ty::TyS>
at ./compiler/rustc_infer/src/infer/at.rs:196:9
30: <rustc_infer::infer::at::At>::sub_exp::<&rustc_middle::ty::TyS>
at ./compiler/rustc_infer/src/infer/at.rs:86:9
31: <rustc_infer::infer::at::At>::sup::<&rustc_middle::ty::TyS>
at ./compiler/rustc_infer/src/infer/at.rs:97:9
32: <rustc_typeck::check::method::confirm::ConfirmContext>::unify_receivers
at ./compiler/rustc_typeck/src/check/method/confirm.rs:424:15
33: <rustc_typeck::check::method::confirm::ConfirmContext>::confirm
at ./compiler/rustc_typeck/src/check/method/confirm.rs:100:9
34: <rustc_typeck::check::fn_ctxt::FnCtxt>::confirm_method
at ./compiler/rustc_typeck/src/check/method/confirm.rs:57:9
35: <rustc_typeck::check::fn_ctxt::FnCtxt>::lookup_method
at ./compiler/rustc_typeck/src/check/method/mod.rs:222:13
36: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_method_call
at ./compiler/rustc_typeck/src/check/expr.rs:1115:28
37: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
at ./compiler/rustc_typeck/src/check/expr.rs:316:17
38: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
at ./compiler/rustc_typeck/src/check/expr.rs:214:18
39: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
at ./compiler/rustc_typeck/src/check/expr.rs:167:9
40: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_hint
at ./compiler/rustc_typeck/src/check/expr.rs:119:9
41: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_coercable_to_type
at ./compiler/rustc_typeck/src/check/expr.rs:109:18
42: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_decl_initializer
at ./compiler/rustc_typeck/src/check/fn_ctxt/checks.rs:581:13
43: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_decl
at ./compiler/rustc_typeck/src/check/fn_ctxt/checks.rs:592:27
44: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_decl_local
at ./compiler/rustc_typeck/src/check/fn_ctxt/checks.rs:611:9
45: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_stmt
at ./compiler/rustc_typeck/src/check/fn_ctxt/checks.rs:629:17
46: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected::{closure#0}
at ./compiler/rustc_typeck/src/check/fn_ctxt/checks.rs:709:17
47: <rustc_typeck::check::fn_ctxt::FnCtxt>::with_breakable_ctxt::<<rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected::{closure#0}, ()>
at ./compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs:1519:22
48: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected
at ./compiler/rustc_typeck/src/check/fn_ctxt/checks.rs:707:26
49: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
at ./compiler/rustc_typeck/src/check/expr.rs:313:41
50: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
at ./compiler/rustc_typeck/src/check/expr.rs:214:18
51: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
at ./compiler/rustc_typeck/src/check/expr.rs:167:9
52: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_hint
at ./compiler/rustc_typeck/src/check/expr.rs:119:9
53: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_return_expr
at ./compiler/rustc_typeck/src/check/expr.rs:815:30
54: rustc_typeck::check::check::check_fn
at ./compiler/rustc_typeck/src/check/check.rs:215:9
55: rustc_typeck::check::typeck_with_fallback::<rustc_typeck::check::typeck::{closure#0}>::{closure#1}
at ./compiler/rustc_typeck/src/check/mod.rs:402:23
56: <rustc_typeck::check::inherited::InheritedBuilder>::enter::<rustc_typeck::check::typeck_with_fallback<rustc_typeck::check::typeck::{closure#0}>::{closure#1}, &rustc_middle::ty::context::TypeckResults>::{closure#0}
at ./compiler/rustc_typeck/src/check/inherited.rs:96:34
57: <rustc_infer::infer::InferCtxtBuilder>::enter::<&rustc_middle::ty::context::TypeckResults, <rustc_typeck::check::inherited::InheritedBuilder>::enter<rustc_typeck::check::typeck_with_fallback<rustc_typeck::check::typeck::{closure#0}>::{closure#1}, &rustc_middle::ty::context::TypeckResults>::{closure#0}>
at ./compiler/rustc_infer/src/infer/mod.rs:613:9
