thread 'rustc' panicked at compiler/rustc_infer/src/infer/mod.rs:956:17:
Box<dyn Any>
stack backtrace:
   0:        0x103656cd0 - std::backtrace::Backtrace::create::h9c81e321f132e13f
   1:        0x10cdda25c - <alloc[4b80ccc9f7f3a6e8]::boxed::Box<rustc_driver_impl[1b105f409bb7bb18]::install_ice_hook::{closure#0}> as core[7515e878ec86e681]::ops::function::Fn<(&dyn for<'a, 'b> core[7515e878ec86e681]::ops::function::Fn<(&'a core[7515e878ec86e681]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[7515e878ec86e681]::marker::Sync + core[7515e878ec86e681]::marker::Send, &core[7515e878ec86e681]::panic::panic_info::PanicInfo)>>::call
   2:        0x10366fc84 - std::panicking::rust_panic_with_hook::h7c73fc6bbc313918
   3:        0x10ce3e728 - std[3d93147608665edc]::panicking::begin_panic::<rustc_errors[49e938e0a3a3a599]::ExplicitBug>::{closure#0}
   4:        0x10ce3e35c - std[3d93147608665edc]::sys_common::backtrace::__rust_end_short_backtrace::<std[3d93147608665edc]::panicking::begin_panic<rustc_errors[49e938e0a3a3a599]::ExplicitBug>::{closure#0}, !>
   5:        0x110f14a84 - std[3d93147608665edc]::panicking::begin_panic::<rustc_errors[49e938e0a3a3a599]::ExplicitBug>
   6:        0x10ce28efc - <rustc_errors[49e938e0a3a3a599]::diagnostic::BugAbort as rustc_errors[49e938e0a3a3a599]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
   7:        0x10d3f0cd0 - <rustc_errors[49e938e0a3a3a599]::DiagCtxt>::span_bug::<rustc_span[6e93dcc1d40aacd1]::span_encoding::Span, alloc[4b80ccc9f7f3a6e8]::string::String>
   8:        0x10d3f6c84 - rustc_middle[629cda8e2a4cd8db]::util::bug::opt_span_bug_fmt::<rustc_span[6e93dcc1d40aacd1]::span_encoding::Span>::{closure#0}
   9:        0x10d3f6cb8 - rustc_middle[629cda8e2a4cd8db]::ty::context::tls::with_opt::<rustc_middle[629cda8e2a4cd8db]::util::bug::opt_span_bug_fmt<rustc_span[6e93dcc1d40aacd1]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  10:        0x10d3f6af0 - rustc_middle[629cda8e2a4cd8db]::ty::context::tls::with_context_opt::<rustc_middle[629cda8e2a4cd8db]::ty::context::tls::with_opt<rustc_middle[629cda8e2a4cd8db]::util::bug::opt_span_bug_fmt<rustc_span[6e93dcc1d40aacd1]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  11:        0x110f6b644 - rustc_middle[629cda8e2a4cd8db]::util::bug::span_bug_fmt::<rustc_span[6e93dcc1d40aacd1]::span_encoding::Span>
  12:        0x10d46664c - <rustc_infer[ddcd8d1a94844f31]::infer::InferCtxt>::subtype_predicate
  13:        0x10e7b74a0 - <rustc_trait_selection[a55cdf365824017d]::traits::fulfill::FulfillProcessor as rustc_data_structures[7b27857b5b6b7047]::obligation_forest::ObligationProcessor>::process_obligation
  14:        0x10e79ea14 - <rustc_data_structures[7b27857b5b6b7047]::obligation_forest::ObligationForest<rustc_trait_selection[a55cdf365824017d]::traits::fulfill::PendingPredicateObligation>>::process_obligations::<rustc_trait_selection[a55cdf365824017d]::traits::fulfill::FulfillProcessor>
  15:        0x10e7ade58 - <rustc_trait_selection[a55cdf365824017d]::traits::fulfill::FulfillmentContext as rustc_infer[ddcd8d1a94844f31]::traits::engine::TraitEngine>::select_where_possible
  16:        0x10d1af640 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  17:        0x10d1aefa4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_method_argument_types
  18:        0x10d1fbf64 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
  19:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  20:        0x10d1b6658 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_decl_initializer
  21:        0x10d1b67d8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_decl
  22:        0x10d1b6c48 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_stmt
  23:        0x10d1b719c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
  24:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  25:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
  26:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  27:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  28:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
  29:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
  30:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  31:        0x10d1fbb20 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
  32:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  33:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  34:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
  35:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
  36:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  37:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  38:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
  39:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
  40:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  41:        0x10d19afe8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_return_expr
  42:        0x10d301ef4 - rustc_hir_typeck[d41d9fa0d9f28cce]::check::check_fn
  43:        0x10d1f70dc - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_closure
  44:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  45:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  46:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
  47:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
  48:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  49:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
  50:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  51:        0x10d1f954c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
  52:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  53:        0x10d19afe8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_return_expr
  54:        0x10d301ef4 - rustc_hir_typeck[d41d9fa0d9f28cce]::check::check_fn
  55:        0x10d1f70dc - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_closure
  56:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  57:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  58:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
  59:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
  60:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  61:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
  62:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  63:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  64:        0x10d1aefa4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_method_argument_types
  65:        0x10d1fbf64 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
  66:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  67:        0x10d1b6658 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_decl_initializer
  68:        0x10d1b67d8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_decl
