thread 'rustc' panicked at 'forcing query with already existing `DepNode`
- query-key: Binder(cluster_set::ClusterInternal<{integer}, ()>, [])
- dep-node: own_existential_vtable_entries(a965f9c82c7a057e-34da6f267b48538f)', /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/compiler/rustc_query_system/src/dep_graph/graph.rs:247:9
stack backtrace:
   0:        0x10e33f321 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4edbddd26fc45697
   1:        0x10e3904bb - core::fmt::write::h266c957f12b1655a
   2:        0x10e32fd3a - std::io::Write::write_fmt::h65d4ee621e8d810d
   3:        0x10e342585 - std::panicking::default_hook::{{closure}}::h5b4886cd9f93dfca
   4:        0x10e34216f - std::panicking::default_hook::h986d152c7bd7e732
   5:        0x1145d57c8 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::h997411fe6ff6a285
   6:        0x10e342dc6 - std::panicking::rust_panic_with_hook::h151f3b3bf37b4f17
   7:        0x10e34283e - std::panicking::begin_panic_handler::{{closure}}::hf6660086d9ebd48c
   8:        0x10e33f797 - std::sys_common::backtrace::__rust_end_short_backtrace::h34152178ea368a9a
   9:        0x10e3427aa - _rust_begin_unwind
  10:        0x10e3bb05f - core::panicking::panic_fmt::hb64a2db862b4aca0
  11:        0x117da5f52 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task::h14823017a5a1697e
  12:        0x117cd5f30 - rustc_data_structures::stack::ensure_sufficient_stack::haba6544b1a98446b
  13:        0x117b82975 - rustc_query_system::query::plumbing::try_execute_query::hd6604657c722c436
  14:        0x117c116fb - rustc_query_system::query::plumbing::get_query::hbda43b871f1e68ac
  15:        0x117d4f06c - <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::own_existential_vtable_entries::habf6e1b1127c9ae1
  16:        0x11878aa71 - rustc_trait_selection::traits::util::count_own_vtable_entries::hf252515eecb86653
  17:        0x1187581b9 - rustc_trait_selection::traits::vtable_trait_first_method_offset::h0886bae50e69c0ef
  18:        0x11872d4be - rustc_trait_selection::traits::select::confirmation::<impl rustc_trait_selection::traits::select::SelectionContext>::confirm_candidate::hb5c10dc807d780d5
  19:        0x118731a23 - rustc_trait_selection::traits::select::SelectionContext::select::h1df9a925b4352d39
  20:        0x1186d6b45 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h2ae6dc56c84cec5d
  21:        0x1186cd97e - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h3531f9f63c8db618
  22:        0x118738563 - rustc_data_structures::obligation_forest::ObligationForest<O>::process_obligations::hc533520ef3cacfbf
  23:        0x1186cbf62 - rustc_trait_selection::traits::fulfill::FulfillmentContext::select::h49f1aba9aab87401
  24:        0x1186cc7ef - <rustc_trait_selection::traits::fulfill::FulfillmentContext as rustc_infer::traits::engine::TraitEngine>::select_with_constness_where_possible::h2d373ebb76540b1a
  25:        0x116f9164f - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_argument_types::hf2016b5c63c178a0
  26:        0x116f90b47 - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_method_argument_types::h367cacce763fdc58
  27:        0x116fcc156 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h5a62ce0d53dd555d
  28:        0x116f82c9b - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::hc5a2352203d61723
  29:        0x116fc9845 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h5a62ce0d53dd555d
  30:        0x116f82c9b - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::hc5a2352203d61723
  31:        0x116f83eda - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_return_expr::h715557a93547b347
  32:        0x11718bb2c - rustc_typeck::check::check::check_fn::hd6cd0ee3cba8413b
  33:        0x116fc6f44 - rustc_typeck::check::closure::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_closure::haf6149cada89d092
  34:        0x116fc9110 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h5a62ce0d53dd555d
  35:        0x116f82c9b - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::hc5a2352203d61723
  36:        0x116fcc2e1 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h5a62ce0d53dd555d
  37:        0x116f82c9b - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::hc5a2352203d61723
  38:        0x116f91c78 - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_argument_types::hf2016b5c63c178a0
  39:        0x116f90b47 - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_method_argument_types::h367cacce763fdc58
