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kyoobey opened this issue Feb 22, 2023 · 1 comment
Closed

nightly rustc crash with generic_const_exprs #108329

kyoobey opened this issue Feb 22, 2023 · 1 comment
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@compiler-errors
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A-const-generics Area: const generics (parameters and arguments) C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` glacier ICE tracked in rust-lang/glacier. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@kyoobey
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kyoobey commented Feb 22, 2023 •
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Code

minimal example: https://play.rust-lang.org/?version=nightly&mode=debug&edition=2021&gist=f0e553103ea57b8dc9452b29ea1483f7

pub fn take (&mut self) -> Vec<T> {
	let mut buf = Vec::with_capacity(self.buffer.len());
	buf.copy_from_slice(self.buffer[..]);
	self.index = S - 1;
	buf
}

Meta

rustc --version --verbose:

rustc 1.69.0-nightly (5243ea5c2 2023-02-20)
binary: rustc
commit-hash: 5243ea5c29b136137c36bd773e5baa663790e097
commit-date: 2023-02-20
host: x86_64-unknown-linux-gnu
release: 1.69.0-nightly
LLVM version: 15.0.7

Error output

cargo b

 

   Compiling rust_crash v0.1.0 (/home/user/projects/rust_crash)
warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
 --> src/lib.rs:8:12
  |
8 | #![feature(generic_const_exprs)]
  |            ^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
  = note: `#[warn(incomplete_features)]` on by default

