Closed
Description
Code
#![feature(unsize)]
use std::marker::Unsize;
fn unsizing<T: Unsize<T>>(value: T) -> Box<T> {
Box::new(value) as Box<T>
}
fn main() {
unsizing::<()>(());
}Meta
rustc --version --verbose:
rustc 1.58.0-nightly (82af160c2 2021-11-10)
binary: rustc
commit-hash: 82af160c2cb9c349a0373cba98d8ad7f911f0d34
commit-date: 2021-11-10
host: x86_64-apple-darwin
release: 1.58.0-nightly
LLVM version: 13.0.0
Error output
Compiling unsizer v0.1.0 (/Users/username/unsizer)
thread 'rustc' panicked at 'index out of bounds: the len is 1 but the index is 1', /rustc/82af160c2cb9c349a0373cba98d8ad7f911f0d34/compiler/rustc_middle/src/ty/subst.rs:311:43
stack backtrace:
0: _rust_begin_unwind
1: core::panicking::panic_fmt
2: core::panicking::panic_bounds_check
3: <rustc_trait_selection::traits::select::SelectionContext>::assemble_candidates_for_unsizing
4: <rustc_trait_selection::traits::select::SelectionContext>::assemble_candidates
5: <rustc_trait_selection::traits::select::SelectionContext>::candidate_from_obligation_no_cache
6: <rustc_middle::dep_graph::dep_node::DepKind as rustc_query_system::dep_graph::DepKind>::with_deps::<<rustc_trait_selection::traits::select::SelectionContext>::in_task<<rustc_trait_selection::traits::select::SelectionContext>::candidate_from_obligation::{closure#0}, core::result::Result<core::option::Option<rustc_middle::traits::select::SelectionCandidate>, rustc_middle::traits::SelectionError>>::{closure#0}, core::result::Result<core::option::Option<rustc_middle::traits::select::SelectionCandidate>, rustc_middle::traits::SelectionError>>
7: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_anon_task::<rustc_middle::ty::context::TyCtxt, <rustc_trait_selection::traits::select::SelectionContext>::in_task<<rustc_trait_selection::traits::select::SelectionContext>::candidate_from_obligation::{closure#0}, core::result::Result<core::option::Option<rustc_middle::traits::select::SelectionCandidate>, rustc_middle::traits::SelectionError>>::{closure#0}, core::result::Result<core::option::Option<rustc_middle::traits::select::SelectionCandidate>, rustc_middle::traits::SelectionError>>
8: <rustc_trait_selection::traits::select::SelectionContext>::candidate_from_obligation
9: <rustc_trait_selection::traits::select::SelectionContext>::evaluate_stack
10: <rustc_middle::dep_graph::dep_node::DepKind as rustc_query_system::dep_graph::DepKind>::with_deps::<<rustc_trait_selection::traits::select::SelectionContext>::in_task<<rustc_trait_selection::traits::select::SelectionContext>::evaluate_trait_predicate_recursively::{closure#1}, core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>>::{closure#0}, core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>>
11: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_anon_task::<rustc_middle::ty::context::TyCtxt, <rustc_trait_selection::traits::select::SelectionContext>::in_task<<rustc_trait_selection::traits::select::SelectionContext>::evaluate_trait_predicate_recursively::{closure#1}, core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>>::{closure#0}, core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>>
12: <rustc_trait_selection::traits::select::SelectionContext>::evaluate_trait_predicate_recursively
13: rustc_data_structures::stack::ensure_sufficient_stack::<core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>, <rustc_trait_selection::traits::select::SelectionContext>::evaluate_predicate_recursively::{closure#0}>
14: <rustc_trait_selection::traits::select::SelectionContext>::evaluate_predicate_recursively
15: <rustc_infer::infer::InferCtxt>::probe::<core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>, <rustc_trait_selection::traits::select::SelectionContext>::evaluation_probe<<rustc_trait_selection::traits::select::SelectionContext>::evaluate_root_obligation::{closure#0}>::{closure#0}>
16: <rustc_trait_selection::traits::select::SelectionContext>::evaluate_root_obligation
17: <rustc_infer::infer::InferCtxtBuilder>::enter_with_canonical::<rustc_middle::ty::ParamEnvAnd<rustc_middle::ty::Predicate>, core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>, rustc_traits::evaluate_obligation::evaluate_obligation::{closure#0}>
18: rustc_traits::evaluate_obligation::evaluate_obligation
19: <rustc_middle::dep_graph::dep_node::DepKind as rustc_query_system::dep_graph::DepKind>::with_deps::<<rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle::ty::context::TyCtxt, rustc_middle::infer::canonical::Canonical<rustc_middle::ty::ParamEnvAnd<rustc_middle::ty::Predicate>>, core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>>::{closure#0}, core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>>
20: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, rustc_middle::infer::canonical::Canonical<rustc_middle::ty::ParamEnvAnd<rustc_middle::ty::Predicate>>, core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>>
