Skip to content

debug ice: Span must not be empty and have no suggestion' : span points at "where" but is quite off #112363

Closed
#112416
Closed
debug ice: Span must not be empty and have no suggestion' : span points at "where" but is quite off#112363
#112416
Labels
C-bugCategory: This is a bug.I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some way

Description

@matthiaskrgr
matthiaskrgr
opened on Jun 6, 2023

Code

requires debug assertions for ICE

extern "C" {
    type Item = [T] where [T]: Sized;
}

Meta

rustc --version --verbose:

rustc 1.72.0-nightly (e6d4725c7 2023-06-05)
binary: rustc
commit-hash: e6d4725c76f3b526c74454bc51afdf6daf133506
commit-date: 2023-06-05
host: x86_64-unknown-linux-gnu
release: 1.72.0-nightly
LLVM version: 16.0.4

Error output

error: incorrect `type` inside `extern` block
 --> treereduce.out:2:10
  |
1 | extern "C" {
  | ---------- `extern` blocks define existing foreign types and types inside of them cannot have a body
2 |     type Item = [T] where [T]: Sized;
  |          ^^^^   --- the invalid body
  |          |
  |          cannot have a body
  |
  = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html

error: `type`s inside `extern` blocks cannot have `where` clauses
 --> treereduce.out:2:14
  |
1 | extern "C" {
  | ---------- `extern` block begins here
2 |     type Item = [T] where [T]: Sized;
  |              ^ help: remove the `where` clause
  |
  = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html

error[E0412]: cannot find type `T` in this scope
 --> treereduce.out:2:28
  |
2 |     type Item = [T] where [T]: Sized;
  |                            ^ not found in this scope

error[E0412]: cannot find type `T` in this scope
 --> treereduce.out:2:18
  |
2 |     type Item = [T] where [T]: Sized;
  |                  ^ not found in this scope

error[E0658]: extern types are experimental
 --> treereduce.out:2:5
  |
2 |     type Item = [T] where [T]: Sized;
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #43467 <https://github.com/rust-lang/rust/issues/43467> for more information
  = help: add `#![feature(extern_types)]` to the crate attributes to enable

error[E0601]: `main` function not found in crate `treereduce`
 --> treereduce.out:4:2
  |
4 | }
  |  ^ consider adding a `main` function to `treereduce.out`

error: aborting due to 6 previous errors

The problem is the

error: `type`s inside `extern` blocks cannot have `where` clauses
 --> treereduce.out:2:14
  |
1 | extern "C" {
  | ---------- `extern` block begins here
2 |     type Item = [T] where [T]: Sized;
  |              ^ help: remove the `where` clause
  |
  = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html

which is supposed to point at the where but it somehow completely misses it and so the point points at nothing particular..?

Backtrace 

error: incorrect `type` inside `extern` block
 --> treereduce.out:2:10
  |
1 | extern "C" {
  | ---------- `extern` blocks define existing foreign types and types inside of them cannot have a body
2 |     type Item = [T] where [T]: Sized;
  |          ^^^^   --- the invalid body
  |          |
  |          cannot have a body
  |
  = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html

