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ICE unstable certainty: Maybe(..) with -Ztrait-solver=next-coherence + generic_const_exprs #114455

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ICE unstable certainty: Maybe(..) with -Ztrait-solver=next-coherence + generic_const_exprs#114455
Labels
C-bugCategory: This is a bug.F-generic_const_exprs`#![feature(generic_const_exprs)]`I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️P-lowLow priorityT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.WG-trait-system-refactorThe Rustc Trait System Refactor Initiative (-Znext-solver)requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some way

Description

@matthiaskrgr
matthiaskrgr
opened on Aug 4, 2023

Code

rustc -Ztrait-solver=next-coherence

#![feature(generic_const_exprs)]

trait If<const COND: bool> {}
impl If<true> for () {}

trait IsZero<const N: u8> {}

impl<const N: usize> IsZero<N> for () where (): If<{ N == 0 }> {}

trait Foobar<const N: u8> {}

impl<const N: u8> Foobar<N> for () where (): IsZero<N> {}

impl<const N: u8> Foobar<N> for () {}

pub fn main() {}

Meta

rustc --version --verbose:

098c1db7e55e7229a520a2ec8e460e1e300e109b

Error output

warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
 --> treereduce.out:1:12
  |
1 | #![feature(generic_const_exprs)]
  |            ^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
  = note: `#[warn(incomplete_features)]` on by default

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-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.
    F-generic_const_exprs`#![feature(generic_const_exprs)]`
    requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some way
    on Aug 4, 2023
  2. rustbot
    added
    needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging
    on Aug 4, 2023

  3. matthiaskrgr commented on Aug 4, 2023

    @matthiaskrgr
    matthiaskrgr
    on Aug 4, 2023
    MemberAuthor
    Backtrace 

    error: internal compiler error: compiler/rustc_trait_selection/src/solve/eval_ctxt.rs:399:17: unstable certainty: Maybe(
                                    Ambiguity,
                                ) re-canonicalized goal=Canonical {
                                    value: QueryInput {
                                        goal: Goal {
                                            predicate: Binder { value: TraitPredicate(<() as IsZero<{const error}>>, polarity:Positive), bound_vars: [] },
                                            param_env: ParamEnv {
                                                caller_bounds: [],
                                                reveal: UserFacing,
                                            },
                                        },
                                        anchor: Bubble,
                                        predefined_opaques_in_body: PredefinedOpaques(
                                            PredefinedOpaquesData {
                                                opaque_types: [],
                                            },
                                        ),
                                    },
                                    max_universe: U0,
                                    variables: [],
                                } first_response=Canonical {
                                    value: Response {
                                        certainty: Maybe(
                                            Ambiguity,
                                        ),
                                        var_values: CanonicalVarValues {
                                            var_values: [
                                                Const { ty: u8, kind: {const error} },
                                            ],
                                        },
                                        external_constraints: ExternalConstraints(
                                            ExternalConstraintsData {
                                                region_constraints: QueryRegionConstraints {
                                                    outlives: [],
                                                    member_constraints: [],
                                                },
                                                opaque_types: [],
                                            },
                                        ),
                                    },
                                    max_universe: U0,
                                    variables: [],
                                } second_response=Canonical {
                                    value: Response {
                                        certainty: Yes,
                                        var_values: CanonicalVarValues {
                                            var_values: [],
                                        },
                                        external_constraints: ExternalConstraints(
                                            ExternalConstraintsData {
                                                region_constraints: QueryRegionConstraints {
                                                    outlives: [],
                                                    member_constraints: [],
                                                },
                                                opaque_types: [],
                                            },
                                        ),
                                    },
                                    max_universe: U0,
                                    variables: [],
                                }

thread 'rustc' panicked at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/lib.rs:1646:9:
Box<dyn Any>
stack backtrace:
   0:     0x7ffbb90dc5b1 - std::backtrace_rs::backtrace::libunwind::trace::h34d9d7c7f2205a70
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7ffbb90dc5b1 - std::backtrace_rs::backtrace::trace_unsynchronized::hecae733bfc96b619
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7ffbb90dc5b1 - std::sys_common::backtrace::_print_fmt::hed20b48220c8aa56
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x7ffbb90dc5b1 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3003a23036fff767
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7ffbb913c147 - core::fmt::rt::Argument::fmt::h1dc8855cf0be02de
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/rt.rs:138:9
   5:     0x7ffbb913c147 - core::fmt::write::h35c6f281391d7802
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1094:21
   6:     0x7ffbb9091f35 - std::io::Write::write_fmt::h238fe129d4b0e335
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1714:15
   7:     0x7ffbb90dc385 - std::sys_common::backtrace::_print::h67f4be1e77796bbf
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7ffbb90dc385 - std::sys_common::backtrace::print::h8d54a79c4fd6f6cd
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7ffbb90dd7cf - std::panicking::panic_hook_with_disk_dump::{{closure}}::h86f0373a2cc401f7
  10:     0x7ffbb90dd497 - std::panicking::panic_hook_with_disk_dump::h178a3e4dc52b60f5
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:312:9
  11:     0x7ffbbac5c7e0 - rustc_driver_impl[57ce25f3ad9604d4]::install_ice_hook::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:1386:13
  12:     0x7ffbb90de127 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3e9da55906de3832
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2021:9
  13:     0x7ffbb90de127 - std::panicking::rust_panic_with_hook::hf50c8a82c0467f0a
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:733:13
  14:     0x7ffbbbcb4f13 - std[837d16faed8a3e1a]::panicking::begin_panic::<rustc_errors[ba7a0ae2d7188a6c]::ExplicitBug>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:650:9
  15:     0x7ffbbbcb3d16 - std[837d16faed8a3e1a]::sys_common::backtrace::__rust_end_short_backtrace::<std[837d16faed8a3e1a]::panicking::begin_panic<rustc_errors[ba7a0ae2d7188a6c]::ExplicitBug>::{closure#0}, !>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:170:18
  16:     0x7ffbb9b4a746 - std[837d16faed8a3e1a]::panicking::begin_panic::<rustc_errors[ba7a0ae2d7188a6c]::ExplicitBug>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:649:12
  17:     0x7ffbbbd700b7 - std[837d16faed8a3e1a]::panic::panic_any::<rustc_errors[ba7a0ae2d7188a6c]::ExplicitBug>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:63:5
  18:     0x7ffbbbd700b7 - <rustc_errors[ba7a0ae2d7188a6c]::HandlerInner>::bug::<alloc[e392727263c3144b]::string::String>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/lib.rs:1646:9
  19:     0x7ffbbbd6ff2a - <rustc_errors[ba7a0ae2d7188a6c]::Handler>::bug::<alloc[e392727263c3144b]::string::String>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/lib.rs:1059:9
  20:     0x7ffbbbd9156b - rustc_middle[b1c26aa8f3434621]::util::bug::opt_span_bug_fmt::<rustc_span[9fa6c3b49fd024e6]::span_encoding::Span>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/util/bug.rs:35:34
  21:     0x7ffbbbd87614 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_opt::<rustc_middle[b1c26aa8f3434621]::util::bug::opt_span_bug_fmt<rustc_span[9fa6c3b49fd024e6]::span_encoding::Span>::{closure#0}, !>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:154:36
  22:     0x7ffbbbd875b0 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context_opt::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_opt<rustc_middle[b1c26aa8f3434621]::util::bug::opt_span_bug_fmt<rustc_span[9fa6c3b49fd024e6]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  23:     0x7ffbb9b5c040 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_opt::<rustc_middle[b1c26aa8f3434621]::util::bug::opt_span_bug_fmt<rustc_span[9fa6c3b49fd024e6]::span_encoding::Span>::{closure#0}, !>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:154:5
  24:     0x7ffbb9b5c040 - rustc_middle[b1c26aa8f3434621]::util::bug::opt_span_bug_fmt::<rustc_span[9fa6c3b49fd024e6]::span_encoding::Span>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/util/bug.rs:31:5
  25:     0x7ffbb9b5c040 - rustc_middle[b1c26aa8f3434621]::util::bug::bug_fmt
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/util/bug.rs:15:5
  26:     0x7ffbbd086b01 - <rustc_trait_selection[7a2150318ff6c7c4]::solve::eval_ctxt::EvalCtxt>::evaluate_goal
  27:     0x7ffbbd085a19 - <rustc_infer[20d5b6872bc0a8eb]::infer::InferCtxt as rustc_trait_selection[7a2150318ff6c7c4]::solve::eval_ctxt::InferCtxtEvalExt>::evaluate_root_goal::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs:164:13
  28:     0x7ffbbd085a19 - <rustc_trait_selection[7a2150318ff6c7c4]::solve::eval_ctxt::EvalCtxt>::enter_root::<core[1cc32ee8b476061a]::result::Result<(bool, rustc_middle[b1c26aa8f3434621]::traits::solve::Certainty, alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::traits::solve::Goal<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>), rustc_middle[b1c26aa8f3434621]::traits::query::NoSolution>, <rustc_infer[20d5b6872bc0a8eb]::infer::InferCtxt as rustc_trait_selection[7a2150318ff6c7c4]::solve::eval_ctxt::InferCtxtEvalExt>::evaluate_root_goal::{closure#0}::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs:200:22
  29:     0x7ffbbd125896 - <rustc_infer[20d5b6872bc0a8eb]::infer::InferCtxt as rustc_trait_selection[7a2150318ff6c7c4]::solve::eval_ctxt::InferCtxtEvalExt>::evaluate_root_goal::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs:163:9
  30:     0x7ffbbd125896 - <rustc_infer[20d5b6872bc0a8eb]::infer::InferCtxt as rustc_trait_selection[7a2150318ff6c7c4]::solve::eval_ctxt::InferCtxtEvalExt>::evaluate_root_goal
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs:154:5
  31:     0x7ffbbd088684 - <rustc_trait_selection[7a2150318ff6c7c4]::solve::fulfill::FulfillmentCtxt as rustc_infer[20d5b6872bc0a8eb]::traits::engine::TraitEngine>::select_where_possible
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/solve/fulfill.rs:99:27
  32:     0x7ffbbd1210d6 - <rustc_infer[20d5b6872bc0a8eb]::infer::InferCtxt as rustc_trait_selection[7a2150318ff6c7c4]::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/query/evaluate_obligation.rs:76:21
  33:     0x7ffbbd1210d6 - <rustc_infer[20d5b6872bc0a8eb]::infer::InferCtxt>::probe::<core[1cc32ee8b476061a]::result::Result<rustc_middle[b1c26aa8f3434621]::traits::select::EvaluationResult, rustc_middle[b1c26aa8f3434621]::traits::select::OverflowError>, <rustc_infer[20d5b6872bc0a8eb]::infer::InferCtxt as rustc_trait_selection[7a2150318ff6c7c4]::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_infer/src/infer/mod.rs:860:17
  34:     0x7ffbbd1210d6 - <rustc_infer[20d5b6872bc0a8eb]::infer::InferCtxt as rustc_trait_selection[7a2150318ff6c7c4]::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/query/evaluate_obligation.rs:71:13
  35:     0x7ffbbcf711fd - rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/coherence.rs:294:13
  36:     0x7ffbbcf711fd - <&mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0} as core[1cc32ee8b476061a]::ops::function::FnMut<(&rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>,)>>::call_mut
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:294:13
  37:     0x7ffbbcf711fd - core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check::<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/traits/iterator.rs:2768:20
  38:     0x7ffbbcf711fd - core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold::<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/map.rs:91:21
  39:     0x7ffbbcf711fd - <&mut core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0} as core[1cc32ee8b476061a]::ops::function::FnMut<((), &rustc_middle[b1c26aa8f3434621]::ty::Predicate)>>::call_mut
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:294:13
  40:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::slice::iter::Iter<rustc_middle[b1c26aa8f3434621]::ty::Predicate> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::<(), &mut core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}, core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/traits/iterator.rs:2303:21
  41:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::flatten::<core[1cc32ee8b476061a]::slice::iter::Iter<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/flatten.rs:520:30
  42:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _>>::iter_try_fold::flatten::<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::flatten<core[1cc32ee8b476061a]::slice::iter::Iter<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/flatten.rs:378:30
  43:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::<(), <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _>>::iter_try_fold::flatten<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::flatten<core[1cc32ee8b476061a]::slice::iter::Iter<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}, core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/traits/iterator.rs:2303:21
  44:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::iter::adapters::fuse::Fuse<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>> as core[1cc32ee8b476061a]::iter::adapters::fuse::FuseImpl<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>>>::try_fold::<(), <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _>>::iter_try_fold::flatten<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::flatten<core[1cc32ee8b476061a]::slice::iter::Iter<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}, core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/fuse.rs:368:19
  45:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::iter::adapters::fuse::Fuse<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::<(), <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _>>::iter_try_fold::flatten<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::flatten<core[1cc32ee8b476061a]::slice::iter::Iter<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}, core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/fuse.rs:82:9
  46:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>, core[1cc32ee8b476061a]::slice::iter::Iter<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>>::iter_try_fold::<(), <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<_, _> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::flatten<core[1cc32ee8b476061a]::slice::iter::Iter<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}>::{closure#0}, core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/flatten.rs:386:25
  47:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::iter::adapters::flatten::FlattenCompat<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>, core[1cc32ee8b476061a]::slice::iter::Iter<rustc_middle[b1c26aa8f3434621]::ty::Predicate>> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::<(), core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}, core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/flatten.rs:523:9
  48:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::iter::adapters::flatten::Flatten<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::<(), core[1cc32ee8b476061a]::iter::adapters::map::map_try_fold<&rustc_middle[b1c26aa8f3434621]::ty::Predicate, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, (), core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}, core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>::{closure#0}, core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/flatten.rs:214:9
  49:     0x7ffbbcf711fd - <core[1cc32ee8b476061a]::iter::adapters::map::Map<core[1cc32ee8b476061a]::iter::adapters::flatten::Flatten<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::try_fold::<(), core[1cc32ee8b476061a]::iter::traits::iterator::Iterator::find::check<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, &mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}, core[1cc32ee8b476061a]::ops::control_flow::ControlFlow<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/map.rs:117:9
  50:     0x7ffbbd0da111 - <core[1cc32ee8b476061a]::iter::adapters::map::Map<core[1cc32ee8b476061a]::iter::adapters::flatten::Flatten<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::find::<&mut rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/traits/iterator.rs:2772:9
  51:     0x7ffbbd0da111 - <core[1cc32ee8b476061a]::iter::adapters::chain::Chain<core[1cc32ee8b476061a]::iter::adapters::map::Map<core[1cc32ee8b476061a]::iter::adapters::flatten::Flatten<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}>, alloc[e392727263c3144b]::vec::into_iter::IntoIter<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::find::<rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/chain.rs:138:44
  52:     0x7ffbbd0da111 - core[1cc32ee8b476061a]::iter::adapters::chain::and_then_or_clear::<core[1cc32ee8b476061a]::iter::adapters::map::Map<core[1cc32ee8b476061a]::iter::adapters::flatten::Flatten<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}>, rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, <core[1cc32ee8b476061a]::iter::adapters::chain::Chain<core[1cc32ee8b476061a]::iter::adapters::map::Map<core[1cc32ee8b476061a]::iter::adapters::flatten::Flatten<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}>, alloc[e392727263c3144b]::vec::into_iter::IntoIter<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::find<rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/chain.rs:300:13
  53:     0x7ffbbd0da111 - <core[1cc32ee8b476061a]::iter::adapters::chain::Chain<core[1cc32ee8b476061a]::iter::adapters::map::Map<core[1cc32ee8b476061a]::iter::adapters::flatten::Flatten<core[1cc32ee8b476061a]::array::iter::IntoIter<&alloc[e392727263c3144b]::vec::Vec<rustc_middle[b1c26aa8f3434621]::ty::Predicate>, 2usize>>, rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#1}>, alloc[e392727263c3144b]::vec::into_iter::IntoIter<rustc_infer[20d5b6872bc0a8eb]::traits::Obligation<rustc_middle[b1c26aa8f3434621]::ty::Predicate>>> as core[1cc32ee8b476061a]::iter::traits::iterator::Iterator>::find::<rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/iter/adapters/chain.rs:138:9
  54:     0x7ffbbd0da111 - rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::impl_intersection_has_impossible_obligation
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/coherence.rs:306:34
  55:     0x7ffbbd0da111 - rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::overlap
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/coherence.rs:211:12
  56:     0x7ffbbd0d8aa0 - rustc_trait_selection[7a2150318ff6c7c4]::traits::coherence::overlapping_impls
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/coherence.rs:114:41
  57:     0x7ffbbce6920c - <rustc_middle[b1c26aa8f3434621]::traits::specialization_graph::Children as rustc_trait_selection[7a2150318ff6c7c4]::traits::specialize::specialization_graph::ChildrenExt>::insert::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs:150:28
  58:     0x7ffbbce6920c - <rustc_middle[b1c26aa8f3434621]::traits::specialization_graph::Children as rustc_trait_selection[7a2150318ff6c7c4]::traits::specialize::specialization_graph::ChildrenExt>::insert
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs:86:5
  59:     0x7ffbbce6662e - <rustc_middle[b1c26aa8f3434621]::traits::specialization_graph::Graph as rustc_trait_selection[7a2150318ff6c7c4]::traits::specialize::specialization_graph::GraphExt>::insert
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs:311:33
  60:     0x7ffbbd0d3c05 - rustc_trait_selection[7a2150318ff6c7c4]::traits::specialize::specialization_graph_provider
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/specialize/mod.rs:280:33
  61:     0x7ffbbc7258b6 - rustc_query_impl[dd618ca3e3af3dd9]::query_impl::specialization_graph_of::dynamic_query::{closure#2}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:582:47
  62:     0x7ffbbc7258b6 - rustc_query_impl[dd618ca3e3af3dd9]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[dd618ca3e3af3dd9]::query_impl::specialization_graph_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:506:18
  63:     0x7ffbbca122ff - rustc_query_impl[dd618ca3e3af3dd9]::query_impl::specialization_graph_of::dynamic_query::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:578:25
  64:     0x7ffbbca122ff - <rustc_query_impl[dd618ca3e3af3dd9]::query_impl::specialization_graph_of::dynamic_query::{closure#2} as core[1cc32ee8b476061a]::ops::function::FnOnce<(rustc_middle[b1c26aa8f3434621]::ty::context::TyCtxt, rustc_span[9fa6c3b49fd024e6]::def_id::DefId)>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
  65:     0x7ffbbc685e4e - <rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false> as rustc_query_system[c79677dcabff5495]::query::config::QueryConfig<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>>::compute
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/lib.rs:117:9
  66:     0x7ffbbc685e4e - rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:481:72
  67:     0x7ffbbc685e4e - rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context::<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::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
  68:     0x7ffbbc685e4e - <std[837d16faed8a3e1a]::thread::local::LocalKey<core[1cc32ee8b476061a]::cell::Cell<*const ()>>>::try_with::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:270:16
  69:     0x7ffbbc685e4e - <std[837d16faed8a3e1a]::thread::local::LocalKey<core[1cc32ee8b476061a]::cell::Cell<*const ()>>>::with::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:246:9
  70:     0x7ffbbc685e4e - rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context::<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:79:9
  71:     0x7ffbbc685e4e - <rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:149:13
  72:     0x7ffbbc685e4e - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context::<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::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
  73:     0x7ffbbc685e4e - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::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
  74:     0x7ffbbc685e4e - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context_opt::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:100:18
  75:     0x7ffbbc685e4e - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:5
  76:     0x7ffbbc685e4e - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context::<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:124:5
  77:     0x7ffbbc685e4e - <rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:134:9
  78:     0x7ffbbc685e4e - rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:481:18
  79:     0x7ffbbc685e4e - rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt, false>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:414:9
  80:     0x7ffbbc685e4e - rustc_query_system[c79677dcabff5495]::query::plumbing::try_execute_query::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt, false>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:359:13
  81:     0x7ffbbc7ead9a - rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:811:32
  82:     0x7ffbbc7ead9a - stacker[13632619fe1702]::maybe_grow::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/stacker-0.1.15/src/lib.rs:55:9
  83:     0x7ffbbc7ead9a - rustc_data_structures[cf1f0cf08f0ae700]::stack::ensure_sufficient_stack::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
  84:     0x7ffbbc7ead9a - rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:811:5
  85:     0x7ffbbc7ead9a - rustc_query_impl[dd618ca3e3af3dd9]::query_impl::specialization_graph_of::get_query_non_incr::__rust_end_short_backtrace
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:556:26
  86:     0x7ffbbb06f9ed - rustc_middle[b1c26aa8f3434621]::query::plumbing::query_ensure::<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 8usize]>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:171:9
  87:     0x7ffbbb06f9ed - <rustc_middle[b1c26aa8f3434621]::query::plumbing::TyCtxtEnsure>::specialization_graph_of::<rustc_span[9fa6c3b49fd024e6]::def_id::DefId>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:346:17
  88:     0x7ffbbb06f9ed - rustc_hir_analysis[c6df8bb239c9a6ba]::coherence::coherent_trait
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_analysis/src/coherence/mod.rs:121:5
  89:     0x7ffbbc710647 - rustc_query_impl[dd618ca3e3af3dd9]::query_impl::coherent_trait::dynamic_query::{closure#2}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:582:47
  90:     0x7ffbbc710647 - rustc_query_impl[dd618ca3e3af3dd9]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[dd618ca3e3af3dd9]::query_impl::coherent_trait::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:506:18
  91:     0x7ffbbc9b7cef - rustc_query_impl[dd618ca3e3af3dd9]::query_impl::coherent_trait::dynamic_query::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:578:25
  92:     0x7ffbbc9b7cef - <rustc_query_impl[dd618ca3e3af3dd9]::query_impl::coherent_trait::dynamic_query::{closure#2} as core[1cc32ee8b476061a]::ops::function::FnOnce<(rustc_middle[b1c26aa8f3434621]::ty::context::TyCtxt, rustc_span[9fa6c3b49fd024e6]::def_id::DefId)>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
  93:     0x7ffbbc676c5a - <rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false> as rustc_query_system[c79677dcabff5495]::query::config::QueryConfig<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>>::compute
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/lib.rs:117:9
  94:     0x7ffbbc676c5a - rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:481:72
  95:     0x7ffbbc676c5a - rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context::<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:82:9
  96:     0x7ffbbc676c5a - <std[837d16faed8a3e1a]::thread::local::LocalKey<core[1cc32ee8b476061a]::cell::Cell<*const ()>>>::try_with::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:270:16
  97:     0x7ffbbc676c5a - <std[837d16faed8a3e1a]::thread::local::LocalKey<core[1cc32ee8b476061a]::cell::Cell<*const ()>>>::with::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:246:9
  98:     0x7ffbbc676c5a - rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context::<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:79:9
  99:     0x7ffbbc676c5a - <rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:149:13
 100:     0x7ffbbc676c5a - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context::<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:133:9
 101:     0x7ffbbc676c5a - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:36
 102:     0x7ffbbc676c5a - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context_opt::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:100:18
 103:     0x7ffbbc676c5a - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:5
 104:     0x7ffbbc676c5a - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context::<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:124:5
 105:     0x7ffbbc676c5a - <rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:134:9
 106:     0x7ffbbc676c5a - rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:481:18
 107:     0x7ffbbc676c5a - rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt, false>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:414:9
 108:     0x7ffbbc676c5a - rustc_query_system[c79677dcabff5495]::query::plumbing::try_execute_query::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt, false>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:359:13
 109:     0x7ffbbc884766 - rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:811:32
 110:     0x7ffbbc884766 - stacker[13632619fe1702]::maybe_grow::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/stacker-0.1.15/src/lib.rs:55:9
 111:     0x7ffbbc884766 - rustc_data_structures[cf1f0cf08f0ae700]::stack::ensure_sufficient_stack::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
 112:     0x7ffbbc884766 - rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:811:5
 113:     0x7ffbbc884766 - rustc_query_impl[dd618ca3e3af3dd9]::query_impl::coherent_trait::get_query_non_incr::__rust_end_short_backtrace
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:556:26
 114:     0x7ffbbb14f20a - rustc_middle[b1c26aa8f3434621]::query::plumbing::query_ensure::<rustc_query_system[c79677dcabff5495]::query::caches::DefaultCache<rustc_span[9fa6c3b49fd024e6]::def_id::DefId, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 0usize]>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:171:9
 115:     0x7ffbbb14f20a - <rustc_middle[b1c26aa8f3434621]::query::plumbing::TyCtxtEnsure>::coherent_trait::<rustc_span[9fa6c3b49fd024e6]::def_id::DefId>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:346:17
 116:     0x7ffbbb14f20a - rustc_hir_analysis[c6df8bb239c9a6ba]::check_crate::{closure#3}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_analysis/src/lib.rs:214:17
 117:     0x7ffbbb14f20a - <rustc_data_structures[cf1f0cf08f0ae700]::profiling::VerboseTimingGuard>::run::<(), rustc_hir_analysis[c6df8bb239c9a6ba]::check_crate::{closure#3}::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/profiling.rs:752:9
 118:     0x7ffbbb14f20a - <rustc_session[4fa43acd620e3c84]::session::Session>::time::<(), rustc_hir_analysis[c6df8bb239c9a6ba]::check_crate::{closure#3}::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_session/src/utils.rs:12:9
 119:     0x7ffbbb14f20a - rustc_hir_analysis[c6df8bb239c9a6ba]::check_crate::{closure#3}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_analysis/src/lib.rs:212:9
 120:     0x7ffbbb14f20a - <rustc_session[4fa43acd620e3c84]::session::Session>::track_errors::<rustc_hir_analysis[c6df8bb239c9a6ba]::check_crate::{closure#3}, ()>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_session/src/session.rs:626:22
 121:     0x7ffbbb14f20a - rustc_hir_analysis[c6df8bb239c9a6ba]::check_crate
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_analysis/src/lib.rs:211:5
 122:     0x7ffbbb803b44 - rustc_interface[8ae2cb733cafca88]::passes::analysis
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:788:5
 123:     0x7ffbbc72dfb1 - rustc_query_impl[dd618ca3e3af3dd9]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:582:47
 124:     0x7ffbbc72dfb1 - rustc_query_impl[dd618ca3e3af3dd9]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[dd618ca3e3af3dd9]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:506:18
 125:     0x7ffbbc91afb7 - rustc_query_impl[dd618ca3e3af3dd9]::query_impl::analysis::dynamic_query::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:578:25
 126:     0x7ffbbc91afb7 - <rustc_query_impl[dd618ca3e3af3dd9]::query_impl::analysis::dynamic_query::{closure#2} as core[1cc32ee8b476061a]::ops::function::FnOnce<(rustc_middle[b1c26aa8f3434621]::ty::context::TyCtxt, ())>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
 127:     0x7ffbbc642110 - <rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false> as rustc_query_system[c79677dcabff5495]::query::config::QueryConfig<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>>::compute
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/lib.rs:117:9
 128:     0x7ffbbc642110 - rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:481:72
 129:     0x7ffbbc642110 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context::<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:82:9
 130:     0x7ffbbc642110 - <std[837d16faed8a3e1a]::thread::local::LocalKey<core[1cc32ee8b476061a]::cell::Cell<*const ()>>>::try_with::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:270:16
 131:     0x7ffbbc642110 - <std[837d16faed8a3e1a]::thread::local::LocalKey<core[1cc32ee8b476061a]::cell::Cell<*const ()>>>::with::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:246:9
 132:     0x7ffbbc642110 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context::<rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:79:9
 133:     0x7ffbbc642110 - <rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:149:13
 134:     0x7ffbbc642110 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context::<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:133:9
 135:     0x7ffbbc642110 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:36
 136:     0x7ffbbc642110 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context_opt::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:100:18
 137:     0x7ffbbc642110 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_context::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:5
 138:     0x7ffbbc642110 - rustc_middle[b1c26aa8f3434621]::ty::context::tls::with_related_context::<<rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:124:5
 139:     0x7ffbbc642110 - <rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt as rustc_query_system[c79677dcabff5495]::query::QueryContext>::start_query::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:134:9
 140:     0x7ffbbc642110 - rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:481:18
 141:     0x7ffbbc642110 - rustc_query_system[c79677dcabff5495]::query::plumbing::execute_job::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt, false>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:414:9
 142:     0x7ffbbc642110 - rustc_query_system[c79677dcabff5495]::query::plumbing::try_execute_query::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt, false>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:359:13
 143:     0x7ffbbc91df12 - rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:811:32
 144:     0x7ffbbc91df12 - stacker[13632619fe1702]::maybe_grow::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/stacker-0.1.15/src/lib.rs:55:9
 145:     0x7ffbbc91df12 - rustc_data_structures[cf1f0cf08f0ae700]::stack::ensure_sufficient_stack::<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
 146:     0x7ffbbc91df12 - rustc_query_system[c79677dcabff5495]::query::plumbing::get_query_non_incr::<rustc_query_impl[dd618ca3e3af3dd9]::DynamicConfig<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[dd618ca3e3af3dd9]::plumbing::QueryCtxt>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:811:5
 147:     0x7ffbbc91df12 - rustc_query_impl[dd618ca3e3af3dd9]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:556:26
 148:     0x7ffbbac7cd6d - rustc_middle[b1c26aa8f3434621]::query::plumbing::query_get_at::<rustc_query_system[c79677dcabff5495]::query::caches::SingleCache<rustc_middle[b1c26aa8f3434621]::query::erase::Erased<[u8; 1usize]>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:155:17
 149:     0x7ffbbac7cd6d - <rustc_middle[b1c26aa8f3434621]::query::plumbing::TyCtxtAt>::analysis
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/mod.rs:2213:1
 150:     0x7ffbbac7cd6d - <rustc_middle[b1c26aa8f3434621]::ty::context::TyCtxt>::analysis
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:376:35
 151:     0x7ffbbac7cd6d - rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}::{closure#4}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:444:52
 152:     0x7ffbbac7cd6d - <rustc_middle[b1c26aa8f3434621]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:587:37
 153:     0x7ffbbac7cd6d - rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context::<<rustc_middle[b1c26aa8f3434621]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:82:9
 154:     0x7ffbbac7cd6d - <std[837d16faed8a3e1a]::thread::local::LocalKey<core[1cc32ee8b476061a]::cell::Cell<*const ()>>>::try_with::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context<<rustc_middle[b1c26aa8f3434621]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:270:16
 155:     0x7ffbbac7cd6d - <std[837d16faed8a3e1a]::thread::local::LocalKey<core[1cc32ee8b476061a]::cell::Cell<*const ()>>>::with::<rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context<<rustc_middle[b1c26aa8f3434621]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:246:9
 156:     0x7ffbbac7cd6d - rustc_middle[b1c26aa8f3434621]::ty::context::tls::enter_context::<<rustc_middle[b1c26aa8f3434621]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:79:9
 157:     0x7ffbbac7cd6d - <rustc_middle[b1c26aa8f3434621]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:587:9
 158:     0x7ffbbac7cd6d - <rustc_interface[8ae2cb733cafca88]::queries::QueryResult<&rustc_middle[b1c26aa8f3434621]::ty::context::GlobalCtxt>>::enter::<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}::{closure#4}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:71:9
 159:     0x7ffbbaca2cc3 - rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:444:13
 160:     0x7ffbbaca2cc3 - <rustc_interface[8ae2cb733cafca88]::interface::Compiler>::enter::<rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}::{closure#2}, core[1cc32ee8b476061a]::result::Result<core[1cc32ee8b476061a]::option::Option<rustc_interface[8ae2cb733cafca88]::queries::Linker>, rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:389:19
 161:     0x7ffbbaca2cc3 - rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:385:22
 162:     0x7ffbbaca2cc3 - rustc_interface[8ae2cb733cafca88]::interface::run_compiler::<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:339:21
 163:     0x7ffbbaca2cc3 - rustc_span[9fa6c3b49fd024e6]::set_source_map::<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:1042:5
 164:     0x7ffbbac8b84d - rustc_interface[8ae2cb733cafca88]::interface::run_compiler::<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:333:13
 165:     0x7ffbbac8b84d - <scoped_tls[63aa9906a2b9d3f0]::ScopedKey<rustc_span[9fa6c3b49fd024e6]::SessionGlobals>>::set::<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/scoped-tls-1.0.1/src/lib.rs:137:9
 166:     0x7ffbbacca733 - rustc_span[9fa6c3b49fd024e6]::create_session_globals_then::<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:121:5
 167:     0x7ffbbacca733 - rustc_interface[8ae2cb733cafca88]::util::run_in_thread_pool_with_globals::<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:163:38
 168:     0x7ffbbacca733 - std[837d16faed8a3e1a]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[8ae2cb733cafca88]::util::run_in_thread_pool_with_globals<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:154:18
 169:     0x7ffbbac942a3 - <std[837d16faed8a3e1a]::thread::Builder>::spawn_unchecked_::<rustc_interface[8ae2cb733cafca88]::util::run_in_thread_pool_with_globals<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#1}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:529:17
 170:     0x7ffbbac942a3 - <core[1cc32ee8b476061a]::panic::unwind_safe::AssertUnwindSafe<<std[837d16faed8a3e1a]::thread::Builder>::spawn_unchecked_<rustc_interface[8ae2cb733cafca88]::util::run_in_thread_pool_with_globals<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#1}::{closure#0}> as core[1cc32ee8b476061a]::ops::function::FnOnce<()>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panic/unwind_safe.rs:271:9
 171:     0x7ffbbac942a3 - std[837d16faed8a3e1a]::panicking::try::do_call::<core[1cc32ee8b476061a]::panic::unwind_safe::AssertUnwindSafe<<std[837d16faed8a3e1a]::thread::Builder>::spawn_unchecked_<rustc_interface[8ae2cb733cafca88]::util::run_in_thread_pool_with_globals<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:524:40
 172:     0x7ffbbac942a3 - std[837d16faed8a3e1a]::panicking::try::<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, core[1cc32ee8b476061a]::panic::unwind_safe::AssertUnwindSafe<<std[837d16faed8a3e1a]::thread::Builder>::spawn_unchecked_<rustc_interface[8ae2cb733cafca88]::util::run_in_thread_pool_with_globals<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#1}::{closure#0}>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:488:19
 173:     0x7ffbbac942a3 - std[837d16faed8a3e1a]::panic::catch_unwind::<core[1cc32ee8b476061a]::panic::unwind_safe::AssertUnwindSafe<<std[837d16faed8a3e1a]::thread::Builder>::spawn_unchecked_<rustc_interface[8ae2cb733cafca88]::util::run_in_thread_pool_with_globals<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:142:14
 174:     0x7ffbbac942a3 - <std[837d16faed8a3e1a]::thread::Builder>::spawn_unchecked_::<rustc_interface[8ae2cb733cafca88]::util::run_in_thread_pool_with_globals<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:528:30
 175:     0x7ffbbac942a3 - <<std[837d16faed8a3e1a]::thread::Builder>::spawn_unchecked_<rustc_interface[8ae2cb733cafca88]::util::run_in_thread_pool_with_globals<rustc_interface[8ae2cb733cafca88]::interface::run_compiler<core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>, rustc_driver_impl[57ce25f3ad9604d4]::run_compiler::{closure#1}>::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1cc32ee8b476061a]::result::Result<(), rustc_span[9fa6c3b49fd024e6]::ErrorGuaranteed>>::{closure#1} as core[1cc32ee8b476061a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
 176:     0x7ffbb90dff7e - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3d64e11452333409
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2007:9
 177:     0x7ffbb90dff7e - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb3221d25ce34cd99
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2007:9
 178:     0x7ffbb90dff7e - std::sys::unix::thread::Thread::new::thread_start::h5a3bfae6c52bc960
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys/unix/thread.rs:108:17
 179:     0x7ffbb8e9e44b - <unknown>
 180:     0x7ffbb8f21e40 - <unknown>
 181:                0x0 - <unknown>

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: please attach the file at `/tmp/im/rustc-ice-2023-08-04T10:05:53.671719734Z-912613.txt` to your bug report

note: compiler flags: -Z trait-solver=next-coherence

query stack during panic:
#0 [specialization_graph_of] building specialization graph of trait `Foobar`
#1 [coherent_trait] coherence checking all impls of trait `Foobar`
#2 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to previous error; 1 warning emitted

  4. lcnr
    added
    WG-trait-system-refactorThe Rustc Trait System Refactor Initiative (-Znext-solver)
    on Aug 4, 2023
  5. Noratrieb
    removed
    needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging
    on Aug 4, 2023

  6. Noratrieb commented on Aug 4, 2023

    @Noratrieb
    Noratrieb
    on Aug 4, 2023
    Member

    The new solver is currently not really in a state where it makes sense to fuzz it AFAIK, especially with other known broken features like generic_const_exprs, so you shouldn't fuzz the new solver yet.

  7. workingjubilee
    added
    requires-incomplete-features
    on Jun 6, 2024
  8. fmease
    added
    P-lowLow priority
    on Jun 3, 2025
  9. cyrgani
    removed
    requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.
    requires-incomplete-features
    on Dec 12, 2025

  10. lcnr commented on Oct 8, 2026

    @lcnr
    lcnr
    on Oct 8, 2026
    Contributor

    next-solver does not support gce, cc #160895

  11. lcnr
    closed this as completedon Oct 8, 2026
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    C-bugCategory: This is a bug.F-generic_const_exprs`#![feature(generic_const_exprs)]`I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️P-lowLow priorityT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.WG-trait-system-refactorThe Rustc Trait System Refactor Initiative (-Znext-solver)requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some way

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