thread 'rustc' panicked at 'index out of bounds: the len is 30 but the index is 31', /cargo/registry/src/index.crates.io-6f17d22bba15001f/ena-0.14.0/src/snapshot_vec.rs:199:10
stack backtrace:
   0:     0x7f326ef6ab3a - std::backtrace_rs::backtrace::libunwind::trace::h12b28b68eb26bd66
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f326ef6ab3a - std::backtrace_rs::backtrace::trace_unsynchronized::h200511c4f08d08ef
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f326ef6ab3a - std::sys_common::backtrace::_print_fmt::h73434ecb073097d4
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f326ef6ab3a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7808d0be79b5d1ec
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f326efcab0e - core::fmt::write::hafefc351fbfaa415
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/core/src/fmt/mod.rs:1232:17
   5:     0x7f326ef5afe5 - std::io::Write::write_fmt::hc1d6b1569406505e
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/io/mod.rs:1684:15
   6:     0x7f326ef6a905 - std::sys_common::backtrace::_print::hd45cfc7e9c4b34ea
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7f326ef6a905 - std::sys_common::backtrace::print::h5e03fe95d9240812
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7f326ef6d67f - std::panicking::default_hook::{{closure}}::hf95a102fbb1a711a
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/panicking.rs:267:22
   9:     0x7f326ef6d3bb - std::panicking::default_hook::h0e224ad71e4cf3c6
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/panicking.rs:286:9
  10:     0x7f327221fcb5 - <rustc_driver_impl[6598fd657388da4]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[e6e25e2e3d2ed08b]::ops::function::FnOnce<(&core[e6e25e2e3d2ed08b]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
  11:     0x7f326ef6debd - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha8273e13c0202daf
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/alloc/src/boxed.rs:2002:9
  12:     0x7f326ef6debd - std::panicking::rust_panic_with_hook::hfa97f871b11d16ea
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/panicking.rs:692:13
  13:     0x7f326ef6dc39 - std::panicking::begin_panic_handler::{{closure}}::hd45660eb8177c8ba
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/panicking.rs:579:13
  14:     0x7f326ef6afa6 - std::sys_common::backtrace::__rust_end_short_backtrace::h24cc9aac7fd6776a
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/sys_common/backtrace.rs:137:18
  15:     0x7f326ef6d942 - rust_begin_unwind
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/panicking.rs:575:5
  16:     0x7f326efc74b3 - core::panicking::panic_fmt::he7b2d47a249dbf70
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/core/src/panicking.rs:64:14
  17:     0x7f326efc76a2 - core::panicking::panic_bounds_check::hb3bb534e3eb7e7e0
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/core/src/panicking.rs:159:5
  18:     0x7f327024a72e - <ena[15ff791d80d10dd6]::unify::UnificationTable<ena[15ff791d80d10dd6]::unify::backing_vec::InPlace<rustc_infer[363360bf8ff4ba6e]::infer::type_variable::TyVidEqKey, &mut alloc[3f8e9f68cf11003c]::vec::Vec<ena[15ff791d80d10dd6]::unify::VarValue<rustc_infer[363360bf8ff4ba6e]::infer::type_variable::TyVidEqKey>>, &mut rustc_infer[363360bf8ff4ba6e]::infer::undo_log::InferCtxtUndoLogs>>>::uninlined_get_root_key
  19:     0x7f32703224db - <rustc_infer[363360bf8ff4ba6e]::infer::combine::Generalizer as rustc_middle[6454e605f0b552d3]::ty::relate::TypeRelation>::tys
  20:     0x7f327031ab64 - rustc_middle[6454e605f0b552d3]::ty::relate::super_relate_tys::<rustc_infer[363360bf8ff4ba6e]::infer::combine::Generalizer>
  21:     0x7f327032231d - <rustc_infer[363360bf8ff4ba6e]::infer::combine::Generalizer as rustc_middle[6454e605f0b552d3]::ty::relate::TypeRelation>::tys
  22:     0x7f327028dbf7 - <rustc_infer[363360bf8ff4ba6e]::infer::equate::Equate as rustc_middle[6454e605f0b552d3]::ty::relate::TypeRelation>::tys
  23:     0x7f327117d7e4 - <rustc_infer[363360bf8ff4ba6e]::infer::at::At>::eq::<rustc_middle[6454e605f0b552d3]::ty::Ty>
  24:     0x7f327242ea8c - <rustc_infer[363360bf8ff4ba6e]::infer::InferCtxt>::can_eq::<rustc_middle[6454e605f0b552d3]::ty::Ty>
  25:     0x7f32723d5b29 - <rustc_hir_typeck[87bb278bea18fe2d]::fn_ctxt::FnCtxt>::point_at_expr_source_of_inferred_type
  26:     0x7f32723e8857 - <rustc_hir_typeck[87bb278bea18fe2d]::fn_ctxt::FnCtxt>::report_arg_errors
  27:     0x7f32708525d9 - <rustc_hir_typeck[87bb278bea18fe2d]::fn_ctxt::FnCtxt>::check_argument_types
  28:     0x7f32705441d0 - <rustc_hir_typeck[87bb278bea18fe2d]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  29:     0x7f327056f245 - <rustc_hir_typeck[87bb278bea18fe2d]::fn_ctxt::FnCtxt>::check_block_with_expected
  30:     0x7f3270542a5d - <rustc_hir_typeck[87bb278bea18fe2d]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  31:     0x7f32711773ab - <rustc_hir_typeck[87bb278bea18fe2d]::fn_ctxt::FnCtxt>::check_return_expr
  32:     0x7f327116f754 - rustc_hir_typeck[87bb278bea18fe2d]::check::check_fn
  33:     0x7f3271158a5a - rustc_hir_typeck[87bb278bea18fe2d]::typeck
