Closed
Description
Code
pub trait Ice {
fn f(&self);
}
impl Ice for () {
fn f(&self) {}
}
fn main() {
().f::<()>(());
}Repros on the playground/current nightly. But works (gives an error about mismatched number of generic arguments) on stable and beta. s/o to @memoryruins for the minimal example.
Meta
rustc --version --verbose:
rustc 1.65.0-nightly (84f0c3f79 2022-09-03)
binary: rustc
commit-hash: 84f0c3f79a85329dd79a54694ff8a7f427c842e9
commit-date: 2022-09-03
host: x86_64-unknown-linux-gnu
release: 1.65.0-nightly
LLVM version: 15.0.0
Error output
Backtrace
thread 'rustc' panicked at 'assertion failed: `(left == right)`
left: `2`,
right: `1`', compiler/rustc_typeck/src/structured_errors/wrong_number_of_generic_args.rs:762:13
stack backtrace:
0: 0x7f7afc0cc340 - std::backtrace_rs::backtrace::libunwind::trace::he4e99f7a9421fd21
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
1: 0x7f7afc0cc340 - std::backtrace_rs::backtrace::trace_unsynchronized::h74200e38a72f671f
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f7afc0cc340 - std::sys_common::backtrace::_print_fmt::hfbb8fdb3546734fb
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys_common/backtrace.rs:66:5
3: 0x7f7afc0cc340 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb06e7a466c2aea64
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys_common/backtrace.rs:45:22
4: 0x7f7afc1270fe - core::fmt::write::h8ba61610af1e729d
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/core/src/fmt/mod.rs:1202:17
5: 0x7f7afc0bcd15 - std::io::Write::write_fmt::h93eba0e07d57e4b5
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/io/mod.rs:1679:15
6: 0x7f7afc0cefd3 - std::sys_common::backtrace::_print::h2cdedfde5efdb664
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys_common/backtrace.rs:48:5
7: 0x7f7afc0cefd3 - std::sys_common::backtrace::print::h68414ee92e65fad5
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys_common/backtrace.rs:35:9
8: 0x7f7afc0cefd3 - std::panicking::default_hook::{{closure}}::h98d876334738bafa
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/panicking.rs:295:22
9: 0x7f7afc0cecbf - std::panicking::default_hook::h098a5781bef610c8
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/panicking.rs:314:9
10: 0x7f7afe96ed51 - <rustc_driver[50799d7c8405f566]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[9e79f03012061614]::ops::function::FnOnce<(&core[9e79f03012061614]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
11: 0x7f7afc0cf80d - std::panicking::rust_panic_with_hook::h723649ddcf73c6f3
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/panicking.rs:702:17
12: 0x7f7afc0cf667 - std::panicking::begin_panic_handler::{{closure}}::h9baae5c36d713817
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/panicking.rs:588:13
13: 0x7f7afc0cc85c - std::sys_common::backtrace::__rust_end_short_backtrace::hf771b300380f68b6
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys_common/backtrace.rs:138:18
14: 0x7f7afc0cf382 - rust_begin_unwind
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/panicking.rs:584:5
15: 0x7f7afc123ce3 - core::panicking::panic_fmt::hfc3d0a8a832c19b6
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/core/src/panicking.rs:142:14
16: 0x7f7afc123eeb - core::panicking::assert_failed_inner::h794504581fd2d25e
17: 0x7f7afed1df7c - core[9e79f03012061614]::panicking::assert_failed::<usize, usize>
18: 0x7f7afed179a7 - <rustc_typeck[2e4e46c673df809b]::structured_errors::wrong_number_of_generic_args::WrongNumberOfGenericArgs>::suggest_moving_args_from_assoc_fn_to_trait_for_method_call
19: 0x7f7afed19c4e - <rustc_typeck[2e4e46c673df809b]::structured_errors::wrong_number_of_generic_args::WrongNumberOfGenericArgs as rustc_typeck[2e4e46c673df809b]::structured_errors::StructuredDiagnostic>::diagnostic_common
20: 0x7f7afed19e64 - <rustc_typeck[2e4e46c673df809b]::structured_errors::wrong_number_of_generic_args::WrongNumberOfGenericArgs as rustc_typeck[2e4e46c673df809b]::structured_errors::StructuredDiagnostic>::diagnostic
21: 0x7f7afd4cd321 - <rustc_typeck[2e4e46c673df809b]::check::method::confirm::ConfirmContext>::confirm
22: 0x7f7afd492885 - <rustc_typeck[2e4e46c673df809b]::check::fn_ctxt::FnCtxt>::lookup_method
23: 0x7f7afd479212 - <rustc_typeck[2e4e46c673df809b]::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
24: 0x7f7afd4abca6 - <rustc_typeck[2e4e46c673df809b]::check::fn_ctxt::FnCtxt>::check_block_with_expected
25: 0x7f7afd479161 - <rustc_typeck[2e4e46c673df809b]::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
26: 0x7f7afd683cad - <rustc_typeck[2e4e46c673df809b]::check::fn_ctxt::FnCtxt>::check_return_expr