21: rustc_data_structures::stack::ensure_sufficient_stack::<(core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>, rustc_query_system::dep_graph::graph::DepNodeIndex), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_middle::infer::canonical::Canonical<rustc_middle::ty::ParamEnvAnd<rustc_middle::ty::Predicate>>, core::result::Result<rustc_middle::traits::select::EvaluationResult, rustc_middle::traits::select::OverflowError>>::{closure#3}>
22: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::evaluate_obligation, rustc_query_impl::plumbing::QueryCtxt>
23: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::evaluate_obligation
24: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation
25: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation_no_overflow
26: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::error_reporting::suggestions::InferCtxtExt>::suggest_add_reference_to_arg::{closure#1}
27: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::error_reporting::suggestions::InferCtxtExt>::suggest_add_reference_to_arg
28: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::error_reporting::InferCtxtExt>::report_selection_error
29: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::error_reporting::InferCtxtPrivExt>::report_fulfillment_error
30: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::error_reporting::InferCtxtExt>::report_fulfillment_errors
31: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_argument_types
32: <rustc_typeck::check::fn_ctxt::FnCtxt>::confirm_builtin_call
33: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_call
34: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
35: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
36: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_stmt
37: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected
38: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
39: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_return_expr
40: rustc_typeck::check::check::check_fn
41: <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}>
42: rustc_typeck::check::typeck
43: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>
44: rustc_data_structures::stack::ensure_sufficient_stack::<(&rustc_middle::ty::context::TypeckResults, rustc_query_system::dep_graph::graph::DepNodeIndex), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#3}>
45: 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>>
46: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck, rustc_query_impl::plumbing::QueryCtxt>
47: <rustc_middle::hir::map::Map>::par_body_owners::<rustc_typeck::check::typeck_item_bodies::{closure#0}>
48: rustc_typeck::check::typeck_item_bodies
49: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), ()>
50: rustc_data_structures::stack::ensure_sufficient_stack::<((), rustc_query_system::dep_graph::graph::DepNodeIndex), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#3}>
51: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), ()>>
52: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
53: <rustc_session::session::Session>::time::<(), rustc_typeck::check_crate::{closure#7}>
54: rustc_typeck::check_crate
55: rustc_interface::passes::analysis
56: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>
57: rustc_data_structures::stack::ensure_sufficient_stack::<(core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::dep_graph::graph::DepNodeIndex), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#3}>
58: 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>>>
59: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
60: <rustc_interface::passes::QueryContext>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorReported>>
61: <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>>
62: 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#0}>
63: <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>>
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 1.58.0-nightly (82af160c2 2021-11-10) running on x86_64-apple-darwin
note: compiler flags: -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 -C incremental --crate-type bin
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
#0 [evaluate_obligation] evaluating trait selection obligation `&'static (): core::marker::Unsize`
#1 [typeck] type-checking `main`
#2 [typeck_item_bodies] type-checking all item bodies
#3 [analysis] running analysis passes on this crate
end of query stack
error: internal compiler error: trimmed_def_paths constructed
|
= note: delayed at 0: std::backtrace::Backtrace::create
1: std::backtrace::Backtrace::force_capture
2: <rustc_errors::Handler>::delay_good_path_bug
3: rustc_middle::ty::print::pretty::trimmed_def_paths
