thread 'rustc' panicked at /rustc/26b5599e4d6ed2b45152c60493c1788c0a27533d/compiler/rustc_type_ir/src/search_graph/global_cache.rs:62:13:
assertion failed: prev.is_none()
stack backtrace:
   0:     0x7845dcab48e5 - std::backtrace::Backtrace::create::h3ae396990504001b
   1:     0x7845db072395 - std::backtrace::Backtrace::force_capture::h966e90fb64082712
   2:     0x7845da1a0f37 - std[dbf153a3c4c7da75]::panicking::update_hook::<alloc[9dc6147f1f16c854]::boxed::Box<rustc_driver_impl[82dbab975e01e6e2]::install_ice_hook::{closure#0}>>::{closure#0}
   3:     0x7845db0897b8 - std::panicking::rust_panic_with_hook::h2fbc7848bd138bf1
   4:     0x7845db089553 - std::panicking::begin_panic_handler::{{closure}}::hc439499884a4b219
   5:     0x7845db0871c9 - std::sys::backtrace::__rust_end_short_backtrace::hcc71b0742078f0c0
   6:     0x7845db089254 - rust_begin_unwind
   7:     0x7845d7d3d843 - core::panicking::panic_fmt::hbf678bbc126bd0af
   8:     0x7845d8087ddc - core::panicking::panic::he668b3d4a4f82e0d
   9:     0x7845dc4ae6ce - <rustc_type_ir[602c0c6c632b65bd]::search_graph::SearchGraph<rustc_next_trait_solver[4ce4681625c4863d]::solve::search_graph::SearchGraphDelegate<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate>, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::insert_global_cache::{closure#0}
  10:     0x7845dc4af537 - <rustc_type_ir[602c0c6c632b65bd]::search_graph::SearchGraph<rustc_next_trait_solver[4ce4681625c4863d]::solve::search_graph::SearchGraphDelegate<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate>, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::with_new_goal::<<rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_canonical_goal::{closure#0}::{closure#0}::{closure#0}>
  11:     0x7845dc4b551a - <rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_goal_raw
  12:     0x7845dc4b1325 - <rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::try_evaluate_added_goals
  13:     0x7845dc4a142d - <rustc_type_ir[602c0c6c632b65bd]::search_graph::SearchGraph<rustc_next_trait_solver[4ce4681625c4863d]::solve::search_graph::SearchGraphDelegate<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate>, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_goal_in_task::<&mut <rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_canonical_goal::{closure#0}::{closure#0}::{closure#0}>
  14:     0x7845dc4af2f6 - <rustc_type_ir[602c0c6c632b65bd]::search_graph::SearchGraph<rustc_next_trait_solver[4ce4681625c4863d]::solve::search_graph::SearchGraphDelegate<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate>, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::with_new_goal::<<rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_canonical_goal::{closure#0}::{closure#0}::{closure#0}>
  15:     0x7845dc4b551a - <rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_goal_raw
  16:     0x7845dc4b10d0 - <rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::try_evaluate_added_goals
  17:     0x7845dc4b19f0 - <rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_added_goals_and_make_canonical_response::{closure#0}
  18:     0x7845d9471001 - <rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::compute_trait_goal
  19:     0x7845dc4a0a32 - <rustc_type_ir[602c0c6c632b65bd]::search_graph::SearchGraph<rustc_next_trait_solver[4ce4681625c4863d]::solve::search_graph::SearchGraphDelegate<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate>, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_goal_in_task::<&mut <rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_canonical_goal::{closure#0}::{closure#0}::{closure#0}>
  20:     0x7845dc4af2f6 - <rustc_type_ir[602c0c6c632b65bd]::search_graph::SearchGraph<rustc_next_trait_solver[4ce4681625c4863d]::solve::search_graph::SearchGraphDelegate<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate>, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::with_new_goal::<<rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_canonical_goal::{closure#0}::{closure#0}::{closure#0}>
  21:     0x7845dc4b551a - <rustc_next_trait_solver[4ce4681625c4863d]::solve::eval_ctxt::EvalCtxt<rustc_trait_selection[2f3767758f81a9b1]::solve::delegate::SolverDelegate, rustc_middle[372178d4cf000e51]::ty::context::TyCtxt>>::evaluate_goal_raw
  22:     0x7845dc4b3ba5 - <rustc_trait_selection[2f3767758f81a9b1]::solve::fulfill::FulfillmentCtxt<rustc_trait_selection[2f3767758f81a9b1]::traits::FulfillmentError> as rustc_infer[40680c918449f221]::traits::engine::TraitEngine<rustc_trait_selection[2f3767758f81a9b1]::traits::FulfillmentError>>::select_where_possible