thread 'rustc' panicked at 'Span must not be empty and have no suggestion', /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:769:9
stack backtrace:
   0:     0x7f019b3631b6 - std::backtrace_rs::backtrace::libunwind::trace::hbf38f71cf3c249c4
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f019b3631b6 - std::backtrace_rs::backtrace::trace_unsynchronized::h92b7b3a804dec4eb
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f019b3631b6 - std::sys_common::backtrace::_print_fmt::h348875c0dc69551d
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f019b3631b6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9f8410fcd9676ef8
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f019b3b06a8 - core::fmt::rt::Argument::fmt::h4f8c28fcc5e0c6ce
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/rt.rs:138:9
   5:     0x7f019b3b06a8 - core::fmt::write::h7d46c21d618fb808
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1094:21
   6:     0x7f019b31833f - std::io::Write::write_fmt::hdaaa540d9d335de4
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1713:15
   7:     0x7f019b362fb5 - std::sys_common::backtrace::_print::ha4b3dcdc1fa87761
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f019b362fb5 - std::sys_common::backtrace::print::h2505fe8968f08e73
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f019b339eac - std::panicking::default_hook::{{closure}}::h6e819d6b421237e7
  10:     0x7f019b339b82 - std::panicking::default_hook::hd033617335ffb85c
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:288:9
  11:     0x7f019de54eeb - <alloc[d322003864c16cf5]::boxed::Box<dyn for<'a, 'b> core[ad2aefeb2646d5e0]::ops::function::Fn<(&'a core[ad2aefeb2646d5e0]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[ad2aefeb2646d5e0]::marker::Sync + core[ad2aefeb2646d5e0]::marker::Send> as core[ad2aefeb2646d5e0]::ops::function::Fn<(&core[ad2aefeb2646d5e0]::panic::panic_info::PanicInfo,)>>::call
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1999:9
  12:     0x7f019de54eeb - rustc_driver_impl[137e8ec47d2ed4b4]::install_ice_hook::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:1269:13
  13:     0x7f019b33a745 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h031eddff9a16c0f1
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1999:9
  14:     0x7f019b33a745 - std::panicking::rust_panic_with_hook::h178ca060d6fe37aa
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:709:13
  15:     0x7f019b363481 - std::panicking::begin_panic_handler::{{closure}}::h042578877a3be6e2
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:595:13
  16:     0x7f019b363296 - std::sys_common::backtrace::__rust_end_short_backtrace::hc65e7fa9523157e4
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:151:18
  17:     0x7f019b33a2b2 - rust_begin_unwind
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:593:5
  18:     0x7f019b3c7323 - core::panicking::panic_fmt::hb3d3573ea68cbca7
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:67:14
  19:     0x7f019d38dc91 - <rustc_errors[5695b484f9970627]::diagnostic::Diagnostic>::span_suggestions_with_style::<rustc_error_messages[36385b87b05a1303]::SubdiagnosticMessage, core[ad2aefeb2646d5e0]::array::iter::IntoIter<alloc[d322003864c16cf5]::string::String, 1usize>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:769:9
  20:     0x7f019d3bb4b0 - <rustc_ast_passes[b35d70ea746bad1b]::errors::ExternTypesCannotHave as rustc_errors[5695b484f9970627]::diagnostic_builder::IntoDiagnostic>::into_diagnostic
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast_passes/src/errors.rs:234:10
  21:     0x7f019d3c975c - <rustc_errors[5695b484f9970627]::Handler>::create_err::<rustc_ast_passes[b35d70ea746bad1b]::errors::ExternTypesCannotHave>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/lib.rs:1135:9
  22:     0x7f019d3c975c - <rustc_errors[5695b484f9970627]::Handler>::emit_err::<rustc_ast_passes[b35d70ea746bad1b]::errors::ExternTypesCannotHave>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/lib.rs:1128:14
  23:     0x7f019d3ac8ed - <rustc_ast_passes[b35d70ea746bad1b]::ast_validation::AstValidator>::check_foreign_ty_genericless::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast_passes/src/ast_validation.rs:369:13
  24:     0x7f019d3ac8ed - <rustc_ast_passes[b35d70ea746bad1b]::ast_validation::AstValidator>::check_foreign_ty_genericless
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast_passes/src/ast_validation.rs:382:13
