const variables should not be hashed

[tylerhawkes]

It appears that the template is no longer working.

I got this after running cargo check on a build that had no issues. I then ran rustup update and cargo clean to do a fresh build and still got the error. I know it isn't related to incremental builds and it's currently giving me a headache.

thread 'rustc' panicked at 'const variables should not be hashed: Var(_#3c)', compiler/rustc_middle/src/ty/consts/kind.rs:122:35
stack backtrace:
   0:        0x1057a3cb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7f563e99e08996c8
   1:        0x1057ee848 - core::fmt::write::h828d1a1d9994c0d4
   2:        0x1057969c0 - std::io::Write::write_fmt::h5f89acb1837ba600
   3:        0x1057a3ac8 - std::sys_common::backtrace::print::h840392abbac6ee51
   4:        0x1057a6650 - std::panicking::default_hook::{{closure}}::h4759ed42ee25f714
   5:        0x1057a63a8 - std::panicking::default_hook::h0e3a71e8a2850720
   6:        0x10d744c5c - rustc_driver[5831ce5c342d4369]::DEFAULT_HOOK::{closure#0}::{closure#0}
   7:        0x1057a6d60 - std::panicking::rust_panic_with_hook::h7210718e7f3b5517
   8:        0x1057a6b48 - std::panicking::begin_panic_handler::{{closure}}::h783370b8bddac8b4
   9:        0x1057a411c - std::sys_common::backtrace::__rust_end_short_backtrace::h33a0191324141f1f
  10:        0x1057a689c - _rust_begin_unwind
  11:        0x10581a1d8 - core::panicking::panic_fmt::h8c7962154a272fe6
  12:        0x111399598 - <rustc_data_structures[64230fbea034ce6c]::intern::Interned<rustc_middle[ac9ca8c5bc793831]::ty::consts::ConstS> as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable
  13:        0x1114a3cbc - <rustc_middle[ac9ca8c5bc793831]::ty::subst::GenericArg as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable
  14:        0x110857a48 - <std[80e5295ce6dcb389]::thread::local::LocalKey<core[a63a2898d00cab06]::cell::RefCell<std[80e5295ce6dcb389]::collections::hash::map::HashMap<(usize, usize, rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashingControls), rustc_data_structures[64230fbea034ce6c]::fingerprint::Fingerprint, core[a63a2898d00cab06]::hash::BuildHasherDefault<rustc_hash[f947d5c73c39dfc]::FxHasher>>>>>::with::<<&rustc_middle[ac9ca8c5bc793831]::ty::list::List<rustc_middle[ac9ca8c5bc793831]::ty::subst::GenericArg> as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable::{closure#0}, rustc_data_structures[64230fbea034ce6c]::fingerprint::Fingerprint>
  15:        0x110a1fd54 - <rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext as rustc_data_structures[64230fbea034ce6c]::intern::InternedHashingContext>::with_def_path_and_no_spans::<<rustc_data_structures[64230fbea034ce6c]::intern::WithStableHash<rustc_middle[ac9ca8c5bc793831]::ty::TyS> as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable::{closure#0}>
  16:        0x11083e85c - <rustc_data_structures[64230fbea034ce6c]::intern::Interned<rustc_data_structures[64230fbea034ce6c]::intern::WithStableHash<rustc_middle[ac9ca8c5bc793831]::ty::TyS>> as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable
  17:        0x110a3f3ac - <[rustc_middle[ac9ca8c5bc793831]::ty::context::GeneratorInteriorTypeCause] as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable
  18:        0x11099b398 - rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::hash_result::<&rustc_middle[ac9ca8c5bc793831]::ty::context::TypeckResults>
  19:        0x11095dfe0 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::ty::context::TypeckResults>
  20:        0x1106f11a8 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::ty::context::TypeckResults>>
  21:        0x1107c02f8 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::typeck, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  22:        0x11146d798 - <rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt>::typeck_opt_const_arg
  23:        0x1101dd1f4 - rustc_mir_build[99f58f588b3ee6d1]::thir::cx::thir_body