58: <rustc_typeck::check::inherited::InheritedBuilder>::enter::<rustc_typeck::check::typeck_with_fallback<rustc_typeck::check::typeck::{closure#0}>::{closure#1}, &rustc_middle::ty::context::TypeckResults>
at ./compiler/rustc_typeck/src/check/inherited.rs:96:9
59: rustc_typeck::check::typeck_with_fallback::<rustc_typeck::check::typeck::{closure#0}>
at ./compiler/rustc_typeck/src/check/mod.rs:365:26
60: rustc_typeck::check::typeck
at ./compiler/rustc_typeck/src/check/mod.rs:330:9
61: <rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query::<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}::{closure#0}
at ./compiler/rustc_query_impl/src/plumbing.rs:103:17
62: rustc_middle::ty::context::tls::enter_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}::{closure#0}, &rustc_middle::ty::context::TypeckResults>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1759:50
63: rustc_middle::ty::context::tls::set_tlv::<rustc_middle::ty::context::tls::enter_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}::{closure#0}, &rustc_middle::ty::context::TypeckResults>::{closure#0}, &rustc_middle::ty::context::TypeckResults>
at ./compiler/rustc_middle/src/ty/context.rs:1743:9
64: rustc_middle::ty::context::tls::enter_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}::{closure#0}, &rustc_middle::ty::context::TypeckResults>
at ./compiler/rustc_middle/src/ty/context.rs:1759:9
65: <rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query::<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}
at ./compiler/rustc_query_impl/src/plumbing.rs:102:13
66: rustc_middle::ty::context::tls::with_related_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}, &rustc_middle::ty::context::TypeckResults>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1803:13
67: rustc_middle::ty::context::tls::with_context::<rustc_middle::ty::context::tls::with_related_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}, &rustc_middle::ty::context::TypeckResults>::{closure#0}, &rustc_middle::ty::context::TypeckResults>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1787:40
68: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_context<rustc_middle::ty::context::tls::with_related_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}, &rustc_middle::ty::context::TypeckResults>::{closure#0}, &rustc_middle::ty::context::TypeckResults>::{closure#0}, &rustc_middle::ty::context::TypeckResults>
at ./compiler/rustc_middle/src/ty/context.rs:1776:22
69: rustc_middle::ty::context::tls::with_context::<rustc_middle::ty::context::tls::with_related_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}, &rustc_middle::ty::context::TypeckResults>::{closure#0}, &rustc_middle::ty::context::TypeckResults>
at ./compiler/rustc_middle/src/ty/context.rs:1787:9
70: rustc_middle::ty::context::tls::with_related_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>::{closure#0}, &rustc_middle::ty::context::TypeckResults>
at ./compiler/rustc_middle/src/ty/context.rs:1800:9
71: <rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query::<&rustc_middle::ty::context::TypeckResults, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#0}>
at ./compiler/rustc_query_impl/src/plumbing.rs:91:9
72: rustc_query_system::query::plumbing::execute_job::<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>
at ./compiler/rustc_query_system/src/query/plumbing.rs:443:22
73: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>>
at ./compiler/rustc_query_system/src/query/plumbing.rs:401:44
74: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck, rustc_query_impl::plumbing::QueryCtxt>
at ./compiler/rustc_query_system/src/query/plumbing.rs:760:36
75: <rustc_middle::ty::query::TyCtxtEnsure>::typeck
at ./compiler/rustc_middle/src/ty/query.rs:224:17
76: rustc_typeck::check::typeck_item_bodies::{closure#0}
at ./compiler/rustc_typeck/src/check/mod.rs:919:51
77: <rustc_middle::hir::map::Map>::par_body_owners::<rustc_typeck::check::typeck_item_bodies::{closure#0}>::{closure#0}::{closure#0}
at ./compiler/rustc_middle/src/hir/map/mod.rs:527:21