  25:     0x7f019d3ac8ed - <rustc_ast_passes[b35d70ea746bad1b]::ast_validation::AstValidator as rustc_ast[d85b886c5bb9ebed]::visit::Visitor>::visit_foreign_item
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast_passes/src/ast_validation.rs:1042:17
  26:     0x7f019d378b69 - rustc_ast[d85b886c5bb9ebed]::visit::walk_item::<rustc_ast_passes[b35d70ea746bad1b]::ast_validation::AstValidator>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:328:13
  27:     0x7f019d3ab0fc - <rustc_ast_passes[b35d70ea746bad1b]::ast_validation::AstValidator as rustc_ast[d85b886c5bb9ebed]::visit::Visitor>::visit_item
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast_passes/src/ast_validation.rs:935:17
  28:     0x7f019e9945cd - rustc_ast[d85b886c5bb9ebed]::visit::walk_crate::<rustc_ast_passes[b35d70ea746bad1b]::ast_validation::AstValidator>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:269:5
  29:     0x7f019e9945cd - rustc_ast_passes[b35d70ea746bad1b]::ast_validation::check_crate
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast_passes/src/ast_validation.rs:1498:5
  30:     0x7f019e9945cd - rustc_interface[bdd613add766aac1]::passes::configure_and_expand::{closure#3}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:274:9
  31:     0x7f019e9945cd - <rustc_data_structures[b02d0c7e382dc253]::profiling::VerboseTimingGuard>::run::<bool, rustc_interface[bdd613add766aac1]::passes::configure_and_expand::{closure#3}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/profiling.rs:752:9
  32:     0x7f019e9945cd - <rustc_session[5a191b6cc5b344a9]::session::Session>::time::<bool, rustc_interface[bdd613add766aac1]::passes::configure_and_expand::{closure#3}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_session/src/utils.rs:11:50
  33:     0x7f019e9945cd - rustc_interface[bdd613add766aac1]::passes::configure_and_expand
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:273:32
  34:     0x7f019e9945cd - rustc_interface[bdd613add766aac1]::passes::resolver_for_lowering
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:571:17
  35:     0x7f019fc0049a - rustc_query_impl[11b733f46d02fd3a]::query_impl::resolver_for_lowering::dynamic_query::{closure#2}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:577:33
  36:     0x7f019fc0049a - rustc_query_impl[11b733f46d02fd3a]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[11b733f46d02fd3a]::query_impl::resolver_for_lowering::dynamic_query::{closure#2}::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:506:18
  37:     0x7f019fc81088 - rustc_query_impl[11b733f46d02fd3a]::query_impl::resolver_for_lowering::dynamic_query::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:574:25
  38:     0x7f019fc81088 - <rustc_query_impl[11b733f46d02fd3a]::query_impl::resolver_for_lowering::dynamic_query::{closure#2} as core[ad2aefeb2646d5e0]::ops::function::FnOnce<(rustc_middle[d3981eb571cac69d]::ty::context::TyCtxt, ())>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
  39:     0x7f019f95afc5 - <rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false> as rustc_query_system[6750db5a630b1ff]::query::config::QueryConfig<rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>>::compute
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/lib.rs:116:9
  40:     0x7f019f95afc5 - rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr::<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:480:72
  41:     0x7f019f95afc5 - rustc_middle[d3981eb571cac69d]::ty::context::tls::enter_context::<rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:82:9
  42:     0x7f019f95afc5 - <std[9f7e6658e0c7b2c6]::thread::local::LocalKey<core[ad2aefeb2646d5e0]::cell::Cell<*const ()>>>::try_with::<rustc_middle[d3981eb571cac69d]::ty::context::tls::enter_context<rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:270:16
  43:     0x7f019f95afc5 - <std[9f7e6658e0c7b2c6]::thread::local::LocalKey<core[ad2aefeb2646d5e0]::cell::Cell<*const ()>>>::with::<rustc_middle[d3981eb571cac69d]::ty::context::tls::enter_context<rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:246:9
  44:     0x7f019f95afc5 - rustc_middle[d3981eb571cac69d]::ty::context::tls::enter_context::<rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:79:9
  45:     0x7f019f95afc5 - <rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt as rustc_query_system[6750db5a630b1ff]::query::QueryContext>::start_query::<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:149:13