27: 0x7f7afd67a148 - rustc_typeck[2e4e46c673df809b]::check::check::check_fn
28: 0x7f7afd66b6a5 - <rustc_infer[9621d61c06e2fd28]::infer::InferCtxtBuilder>::enter::<&rustc_middle[2f4b9e29546a322f]::ty::context::TypeckResults, <rustc_typeck[2e4e46c673df809b]::check::inherited::InheritedBuilder>::enter<rustc_typeck[2e4e46c673df809b]::check::typeck_with_fallback<rustc_typeck[2e4e46c673df809b]::check::typeck::{closure#0}>::{closure#1}, &rustc_middle[2f4b9e29546a322f]::ty::context::TypeckResults>::{closure#0}>
29: 0x7f7afd669970 - rustc_typeck[2e4e46c673df809b]::check::typeck
30: 0x7f7afe149398 - rustc_query_system[43d3d2d99526f734]::query::plumbing::try_execute_query::<rustc_query_impl[c86171d079f7a759]::plumbing::QueryCtxt, rustc_query_system[43d3d2d99526f734]::query::caches::DefaultCache<rustc_span[e67d62ce6d130a16]::def_id::LocalDefId, &rustc_middle[2f4b9e29546a322f]::ty::context::TypeckResults>>
31: 0x7f7afe86929a - <rustc_query_impl[c86171d079f7a759]::Queries as rustc_middle[2f4b9e29546a322f]::ty::query::QueryEngine>::typeck
32: 0x7f7afe699cfb - rustc_data_structures[bf35110829b83311]::sync::par_for_each_in::<&[rustc_span[e67d62ce6d130a16]::def_id::LocalDefId], <rustc_middle[2f4b9e29546a322f]::hir::map::Map>::par_body_owners<rustc_typeck[2e4e46c673df809b]::check::typeck_item_bodies::{closure#0}>::{closure#0}>
33: 0x7f7afe699ac3 - rustc_typeck[2e4e46c673df809b]::check::typeck_item_bodies
34: 0x7f7afe59facf - rustc_query_system[43d3d2d99526f734]::query::plumbing::try_execute_query::<rustc_query_impl[c86171d079f7a759]::plumbing::QueryCtxt, rustc_query_system[43d3d2d99526f734]::query::caches::DefaultCache<(), ()>>
35: 0x7f7afe59f7e3 - rustc_query_system[43d3d2d99526f734]::query::plumbing::get_query::<rustc_query_impl[c86171d079f7a759]::queries::typeck_item_bodies, rustc_query_impl[c86171d079f7a759]::plumbing::QueryCtxt>
36: 0x7f7afdcb9a7f - <rustc_session[ffa4a92384fc7df0]::session::Session>::time::<(), rustc_typeck[2e4e46c673df809b]::check_crate::{closure#7}>
37: 0x7f7afdcb963f - rustc_typeck[2e4e46c673df809b]::check_crate
38: 0x7f7afdcb8c07 - rustc_interface[113e5a7d9d4618b]::passes::analysis
39: 0x7f7afe6ef58f - rustc_query_system[43d3d2d99526f734]::query::plumbing::try_execute_query::<rustc_query_impl[c86171d079f7a759]::plumbing::QueryCtxt, rustc_query_system[43d3d2d99526f734]::query::caches::DefaultCache<(), core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>>
40: 0x7f7afe6ef2a0 - rustc_query_system[43d3d2d99526f734]::query::plumbing::get_query::<rustc_query_impl[c86171d079f7a759]::queries::analysis, rustc_query_impl[c86171d079f7a759]::plumbing::QueryCtxt>
41: 0x7f7afd76c5e4 - <rustc_interface[113e5a7d9d4618b]::passes::QueryContext>::enter::<rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>
42: 0x7f7afd768b9e - <rustc_interface[113e5a7d9d4618b]::interface::Compiler>::enter::<rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}::{closure#2}, core[9e79f03012061614]::result::Result<core[9e79f03012061614]::option::Option<rustc_interface[113e5a7d9d4618b]::queries::Linker>, rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>
43: 0x7f7afd763d0c - rustc_span[e67d62ce6d130a16]::with_source_map::<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_interface[113e5a7d9d4618b]::interface::create_compiler_and_run<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>::{closure#1}>
44: 0x7f7afd763702 - rustc_interface[113e5a7d9d4618b]::interface::create_compiler_and_run::<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>
45: 0x7f7afd762351 - <scoped_tls[95e243f8d973a695]::ScopedKey<rustc_span[e67d62ce6d130a16]::SessionGlobals>>::set::<rustc_interface[113e5a7d9d4618b]::interface::run_compiler<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>
46: 0x7f7afd76203f - std[1194366af38420ad]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[113e5a7d9d4618b]::util::run_in_thread_pool_with_globals<rustc_interface[113e5a7d9d4618b]::interface::run_compiler<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>
47: 0x7f7afe785099 - <<std[1194366af38420ad]::thread::Builder>::spawn_unchecked_<rustc_interface[113e5a7d9d4618b]::util::run_in_thread_pool_with_globals<rustc_interface[113e5a7d9d4618b]::interface::run_compiler<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>::{closure#1} as core[9e79f03012061614]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
48: 0x7f7afc0d9663 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he022220abf60d2af
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/alloc/src/boxed.rs:1940:9
49: 0x7f7afc0d9663 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h26bdfd3e52f03485