78: <core::slice::iter::Iter<(rustc_hir::hir_id::ItemLocalId, &rustc_hir::hir::Body)> as core::iter::traits::iterator::Iterator>::for_each::<<rustc_middle::hir::map::Map>::par_body_owners<rustc_typeck::check::typeck_item_bodies::{closure#0}>::{closure#0}::{closure#0}>
at ./library/core/src/slice/iter/macros.rs:211:21
79: <rustc_middle::hir::map::Map>::par_body_owners::<rustc_typeck::check::typeck_item_bodies::{closure#0}>::{closure#0}
at ./compiler/rustc_middle/src/hir/map/mod.rs:524:17
80: core::iter::traits::iterator::Iterator::for_each::call::<(usize, &core::option::Option<rustc_hir::hir::OwnerInfo>), <rustc_middle::hir::map::Map>::par_body_owners<rustc_typeck::check::typeck_item_bodies::{closure#0}>::{closure#0}>::{closure#0}
at ./library/core/src/iter/traits/iterator.rs:733:29
81: <core::iter::adapters::enumerate::Enumerate<_> as core::iter::traits::iterator::Iterator>::fold::enumerate::<&core::option::Option<rustc_hir::hir::OwnerInfo>, (), core::iter::traits::iterator::Iterator::for_each::call<(usize, &core::option::Option<rustc_hir::hir::OwnerInfo>), <rustc_middle::hir::map::Map>::par_body_owners<rustc_typeck::check::typeck_item_bodies::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}
at ./library/core/src/iter/adapters/enumerate.rs:106:27
82: <core::slice::iter::Iter<core::option::Option<rustc_hir::hir::OwnerInfo>> as core::iter::traits::iterator::Iterator>::fold::<(), <core::iter::adapters::enumerate::Enumerate<_> as core::iter::traits::iterator::Iterator>::fold::enumerate<&core::option::Option<rustc_hir::hir::OwnerInfo>, (), core::iter::traits::iterator::Iterator::for_each::call<(usize, &core::option::Option<rustc_hir::hir::OwnerInfo>), <rustc_middle::hir::map::Map>::par_body_owners<rustc_typeck::check::typeck_item_bodies::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>
at ./library/core/src/iter/traits/iterator.rs:2171:21
83: <core::iter::adapters::enumerate::Enumerate<core::slice::iter::Iter<core::option::Option<rustc_hir::hir::OwnerInfo>>> as core::iter::traits::iterator::Iterator>::fold::<(), core::iter::traits::iterator::Iterator::for_each::call<(usize, &core::option::Option<rustc_hir::hir::OwnerInfo>), <rustc_middle::hir::map::Map>::par_body_owners<rustc_typeck::check::typeck_item_bodies::{closure#0}>::{closure#0}>::{closure#0}>
at ./library/core/src/iter/adapters/enumerate.rs:112:9
84: <core::iter::adapters::enumerate::Enumerate<core::slice::iter::Iter<core::option::Option<rustc_hir::hir::OwnerInfo>>> as core::iter::traits::iterator::Iterator>::for_each::<<rustc_middle::hir::map::Map>::par_body_owners<rustc_typeck::check::typeck_item_bodies::{closure#0}>::{closure#0}>
at ./library/core/src/iter/traits/iterator.rs:736:9
85: <rustc_middle::hir::map::Map>::par_body_owners::<rustc_typeck::check::typeck_item_bodies::{closure#0}>
at ./compiler/rustc_middle/src/hir/map/mod.rs:521:9
86: rustc_typeck::check::typeck_item_bodies
at ./compiler/rustc_typeck/src/check/mod.rs:919:5
87: <rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query::<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}::{closure#0}
at ./compiler/rustc_query_impl/src/plumbing.rs:103:17
88: rustc_middle::ty::context::tls::enter_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}::{closure#0}, ()>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1759:50
89: rustc_middle::ty::context::tls::set_tlv::<rustc_middle::ty::context::tls::enter_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}::{closure#0}, ()>::{closure#0}, ()>
at ./compiler/rustc_middle/src/ty/context.rs:1743:9
90: rustc_middle::ty::context::tls::enter_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}::{closure#0}, ()>
at ./compiler/rustc_middle/src/ty/context.rs:1759:9
91: <rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query::<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}
at ./compiler/rustc_query_impl/src/plumbing.rs:102:13
92: rustc_middle::ty::context::tls::with_related_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}, ()>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1803:13
