thread 'rustc' panicked at 'Span must not be empty and have no suggestion', /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:623:9 stack backtrace: 0: 0x7f25142ed23e - std::backtrace_rs::backtrace::libunwind::trace::h2ba7924f373abcbe at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 1: 0x7f25142ed23e - std::backtrace_rs::backtrace::trace_unsynchronized::h5a4fdc5ca15c5a11 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x7f25142ed23e - std::sys_common::backtrace::_print_fmt::h34d240f86b681b56 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:65:5 3: 0x7f25142ed23e - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hff0170f2c82d7337 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22 4: 0x7f251436bbe8 - core::fmt::write::h1efe05f8990e10dd at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1209:17 5: 0x7f25142bd0af - std::io::Write::write_fmt::h09b98dcf13d06d7e at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1682:15 6: 0x7f25142ed035 - std::sys_common::backtrace::_print::hd796cba033e68e9f at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5 7: 0x7f25142ed035 - std::sys_common::backtrace::print::h372132b3c3624c25 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9 8: 0x7f25142c9be7 - std::panicking::default_hook::{{closure}}::h25ec0b66e0c6b3e1 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:267:22 9: 0x7f25142c9980 - std::panicking::default_hook::h57d3b2570aeea246 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:286:9 10: 0x7f251510de82 - <alloc[19a8b8a34660badf]::boxed::Box<dyn for<'a, 'b> core[54e86a843f8c5207]::ops::function::Fn<(&'a core[54e86a843f8c5207]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[54e86a843f8c5207]::marker::Sync + core[54e86a843f8c5207]::marker::Send> as core[54e86a843f8c5207]::ops::function::Fn<(&core[54e86a843f8c5207]::panic::panic_info::PanicInfo,)>>::call at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2024:9 11: 0x7f251510de82 - rustc_driver[102e08cae241c12c]::DEFAULT_HOOK::{closure#0}::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:1207:13 12: 0x7f25142ca5cc - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he864250e2a0af0c3 at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2024:9 13: 0x7f25142ca5cc - std::panicking::rust_panic_with_hook::h57f8ea81dc24fd24 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:692:13 14: 0x7f25142ed581 - std::panicking::begin_panic_handler::{{closure}}::h132f8ad5315769da at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:577:13 15: 0x7f25142ed38e - std::sys_common::backtrace::__rust_end_short_backtrace::h6f8d96ac57d7d842 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:137:18 16: 0x7f25142ca072 - rust_begin_unwind at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:575:5 17: 0x7f251427b283 - core::panicking::panic_fmt::h43c239f62329fe2a at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:65:14 18: 0x7f25153882e4 - <rustc_errors[6b61d4e931019684]::diagnostic::Diagnostic>::multipart_suggestion_with_style::<&str> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:623:9 19: 0x7f2515344cfe - <rustc_errors[6b61d4e931019684]::diagnostic::Diagnostic>::multipart_suggestion::<&str> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:591:9 20: 0x7f2515344cfe - <rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<()>>::multipart_suggestion::<&str> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic_builder.rs:375:13 21: 0x7f2515344cfe - <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics::<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/context.rs:831:21 22: 0x7f2515344cfe - <<rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0} as core[54e86a843f8c5207]::ops::function::FnOnce<(&mut rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<()>,)>>::call_once::{shim:vtable#0} at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:427:5 23: 0x7f251533d011 - <alloc[19a8b8a34660badf]::boxed::Box<dyn for<'a, 'b> core[54e86a843f8c5207]::ops::function::FnOnce<(&'a mut rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<'b, ()>,), Output = &'a mut rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<'b, ()>>> as core[54e86a843f8c5207]::ops::function::FnOnce<(&mut rustc_errors[6b61d4e931019684]::diagnostic_builder::DiagnosticBuilder<()>,)>>::call_once at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9 24: 0x7f251533d011 - rustc_middle[137db65a67c432c]::lint::struct_lint_level::struct_lint_level_impl::<rustc_error_messages[abd8fc367e712721]::DiagnosticMessage> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/lint.rs:466:9 25: 0x7f2515330a94 - rustc_middle[137db65a67c432c]::lint::struct_lint_level::<rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/lint.rs:470:5 26: 0x7f251528d222 - <rustc_lint[53e6ba2ec08944c2]::levels::LintLevelsBuilder<rustc_lint[53e6ba2ec08944c2]::levels::TopDown>>::struct_lint::<rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/levels.rs:1087:9 27: 0x7f2515374803 - <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup::<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}>::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/context.rs:1050:9 28: 0x7f2515374803 - <rustc_lint[53e6ba2ec08944c2]::context::EarlyContext as rustc_lint[53e6ba2ec08944c2]::context::LintContext>::lookup_with_diagnostics::<rustc_error_messages[abd8fc367e712721]::MultiSpan, rustc_error_messages[abd8fc367e712721]::DiagnosticMessage, <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/context.rs:594:9 29: 0x7f2515374803 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::check_id at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:43:13 30: 0x7f251537f224 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generic_param::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:64:9 31: 0x7f251537f224 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generic_param at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:227:9 32: 0x7f251537cd8c - rustc_ast[50ad794c216986e]::visit::walk_generics::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:610:5 33: 0x7f251537cd8c - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generics at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:235:9 34: 0x7f2515324823 - rustc_ast[50ad794c216986e]::visit::walk_fn::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:664:13 35: 0x7f2515328d7a - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_fn at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:150:9 36: 0x7f2515328d7a - rustc_ast[50ad794c216986e]::visit::walk_item::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:312:13 37: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:85:13 38: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9 39: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:83:9 40: 0x7f2515328dec - rustc_ast[50ad794c216986e]::visit::walk_item::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:316:17 41: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:85:13 42: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9 43: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:83:9 44: 0x7f251531efec - rustc_ast[50ad794c216986e]::visit::walk_crate::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:263:5 45: 0x7f251536f989 - <&rustc_ast[50ad794c216986e]::ast::Crate as rustc_lint[53e6ba2ec08944c2]::early::EarlyCheckNode>::check::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:347:9 46: 0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::early_lint_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:391:66 47: 0x7f251536f989 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<rustc_lint[53e6ba2ec08944c2]::early::early_lint_node<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9 48: 0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::early_lint_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:391:5 49: 0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::check_ast_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:425:20 50: 0x7f251528ab54 - rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:448:9 51: 0x7f251528ab54 - <rustc_data_structures[2dc78f4d764e2a91]::profiling::VerboseTimingGuard>::run::<(), rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/profiling.rs:727:9 52: 0x7f251528ab54 - <rustc_session[ee121006aeecfdd7]::session::Session>::time::<(), rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_session/src/utils.rs:10:9 53: 0x7f25152d2893 - rustc_interface[504271c6e2da38b2]::passes::configure_and_expand at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:446:5 54: 0x7f251534eb33 - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:182:17 55: 0x7f251534eb33 - <rustc_interface[504271c6e2da38b2]::passes::boxed_resolver::BoxedResolver>::access::<<rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<rustc_ast[50ad794c216986e]::ast::Crate, rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:134:13 56: 0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:181:25 57: 0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Query<(alloc[19a8b8a34660badf]::rc::Rc<rustc_ast[50ad794c216986e]::ast::Crate>, alloc[19a8b8a34660badf]::rc::Rc<core[54e86a843f8c5207]::cell::RefCell<rustc_interface[504271c6e2da38b2]::passes::boxed_resolver::BoxedResolver>>, alloc[19a8b8a34660badf]::rc::Rc<rustc_lint[53e6ba2ec08944c2]::context::LintStore>)>>::compute::<<rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:38:28 58: 0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:170:9 59: 0x7f25151a52e0 - rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}::{closure#2} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:357:13 60: 0x7f25151a52e0 - <rustc_interface[504271c6e2da38b2]::interface::Compiler>::enter::<rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}::{closure#2}, core[54e86a843f8c5207]::result::Result<core[54e86a843f8c5207]::option::Option<rustc_interface[504271c6e2da38b2]::queries::Linker>, rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:381:19 61: 0x7f251510f9e5 - rustc_driver[102e08cae241c12c]::run_compiler::{closure#1} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:308:22 