4: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>
5: rustc_data_structures::stack::ensure_sufficient_stack::<(std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>, rustc_query_system::dep_graph::graph::DepNodeIndex), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::{closure#3}>
6: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::ArenaCache<(), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>>
7: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::trimmed_def_paths, rustc_query_impl::plumbing::QueryCtxt>
8: <rustc_middle::ty::print::pretty::FmtPrinter<&mut core::fmt::Formatter> as rustc_middle::ty::print::Printer>::print_def_path
9: <rustc_middle::ty::print::pretty::FmtPrinter<&mut core::fmt::Formatter> as rustc_middle::ty::print::Printer>::default_print_def_path
10: <rustc_middle::ty::print::pretty::FmtPrinter<&mut core::fmt::Formatter> as rustc_middle::ty::print::Printer>::print_def_path
11: <rustc_middle::ty::TraitPredicate as rustc_middle::ty::print::Print<rustc_middle::ty::print::pretty::FmtPrinter<&mut core::fmt::Formatter>>>::print
12: <rustc_middle::ty::PredicateKind as rustc_middle::ty::print::Print<rustc_middle::ty::print::pretty::FmtPrinter<&mut core::fmt::Formatter>>>::print
13: <rustc_middle::ty::print::pretty::FmtPrinter<&mut core::fmt::Formatter> as rustc_middle::ty::print::pretty::PrettyPrinter>::in_binder::<rustc_middle::ty::PredicateKind>
14: <rustc_middle::ty::Predicate as core::fmt::Display>::fmt
15: core::fmt::write
16: alloc::fmt::format
17: <core::option::Option<alloc::string::String>>::unwrap_or_else::<<rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::error_reporting::InferCtxtExt>::report_selection_error::{closure#8}>
18: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::error_reporting::InferCtxtExt>::report_selection_error
19: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::error_reporting::InferCtxtPrivExt>::report_fulfillment_error
20: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::error_reporting::InferCtxtExt>::report_fulfillment_errors
21: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_argument_types
22: <rustc_typeck::check::fn_ctxt::FnCtxt>::confirm_builtin_call
23: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_call
24: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
25: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
26: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_stmt
27: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected
28: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
29: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_return_expr
30: rustc_typeck::check::check::check_fn
31: <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}>
32: rustc_typeck::check::typeck
33: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>
34: rustc_data_structures::stack::ensure_sufficient_stack::<(&rustc_middle::ty::context::TypeckResults, rustc_query_system::dep_graph::graph::DepNodeIndex), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>::{closure#3}>
35: 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>>
36: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck, rustc_query_impl::plumbing::QueryCtxt>
37: <rustc_middle::hir::map::Map>::par_body_owners::<rustc_typeck::check::typeck_item_bodies::{closure#0}>
38: rustc_typeck::check::typeck_item_bodies
39: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), ()>
40: rustc_data_structures::stack::ensure_sufficient_stack::<((), rustc_query_system::dep_graph::graph::DepNodeIndex), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), ()>::{closure#3}>
41: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), ()>>
42: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
43: <rustc_session::session::Session>::time::<(), rustc_typeck::check_crate::{closure#7}>
44: rustc_typeck::check_crate
45: rustc_interface::passes::analysis
46: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>
47: rustc_data_structures::stack::ensure_sufficient_stack::<(core::result::Result<(), rustc_errors::ErrorReported>, rustc_query_system::dep_graph::graph::DepNodeIndex), rustc_query_system::query::plumbing::execute_job<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorReported>>::{closure#3}>
48: 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>>>
49: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
50: <rustc_interface::passes::QueryContext>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorReported>>
51: <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>>
52: 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#0}>
53: <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>>
54: std::sys_common::backtrace::__rust_begin_short_backtrace::<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}, core::result::Result<(), rustc_errors::ErrorReported>>