  46:     0x7f019f95afc5 - rustc_middle[d3981eb571cac69d]::ty::context::tls::with_related_context::<<rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt as rustc_query_system[6750db5a630b1ff]::query::QueryContext>::start_query<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:133:9
  47:     0x7f019f95afc5 - rustc_middle[d3981eb571cac69d]::ty::context::tls::with_context::<rustc_middle[d3981eb571cac69d]::ty::context::tls::with_related_context<<rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt as rustc_query_system[6750db5a630b1ff]::query::QueryContext>::start_query<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:36
  48:     0x7f019f95afc5 - rustc_middle[d3981eb571cac69d]::ty::context::tls::with_context_opt::<rustc_middle[d3981eb571cac69d]::ty::context::tls::with_context<rustc_middle[d3981eb571cac69d]::ty::context::tls::with_related_context<<rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt as rustc_query_system[6750db5a630b1ff]::query::QueryContext>::start_query<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:100:18
  49:     0x7f019f95afc5 - rustc_middle[d3981eb571cac69d]::ty::context::tls::with_context::<rustc_middle[d3981eb571cac69d]::ty::context::tls::with_related_context<<rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt as rustc_query_system[6750db5a630b1ff]::query::QueryContext>::start_query<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:5
  50:     0x7f019f95afc5 - rustc_middle[d3981eb571cac69d]::ty::context::tls::with_related_context::<<rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt as rustc_query_system[6750db5a630b1ff]::query::QueryContext>::start_query<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:124:5
  51:     0x7f019f95afc5 - <rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt as rustc_query_system[6750db5a630b1ff]::query::QueryContext>::start_query::<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:134:9
  52:     0x7f019f95afc5 - rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job_non_incr::<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:480:18
  53:     0x7f019f95afc5 - rustc_query_system[6750db5a630b1ff]::query::plumbing::execute_job::<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt, false>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:413:9
  54:     0x7f019f95afc5 - rustc_query_system[6750db5a630b1ff]::query::plumbing::try_execute_query::<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt, false>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:358:13
  55:     0x7f019fb3d01c - rustc_query_system[6750db5a630b1ff]::query::plumbing::get_query_non_incr::<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:810:32
  56:     0x7f019fb3d01c - stacker[dd4b9ba84b899798]::maybe_grow::<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6750db5a630b1ff]::query::plumbing::get_query_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/stacker-0.1.15/src/lib.rs:55:9
  57:     0x7f019fb3d01c - rustc_data_structures[b02d0c7e382dc253]::stack::ensure_sufficient_stack::<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[6750db5a630b1ff]::query::plumbing::get_query_non_incr<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
  58:     0x7f019fb3d01c - rustc_query_system[6750db5a630b1ff]::query::plumbing::get_query_non_incr::<rustc_query_impl[11b733f46d02fd3a]::DynamicConfig<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[11b733f46d02fd3a]::plumbing::QueryCtxt>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:810:5
  59:     0x7f019fb3d01c - rustc_query_impl[11b733f46d02fd3a]::query_impl::resolver_for_lowering::get_query_non_incr::__rust_end_short_backtrace
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:554:26
  60:     0x7f019de75c40 - rustc_middle[d3981eb571cac69d]::query::plumbing::query_get_at::<rustc_query_system[6750db5a630b1ff]::query::caches::SingleCache<rustc_middle[d3981eb571cac69d]::query::erase::Erased<[u8; 8usize]>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:155:17
  61:     0x7f019de75c40 - <rustc_middle[d3981eb571cac69d]::query::plumbing::TyCtxtAt>::resolver_for_lowering
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/mod.rs:2178:1
  62:     0x7f019de75c40 - <rustc_middle[d3981eb571cac69d]::ty::context::TyCtxt>::resolver_for_lowering
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:376:35