62: 0x7f251510f9e5 - rustc_interface[504271c6e2da38b2]::interface::run_compiler::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}::{closure#1} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:327:21 63: 0x7f251510f9e5 - rustc_span[18dcca4f631a4712]::with_source_map::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}::{closure#1}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:1009:5 64: 0x7f251519394c - rustc_interface[504271c6e2da38b2]::interface::run_compiler::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:321:13 65: 0x7f251519394c - <scoped_tls[3f7a8f801319db86]::ScopedKey<rustc_span[18dcca4f631a4712]::SessionGlobals>>::set::<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/.cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-1.0.0/src/lib.rs:137:9 66: 0x7f251518eee0 - rustc_span[18dcca4f631a4712]::create_session_globals_then::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:111:5 67: 0x7f251518eee0 - rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals::<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:148:38 68: 0x7f251518eee0 - std[b60d3abfffc60fec]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:121:18 69: 0x7f2515123e19 - <std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:551:17 70: 0x7f2515123e19 - <core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}> as core[54e86a843f8c5207]::ops::function::FnOnce<()>>::call_once at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panic/unwind_safe.rs:271:9 71: 0x7f2515123e19 - std[b60d3abfffc60fec]::panicking::try::do_call::<core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:483:40 72: 0x7f2515123e19 - std[b60d3abfffc60fec]::panicking::try::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>> at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:447:19 73: 0x7f2515123e19 - std[b60d3abfffc60fec]::panic::catch_unwind::<core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:137:14 74: 0x7f2515123e19 - <std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1} at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:550:30 75: 0x7f2515123e19 - <<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1} as core[54e86a843f8c5207]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:427:5 76: 0x7f25142a7058 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf434786bd508e033 at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9 77: 0x7f25142a7058 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h79e82a56a42c42f5 at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9 78: 0x7f251428f895 - std::sys::unix::thread::Thread::new::thread_start::he8a1fd9beacdaef9 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys/unix/thread.rs:108:17 79: 0x7f251449f8fd - <unknown> 80: 0x7f2514521a60 - <unknown> 81: 0x0 - <unknown> error: internal compiler error: unexpected panic note: the compiler unexpectedly panicked. this is a bug. note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md note: rustc 1.67.0-dev running on x86_64-unknown-linux-gnu query stack during panic: end of query stack thread 'rustc' panicked at 'Found a `push` without a `pop`.', compiler/rustc_lint/src/levels.rs:504:9 stack backtrace: 0: 0x7f25142ed23e - std::backtrace_rs::backtrace::libunwind::trace::h2ba7924f373abcbe at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 1: 0x7f25142ed23e - std::backtrace_rs::backtrace::trace_unsynchronized::h5a4fdc5ca15c5a11 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x7f25142ed23e - std::sys_common::backtrace::_print_fmt::h34d240f86b681b56 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:65:5 3: 0x7f25142ed23e - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hff0170f2c82d7337 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22 4: 0x7f251436bbe8 - core::fmt::write::h1efe05f8990e10dd at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1209:17 5: 0x7f25142bd0af - std::io::Write::write_fmt::h09b98dcf13d06d7e at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1682:15 6: 0x7f25142ed035 - std::sys_common::backtrace::_print::hd796cba033e68e9f at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5 7: 0x7f25142ed035 - std::sys_common::backtrace::print::h372132b3c3624c25 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9 8: 0x7f25142c9be7 - std::panicking::default_hook::{{closure}}::h25ec0b66e0c6b3e1 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:267:22 9: 0x7f25142c9980 - std::panicking::default_hook::h57d3b2570aeea246 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:286:9 10: 0x7f251510de82 - <alloc[19a8b8a34660badf]::boxed::Box<dyn for<'a, 'b> core[54e86a843f8c5207]::ops::function::Fn<(&'a core[54e86a843f8c5207]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[54e86a843f8c5207]::marker::Sync + core[54e86a843f8c5207]::marker::Send> as core[54e86a843f8c5207]::ops::function::Fn<(&core[54e86a843f8c5207]::panic::panic_info::PanicInfo,)>>::call at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2024:9 11: 0x7f251510de82 - rustc_driver[102e08cae241c12c]::DEFAULT_HOOK::{closure#0}::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:1207:13 12: 0x7f25142ca5cc - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he864250e2a0af0c3 at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2024:9 13: 0x7f25142ca5cc - std::panicking::rust_panic_with_hook::h57f8ea81dc24fd24 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:692:13 14: 0x7f25142ed581 - std::panicking::begin_panic_handler::{{closure}}::h132f8ad5315769da at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:577:13 15: 0x7f25142ed38e - std::sys_common::backtrace::__rust_end_short_backtrace::h6f8d96ac57d7d842 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:137:18 16: 0x7f25142ca072 - rust_begin_unwind at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:575:5 17: 0x7f251427b283 - core::panicking::panic_fmt::h43c239f62329fe2a at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:65:14 18: 0x7f251a0772c9 - <rustc_lint[53e6ba2ec08944c2]::levels::BuilderPush as core[54e86a843f8c5207]::ops::drop::Drop>::drop at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/levels.rs:504:9 19: 0x7f251537f6c7 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generic_param::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:71:5 20: 0x7f251537f6c7 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generic_param at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:227:9 21: 0x7f251537cd8c - rustc_ast[50ad794c216986e]::visit::walk_generics::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:610:5 22: 0x7f251537cd8c - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_generics at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:235:9 23: 0x7f2515324823 - rustc_ast[50ad794c216986e]::visit::walk_fn::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:664:13 24: 0x7f2515328d7a - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_fn at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:150:9 25: 0x7f2515328d7a - rustc_ast[50ad794c216986e]::visit::walk_item::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:312:13 26: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:85:13 27: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9 28: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:83:9 29: 0x7f2515328dec - rustc_ast[50ad794c216986e]::visit::walk_item::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:316:17 30: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:85:13 31: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9 32: 0x7f251537aeb9 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> as rustc_ast[50ad794c216986e]::visit::Visitor>::visit_item at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:83:9 33: 0x7f251531efec - rustc_ast[50ad794c216986e]::visit::walk_crate::<rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_ast/src/visit.rs:263:5 34: 0x7f251536f989 - <&rustc_ast[50ad794c216986e]::ast::Crate as rustc_lint[53e6ba2ec08944c2]::early::EarlyCheckNode>::check::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:347:9 35: 0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::early_lint_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:391:66 36: 0x7f251536f989 - <rustc_lint[53e6ba2ec08944c2]::early::EarlyContextAndPass<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<rustc_lint[53e6ba2ec08944c2]::early::early_lint_node<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate>::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:67:9 37: 0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::early_lint_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:391:5 38: 0x7f251536f989 - rustc_lint[53e6ba2ec08944c2]::early::check_ast_node::<rustc_lint[53e6ba2ec08944c2]::BuiltinCombinedEarlyLintPass, &rustc_ast[50ad794c216986e]::ast::Crate> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_lint/src/early.rs:425:20 39: 0x7f251528ab54 - rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:448:9 40: 0x7f251528ab54 - <rustc_data_structures[2dc78f4d764e2a91]::profiling::VerboseTimingGuard>::run::<(), rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/profiling.rs:727:9 41: 0x7f251528ab54 - <rustc_session[ee121006aeecfdd7]::session::Session>::time::<(), rustc_interface[504271c6e2da38b2]::passes::configure_and_expand::{closure#8}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_session/src/utils.rs:10:9 42: 0x7f25152d2893 - rustc_interface[504271c6e2da38b2]::passes::configure_and_expand at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:446:5 43: 0x7f251534eb33 - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:182:17 44: 0x7f251534eb33 - <rustc_interface[504271c6e2da38b2]::passes::boxed_resolver::BoxedResolver>::access::<<rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<rustc_ast[50ad794c216986e]::ast::Crate, rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:134:13 45: 0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:181:25 46: 