55: <<std::thread::Builder>::spawn_unchecked<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}, core::result::Result<(), rustc_errors::ErrorReported>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
56: std::sys::unix::thread::Thread::new::thread_start
57: __pthread_start
thread 'rustc' panicked at 'no warnings or errors encountered even though `delayed_good_path_bugs` issued', compiler/rustc_errors/src/lib.rs:1188:13
stack backtrace:
0: 0x103f4f861 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c9c2c58a5e55211
1: 0x103fa072b - core::fmt::write::h2d5ecb4b9764759c
2: 0x103f40e3a - std::io::Write::write_fmt::hbb2ed9492eac32a2
3: 0x103f529c5 - std::panicking::default_hook::{{closure}}::h39365228a3bf0aa2
4: 0x103f525af - std::panicking::default_hook::h8ca622aa16a42db0
5: 0x11375e620 - rustc_driver[8702e6016a2d953f]::DEFAULT_HOOK::{closure#0}::{closure#0}
6: 0x103f53206 - std::panicking::rust_panic_with_hook::ha8b89b2b3829767b
7: 0x103f52c7e - std::panicking::begin_panic_handler::{{closure}}::h92845c1f420a7f41
8: 0x103f4fce7 - std::sys_common::backtrace::__rust_end_short_backtrace::hdae352311dc8769f
9: 0x103f52bea - _rust_begin_unwind
10: 0x103fcb59f - core::panicking::panic_fmt::h88a1b6fbb9084d2c
11: 0x117e15f02 - core[f4889159fda6615f]::panicking::panic_display::<&str>
12: 0x117e1d0c5 - <rustc_errors[7f9540041f075328]::HandlerInner>::flush_delayed
13: 0x117e1939d - <rustc_errors[7f9540041f075328]::HandlerInner as core[f4889159fda6615f]::ops::drop::Drop>::drop
14: 0x1137d736a - core[f4889159fda6615f]::ptr::drop_in_place::<rustc_session[84d5bb8c04871b82]::parse::ParseSess>
15: 0x1137e0237 - <alloc[6b2a4c4c8c58ee9a]::rc::Rc<rustc_session[84d5bb8c04871b82]::session::Session> as core[f4889159fda6615f]::ops::drop::Drop>::drop
16: 0x11376fc12 - core[f4889159fda6615f]::ptr::drop_in_place::<rustc_interface[36a618782d12d380]::interface::Compiler>
17: 0x11376da04 - rustc_span[a08cc5ade0305263]::with_source_map::<core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>, rustc_interface[36a618782d12d380]::interface::create_compiler_and_run<core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>, rustc_driver[8702e6016a2d953f]::run_compiler::{closure#1}>::{closure#0}>
18: 0x1137aaa8c - <scoped_tls[504a04b5a30bb02b]::ScopedKey<rustc_span[a08cc5ade0305263]::SessionGlobals>>::set::<rustc_interface[36a618782d12d380]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[36a618782d12d380]::interface::run_compiler<core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>, rustc_driver[8702e6016a2d953f]::run_compiler::{closure#1}>::{closure#0}, core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>>::{closure#0}::{closure#0}, core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>>
19: 0x113777642 - std[69c2830741c23f7e]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[36a618782d12d380]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[36a618782d12d380]::interface::run_compiler<core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>, rustc_driver[8702e6016a2d953f]::run_compiler::{closure#1}>::{closure#0}, core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>>::{closure#0}, core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>>
20: 0x113764435 - <<std[69c2830741c23f7e]::thread::Builder>::spawn_unchecked<rustc_interface[36a618782d12d380]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[36a618782d12d380]::interface::run_compiler<core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>, rustc_driver[8702e6016a2d953f]::run_compiler::{closure#1}>::{closure#0}, core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>>::{closure#0}, core[f4889159fda6615f]::result::Result<(), rustc_errors[7f9540041f075328]::ErrorReported>>::{closure#1} as core[f4889159fda6615f]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
21: 0x103f5d017 - std::sys::unix::thread::Thread::new::thread_start::h96b3fd9d7d5e1337
22: 0x7ff809660514 - __pthread_start
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 1.58.0-nightly (82af160c2 2021-11-10) running on x86_64-apple-darwin
note: compiler flags: -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 -C incremental --crate-type bin
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
end of query stack
thread panicked while panicking. aborting.
error: could not compile `unsizer`
Caused by:
process didn't exit successfully: `rustc --crate-name unsizer --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 -C metadata=380a342bcf3da8e7 -C extra-filename=-380a342bcf3da8e7 --out-dir /Users/username/unsizer/target/debug/deps -C incremental=/Users/username/unsizer/target/debug/incremental -L dependency=/Users/username/unsizer/target/debug/deps` (signal: 4, SIGILL: illegal instruction)