  34:     0x7f3270fe36c3 - <rustc_query_system[e1d6d01a6f4eeda5]::dep_graph::graph::DepGraph<rustc_middle[6454e605f0b552d3]::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl[2383e868c5804bd1]::plumbing::QueryCtxt, rustc_span[5f03c33a4a98a2db]::def_id::LocalDefId, &rustc_middle[6454e605f0b552d3]::ty::typeck_results::TypeckResults>
  35:     0x7f3270fda277 - rustc_query_system[e1d6d01a6f4eeda5]::query::plumbing::try_execute_query::<rustc_query_impl[2383e868c5804bd1]::queries::typeck, rustc_query_impl[2383e868c5804bd1]::plumbing::QueryCtxt>
  36:     0x7f32719dedcb - rustc_data_structures[b1fe04a92ebabb45]::sync::par_for_each_in::<&[rustc_span[5f03c33a4a98a2db]::def_id::LocalDefId], <rustc_middle[6454e605f0b552d3]::hir::map::Map>::par_body_owners<rustc_hir_typeck[87bb278bea18fe2d]::typeck_item_bodies::{closure#0}>::{closure#0}>
  37:     0x7f32719dec0f - rustc_hir_typeck[87bb278bea18fe2d]::typeck_item_bodies
  38:     0x7f3271a20888 - <rustc_query_system[e1d6d01a6f4eeda5]::dep_graph::graph::DepGraph<rustc_middle[6454e605f0b552d3]::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl[2383e868c5804bd1]::plumbing::QueryCtxt, (), ()>
  39:     0x7f327185aced - rustc_query_system[e1d6d01a6f4eeda5]::query::plumbing::try_execute_query::<rustc_query_impl[2383e868c5804bd1]::queries::typeck_item_bodies, rustc_query_impl[2383e868c5804bd1]::plumbing::QueryCtxt>
  40:     0x7f3271c1e49b - <rustc_query_impl[2383e868c5804bd1]::Queries as rustc_middle[6454e605f0b552d3]::ty::query::QueryEngine>::typeck_item_bodies
  41:     0x7f3270631d23 - <rustc_session[2f74c47efaaecf50]::session::Session>::time::<(), rustc_hir_analysis[63c8f16ce92b0e6a]::check_crate::{closure#7}>
  42:     0x7f327062ec1d - rustc_hir_analysis[63c8f16ce92b0e6a]::check_crate
  43:     0x7f3270626222 - rustc_interface[a4c456754224e9c7]::passes::analysis
  44:     0x7f3271a4da61 - <rustc_query_system[e1d6d01a6f4eeda5]::dep_graph::graph::DepGraph<rustc_middle[6454e605f0b552d3]::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl[2383e868c5804bd1]::plumbing::QueryCtxt, (), core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>>
  45:     0x7f3271a4d0d2 - rustc_query_system[e1d6d01a6f4eeda5]::query::plumbing::try_execute_query::<rustc_query_impl[2383e868c5804bd1]::queries::analysis, rustc_query_impl[2383e868c5804bd1]::plumbing::QueryCtxt>
  46:     0x7f3271c17d4a - <rustc_query_impl[2383e868c5804bd1]::Queries as rustc_middle[6454e605f0b552d3]::ty::query::QueryEngine>::analysis
  47:     0x7f32714cbbf6 - <rustc_middle[6454e605f0b552d3]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[6598fd657388da4]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>>
  48:     0x7f32714caf07 - <rustc_interface[a4c456754224e9c7]::interface::Compiler>::enter::<rustc_driver_impl[6598fd657388da4]::run_compiler::{closure#1}::{closure#2}, core[e6e25e2e3d2ed08b]::result::Result<core[e6e25e2e3d2ed08b]::option::Option<rustc_interface[a4c456754224e9c7]::queries::Linker>, rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>>
  49:     0x7f32714c8fe4 - rustc_span[5f03c33a4a98a2db]::with_source_map::<core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>, rustc_interface[a4c456754224e9c7]::interface::run_compiler<core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>, rustc_driver_impl[6598fd657388da4]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  50:     0x7f32714c854d - std[33065b4dbfe75df]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[a4c456754224e9c7]::util::run_in_thread_pool_with_globals<rustc_interface[a4c456754224e9c7]::interface::run_compiler<core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>, rustc_driver_impl[6598fd657388da4]::run_compiler::{closure#1}>::{closure#0}, core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>>
  51:     0x7f32714c7f9c - <<std[33065b4dbfe75df]::thread::Builder>::spawn_unchecked_<rustc_interface[a4c456754224e9c7]::util::run_in_thread_pool_with_globals<rustc_interface[a4c456754224e9c7]::interface::run_compiler<core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>, rustc_driver_impl[6598fd657388da4]::run_compiler::{closure#1}>::{closure#0}, core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[e6e25e2e3d2ed08b]::result::Result<(), rustc_errors[e1f9be18bff28896]::ErrorGuaranteed>>::{closure#1} as core[e6e25e2e3d2ed08b]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  52:     0x7f326ef77d93 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfdd75e8d431ebcab
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/alloc/src/boxed.rs:1988:9
  53:     0x7f326ef77d93 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hac9c6d75eef1e452
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/alloc/src/boxed.rs:1988:9
  54:     0x7f326ef77d93 - std::sys::unix::thread::Thread::new::thread_start::h1e79a6f313450114
                               at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/sys/unix/thread.rs:108:17
  55:     0x7f326ed07bb5 - <unknown>
  56:     0x7f326ed89d90 - <unknown>
  57:                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 1.69.0-nightly (5243ea5c2 2023-02-20) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C linker=clang -C incremental=[REDACTED] -C link-arg=-fuse-ld=/usr/bin/mold