  23:     0x7845dc4b36f9 - <rustc_trait_selection[2f3767758f81a9b1]::solve::fulfill::FulfillmentCtxt<rustc_trait_selection[2f3767758f81a9b1]::traits::FulfillmentError> as rustc_infer[40680c918449f221]::traits::engine::TraitEngine<rustc_trait_selection[2f3767758f81a9b1]::traits::FulfillmentError>>::select_all_or_error
  24:     0x7845dc0ae92d - rustc_trait_selection[2f3767758f81a9b1]::traits::coherence::overlap
  25:     0x7845d8a72608 - <rustc_middle[372178d4cf000e51]::traits::specialization_graph::Children as rustc_trait_selection[2f3767758f81a9b1]::traits::specialize::specialization_graph::ChildrenExt>::insert
  26:     0x7845d8a6fc82 - <rustc_middle[372178d4cf000e51]::traits::specialization_graph::Graph as rustc_trait_selection[2f3767758f81a9b1]::traits::specialize::specialization_graph::GraphExt>::insert
  27:     0x7845dbb17a34 - rustc_trait_selection[2f3767758f81a9b1]::traits::specialize::specialization_graph_provider
  28:     0x7845dbb173a5 - rustc_query_impl[81d3791697797469]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[81d3791697797469]::query_impl::specialization_graph_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[372178d4cf000e51]::query::erase::Erased<[u8; 8usize]>>
  29:     0x7845db820272 - rustc_query_system[e501ed6d95406675]::query::plumbing::try_execute_query::<rustc_query_impl[81d3791697797469]::DynamicConfig<rustc_query_system[e501ed6d95406675]::query::caches::DefIdCache<rustc_middle[372178d4cf000e51]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[81d3791697797469]::plumbing::QueryCtxt, false>
  30:     0x7845dbd4f336 - rustc_query_impl[81d3791697797469]::query_impl::specialization_graph_of::get_query_non_incr::__rust_end_short_backtrace
  31:     0x7845dc474243 - rustc_hir_analysis[3980d319edb0dbc9]::coherence::coherent_trait
  32:     0x7845dc473f55 - rustc_query_impl[81d3791697797469]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[81d3791697797469]::query_impl::coherent_trait::dynamic_query::{closure#2}::{closure#0}, rustc_middle[372178d4cf000e51]::query::erase::Erased<[u8; 1usize]>>
  33:     0x7845dbe38b12 - rustc_query_system[e501ed6d95406675]::query::plumbing::try_execute_query::<rustc_query_impl[81d3791697797469]::DynamicConfig<rustc_query_system[e501ed6d95406675]::query::caches::DefIdCache<rustc_middle[372178d4cf000e51]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[81d3791697797469]::plumbing::QueryCtxt, false>
  34:     0x7845dbe378e3 - rustc_query_impl[81d3791697797469]::query_impl::coherent_trait::get_query_non_incr::__rust_end_short_backtrace
  35:     0x7845d9017595 - rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_well_formed
  36:     0x7845dbbcfb27 - rustc_query_impl[81d3791697797469]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[81d3791697797469]::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle[372178d4cf000e51]::query::erase::Erased<[u8; 1usize]>>
  37:     0x7845dbbcfdb4 - rustc_query_system[e501ed6d95406675]::query::plumbing::try_execute_query::<rustc_query_impl[81d3791697797469]::DynamicConfig<rustc_query_system[e501ed6d95406675]::query::caches::VecCache<rustc_hir[aef0ef93fa31412]::hir_id::OwnerId, rustc_middle[372178d4cf000e51]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[81d3791697797469]::plumbing::QueryCtxt, false>
  38:     0x7845dbbcfb06 - rustc_query_impl[81d3791697797469]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace
  39:     0x7845dbbcfa53 - rustc_middle[372178d4cf000e51]::query::plumbing::query_ensure_error_guaranteed::<rustc_query_system[e501ed6d95406675]::query::caches::VecCache<rustc_hir[aef0ef93fa31412]::hir_id::OwnerId, rustc_middle[372178d4cf000e51]::query::erase::Erased<[u8; 1usize]>>, ()>
  40:     0x7845da2a1119 - rayon[417c9448959795c5]::iter::plumbing::bridge_producer_consumer::helper::<rayon[417c9448959795c5]::slice::IterProducer<rustc_hir[aef0ef93fa31412]::hir::ItemId>, rayon[417c9448959795c5]::iter::filter_map::FilterMapConsumer<rayon[417c9448959795c5]::iter::reduce::ReduceConsumer<<core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>>::and<()>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#1}>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#0}>>
  41:     0x7845da2c900f - rayon_core[5866a558fa7823cf]::join::join_context::<rayon[417c9448959795c5]::iter::plumbing::bridge_producer_consumer::helper<rayon[417c9448959795c5]::slice::IterProducer<rustc_hir[aef0ef93fa31412]::hir::ItemId>, rayon[417c9448959795c5]::iter::filter_map::FilterMapConsumer<rayon[417c9448959795c5]::iter::reduce::ReduceConsumer<<core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>>::and<()>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#1}>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#0}>>::{closure#0}, rayon[417c9448959795c5]::iter::plumbing::bridge_producer_consumer::helper<rayon[417c9448959795c5]::slice::IterProducer<rustc_hir[aef0ef93fa31412]::hir::ItemId>, rayon[417c9448959795c5]::iter::filter_map::FilterMapConsumer<rayon[417c9448959795c5]::iter::reduce::ReduceConsumer<<core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>>::and<()>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#1}>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#0}>>::{closure#1}, core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>, core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>>::{closure#0}