  63:     0x7f019de75c40 - rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}::{closure#2}::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:392:52
  64:     0x7f019de75c40 - <rustc_middle[d3981eb571cac69d]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}::{closure#2}::{closure#2}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:559:37
  65:     0x7f019de75c40 - rustc_middle[d3981eb571cac69d]::ty::context::tls::enter_context::<<rustc_middle[d3981eb571cac69d]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}::{closure#2}::{closure#2}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>::{closure#0}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:82:9
  66:     0x7f019de75c40 - <std[9f7e6658e0c7b2c6]::thread::local::LocalKey<core[ad2aefeb2646d5e0]::cell::Cell<*const ()>>>::try_with::<rustc_middle[d3981eb571cac69d]::ty::context::tls::enter_context<<rustc_middle[d3981eb571cac69d]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}::{closure#2}::{closure#2}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>::{closure#0}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>::{closure#0}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:270:16
  67:     0x7f019de75c40 - <std[9f7e6658e0c7b2c6]::thread::local::LocalKey<core[ad2aefeb2646d5e0]::cell::Cell<*const ()>>>::with::<rustc_middle[d3981eb571cac69d]::ty::context::tls::enter_context<<rustc_middle[d3981eb571cac69d]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}::{closure#2}::{closure#2}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>::{closure#0}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>::{closure#0}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:246:9
  68:     0x7f019de75c40 - rustc_middle[d3981eb571cac69d]::ty::context::tls::enter_context::<<rustc_middle[d3981eb571cac69d]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}::{closure#2}::{closure#2}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>::{closure#0}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:79:9
  69:     0x7f019de75c40 - <rustc_middle[d3981eb571cac69d]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}::{closure#2}::{closure#2}, &rustc_data_structures[b02d0c7e382dc253]::steal::Steal<(rustc_middle[d3981eb571cac69d]::ty::ResolverAstLowering, alloc[d322003864c16cf5]::rc::Rc<rustc_ast[d85b886c5bb9ebed]::ast::Crate>)>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:559:9
  70:     0x7f019dec4ae8 - rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:392:13
  71:     0x7f019dec4ae8 - <rustc_interface[bdd613add766aac1]::interface::Compiler>::enter::<rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}::{closure#2}, core[ad2aefeb2646d5e0]::result::Result<core[ad2aefeb2646d5e0]::option::Option<rustc_interface[bdd613add766aac1]::queries::Linker>, rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:389:19
  72:     0x7f019de741b3 - rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:353:22
  73:     0x7f019de741b3 - rustc_interface[bdd613add766aac1]::interface::run_compiler::<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:332:21
  74:     0x7f019de741b3 - rustc_span[bce242e8e13946ff]::set_source_map::<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:1034:5
  75:     0x7f019de61c04 - rustc_interface[bdd613add766aac1]::interface::run_compiler::<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:326:13
  76:     0x7f019de61c04 - <scoped_tls[5e59caf9e26823a4]::ScopedKey<rustc_span[bce242e8e13946ff]::SessionGlobals>>::set::<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/scoped-tls-1.0.0/src/lib.rs:137:9
  77:     0x7f019de7c01c - rustc_span[bce242e8e13946ff]::create_session_globals_then::<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:120:5
  78:     0x7f019de7c01c - rustc_interface[bdd613add766aac1]::util::run_in_thread_pool_with_globals::<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:155:38
  79:     0x7f019de7c01c - std[9f7e6658e0c7b2c6]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[bdd613add766aac1]::util::run_in_thread_pool_with_globals<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:135:18
  80:     0x7f019de68a85 - <std[9f7e6658e0c7b2c6]::thread::Builder>::spawn_unchecked_::<rustc_interface[bdd613add766aac1]::util::run_in_thread_pool_with_globals<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#1}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:529:17