93: rustc_middle::ty::context::tls::with_context::<rustc_middle::ty::context::tls::with_related_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}, ()>::{closure#0}, ()>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1787:40
94: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_context<rustc_middle::ty::context::tls::with_related_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}, ()>::{closure#0}, ()>::{closure#0}, ()>
at ./compiler/rustc_middle/src/ty/context.rs:1776:22
95: rustc_middle::ty::context::tls::with_context::<rustc_middle::ty::context::tls::with_related_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}, ()>::{closure#0}, ()>
at ./compiler/rustc_middle/src/ty/context.rs:1787:9
96: rustc_middle::ty::context::tls::with_related_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>::{closure#0}, ()>
at ./compiler/rustc_middle/src/ty/context.rs:1800:9
97: <rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query::<(), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#0}>
at ./compiler/rustc_query_impl/src/plumbing.rs:91:9
98: rustc_query_system::query::plumbing::execute_job::<rustc_query_impl::plumbing::QueryCtxt, (), ()>
at ./compiler/rustc_query_system/src/query/plumbing.rs:443:22
99: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), ()>>
at ./compiler/rustc_query_system/src/query/plumbing.rs:401:44
100: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
at ./compiler/rustc_query_system/src/query/plumbing.rs:760:36
101: <rustc_middle::ty::query::TyCtxtAt>::typeck_item_bodies
at ./compiler/rustc_middle/src/ty/query.rs:253:17
102: <rustc_middle::ty::context::TyCtxt>::typeck_item_bodies
at ./compiler/rustc_middle/src/ty/query.rs:234:17
103: rustc_typeck::check_crate::{closure#7}
at ./compiler/rustc_typeck/src/lib.rs:532:46
104: <rustc_data_structures::profiling::VerboseTimingGuard>::run::<(), rustc_typeck::check_crate::{closure#7}>
at ./compiler/rustc_data_structures/src/profiling.rs:644:9
105: <rustc_session::session::Session>::time::<(), rustc_typeck::check_crate::{closure#7}>
at ./compiler/rustc_session/src/utils.rs:16:9
106: rustc_typeck::check_crate
at ./compiler/rustc_typeck/src/lib.rs:532:5
107: rustc_interface::passes::analysis
at ./compiler/rustc_interface/src/passes.rs:926:5
108: <rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}::{closure#0}
at ./compiler/rustc_query_impl/src/plumbing.rs:103:17
109: rustc_middle::ty::context::tls::enter_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1759:50
110: rustc_middle::ty::context::tls::set_tlv::<rustc_middle::ty::context::tls::enter_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>
at ./compiler/rustc_middle/src/ty/context.rs:1743:9
111: rustc_middle::ty::context::tls::enter_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>
at ./compiler/rustc_middle/src/ty/context.rs:1759:9
112: <rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}
at ./compiler/rustc_query_impl/src/plumbing.rs:102:13
113: rustc_middle::ty::context::tls::with_related_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1803:13
114: rustc_middle::ty::context::tls::with_context::<rustc_middle::ty::context::tls::with_related_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1787:40
115: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_context<rustc_middle::ty::context::tls::with_related_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>
at ./compiler/rustc_middle/src/ty/context.rs:1776:22
116: rustc_middle::ty::context::tls::with_context::<rustc_middle::ty::context::tls::with_related_context<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>
at ./compiler/rustc_middle/src/ty/context.rs:1787:9
117: rustc_middle::ty::context::tls::with_related_context::<<rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>
at ./compiler/rustc_middle/src/ty/context.rs:1800:9
118: <rustc_query_impl::plumbing::QueryCtxt as rustc_query_system::query::QueryContext>::start_query::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}>