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/alloc/src/boxed.rs:1940:9
50: 0x7f7afc0d9663 - std::sys::unix::thread::Thread::new::thread_start::hc76b3d0624b7ab68
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys/unix/thread.rs:108:17
51: 0x7f7afbfad609 - start_thread
52: 0x7f7afbed0133 - clone
53: 0x0 - <unknown>
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 1.65.0-nightly (84f0c3f79 2022-09-03) running on x86_64-unknown-linux-gnu
note: compiler flags: --crate-type bin -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
#0 [typeck] type-checking `main`
#1 [typeck_item_bodies] type-checking all item bodies
#2 [analysis] running analysis passes on this crate
end of query stack
error: internal compiler error: no warnings or errors encountered even though `delayed_good_path_bugs` issued
error: internal compiler error: trimmed_def_paths constructed
|
= note: delayed at 0: <rustc_errors::Handler>::delay_good_path_bug::<&str>
1: rustc_middle::ty::print::pretty::trimmed_def_paths
2: 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>>>>
3: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::trimmed_def_paths, rustc_query_impl::plumbing::QueryCtxt>
4: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::Printer>::print_def_path
5: <rustc_middle::ty::context::TyCtxt>::def_path_str_with_substs
6: <rustc_middle::ty::context::TyCtxt>::def_path_str
7: <rustc_typeck::structured_errors::wrong_number_of_generic_args::WrongNumberOfGenericArgs as rustc_typeck::structured_errors::StructuredDiagnostic>::diagnostic_common
8: <rustc_typeck::structured_errors::wrong_number_of_generic_args::WrongNumberOfGenericArgs as rustc_typeck::structured_errors::StructuredDiagnostic>::diagnostic
9: <rustc_typeck::check::method::confirm::ConfirmContext>::confirm
10: <rustc_typeck::check::fn_ctxt::FnCtxt>::lookup_method
11: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
12: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected
13: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
14: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_return_expr
15: rustc_typeck::check::check::check_fn
16: <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}>
17: rustc_typeck::check::typeck
18: 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>>
19: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck
20: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_typeck::check::typeck_item_bodies::{closure#0}>::{closure#0}>
21: rustc_typeck::check::typeck_item_bodies
22: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), ()>>
23: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
24: <rustc_session::session::Session>::time::<(), rustc_typeck::check_crate::{closure#7}>
25: rustc_typeck::check_crate
26: rustc_interface::passes::analysis
27: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), core::result::Result<(), rustc_errors::ErrorGuaranteed>>>
28: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
29: <rustc_interface::passes::QueryContext>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
30: <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::ErrorGuaranteed>>
31: rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_interface::interface::create_compiler_and_run<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#1}>
32: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>
33: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
34: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
35: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
36: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/alloc/src/boxed.rs:1940:9
37: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/alloc/src/boxed.rs:1940:9
38: std::sys::unix::thread::Thread::new::thread_start
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys/unix/thread.rs:108:17
39: start_thread
40: clone
thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1499:13
stack backtrace:
0: 0x7f7afc0cc340 - std::backtrace_rs::backtrace::libunwind::trace::he4e99f7a9421fd21
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
1: 0x7f7afc0cc340 - std::backtrace_rs::backtrace::trace_unsynchronized::h74200e38a72f671f
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f7afc0cc340 - std::sys_common::backtrace::_print_fmt::hfbb8fdb3546734fb
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys_common/backtrace.rs:66:5
3: 0x7f7afc0cc340 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb06e7a466c2aea64
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys_common/backtrace.rs:45:22
4: 0x7f7afc1270fe - core::fmt::write::h8ba61610af1e729d