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [typeck] type-checking `<impl at src/lib.rs:87:1: 87:49>::take`
#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 errors encountered even though `delay_span_bug` issued

error: internal compiler error: no errors reported for args
  --> src/lib.rs:97:7
   |
97 |         buf.copy_from_slice(self.buffer[..]);
   |             ^^^^^^^^^^^^^^^
   |
   = note: delayed at    0: <rustc_errors::HandlerInner>::emit_diagnostic
              1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
              2: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_arg_errors
              3: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_argument_types
              4: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
              5: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
              6: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
              7: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
              8: rustc_hir_typeck::check::check_fn
              9: rustc_hir_typeck::typeck
             10: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::typeck_results::TypeckResults>
             11: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::queries::typeck, rustc_query_impl::plumbing::QueryCtxt>
             12: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_hir_typeck::typeck_item_bodies::{closure#0}>::{closure#0}>
             13: rustc_hir_typeck::typeck_item_bodies
             14: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl::plumbing::QueryCtxt, (), ()>
             15: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
             16: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck_item_bodies
             17: <rustc_session::session::Session>::time::<(), rustc_hir_analysis::check_crate::{closure#7}>
             18: rustc_hir_analysis::check_crate
             19: rustc_interface::passes::analysis
             20: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorGuaranteed>>
             21: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
             22: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::analysis
             23: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
             24: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_errors::ErrorGuaranteed>>
             25: rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
             26: 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_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
             27: <<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_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
             28: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                        at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/alloc/src/boxed.rs:1988:9
             29: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                        at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/alloc/src/boxed.rs:1988:9
             30: std::sys::unix::thread::Thread::new::thread_start
                        at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/sys/unix/thread.rs:108:17
             31: <unknown>
             32: <unknown>


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 1.69.0-nightly (5243ea5c2 2023-02-20) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C linker=clang -C incremental=[REDACTED] -C link-arg=-fuse-ld=/usr/bin/mold

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
thread panicked while panicking. aborting.
warning: `rust_crash` (lib) generated 1 warning
error: could not compile `rust_crash`; 1 warning emitted

Caused by:
  process didn't exit successfully: `rustc --crate-name rust_crash --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=150 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f658f221ff8fc457 -C extra-filename=-f658f221ff8fc457 --out-dir /home/user/projects/rust_crash/target/x86_64-unknown-linux-musl/debug/deps --target x86_64-unknown-linux-musl -C linker=clang -C incremental=/home/user/projects/rust_crash/target/x86_64-unknown-linux-musl/debug/incremental -L dependency=/home/user/projects/rust_crash/target/x86_64-unknown-linux-musl/debug/deps -L dependency=/home/user/projects/rust_crash/target/debug/deps -C link-arg=-fuse-ld=/usr/bin/mold` (signal: 6, SIGABRT: process abort signal)

Backtrace 

   Compiling rust_crash v0.1.0 (/home/user/projects/rust_crash)
warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
 --> src/lib.rs:8:12
  |
8 | #![feature(generic_const_exprs)]
  |            ^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
  = note: `#[warn(incomplete_features)]` on by default

thread 'rustc' panicked at 'index out of bounds: the len is 30 but the index is 31', /cargo/registry/src/index.crates.io-6f17d22bba15001f/ena-0.14.0/src/snapshot_vec.rs:199:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/panicking.rs:575:5
   1: core::panicking::panic_fmt
             at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/core/src/panicking.rs:64:14
   2: core::panicking::panic_bounds_check
             at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/core/src/panicking.rs:159:5
   3: <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>>>::uninlined_get_root_key
   4: <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys
   5: rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer>
   6: <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys
   7: <rustc_infer::infer::equate::Equate as rustc_middle::ty::relate::TypeRelation>::tys
   8: <rustc_infer::infer::at::At>::eq::<rustc_middle::ty::Ty>
   9: <rustc_infer::infer::InferCtxt>::can_eq::<rustc_middle::ty::Ty>
  10: <rustc_hir_typeck::fn_ctxt::FnCtxt>::point_at_expr_source_of_inferred_type
  11: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_arg_errors
  12: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_argument_types
  13: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  14: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
  15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  16: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
  17: rustc_hir_typeck::check::check_fn
  18: rustc_hir_typeck::typeck
  19: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::typeck_results::TypeckResults>
  20: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::queries::typeck, rustc_query_impl::plumbing::QueryCtxt>
  21: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_hir_typeck::typeck_item_bodies::{closure#0}>::{closure#0}>
  22: rustc_hir_typeck::typeck_item_bodies
  23: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl::plumbing::QueryCtxt, (), ()>
  24: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
  25: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck_item_bodies
  26: <rustc_session::session::Session>::time::<(), rustc_hir_analysis::check_crate::{closure#7}>
  27: rustc_hir_analysis::check_crate
  28: rustc_interface::passes::analysis
  29: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorGuaranteed>>
  30: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
  31: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::analysis
  32: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
  33: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_errors::ErrorGuaranteed>>
  34: rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