  42:     0x7845da2a132c - rayon[417c9448959795c5]::iter::plumbing::bridge_producer_consumer::helper::<rayon[417c9448959795c5]::slice::IterProducer<rustc_hir[aef0ef93fa31412]::hir::ItemId>, rayon[417c9448959795c5]::iter::filter_map::FilterMapConsumer<rayon[417c9448959795c5]::iter::reduce::ReduceConsumer<<core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>>::and<()>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#1}>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#0}>>
  43:     0x7845da2fde02 - <rayon_core[5866a558fa7823cf]::job::StackJob<rayon_core[5866a558fa7823cf]::latch::SpinLatch, rayon_core[5866a558fa7823cf]::join::join_context::call_b<core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>, rayon[417c9448959795c5]::iter::plumbing::bridge_producer_consumer::helper<rayon[417c9448959795c5]::slice::IterProducer<rustc_hir[aef0ef93fa31412]::hir::ItemId>, rayon[417c9448959795c5]::iter::filter_map::FilterMapConsumer<rayon[417c9448959795c5]::iter::reduce::ReduceConsumer<<core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>>::and<()>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#1}>, rustc_data_structures[1403dbc241404277]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[aef0ef93fa31412]::hir::ItemId], rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed, <rustc_middle[372178d4cf000e51]::hir::ModuleItems>::par_items<rustc_hir_analysis[3980d319edb0dbc9]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#0}>>::{closure#1}>::{closure#0}, core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>> as rayon_core[5866a558fa7823cf]::job::Job>::execute
  44:     0x7845d9cbe20e - <rayon_core[5866a558fa7823cf]::registry::WorkerThread>::wait_until_cold
  45:     0x7845d9cbbd99 - <rayon_core[5866a558fa7823cf]::registry::ThreadBuilder>::run
  46:     0x7845da1a2c27 - <<crossbeam_utils[2a79a005c364b520]::thread::ScopedThreadBuilder>::spawn<<rayon_core[5866a558fa7823cf]::ThreadPoolBuilder>::build_scoped<rustc_interface[9e43cd91206122fc]::util::run_in_thread_pool_with_globals<rustc_interface[9e43cd91206122fc]::interface::run_compiler<core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>, rustc_driver_impl[82dbab975e01e6e2]::run_compiler::{closure#0}>::{closure#1}, core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>>::{closure#3}::{closure#0}::{closure#0}, rustc_interface[9e43cd91206122fc]::util::run_in_thread_pool_with_globals<rustc_interface[9e43cd91206122fc]::interface::run_compiler<core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>, rustc_driver_impl[82dbab975e01e6e2]::run_compiler::{closure#0}>::{closure#1}, core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>>::{closure#3}::{closure#0}::{closure#1}, core[3eb17ea5b3171a49]::result::Result<(), rustc_span[6380c2f0c7870d7a]::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}, ()>::{closure#0} as core[3eb17ea5b3171a49]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  47:     0x7845da1976ee - std[dbf153a3c4c7da75]::sys::backtrace::__rust_begin_short_backtrace::<alloc[9dc6147f1f16c854]::boxed::Box<dyn core[3eb17ea5b3171a49]::ops::function::FnOnce<(), Output = ()> + core[3eb17ea5b3171a49]::marker::Send>, ()>
  48:     0x7845da1a28ca - <<std[dbf153a3c4c7da75]::thread::Builder>::spawn_unchecked_<alloc[9dc6147f1f16c854]::boxed::Box<dyn core[3eb17ea5b3171a49]::ops::function::FnOnce<(), Output = ()> + core[3eb17ea5b3171a49]::marker::Send>, ()>::{closure#1} as core[3eb17ea5b3171a49]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  49:     0x7845dc6892eb - std::sys::pal::unix::thread::Thread::new::thread_start::h2c6608fdb287f01f
  50:     0x7845ddde239d - <unknown>
  51:     0x7845dde6749c - <unknown>
  52:                0x0 - <unknown>


rustc version: 1.83.0-nightly (26b5599e4 2024-09-06)
platform: x86_64-unknown-linux-gnu

query stack during panic:
#0 [specialization_graph_of] building specialization graph of trait `core::cmp::Eq`
#1 [coherent_trait] coherence checking all impls of trait `core::cmp::Eq`
#2 [check_well_formed] checking that `<impl at /home/flippette/.cargo/registry/src/index.crates.io-6f17d22bba15001f/polling-3.7.3/src/lib.rs:144:41: 144:43>` is well-formed
#3 [check_mod_type_wf] checking that types are well-formed in top-level module
#4 [analysis] running analysis passes on this crate
end of query stack