  81:     0x7f019de68a85 - <core[ad2aefeb2646d5e0]::panic::unwind_safe::AssertUnwindSafe<<std[9f7e6658e0c7b2c6]::thread::Builder>::spawn_unchecked_<rustc_interface[bdd613add766aac1]::util::run_in_thread_pool_with_globals<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#1}::{closure#0}> as core[ad2aefeb2646d5e0]::ops::function::FnOnce<()>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panic/unwind_safe.rs:271:9
  82:     0x7f019de68a85 - std[9f7e6658e0c7b2c6]::panicking::try::do_call::<core[ad2aefeb2646d5e0]::panic::unwind_safe::AssertUnwindSafe<<std[9f7e6658e0c7b2c6]::thread::Builder>::spawn_unchecked_<rustc_interface[bdd613add766aac1]::util::run_in_thread_pool_with_globals<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:500:40
  83:     0x7f019de68a85 - std[9f7e6658e0c7b2c6]::panicking::try::<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, core[ad2aefeb2646d5e0]::panic::unwind_safe::AssertUnwindSafe<<std[9f7e6658e0c7b2c6]::thread::Builder>::spawn_unchecked_<rustc_interface[bdd613add766aac1]::util::run_in_thread_pool_with_globals<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#1}::{closure#0}>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:464:19
  84:     0x7f019de68a85 - std[9f7e6658e0c7b2c6]::panic::catch_unwind::<core[ad2aefeb2646d5e0]::panic::unwind_safe::AssertUnwindSafe<<std[9f7e6658e0c7b2c6]::thread::Builder>::spawn_unchecked_<rustc_interface[bdd613add766aac1]::util::run_in_thread_pool_with_globals<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:142:14
  85:     0x7f019de68a85 - <std[9f7e6658e0c7b2c6]::thread::Builder>::spawn_unchecked_::<rustc_interface[bdd613add766aac1]::util::run_in_thread_pool_with_globals<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:528:30
  86:     0x7f019de68a85 - <<std[9f7e6658e0c7b2c6]::thread::Builder>::spawn_unchecked_<rustc_interface[bdd613add766aac1]::util::run_in_thread_pool_with_globals<rustc_interface[bdd613add766aac1]::interface::run_compiler<core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>, rustc_driver_impl[137e8ec47d2ed4b4]::run_compiler::{closure#1}>::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ad2aefeb2646d5e0]::result::Result<(), rustc_span[bce242e8e13946ff]::ErrorGuaranteed>>::{closure#1} as core[ad2aefeb2646d5e0]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
  87:     0x7f019b30dcea - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hce91c2cea9ed4f02
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1985:9
  88:     0x7f019b30dcea - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he00e15b27167f2ba
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1985:9
  89:     0x7f019b30c285 - std::sys::unix::thread::Thread::new::thread_start::h5f506801086ccc29
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys/unix/thread.rs:108:17
  90:     0x7f019b49d44b - <unknown>
  91:     0x7f019b520e40 - <unknown>
  92:                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 1.72.0-dev running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [resolver_for_lowering] getting the resolver for lowering
end of query stack
error: aborting due to previous error

Activity

  1. matthiaskrgr
    added
    I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
    T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.
    C-bugCategory: This is a bug.
    requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some way
    on Jun 6, 2023
  2. matthiaskrgr
    changed the title [-]debug ice: `Span must not be empty and have no suggestion'` : span points at nonexisting "where" [/-] [+]debug ice: `Span must not be empty and have no suggestion'` : span points at "where" but is quite off[/+] on Jun 6, 2023

  3. compiler-errors commented on Jun 7, 2023

    @compiler-errors
    compiler-errors
    on Jun 7, 2023
    Contributor

    I think what's happening here is that we recover type Item = [T] where [T]: Sized; as if it were type Item<T> = [T] where [T]: Sized;, but then that generic is not valid. But we suggest removing a totally synthetic generic arg that doesn't exist in reality.

  4. matthiaskrgr
    added a commit that references this issue on Jun 12, 2023

    Rollup merge of rust-lang#112416 - jieyouxu:issue-112363, r=wesleywiser

    8475a88
  5. bors
    closed this as completedin 8475a88on Jun 12, 2023
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    C-bugCategory: This is a bug.I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some way

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions