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[ICE]: attribute args were not properly checked #159886

Description

@matthiaskrgr

snippet:

#[diagnostic::on_unmatched_args(message)]
macro_rules! pair {
    () => {};
}
fn main() {}

Version information

rustc 1.99.0-nightly (da86f4d07 2026-07-24)
binary: rustc
commit-hash: da86f4d0726be475afbbffe40cb2f65741c51ad3
commit-date: 2026-07-24
host: x86_64-unknown-linux-gnu
release: 1.99.0-nightly
LLVM version: 22.1.8

Command:
/home/matthias/.rustup/toolchains/alt-master/bin/rustc

Program output

warning: unknown diagnostic attribute
 --> /tmp/icemaker_global_tempdir.XHgN8MQsfrLf/rustc_testrunner_tmpdir_reporting.Y0n4zQu6XKx8/mvce.rs:1:15
  |
1 | #[diagnostic::on_unmatched_args(message)]
  |               ^^^^^^^^^^^^^^^^^
  |
  = help: add `#![feature(diagnostic_on_unmatched_args)]` to the crate attributes to enable
  = note: `#[warn(unknown_diagnostic_attributes)]` (part of `#[warn(unknown_or_malformed_diagnostic_attributes)]`) on by default

warning: unused macro definition: `pair`
 --> /tmp/icemaker_global_tempdir.XHgN8MQsfrLf/rustc_testrunner_tmpdir_reporting.Y0n4zQu6XKx8/mvce.rs:2:14
  |
2 | macro_rules! pair {
  |              ^^^^
  |
  = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default

warning: 2 warnings emitted

note: no errors encountered even though delayed bugs were created

note: those delayed bugs will now be shown as internal compiler errors

error: internal compiler error: attribute args were not properly checked
 --> /tmp/icemaker_global_tempdir.XHgN8MQsfrLf/rustc_testrunner_tmpdir_reporting.Y0n4zQu6XKx8/mvce.rs:1:33
  |
1 | #[diagnostic::on_unmatched_args(message)]
  |                                 ^^^^^^^
  |
note: delayed at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_attr_parsing/src/interface.rs:513:36
         0: <rustc_errors::DiagCtxtInner>::emit_diagnostic
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/lib.rs:1275:41
         1: <rustc_errors::DiagCtxtHandle>::emit_diagnostic
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/lib.rs:868:33
         2: <rustc_errors::diagnostic::Diag>::emit_producing_error_guaranteed
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/diagnostic.rs:1325:29
         3: <rustc_span::ErrorGuaranteed as rustc_errors::diagnostic::EmissionGuarantee>::emit_producing_guarantee
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/diagnostic.rs:39:14
         4: <rustc_errors::diagnostic::Diag>::emit
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/diagnostic.rs:1332:9
         5: <rustc_errors::DiagCtxtHandle>::span_delayed_bug::<rustc_span::span_encoding::Span, &str>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/lib.rs:1089:82
         6: <rustc_attr_parsing::interface::AttributeParser>::parse_attribute_list::<core::convert::identity<rustc_span::span_encoding::Span>, <rustc_resolve::def_collector::DefCollector as rustc_ast::visit::Visitor>::visit_item::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_attr_parsing/src/interface.rs:420:42
         7: <rustc_resolve::def_collector::DefCollector as rustc_ast::visit::Visitor>::visit_item
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_resolve/src/def_collector.rs:186:36
         8: <rustc_expand::expand::AstFragment>::visit_with::<rustc_resolve::def_collector::DefCollector>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_expand/src/expand.rs:161:52
         9: rustc_resolve::def_collector::collect_definitions::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_resolve/src/def_collector.rs:33:18
        10: rustc_resolve::with_owner_tables::<rustc_resolve::Resolver, &core::cell::Cell<rustc_resolve::macros::MacroRulesScope>, rustc_resolve::def_collector::collect_definitions::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_resolve/src/lib.rs:2635:15
        11: rustc_resolve::with_owner::<rustc_resolve::Resolver, &core::cell::Cell<rustc_resolve::macros::MacroRulesScope>, rustc_resolve::def_collector::collect_definitions::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_resolve/src/lib.rs:2622:5
        12: rustc_resolve::def_collector::collect_definitions
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_resolve/src/def_collector.rs:31:5
        13: <rustc_resolve::Resolver as rustc_expand::base::ResolverExpand>::visit_ast_fragment_with_placeholders
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_resolve/src/macros.rs:191:40
        14: <rustc_expand::expand::MacroExpander>::collect_invocations
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_expand/src/expand.rs:654:18
        15: <rustc_expand::expand::MacroExpander>::fully_expand_fragment
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_expand/src/expand.rs:574:30
        16: <rustc_expand::expand::MacroExpander>::expand_crate
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_expand/src/expand.rs:465:26
        17: rustc_interface::passes::configure_and_expand::{closure#1}::{closure#2}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_interface/src/passes.rs:216:75
        18: <rustc_data_structures::profiling::VerboseTimingGuard>::run::<rustc_ast::ast::Crate, rustc_interface::passes::configure_and_expand::{closure#1}::{closure#2}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_data_structures/src/profiling.rs:845:9
        19: <rustc_session::session::Session>::time::<rustc_ast::ast::Crate, rustc_interface::passes::configure_and_expand::{closure#1}::{closure#2}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_session/src/utils.rs:17:50
        20: rustc_interface::passes::configure_and_expand::{closure#1}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_interface/src/passes.rs:216:26
        21: <rustc_data_structures::profiling::VerboseTimingGuard>::run::<rustc_ast::ast::Crate, rustc_interface::passes::configure_and_expand::{closure#1}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_data_structures/src/profiling.rs:845:9
        22: <rustc_session::session::Session>::time::<rustc_ast::ast::Crate, rustc_interface::passes::configure_and_expand::{closure#1}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_session/src/utils.rs:17:50
        23: rustc_interface::passes::configure_and_expand
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_interface/src/passes.rs:164:18
        24: rustc_interface::passes::resolver_for_lowering_raw
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_interface/src/passes.rs:803:17
        25: rustc_query_impl::query_impl::resolver_for_lowering_raw::invoke_provider_fn::__rust_begin_short_backtrace
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/query_impl.rs:118:46
        26: rustc_query_impl::execution::execute_job_non_incr::<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:422:59
        27: rustc_middle::ty::context::tls::enter_context::<rustc_query_impl::execution::execute_job_non_incr<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:56:9
        28: <std::thread::local::LocalKey<core::cell::Cell<*const ()>>>::try_with::<rustc_middle::ty::context::tls::enter_context<rustc_query_impl::execution::execute_job_non_incr<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/thread/local.rs:464:12
        29: <std::thread::local::LocalKey<core::cell::Cell<*const ()>>>::with::<rustc_middle::ty::context::tls::enter_context<rustc_query_impl::execution::execute_job_non_incr<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/thread/local.rs:428:20
        30: rustc_middle::ty::context::tls::enter_context::<rustc_query_impl::execution::execute_job_non_incr<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:53:9
        31: rustc_query_impl::plumbing::start_query::<rustc_middle::query::erase::ErasedData<[u8; 24]>, rustc_query_impl::execution::execute_job_non_incr<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/plumbing.rs:74:9
        32: rustc_middle::ty::context::tls::with_context::<rustc_query_impl::plumbing::start_query<rustc_middle::query::erase::ErasedData<[u8; 24]>, rustc_query_impl::execution::execute_job_non_incr<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:86:36
        33: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_context<rustc_query_impl::plumbing::start_query<rustc_middle::query::erase::ErasedData<[u8; 24]>, rustc_query_impl::execution::execute_job_non_incr<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:75:18
        34: rustc_middle::ty::context::tls::with_context::<rustc_query_impl::plumbing::start_query<rustc_middle::query::erase::ErasedData<[u8; 24]>, rustc_query_impl::execution::execute_job_non_incr<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 24]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:86:5
        35: rustc_query_impl::plumbing::start_query::<rustc_middle::query::erase::ErasedData<[u8; 24]>, rustc_query_impl::execution::execute_job_non_incr<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/plumbing.rs:61:5
        36: rustc_query_impl::execution::execute_job_non_incr::<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:422:17
        37: rustc_query_impl::execution::try_execute_query::<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>, false>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:330:17
        38: rustc_query_impl::execution::execute_query_non_incr_inner::<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:616:32
        39: stacker::maybe_grow::<rustc_middle::query::erase::ErasedData<[u8; 24]>, rustc_query_impl::execution::execute_query_non_incr_inner<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}>
                   at /rust/deps/stacker-0.1.21/src/lib.rs:57:9
        40: rustc_data_structures::stack::ensure_sufficient_stack::<rustc_middle::query::erase::ErasedData<[u8; 24]>, rustc_query_impl::execution::execute_query_non_incr_inner<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_data_structures/src/stack.rs:21:5
        41: rustc_query_impl::execution::execute_query_non_incr_inner::<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:616:5
        42: rustc_query_impl::query_impl::resolver_for_lowering_raw::execute_query_non_incr::__rust_end_short_backtrace
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/query_impl.rs:82:30
        43: rustc_middle::query::inner::query_get_at::<rustc_middle::query::caches::SingleCache<rustc_middle::query::erase::ErasedData<[u8; 24]>>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/query/inner.rs:45:17
        44: <rustc_middle::query::plumbing::TyCtxtAt>::resolver_for_lowering_raw
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/query/plumbing.rs:564:46
        45: <rustc_middle::ty::context::TyCtxt>::resolver_for_lowering_raw
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/query/plumbing.rs:552:39
        46: <rustc_middle::ty::context::TyCtxt>::resolver_for_lowering
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context.rs:2776:41
        47: rustc_driver_impl::run_compiler::{closure#0}::{closure#1}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_driver_impl/src/lib.rs:294:25
        48: rustc_interface::passes::create_and_enter_global_ctxt::<core::option::Option<rustc_interface::queries::Linker>, rustc_driver_impl::run_compiler::{closure#0}::{closure#1}>::{closure#2}::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_interface/src/passes.rs:1035:80
        49: <core::panic::unwind_safe::AssertUnwindSafe<rustc_interface::passes::create_and_enter_global_ctxt<core::option::Option<rustc_interface::queries::Linker>, rustc_driver_impl::run_compiler::{closure#0}::{closure#1}>::{closure#2}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/core/src/panic/unwind_safe.rs:275:9
    
    < snip >
    
    
        80: std::thread::lifecycle::spawn_unchecked::<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<(), rustc_driver_impl::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/thread/lifecycle.rs:68:26
        81: <std::thread::lifecycle::spawn_unchecked<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<(), rustc_driver_impl::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/core/src/ops/function.rs:250:5
        82: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
                   at /rustc/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/alloc/src/boxed.rs:2326:9
        83: <std::sys::thread::unix::Thread>::new::thread_start
                   at /rustc/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/sys/thread/unix.rs:123:17
        84: <unknown>
        85: <unknown>
      
 --> /tmp/icemaker_global_tempdir.XHgN8MQsfrLf/rustc_testrunner_tmpdir_reporting.Y0n4zQu6XKx8/mvce.rs:1:33
  |
1 | #[diagnostic::on_unmatched_args(message)]
  |                                 ^^^^^^^

error: internal compiler error: attribute args were not properly checked
 --> /tmp/icemaker_global_tempdir.XHgN8MQsfrLf/rustc_testrunner_tmpdir_reporting.Y0n4zQu6XKx8/mvce.rs:1:33
  |
1 | #[diagnostic::on_unmatched_args(message)]
  |                                 ^^^^^^^
  |
note: delayed at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_attr_parsing/src/interface.rs:513:36
         0: <rustc_errors::DiagCtxtInner>::emit_diagnostic
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/lib.rs:1275:41
         1: <rustc_errors::DiagCtxtHandle>::emit_diagnostic
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/lib.rs:868:33
         2: <rustc_errors::diagnostic::Diag>::emit_producing_error_guaranteed
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/diagnostic.rs:1325:29
         3: <rustc_span::ErrorGuaranteed as rustc_errors::diagnostic::EmissionGuarantee>::emit_producing_guarantee
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/diagnostic.rs:39:14
         4: <rustc_errors::diagnostic::Diag>::emit
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/diagnostic.rs:1332:9
         5: <rustc_errors::DiagCtxtHandle>::span_delayed_bug::<rustc_span::span_encoding::Span, &str>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_errors/src/lib.rs:1089:82
         6: <rustc_attr_parsing::interface::AttributeParser>::parse_attribute_list::<<rustc_ast_lowering::LoweringContext>::lower_attrs_vec::{closure#0}, <rustc_ast_lowering::LoweringContext>::lower_attrs_vec::{closure#1}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_attr_parsing/src/interface.rs:420:42
         7: <rustc_ast_lowering::LoweringContext>::lower_attrs_vec
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_ast_lowering/src/lib.rs:1226:31
         8: <rustc_ast_lowering::LoweringContext>::lower_attrs_with_extra
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_ast_lowering/src/lib.rs:1197:22
         9: <rustc_ast_lowering::LoweringContext>::lower_item
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_ast_lowering/src/item.rs:212:26
        10: <rustc_ast_lowering::item::ItemLowerer>::lower_item::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_ast_lowering/src/item.rs:83:66
        11: <rustc_ast_lowering::item::ItemLowerer>::with_lctx::<<rustc_ast_lowering::item::ItemLowerer>::lower_item::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_ast_lowering/src/item.rs:63:20
        12: <rustc_ast_lowering::item::ItemLowerer>::lower_item
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_ast_lowering/src/item.rs:83:14
        13: rustc_ast_lowering::lower_to_hir
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_ast_lowering/src/lib.rs:695:46
        14: rustc_query_impl::query_impl::lower_to_hir::invoke_provider_fn::__rust_begin_short_backtrace
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/query_impl.rs:118:46
        15: rustc_query_impl::execution::execute_job_non_incr::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:422:59
        16: rustc_middle::ty::context::tls::enter_context::<rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:56:9
        17: <std::thread::local::LocalKey<core::cell::Cell<*const ()>>>::try_with::<rustc_middle::ty::context::tls::enter_context<rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/thread/local.rs:464:12
        18: <std::thread::local::LocalKey<core::cell::Cell<*const ()>>>::with::<rustc_middle::ty::context::tls::enter_context<rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/thread/local.rs:428:20
        19: rustc_middle::ty::context::tls::enter_context::<rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:53:9
        20: rustc_query_impl::plumbing::start_query::<rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/plumbing.rs:74:9
        21: rustc_middle::ty::context::tls::with_context::<rustc_query_impl::plumbing::start_query<rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:86:36
        22: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_context<rustc_query_impl::plumbing::start_query<rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:75:18
        23: rustc_middle::ty::context::tls::with_context::<rustc_query_impl::plumbing::start_query<rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 16]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:86:5
        24: rustc_query_impl::plumbing::start_query::<rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/plumbing.rs:61:5
        25: rustc_query_impl::execution::execute_job_non_incr::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:422:17
        26: rustc_query_impl::execution::try_execute_query::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>, false>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:330:17
        27: rustc_query_impl::execution::execute_query_non_incr_inner::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:616:32
        28: stacker::maybe_grow::<rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_query_impl::execution::execute_query_non_incr_inner<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>
                   at /rust/deps/stacker-0.1.21/src/lib.rs:57:9
        29: rustc_data_structures::stack::ensure_sufficient_stack::<rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_query_impl::execution::execute_query_non_incr_inner<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_data_structures/src/stack.rs:21:5
        30: rustc_query_impl::execution::execute_query_non_incr_inner::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:616:5
        31: rustc_query_impl::query_impl::lower_to_hir::execute_query_non_incr::__rust_end_short_backtrace
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/query_impl.rs:82:30
        32: rustc_middle::query::inner::query_get_at::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 16]>, rustc_middle::dep_graph::graph::DepNodeIndex>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/query/inner.rs:45:17
        33: <rustc_middle::query::plumbing::TyCtxtAt>::lower_to_hir::<rustc_span::def_id::LocalDefId>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/query/plumbing.rs:564:46
        34: <rustc_middle::ty::context::TyCtxt>::lower_to_hir::<rustc_span::def_id::LocalDefId>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/query/plumbing.rs:552:39
        35: rustc_middle::hir::provide::{closure#1}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/hir/mod.rs:458:70
        36: <rustc_middle::hir::provide::{closure#1} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/core/src/ops/function.rs:250:5
        37: rustc_query_impl::query_impl::hir_owner::invoke_provider_fn::__rust_begin_short_backtrace
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/query_impl.rs:118:46
        38: rustc_query_impl::execution::execute_job_non_incr::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:422:59
        39: rustc_middle::ty::context::tls::enter_context::<rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:56:9
        40: <std::thread::local::LocalKey<core::cell::Cell<*const ()>>>::try_with::<rustc_middle::ty::context::tls::enter_context<rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/thread/local.rs:464:12
        41: <std::thread::local::LocalKey<core::cell::Cell<*const ()>>>::with::<rustc_middle::ty::context::tls::enter_context<rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/thread/local.rs:428:20
        42: rustc_middle::ty::context::tls::enter_context::<rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:53:9
        43: rustc_query_impl::plumbing::start_query::<rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/plumbing.rs:74:9
        44: rustc_middle::ty::context::tls::with_context::<rustc_query_impl::plumbing::start_query<rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:86:36
        45: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_context<rustc_query_impl::plumbing::start_query<rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:75:18
        46: rustc_middle::ty::context::tls::with_context::<rustc_query_impl::plumbing::start_query<rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>::{closure#0}, rustc_middle::query::erase::ErasedData<[u8; 32]>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/ty/context/tls.rs:86:5
        47: rustc_query_impl::plumbing::start_query::<rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_query_impl::execution::execute_job_non_incr<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/plumbing.rs:61:5
        48: rustc_query_impl::execution::execute_job_non_incr::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:422:17
        49: rustc_query_impl::execution::try_execute_query::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>, false>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:330:17
        50: rustc_query_impl::execution::execute_query_non_incr_inner::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:616:32
        51: stacker::maybe_grow::<rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_query_impl::execution::execute_query_non_incr_inner<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>
                   at /rust/deps/stacker-0.1.21/src/lib.rs:57:9
        52: rustc_data_structures::stack::ensure_sufficient_stack::<rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_query_impl::execution::execute_query_non_incr_inner<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>::{closure#0}>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_data_structures/src/stack.rs:21:5
        53: rustc_query_impl::execution::execute_query_non_incr_inner::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/execution.rs:616:5
        54: rustc_query_impl::query_impl::hir_owner::execute_query_non_incr::__rust_end_short_backtrace
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_query_impl/src/query_impl.rs:82:30
        55: rustc_middle::query::inner::query_get_at::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 32]>, rustc_middle::dep_graph::graph::DepNodeIndex>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/query/inner.rs:45:17
        56: <rustc_middle::query::plumbing::TyCtxtAt>::hir_owner::<rustc_span::def_id::LocalDefId>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/query/plumbing.rs:564:46
        57: <rustc_middle::ty::context::TyCtxt>::hir_owner::<rustc_span::def_id::LocalDefId>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/query/plumbing.rs:552:39
        58: <rustc_middle::ty::context::TyCtxt>::opt_hir_owner_nodes
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/hir/map.rs:134:14
        59: <rustc_middle::ty::context::TyCtxt>::expect_hir_owner_nodes
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/hir/map.rs:139:14
        60: <rustc_middle::ty::context::TyCtxt>::hir_owner_nodes
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/hir/map.rs:145:14
        61: <rustc_middle::ty::context::TyCtxt>::hir_owner_node
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/hir/map.rs:160:14
        62: <rustc_middle::ty::context::TyCtxt>::hir_item
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/hir/map.rs:239:14
        63: <rustc_middle::ty::context::TyCtxt as rustc_hir::intravisit::HirTyCtxt>::hir_item
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/hir/map.rs:1143:17
        64: <rustc_middle::hir::map::ItemCollector as rustc_hir::intravisit::Visitor>::visit_nested_item
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_hir/src/intravisit.rs:243:41
        65: rustc_hir::intravisit::walk_mod::<rustc_middle::hir::map::ItemCollector>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_hir/src/intravisit.rs:655:5
        66: <rustc_middle::hir::map::ItemCollector as rustc_hir::intravisit::Visitor>::visit_mod
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_hir/src/intravisit.rs:319:9
        67: <rustc_middle::ty::context::TyCtxt>::hir_walk_toplevel_module::<rustc_middle::hir::map::ItemCollector>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/hir/map.rs:430:17
        68: rustc_middle::hir::map::hir_crate_items
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/compiler/rustc_middle/src/hir/map.rs:1298:9
    
    
    < snip > 
    
       145: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<(), rustc_driver_impl::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}>>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/panicking.rs:544:19
       146: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<(), rustc_driver_impl::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/panic.rs:359:14
       147: std::thread::lifecycle::spawn_unchecked::<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<(), rustc_driver_impl::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/thread/lifecycle.rs:68:26
       148: <std::thread::lifecycle::spawn_unchecked<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<(), rustc_driver_impl::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                   at /rustc-dev/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/core/src/ops/function.rs:250:5
       149: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
                   at /rustc/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/alloc/src/boxed.rs:2326:9
       150: <std::sys::thread::unix::Thread>::new::thread_start
                   at /rustc/da86f4d0726be475afbbffe40cb2f65741c51ad3/library/std/src/sys/thread/unix.rs:123:17
       151: <unknown>
       152: <unknown>
      
 --> /tmp/icemaker_global_tempdir.XHgN8MQsfrLf/rustc_testrunner_tmpdir_reporting.Y0n4zQu6XKx8/mvce.rs:1:33
  |
1 | #[diagnostic::on_unmatched_args(message)]
  |                                 ^^^^^^^

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 make sure that you have updated to the latest nightly

note: rustc 1.99.0-nightly (da86f4d07 2026-07-24) running on x86_64-unknown-linux-gnu

query stack during panic:
end of query stack

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

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