  40:        0x116fcc156 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h5a62ce0d53dd555d
  41:        0x116f82c9b - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::hc5a2352203d61723
  42:        0x116f958af - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_stmt::h328e1d22e31a05c7
  43:        0x116f9627f - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected::h394d2e1c21aa7600
  44:        0x116f82c9b - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::hc5a2352203d61723
  45:        0x116f83eda - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_return_expr::h715557a93547b347
  46:        0x11718bb2c - rustc_typeck::check::check::check_fn::hd6cd0ee3cba8413b
  47:        0x117095243 - rustc_infer::infer::InferCtxtBuilder::enter::h930293ce7c40a3cd
  48:        0x11706f8df - rustc_typeck::check::typeck::hcc5246241d538688
  49:        0x117e00848 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task::hf096ebc87d5bdebb
  50:        0x117cda4c2 - rustc_data_structures::stack::ensure_sufficient_stack::hcb33e766e88e13ac
  51:        0x117b46c02 - rustc_query_system::query::plumbing::try_execute_query::h896b170d71487f0f
  52:        0x117d4ca67 - <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck::hc5b500dfc494a7f4
  53:        0x11706fd42 - rustc_typeck::check::typeck::hcc5246241d538688
  54:        0x117e00848 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task::hf096ebc87d5bdebb
  55:        0x117cda4c2 - rustc_data_structures::stack::ensure_sufficient_stack::hcb33e766e88e13ac
  56:        0x117b46c02 - rustc_query_system::query::plumbing::try_execute_query::h896b170d71487f0f
  57:        0x117d4ca67 - <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck::hc5b500dfc494a7f4
  58:        0x11718e77d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5fa7bd5485ffd8c9
  59:        0x1171b103d - rustc_data_structures::sync::par_for_each_in::h2fdf41b78b7e5a63
  60:        0x117074cb5 - rustc_typeck::check::typeck_item_bodies::h7c62d5e0640aa808
  61:        0x117dea9e8 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task::hbd3ccc69f6d4395d
  62:        0x117ccdf79 - rustc_data_structures::stack::ensure_sufficient_stack::h71e621c2c8172eb1
  63:        0x117b1b3b1 - rustc_query_system::query::plumbing::try_execute_query::h4a62b2c0ac29f28b
  64:        0x117d4c938 - <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck_item_bodies::h9f20203c133e5cfd
  65:        0x11707a0cc - rustc_session::utils::<impl rustc_session::session::Session>::time::hbef608a0dbee4db3
  66:        0x117038e19 - rustc_typeck::check_crate::h639646483ad1f67a
  67:        0x1146f619f - rustc_interface::passes::analysis::h4f85fbb562aaa2d0
  68:        0x117dab1d8 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task::h250cbf125cf5c5da
  69:        0x117ccd5d5 - rustc_data_structures::stack::ensure_sufficient_stack::h6bf2db115705a40c
  70:        0x117b9248c - rustc_query_system::query::plumbing::try_execute_query::hea85233fa9cc2fd4
  71:        0x117d480c5 - <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::analysis::hda9a7d1ffac3bca0
  72:        0x114635211 - rustc_interface::passes::QueryContext::enter::hca7a6b48fcdfcc9c
  73:        0x114613be6 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::h5dd0e3e5d157764e
  74:        0x1145e420e - rustc_span::with_source_map::h5222a0af0f8eb603
  75:        0x1146123ac - scoped_tls::ScopedKey<T>::set::h1d3d67352154478d
  76:        0x1145e8c32 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb945015c1b1cd51d
  77:        0x11463a9a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc43c9a06b1d9c32a
  78:        0x10e34cba7 - std::sys::unix::thread::Thread::new::thread_start::h1ebadf8a3a1817e4
  79:     0x7fff204858fc - __pthread_start

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 1.57.0 (f1edd0429 2021-11-29) running on x86_64-apple-darwin

note: compiler flags: -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 -C incremental

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

query stack during panic:
#0 [own_existential_vtable_entries] finding all existential vtable entries for trait cluster_set::ClusterInternal
#1 [typeck] type-checking `basic_cluster_set::tests::basic_cluster_test`
#2 [typeck] type-checking `basic_cluster_set::tests::basic_cluster_test::{closure#0}`
#3 [typeck_item_bodies] type-checking all item bodies
#4 [analysis] running analysis passes on this crate
end of query stack