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 1.69.0-nightly (5243ea5c2 2023-02-20) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C linker=clang -C incremental=[REDACTED] -C link-arg=-fuse-ld=/usr/bin/mold

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [typeck] type-checking `<impl at src/lib.rs:87:1: 87:49>::take`
#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 errors encountered even though `delay_span_bug` issued

error: internal compiler error: no errors reported for args
  --> src/lib.rs:97:7
   |
97 |         buf.copy_from_slice(self.buffer[..]);
   |             ^^^^^^^^^^^^^^^
   |
   = note: delayed at    0: <rustc_errors::HandlerInner>::emit_diagnostic
              1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
              2: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_arg_errors
              3: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_argument_types
              4: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
              5: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
              6: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
              7: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
              8: rustc_hir_typeck::check::check_fn
              9: rustc_hir_typeck::typeck
             10: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::typeck_results::TypeckResults>
             11: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::queries::typeck, rustc_query_impl::plumbing::QueryCtxt>
             12: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_hir_typeck::typeck_item_bodies::{closure#0}>::{closure#0}>
             13: rustc_hir_typeck::typeck_item_bodies
             14: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl::plumbing::QueryCtxt, (), ()>
             15: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
             16: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck_item_bodies
             17: <rustc_session::session::Session>::time::<(), rustc_hir_analysis::check_crate::{closure#7}>
             18: rustc_hir_analysis::check_crate
             19: rustc_interface::passes::analysis
             20: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_query_impl::plumbing::QueryCtxt, (), core::result::Result<(), rustc_errors::ErrorGuaranteed>>
             21: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
             22: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::analysis
             23: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
             24: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_errors::ErrorGuaranteed>>
             25: rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
             26: 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_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
             27: <<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_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
             28: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                        at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/alloc/src/boxed.rs:1988:9
             29: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                        at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/alloc/src/boxed.rs:1988:9
             30: std::sys::unix::thread::Thread::new::thread_start
                        at /rustc/5243ea5c29b136137c36bd773e5baa663790e097/library/std/src/sys/unix/thread.rs:108:17
             31: <unknown>
             32: <unknown>


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 1.69.0-nightly (5243ea5c2 2023-02-20) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C linker=clang -C incremental=[REDACTED] -C link-arg=-fuse-ld=/usr/bin/mold

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
thread panicked while panicking. aborting.
warning: `rust_crash` (lib) generated 1 warning
error: could not compile `rust_crash`; 1 warning emitted

Caused by:
  process didn't exit successfully: `rustc --crate-name rust_crash --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=150 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f658f221ff8fc457 -C extra-filename=-f658f221ff8fc457 --out-dir /home/user/projects/rust_crash/target/x86_64-unknown-linux-musl/debug/deps --target x86_64-unknown-linux-musl -C linker=clang -C incremental=/home/user/projects/rust_crash/target/x86_64-unknown-linux-musl/debug/incremental -L dependency=/home/user/projects/rust_crash/target/x86_64-unknown-linux-musl/debug/deps -L dependency=/home/user/projects/rust_crash/target/debug/deps -C link-arg=-fuse-ld=/usr/bin/mold` (signal: 6, SIGABRT: process abort signal)

@kyoobey kyoobey added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Feb 22, 2023
@BoxyUwU BoxyUwU added A-const-generics Area: const generics (parameters and arguments) F-generic_const_exprs `#![feature(generic_const_exprs)]` labels Feb 24, 2023
@rust-lang-glacier-bot rust-lang-glacier-bot added the glacier ICE tracked in rust-lang/glacier. label Mar 3, 2023
@github-actions github-actions bot mentioned this issue Mar 4, 2023
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Fixed by #108667

@compiler-errors compiler-errors self-assigned this Mar 16, 2023
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A-const-generics Area: const generics (parameters and arguments) C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` glacier ICE tracked in rust-lang/glacier. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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