0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Query<(alloc[19a8b8a34660badf]::rc::Rc<rustc_ast[50ad794c216986e]::ast::Crate>, alloc[19a8b8a34660badf]::rc::Rc<core[54e86a843f8c5207]::cell::RefCell<rustc_interface[504271c6e2da38b2]::passes::boxed_resolver::BoxedResolver>>, alloc[19a8b8a34660badf]::rc::Rc<rustc_lint[53e6ba2ec08944c2]::context::LintStore>)>>::compute::<<rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:38:28 47: 0x7f25152a0ade - <rustc_interface[504271c6e2da38b2]::queries::Queries>::expansion at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:170:9 48: 0x7f25151a52e0 - rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}::{closure#2} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:357:13 49: 0x7f25151a52e0 - <rustc_interface[504271c6e2da38b2]::interface::Compiler>::enter::<rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}::{closure#2}, core[54e86a843f8c5207]::result::Result<core[54e86a843f8c5207]::option::Option<rustc_interface[504271c6e2da38b2]::queries::Linker>, rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:381:19 50: 0x7f251510f9e5 - rustc_driver[102e08cae241c12c]::run_compiler::{closure#1} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:308:22 51: 0x7f251510f9e5 - rustc_interface[504271c6e2da38b2]::interface::run_compiler::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}::{closure#1} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:327:21 52: 0x7f251510f9e5 - rustc_span[18dcca4f631a4712]::with_source_map::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}::{closure#1}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:1009:5 53: 0x7f251519394c - rustc_interface[504271c6e2da38b2]::interface::run_compiler::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:321:13 54: 0x7f251519394c - <scoped_tls[3f7a8f801319db86]::ScopedKey<rustc_span[18dcca4f631a4712]::SessionGlobals>>::set::<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/.cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-1.0.0/src/lib.rs:137:9 55: 0x7f251518eee0 - rustc_span[18dcca4f631a4712]::create_session_globals_then::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}> at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:111:5 56: 0x7f251518eee0 - rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals::<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:148:38 57: 0x7f251518eee0 - std[b60d3abfffc60fec]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:121:18 58: 0x7f2515123e19 - <std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0} at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:551:17 59: 0x7f2515123e19 - <core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}> as core[54e86a843f8c5207]::ops::function::FnOnce<()>>::call_once at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panic/unwind_safe.rs:271:9 60: 0x7f2515123e19 - std[b60d3abfffc60fec]::panicking::try::do_call::<core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:483:40 61: 0x7f2515123e19 - std[b60d3abfffc60fec]::panicking::try::<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>> at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:447:19 62: 0x7f2515123e19 - std[b60d3abfffc60fec]::panic::catch_unwind::<core[54e86a843f8c5207]::panic::unwind_safe::AssertUnwindSafe<<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>> at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:137:14 63: 0x7f2515123e19 - <std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_::<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1} at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:550:30 64: 0x7f2515123e19 - <<std[b60d3abfffc60fec]::thread::Builder>::spawn_unchecked_<rustc_interface[504271c6e2da38b2]::util::run_in_thread_pool_with_globals<rustc_interface[504271c6e2da38b2]::interface::run_compiler<core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>, rustc_driver[102e08cae241c12c]::run_compiler::{closure#1}>::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[54e86a843f8c5207]::result::Result<(), rustc_errors[6b61d4e931019684]::ErrorGuaranteed>>::{closure#1} as core[54e86a843f8c5207]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:427:5 65: 0x7f25142a7058 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf434786bd508e033 at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9 66: 0x7f25142a7058 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h79e82a56a42c42f5 at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1990:9 67: 0x7f251428f895 - std::sys::unix::thread::Thread::new::thread_start::he8a1fd9beacdaef9 at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys/unix/thread.rs:108:17 68: 0x7f251449f8fd - <unknown> 69: 0x7f2514521a60 - <unknown> 70: 0x0 - <unknown> error: internal compiler error: unexpected panic note: the compiler unexpectedly panicked. this is a bug. note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md note: rustc 1.67.0-dev running on x86_64-unknown-linux-gnu query stack during panic: end of query stack thread panicked while panicking. aborting. [1] 1434111 IOT instruction (core dumped) ./generic_params.rs -Wsingle-use-lifetimes