at ./compiler/rustc_query_impl/src/plumbing.rs:91:9
119: rustc_query_system::query::plumbing::execute_job::<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>
at ./compiler/rustc_query_system/src/query/plumbing.rs:443:22
120: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), core::result::Result<(), rustc_errors::ErrorReported>>>
at ./compiler/rustc_query_system/src/query/plumbing.rs:401:44
121: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
at ./compiler/rustc_query_system/src/query/plumbing.rs:760:36
122: <rustc_middle::ty::query::TyCtxtAt>::analysis
at ./compiler/rustc_middle/src/ty/query.rs:253:17
123: <rustc_middle::ty::context::TyCtxt>::analysis
at ./compiler/rustc_middle/src/ty/query.rs:234:17
124: rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}
at ./compiler/rustc_driver/src/lib.rs:387:30
125: <rustc_interface::passes::QueryContext>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}
at ./compiler/rustc_interface/src/passes.rs:821:42
126: rustc_middle::ty::context::tls::enter_context::<<rustc_interface::passes::QueryContext>::enter<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}
at ./compiler/rustc_middle/src/ty/context.rs:1759:50
127: rustc_middle::ty::context::tls::set_tlv::<rustc_middle::ty::context::tls::enter_context<<rustc_interface::passes::QueryContext>::enter<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>
at ./compiler/rustc_middle/src/ty/context.rs:1743:9
128: rustc_middle::ty::context::tls::enter_context::<<rustc_interface::passes::QueryContext>::enter<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>
at ./compiler/rustc_middle/src/ty/context.rs:1759:9
129: <rustc_interface::passes::QueryContext>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorReported>>
at ./compiler/rustc_interface/src/passes.rs:821:9
130: rustc_driver::run_compiler::{closure#1}::{closure#2}
at ./compiler/rustc_driver/src/lib.rs:386:13
131: <rustc_interface::interface::Compiler>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_errors::ErrorReported>>
at ./compiler/rustc_interface/src/queries.rs:393:19
132: rustc_driver::run_compiler::{closure#1}
at ./compiler/rustc_driver/src/lib.rs:315:22
133: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>::{closure#1}
at ./compiler/rustc_interface/src/interface.rs:220:13
134: rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_interface::interface::create_compiler_and_run<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>::{closure#1}>
at ./compiler/rustc_span/src/lib.rs:1010:5
135: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>
at ./compiler/rustc_interface/src/interface.rs:214:5
136: rustc_interface::interface::run_compiler::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>::{closure#0}
at ./compiler/rustc_interface/src/interface.rs:236:12
137: rustc_interface::util::setup_callbacks_and_run_in_thread_pool_with_globals::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}::{closure#0}
at ./compiler/rustc_interface/src/util.rs:148:13
138: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>
at /home/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-1.0.0/src/lib.rs:137:9
139: rustc_span::create_session_globals_then::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_interface::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}::{closure#0}>
at ./compiler/rustc_span/src/lib.rs:108:5
140: rustc_interface::util::setup_callbacks_and_run_in_thread_pool_with_globals::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#0}
at ./compiler/rustc_interface/src/util.rs:146:9
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
error: internal compiler error: unexpected panic
note: 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 1.59.0-dev running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [typeck] type-checking `test`
#1 [typeck_item_bodies] type-checking all item bodies
#2 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to previous error
For more information about this error, try `rustc --explain E0601`.