  24:        0x11082128c - <rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind as rustc_query_system[e53813fd6ab376cb]::dep_graph::DepKind>::with_deps::<<rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, core[a63a2898d00cab06]::result::Result<(&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::thir::Thir>, rustc_middle[ac9ca8c5bc793831]::thir::ExprId), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>::{closure#0}, core[a63a2898d00cab06]::result::Result<(&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::thir::Thir>, rustc_middle[ac9ca8c5bc793831]::thir::ExprId), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  25:        0x110950c44 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, core[a63a2898d00cab06]::result::Result<(&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::thir::Thir>, rustc_middle[ac9ca8c5bc793831]::thir::ExprId), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  26:        0x1106d4508 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, core[a63a2898d00cab06]::result::Result<(&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::thir::Thir>, rustc_middle[ac9ca8c5bc793831]::thir::ExprId), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>>
  27:        0x1107c2ae8 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::thir_body, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  28:        0x110854a10 - <rustc_query_impl[c312af6a13f88129]::Queries as rustc_middle[ac9ca8c5bc793831]::ty::query::QueryEngine>::thir_body
  29:        0x11019e3f0 - rustc_mir_build[99f58f588b3ee6d1]::build::mir_build
  30:        0x11019d6c8 - rustc_mir_build[99f58f588b3ee6d1]::build::mir_built
  31:        0x11082142c - <rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind as rustc_query_system[e53813fd6ab376cb]::dep_graph::DepKind>::with_deps::<<rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>::{closure#0}, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>
  32:        0x110951560 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>
  33:        0x1106d52bc - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>>
  34:        0x1107c25c8 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::mir_built, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  35:        0x110854ae4 - <rustc_query_impl[c312af6a13f88129]::Queries as rustc_middle[ac9ca8c5bc793831]::ty::query::QueryEngine>::mir_built
  36:        0x10fe1cff0 - rustc_mir_transform[68f6ba11eb3cbb0a]::check_unsafety::unsafety_check_result
  37:        0x10fe1a23c - <rustc_mir_transform[68f6ba11eb3cbb0a]::check_unsafety::provide::{closure#0} as core[a63a2898d00cab06]::ops::function::FnOnce<(rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId)>>::call_once
  38:        0x11095e778 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::mir::query::UnsafetyCheckResult>
  39:        0x1106f2e98 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::mir::query::UnsafetyCheckResult>>
  40:        0x1107b3ac4 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::unsafety_check_result, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  41:        0x10fdc4110 - rustc_mir_transform[68f6ba11eb3cbb0a]::mir_const
  42:        0x11082142c - <rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind as rustc_query_system[e53813fd6ab376cb]::dep_graph::DepKind>::with_deps::<<rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>::{closure#0}, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>
  43:        0x110951560 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>
  44:        0x1106d52bc - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>>
  45:        0x1107c2704 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::mir_const, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  46:        0x110854b20 - <rustc_query_impl[c312af6a13f88129]::Queries as rustc_middle[ac9ca8c5bc793831]::ty::query::QueryEngine>::mir_const
  47:        0x10fdc4b38 - rustc_mir_transform[68f6ba11eb3cbb0a]::mir_promoted
  48:        0x110821500 - <rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind as rustc_query_system[e53813fd6ab376cb]::dep_graph::DepKind>::with_deps::<<rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, (&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_index[c8a6c4a78aa7f8ab]::vec::IndexVec<rustc_middle[ac9ca8c5bc793831]::mir::Promoted, rustc_middle[ac9ca8c5bc793831]::mir::Body>>)>::{closure#0}, (&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_index[c8a6c4a78aa7f8ab]::vec::IndexVec<rustc_middle[ac9ca8c5bc793831]::mir::Promoted, rustc_middle[ac9ca8c5bc793831]::mir::Body>>)>
  49:        0x1109519a4 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, (&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_index[c8a6c4a78aa7f8ab]::vec::IndexVec<rustc_middle[ac9ca8c5bc793831]::mir::Promoted, rustc_middle[ac9ca8c5bc793831]::mir::Body>>)>
  50:        0x1106d607c - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, (&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_index[c8a6c4a78aa7f8ab]::vec::IndexVec<rustc_middle[ac9ca8c5bc793831]::mir::Promoted, rustc_middle[ac9ca8c5bc793831]::mir::Body>>)>>
  51:        0x1107a8108 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::mir_promoted, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  52:        0x110854cd0 - <rustc_query_impl[c312af6a13f88129]::Queries as rustc_middle[ac9ca8c5bc793831]::ty::query::QueryEngine>::mir_promoted
  53:        0x11034c610 - rustc_borrowck[fdb729e9e5032507]::mir_borrowck
  54:        0x110335070 - <rustc_borrowck[fdb729e9e5032507]::provide::{closure#0} as core[a63a2898d00cab06]::ops::function::FnOnce<(rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId)>>::call_once
  55:        0x11095e2e8 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::mir::query::BorrowCheckResult>
  56:        0x1106f2020 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::mir::query::BorrowCheckResult>>
  57:        0x1107a7e54 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::mir_borrowck, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  58:        0x10fc0796c - rustc_hir_analysis[5c86fd8826d6310b]::collect::type_of::find_opaque_ty_constraints_for_rpit
  59:        0x10fc06c0c - rustc_hir_analysis[5c86fd8826d6310b]::collect::type_of::type_of
  60:        0x110966ff4 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::DefId, rustc_middle[ac9ca8c5bc793831]::ty::Ty>
  61:        0x11070e64c - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::DefId, rustc_middle[ac9ca8c5bc793831]::ty::Ty>>
  62:        0x1107c05d0 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::type_of, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  63:        0x10fbc4b58 - rustc_hir_analysis[5c86fd8826d6310b]::check::check::check_item_type
  64:        0x10fbc9888 - rustc_hir_analysis[5c86fd8826d6310b]::check::check::check_mod_item_types
  65:        0x11095f0a0 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId, ()>
  66:        0x1106f4b84 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::LocalDefId, ()>>
  67:        0x1107b1d34 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::check_mod_item_types, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  68:        0x10fbe8de4 - <rustc_middle[ac9ca8c5bc793831]::hir::map::Map>::for_each_module::<rustc_hir_analysis[5c86fd8826d6310b]::check_crate::{closure#6}::{closure#0}>
  69:        0x10fbdc0c4 - <rustc_session[4ff97c08bd59e358]::session::Session>::time::<(), rustc_hir_analysis[5c86fd8826d6310b]::check_crate::{closure#6}>
  70:        0x10fb967cc - rustc_hir_analysis[5c86fd8826d6310b]::check_crate
  71:        0x10d7fb548 - rustc_interface[c658e2eb83b650ee]::passes::analysis
  72:        0x1109863bc - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, (), core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  73:        0x110758690 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<(), core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>>
  74:        0x1107c0704 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::analysis, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  75:        0x10d6e0f1c - <rustc_interface[c658e2eb83b650ee]::passes::QueryContext>::enter::<rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  76:        0x10d71d354 - rustc_span[548211915201be8f]::with_source_map::<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_interface[c658e2eb83b650ee]::interface::run_compiler<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}>::{closure#0}::{closure#1}>
  77:        0x10d70f154 - <scoped_tls[60132be391e98e3a]::ScopedKey<rustc_span[548211915201be8f]::SessionGlobals>>::set::<rustc_interface[c658e2eb83b650ee]::interface::run_compiler<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}>::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  78:        0x10d6e3dc0 - std[80e5295ce6dcb389]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[c658e2eb83b650ee]::util::run_in_thread_pool_with_globals<rustc_interface[c658e2eb83b650ee]::interface::run_compiler<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}>::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  79:        0x10d6cd60c - <<std[80e5295ce6dcb389]::thread::Builder>::spawn_unchecked_<rustc_interface[c658e2eb83b650ee]::util::run_in_thread_pool_with_globals<rustc_interface[c658e2eb83b650ee]::interface::run_compiler<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}>::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>::{closure#1} as core[a63a2898d00cab06]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  80:        0x1057aedc4 - std::sys::unix::thread::Thread::new::thread_start::h0a3d725412114228
  81:        0x19040106c - __pthread_deallocate

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 1.66.1 (90743e729 2023-01-10) running on aarch64-apple-darwin

note: compiler flags: --crate-type bin -C opt-level=1 -C lto=off -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 -C debug-assertions=on -C linker=clang -C incremental=[REDACTED] -C link-arg=-fuse-ld=mold -C target-cpu=native

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [typeck] type-checking `init_entities`
#1 [thir_body] building THIR for `init_entities`
#2 [mir_built] building MIR for `init_entities`
#3 [unsafety_check_result] unsafety-checking `init_entities`
#4 [mir_const] preparing `init_entities` for borrow checking
#5 [mir_promoted] processing MIR for `init_entities`
#6 [mir_borrowck] borrow-checking `init_entities`
#7 [type_of] computing type of `init_entities::{opaque#0}`
#8 [check_mod_item_types] checking item types in top-level module
#9 [analysis] running analysis passes on this crate
end of query stack

[compiler-errors]

Can you share some code that produced this error?

[inquisitivecrystal]

It appears that the template is no longer working.

The link recently changed. If you don't mind, where did you find this link? (If it's somewhere official, we should change it.)

[Noratrieb]

There is a link in the ICE message in "older" compilers. See #106898 for adding the template back @inquisitivecrystal

[inquisitivecrystal]

There is a link in the ICE message in "older" compilers. See #106898 for adding the template back @inquisitivecrystal

Thanks for explaining! Well, that's really easy to fix; all we need is time travel! 😆

[tylerhawkes]

The link recently changed. If you don't mind, where did you find this link? (If it's somewhere official, we should change it.)

It was part of the compiler output on 1.66.1.

Sorry, I can't share the code. I was in the middle of refactoring something and had this pop up. I was able to compile it on nightly and when the compile errors went away the stable compiler no longer had the issue. The project I was working on is ~2600 lines of code and I wouldn't even know where to start. If it happens again I'll do commits so that I can figure out what change triggered this.

[izik1]

Hi! I seem to have found this ICE or a similar one with this rust -vV output:

rustc 1.66.0-nightly (5e9772042 2022-10-29)
binary: rustc
commit-hash: 5e9772042948002f9c6f60c4c81603170035fffa
commit-date: 2022-10-29
host: aarch64-apple-darwin
release: 1.66.0-nightly
LLVM version: 15.0.2

It also reproduces in stable 1.66.1, However it doesn't reproduce on stable 1.66.1 or the current nightly (the below version for cargo, unfortunately the rustc version for nightly is hard)

cargo 1.69.0-nightly (17b3d0de0 2023-02-17)
release: 1.69.0-nightly
commit-hash: 17b3d0de0897e1c6b8ca347bd39f850bb0a5b9f6
commit-date: 2023-02-17
host: aarch64-apple-darwin
libgit2: 1.5.0 (sys:0.16.0 vendored)
libcurl: 7.86.0 (sys:0.4.59+curl-7.86.0 system ssl:(SecureTransport) LibreSSL/3.3.6)
os: Mac OS 13.2.1 [64-bit]

The reason I think I have the same or a similar ICE is because, well, it starts out the same as well as having the same query stack:

thread 'rustc' panicked at 'const variables should not be hashed: Var(_#0c)', compiler/rustc_middle/src/ty/consts/kind.rs:122:35

...
query stack during panic:
#0 [typeck] type-checking `execute::execute`
#1 [thir_body] building THIR for `execute::execute`
#2 [mir_built] building MIR for `execute::execute`
#3 [unsafety_check_result] unsafety-checking `execute::execute`
#4 [mir_const] preparing `execute::execute` for borrow checking
#5 [mir_promoted] processing MIR for `execute::execute`
#6 [mir_borrowck] borrow-checking `execute::execute`
#7 [type_of] computing type of `execute::execute::{opaque#0}`
#8 [check_mod_item_types] checking item types in module `client`
#9 [analysis] running analysis passes on this crate
end of query stack

I'll try to reproduce it on Friday ish to bisect where / when this happened, and why (so that we can probably mark it as already fixed, unless I happen to uncover a root cause that still exists)

[izik1]

MRE

async fn foo() {
    inner::<false>().await
}

async fn inner<T, const PING: bool>() {}

Full ICE:

Full ICE

thread 'rustc' panicked at 'const variables should not be hashed: Var(_#0c)', compiler/rustc_middle/src/ty/consts/kind.rs:122:35
stack backtrace:
   0:        0x1037bfcb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7f563e99e08996c8
   1:        0x10380a848 - core::fmt::write::h828d1a1d9994c0d4
   2:        0x1037b29c0 - std::io::Write::write_fmt::h5f89acb1837ba600
   3:        0x1037bfac8 - std::sys_common::backtrace::print::h840392abbac6ee51
   4:        0x1037c2650 - std::panicking::default_hook::{{closure}}::h4759ed42ee25f714
   5:        0x1037c23a8 - std::panicking::default_hook::h0e3a71e8a2850720
   6:        0x10b760c5c - rustc_driver[5831ce5c342d4369]::DEFAULT_HOOK::{closure#0}::{closure#0}
   7:        0x1037c2d60 - std::panicking::rust_panic_with_hook::h7210718e7f3b5517
   8:        0x1037c2b48 - std::panicking::begin_panic_handler::{{closure}}::h783370b8bddac8b4
   9:        0x1037c011c - std::sys_common::backtrace::__rust_end_short_backtrace::h33a0191324141f1f
  10:        0x1037c289c - _rust_begin_unwind
  11:        0x1038361d8 - core::panicking::panic_fmt::h8c7962154a272fe6
  12:        0x10f3b5598 - <rustc_data_structures[64230fbea034ce6c]::intern::Interned<rustc_middle[ac9ca8c5bc793831]::ty::consts::ConstS> as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable
  13:        0x10f4bfcbc - <rustc_middle[ac9ca8c5bc793831]::ty::subst::GenericArg as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable
  14:        0x10e873a48 - <std[80e5295ce6dcb389]::thread::local::LocalKey<core[a63a2898d00cab06]::cell::RefCell<std[80e5295ce6dcb389]::collections::hash::map::HashMap<(usize, usize, rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashingControls), rustc_data_structures[64230fbea034ce6c]::fingerprint::Fingerprint, core[a63a2898d00cab06]::hash::BuildHasherDefault<rustc_hash[f947d5c73c39dfc]::FxHasher>>>>>::with::<<&rustc_middle[ac9ca8c5bc793831]::ty::list::List<rustc_middle[ac9ca8c5bc793831]::ty::subst::GenericArg> as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable::{closure#0}, rustc_data_structures[64230fbea034ce6c]::fingerprint::Fingerprint>
  15:        0x10ea3bd18 - <rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext as rustc_data_structures[64230fbea034ce6c]::intern::InternedHashingContext>::with_def_path_and_no_spans::<<rustc_data_structures[64230fbea034ce6c]::intern::WithStableHash<rustc_middle[ac9ca8c5bc793831]::ty::TyS> as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable::{closure#0}>
  16:        0x10e85a85c - <rustc_data_structures[64230fbea034ce6c]::intern::Interned<rustc_data_structures[64230fbea034ce6c]::intern::WithStableHash<rustc_middle[ac9ca8c5bc793831]::ty::TyS>> as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable
  17:        0x10ea5b3ac - <[rustc_middle[ac9ca8c5bc793831]::ty::context::GeneratorInteriorTypeCause] as rustc_data_structures[64230fbea034ce6c]::stable_hasher::HashStable<rustc_query_system[e53813fd6ab376cb]::ich::hcx::StableHashingContext>>::hash_stable
  18:        0x10e9b7398 - rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::hash_result::<&rustc_middle[ac9ca8c5bc793831]::ty::context::TypeckResults>
  19:        0x10e979fe0 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::ty::context::TypeckResults>
  20:        0x10e70d1a8 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::ty::context::TypeckResults>>
  21:        0x10e7dc2f8 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::typeck, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  22:        0x10f489798 - <rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt>::typeck_opt_const_arg
  23:        0x10e1f91f4 - rustc_mir_build[99f58f588b3ee6d1]::thir::cx::thir_body
  24:        0x10e83d28c - <rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind as rustc_query_system[e53813fd6ab376cb]::dep_graph::DepKind>::with_deps::<<rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, core[a63a2898d00cab06]::result::Result<(&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::thir::Thir>, rustc_middle[ac9ca8c5bc793831]::thir::ExprId), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>::{closure#0}, core[a63a2898d00cab06]::result::Result<(&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::thir::Thir>, rustc_middle[ac9ca8c5bc793831]::thir::ExprId), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  25:        0x10e96cc44 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, core[a63a2898d00cab06]::result::Result<(&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::thir::Thir>, rustc_middle[ac9ca8c5bc793831]::thir::ExprId), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  26:        0x10e6f0508 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, core[a63a2898d00cab06]::result::Result<(&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::thir::Thir>, rustc_middle[ac9ca8c5bc793831]::thir::ExprId), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>>
  27:        0x10e7deae8 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::thir_body, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  28:        0x10e870a10 - <rustc_query_impl[c312af6a13f88129]::Queries as rustc_middle[ac9ca8c5bc793831]::ty::query::QueryEngine>::thir_body
  29:        0x10e1ba3f0 - rustc_mir_build[99f58f588b3ee6d1]::build::mir_build
  30:        0x10e1b96c8 - rustc_mir_build[99f58f588b3ee6d1]::build::mir_built
  31:        0x10e83d42c - <rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind as rustc_query_system[e53813fd6ab376cb]::dep_graph::DepKind>::with_deps::<<rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>::{closure#0}, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>
  32:        0x10e96d560 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>
  33:        0x10e6f12bc - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>>
  34:        0x10e7de5c8 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::mir_built, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  35:        0x10e870ae4 - <rustc_query_impl[c312af6a13f88129]::Queries as rustc_middle[ac9ca8c5bc793831]::ty::query::QueryEngine>::mir_built
  36:        0x10de38ff0 - rustc_mir_transform[68f6ba11eb3cbb0a]::check_unsafety::unsafety_check_result
  37:        0x10de3623c - <rustc_mir_transform[68f6ba11eb3cbb0a]::check_unsafety::provide::{closure#0} as core[a63a2898d00cab06]::ops::function::FnOnce<(rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId)>>::call_once
  38:        0x10e97a778 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::mir::query::UnsafetyCheckResult>
  39:        0x10e70ee98 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::mir::query::UnsafetyCheckResult>>
  40:        0x10e7cfac4 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::unsafety_check_result, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  41:        0x10dde0110 - rustc_mir_transform[68f6ba11eb3cbb0a]::mir_const
  42:        0x10e83d42c - <rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind as rustc_query_system[e53813fd6ab376cb]::dep_graph::DepKind>::with_deps::<<rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>::{closure#0}, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>
  43:        0x10e96d560 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>
  44:        0x10e6f12bc - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>>>
  45:        0x10e7de704 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::mir_const, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  46:        0x10e870b20 - <rustc_query_impl[c312af6a13f88129]::Queries as rustc_middle[ac9ca8c5bc793831]::ty::query::QueryEngine>::mir_const
  47:        0x10dde0b38 - rustc_mir_transform[68f6ba11eb3cbb0a]::mir_promoted
  48:        0x10e83d500 - <rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind as rustc_query_system[e53813fd6ab376cb]::dep_graph::DepKind>::with_deps::<<rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, (&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_index[c8a6c4a78aa7f8ab]::vec::IndexVec<rustc_middle[ac9ca8c5bc793831]::mir::Promoted, rustc_middle[ac9ca8c5bc793831]::mir::Body>>)>::{closure#0}, (&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_index[c8a6c4a78aa7f8ab]::vec::IndexVec<rustc_middle[ac9ca8c5bc793831]::mir::Promoted, rustc_middle[ac9ca8c5bc793831]::mir::Body>>)>
  49:        0x10e96d9a4 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, (&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_index[c8a6c4a78aa7f8ab]::vec::IndexVec<rustc_middle[ac9ca8c5bc793831]::mir::Promoted, rustc_middle[ac9ca8c5bc793831]::mir::Body>>)>
  50:        0x10e6f207c - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_middle[ac9ca8c5bc793831]::ty::WithOptConstParam<rustc_span[548211915201be8f]::def_id::LocalDefId>, (&rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_middle[ac9ca8c5bc793831]::mir::Body>, &rustc_data_structures[64230fbea034ce6c]::steal::Steal<rustc_index[c8a6c4a78aa7f8ab]::vec::IndexVec<rustc_middle[ac9ca8c5bc793831]::mir::Promoted, rustc_middle[ac9ca8c5bc793831]::mir::Body>>)>>
  51:        0x10e7c4108 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::mir_promoted, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  52:        0x10e870cd0 - <rustc_query_impl[c312af6a13f88129]::Queries as rustc_middle[ac9ca8c5bc793831]::ty::query::QueryEngine>::mir_promoted
  53:        0x10e368610 - rustc_borrowck[fdb729e9e5032507]::mir_borrowck
  54:        0x10e351070 - <rustc_borrowck[fdb729e9e5032507]::provide::{closure#0} as core[a63a2898d00cab06]::ops::function::FnOnce<(rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId)>>::call_once
  55:        0x10e97a2e8 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::mir::query::BorrowCheckResult>
  56:        0x10e70e020 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::LocalDefId, &rustc_middle[ac9ca8c5bc793831]::mir::query::BorrowCheckResult>>
  57:        0x10e7c3e54 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::mir_borrowck, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  58:        0x10dc2396c - rustc_hir_analysis[5c86fd8826d6310b]::collect::type_of::find_opaque_ty_constraints_for_rpit
  59:        0x10dc22c0c - rustc_hir_analysis[5c86fd8826d6310b]::collect::type_of::type_of
  60:        0x10e982ff4 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::DefId, rustc_middle[ac9ca8c5bc793831]::ty::Ty>
  61:        0x10e72a64c - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::DefId, rustc_middle[ac9ca8c5bc793831]::ty::Ty>>
  62:        0x10e7dc5d0 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::type_of, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  63:        0x10dbe0b58 - rustc_hir_analysis[5c86fd8826d6310b]::check::check::check_item_type
  64:        0x10dbe5888 - rustc_hir_analysis[5c86fd8826d6310b]::check::check::check_mod_item_types
  65:        0x10e97b0a0 - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, rustc_span[548211915201be8f]::def_id::LocalDefId, ()>
  66:        0x10e710b84 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<rustc_span[548211915201be8f]::def_id::LocalDefId, ()>>
  67:        0x10e7cdd34 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::check_mod_item_types, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  68:        0x10dc04de4 - <rustc_middle[ac9ca8c5bc793831]::hir::map::Map>::for_each_module::<rustc_hir_analysis[5c86fd8826d6310b]::check_crate::{closure#6}::{closure#0}>
  69:        0x10dbf80c4 - <rustc_session[4ff97c08bd59e358]::session::Session>::time::<(), rustc_hir_analysis[5c86fd8826d6310b]::check_crate::{closure#6}>
  70:        0x10dbb27cc - rustc_hir_analysis[5c86fd8826d6310b]::check_crate
  71:        0x10b817548 - rustc_interface[c658e2eb83b650ee]::passes::analysis
  72:        0x10e9a23bc - <rustc_query_system[e53813fd6ab376cb]::dep_graph::graph::DepGraph<rustc_middle[ac9ca8c5bc793831]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[ac9ca8c5bc793831]::ty::context::TyCtxt, (), core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  73:        0x10e774690 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::try_execute_query::<rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt, rustc_query_system[e53813fd6ab376cb]::query::caches::DefaultCache<(), core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>>
  74:        0x10e7dc704 - rustc_query_system[e53813fd6ab376cb]::query::plumbing::get_query::<rustc_query_impl[c312af6a13f88129]::queries::analysis, rustc_query_impl[c312af6a13f88129]::plumbing::QueryCtxt>
  75:        0x10b6fcf1c - <rustc_interface[c658e2eb83b650ee]::passes::QueryContext>::enter::<rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  76:        0x10b739354 - rustc_span[548211915201be8f]::with_source_map::<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_interface[c658e2eb83b650ee]::interface::run_compiler<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}>::{closure#0}::{closure#1}>
  77:        0x10b72b154 - <scoped_tls[60132be391e98e3a]::ScopedKey<rustc_span[548211915201be8f]::SessionGlobals>>::set::<rustc_interface[c658e2eb83b650ee]::interface::run_compiler<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}>::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  78:        0x10b6ffdc0 - std[80e5295ce6dcb389]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[c658e2eb83b650ee]::util::run_in_thread_pool_with_globals<rustc_interface[c658e2eb83b650ee]::interface::run_compiler<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}>::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>
  79:        0x10b6e960c - <<std[80e5295ce6dcb389]::thread::Builder>::spawn_unchecked_<rustc_interface[c658e2eb83b650ee]::util::run_in_thread_pool_with_globals<rustc_interface[c658e2eb83b650ee]::interface::run_compiler<core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>, rustc_driver[5831ce5c342d4369]::run_compiler::{closure#1}>::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[a63a2898d00cab06]::result::Result<(), rustc_errors[1f6baef87c961037]::ErrorGuaranteed>>::{closure#1} as core[a63a2898d00cab06]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  80:        0x1037cadc4 - std::sys::unix::thread::Thread::new::thread_start::h0a3d725412114228
  81:        0x19592e06c - __pthread_deallocate

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 1.66.1 (90743e729 2023-01-10) running on aarch64-apple-darwin

note: compiler flags: --crate-type lib -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [typeck] type-checking `foo`
#1 [thir_body] building THIR for `foo`
#2 [mir_built] building MIR for `foo`
#3 [unsafety_check_result] unsafety-checking `foo`
#4 [mir_const] preparing `foo` for borrow checking
#5 [mir_promoted] processing MIR for `foo`
#6 [mir_borrowck] borrow-checking `foo`
#7 [type_of] computing type of `foo::{opaque#0}`
#8 [check_mod_item_types] checking item types in top-level module
#9 [analysis] running analysis passes on this crate
end of query stack

cargo-bisect-rustc for start:

---

Regression in 4b3b731

---

searched nightlies: from nightly-2022-10-15 to nightly-2022-10-30
regressed nightly: nightly-2022-10-21
searched commit range: 4b8f431...dcb3761
regressed commit: 4b3b731

bisected with cargo-bisect-rustc v0.6.5

Host triple: aarch64-apple-darwin
Reproduce with:

cargo bisect-rustc --regress ice 

cargo-bisect-rustc for end:

---

Regression in 80a9646

---

searched nightlies: from nightly-2022-10-21 to nightly-2023-02-24
regressed nightly: nightly-2022-11-27
searched commit range: 8681d4c...80a9646
regressed commit: 80a9646

bisected with cargo-bisect-rustc v0.6.5

Host triple: aarch64-apple-darwin
Reproduce with:

cargo bisect-rustc --regress non-ice --start 2022-10-21 

[izik1]

Reading that leads me to #104788
which fixed #104787