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/core/src/fmt/mod.rs:1202:17
5: 0x7f7afc0bcd15 - std::io::Write::write_fmt::h93eba0e07d57e4b5
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/io/mod.rs:1679:15
6: 0x7f7afc0cefd3 - std::sys_common::backtrace::_print::h2cdedfde5efdb664
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys_common/backtrace.rs:48:5
7: 0x7f7afc0cefd3 - std::sys_common::backtrace::print::h68414ee92e65fad5
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys_common/backtrace.rs:35:9
8: 0x7f7afc0cefd3 - std::panicking::default_hook::{{closure}}::h98d876334738bafa
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/panicking.rs:295:22
9: 0x7f7afc0cecbf - std::panicking::default_hook::h098a5781bef610c8
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/panicking.rs:314:9
10: 0x7f7afe96ed51 - <rustc_driver[50799d7c8405f566]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[9e79f03012061614]::ops::function::FnOnce<(&core[9e79f03012061614]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
11: 0x7f7afc0cf80d - std::panicking::rust_panic_with_hook::h723649ddcf73c6f3
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/panicking.rs:702:17
12: 0x7f7affa60111 - std[1194366af38420ad]::panicking::begin_panic::<rustc_errors[f22a624e573ad349]::ExplicitBug>::{closure#0}
13: 0x7f7affa5ed16 - std[1194366af38420ad]::sys_common::backtrace::__rust_end_short_backtrace::<std[1194366af38420ad]::panicking::begin_panic<rustc_errors[f22a624e573ad349]::ExplicitBug>::{closure#0}, !>
14: 0x7f7affa595b6 - std[1194366af38420ad]::panicking::begin_panic::<rustc_errors[f22a624e573ad349]::ExplicitBug>
15: 0x7f7affa5bd86 - std[1194366af38420ad]::panic::panic_any::<rustc_errors[f22a624e573ad349]::ExplicitBug>
16: 0x7f7afe42ce88 - <rustc_errors[f22a624e573ad349]::HandlerInner as core[9e79f03012061614]::ops::drop::Drop>::drop
17: 0x7f7afd7ab298 - core[9e79f03012061614]::ptr::drop_in_place::<rustc_session[ffa4a92384fc7df0]::parse::ParseSess>
18: 0x7f7afd765398 - <alloc[f02e76f600b2762f]::rc::Rc<rustc_session[ffa4a92384fc7df0]::session::Session> as core[9e79f03012061614]::ops::drop::Drop>::drop
19: 0x7f7afd76474d - core[9e79f03012061614]::ptr::drop_in_place::<rustc_interface[113e5a7d9d4618b]::interface::Compiler>
20: 0x7f7afd7640e5 - rustc_span[e67d62ce6d130a16]::with_source_map::<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_interface[113e5a7d9d4618b]::interface::create_compiler_and_run<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>::{closure#1}>
21: 0x7f7afd763702 - rustc_interface[113e5a7d9d4618b]::interface::create_compiler_and_run::<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>
22: 0x7f7afd762351 - <scoped_tls[95e243f8d973a695]::ScopedKey<rustc_span[e67d62ce6d130a16]::SessionGlobals>>::set::<rustc_interface[113e5a7d9d4618b]::interface::run_compiler<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>
23: 0x7f7afd76203f - std[1194366af38420ad]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[113e5a7d9d4618b]::util::run_in_thread_pool_with_globals<rustc_interface[113e5a7d9d4618b]::interface::run_compiler<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>
24: 0x7f7afe785099 - <<std[1194366af38420ad]::thread::Builder>::spawn_unchecked_<rustc_interface[113e5a7d9d4618b]::util::run_in_thread_pool_with_globals<rustc_interface[113e5a7d9d4618b]::interface::run_compiler<core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>, rustc_driver[50799d7c8405f566]::run_compiler::{closure#1}>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>::{closure#0}, core[9e79f03012061614]::result::Result<(), rustc_errors[f22a624e573ad349]::ErrorGuaranteed>>::{closure#1} as core[9e79f03012061614]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
25: 0x7f7afc0d9663 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he022220abf60d2af
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/alloc/src/boxed.rs:1940:9
26: 0x7f7afc0d9663 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h26bdfd3e52f03485
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/alloc/src/boxed.rs:1940:9
27: 0x7f7afc0d9663 - std::sys::unix::thread::Thread::new::thread_start::hc76b3d0624b7ab68
at /rustc/84f0c3f79a85329dd79a54694ff8a7f427c842e9/library/std/src/sys/unix/thread.rs:108:17
28: 0x7f7afbfad609 - start_thread
29: 0x7f7afbed0133 - clone
30: 0x0 - <unknown>
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 1.65.0-nightly (84f0c3f79 2022-09-03) running on x86_64-unknown-linux-gnu
note: compiler flags: --crate-type bin -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2
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 `playground`