  69:        0x10d1b6c48 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_stmt
  70:        0x10d1b719c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
  71:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  72:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  73:        0x10d1aefa4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_method_argument_types
  74:        0x10d1fbf64 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
  75:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  76:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
  77:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  78:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
  79:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  80:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  81:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
  82:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
  83:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  84:        0x10d1fbb20 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
  85:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  86:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  87:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
  88:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
  89:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  90:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  91:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
  92:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
  93:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  94:        0x10d19afe8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_return_expr
  95:        0x10d301ef4 - rustc_hir_typeck[d41d9fa0d9f28cce]::check::check_fn
  96:        0x10d1f70dc - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_closure
  97:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  98:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
  99:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
 100:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
 101:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 102:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
 103:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 104:        0x10d1f954c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
 105:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 106:        0x10d19afe8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_return_expr
 107:        0x10d301ef4 - rustc_hir_typeck[d41d9fa0d9f28cce]::check::check_fn
 108:        0x10d1f70dc - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_closure
 109:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 110:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
 111:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
 112:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
 113:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 114:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
 115:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 116:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
 117:        0x10d1aefa4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_method_argument_types
 118:        0x10d1fbf64 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
 119:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 120:        0x10d1b6658 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_decl_initializer
 121:        0x10d1b67d8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_decl
 122:        0x10d1b6c48 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_stmt
 123:        0x10d1b719c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
 124:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 125:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
 126:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 127:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
 128:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
 129:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
 130:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 131:        0x10d1fbb20 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
 132:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 133:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
 134:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
 135:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
 136:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 137:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
 138:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
 139:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
 140:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 141:        0x10d19afe8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_return_expr
 142:        0x10d301ef4 - rustc_hir_typeck[d41d9fa0d9f28cce]::check::check_fn
 143:        0x10d1f70dc - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_closure
 144:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 145:        0x10d1afb0c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_argument_types
 146:        0x10d18c198 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::confirm_builtin_call
 147:        0x10d18acb4 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_call
 148:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 149:        0x10d1f954c - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_kind
 150:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 151:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
 152:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 153:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
 154:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 155:        0x10d1b71d0 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_block_with_expected
 156:        0x10d19a4b8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
 157:        0x10d19afe8 - <rustc_hir_typeck[d41d9fa0d9f28cce]::fn_ctxt::FnCtxt>::check_return_expr
 158:        0x10d301ef4 - rustc_hir_typeck[d41d9fa0d9f28cce]::check::check_fn
 159:        0x10d2ea9bc - rustc_hir_typeck[d41d9fa0d9f28cce]::typeck
 160:        0x10e0ada74 - rustc_query_impl[1c7ca030b5f3ba97]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1c7ca030b5f3ba97]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 8usize]>>
 161:        0x10e1cbc34 - <rustc_query_impl[1c7ca030b5f3ba97]::query_impl::typeck::dynamic_query::{closure#2} as core[7515e878ec86e681]::ops::function::FnOnce<(rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt, rustc_span[6e93dcc1d40aacd1]::def_id::LocalDefId)>>::call_once
 162:        0x10e0523e4 - rustc_query_system[db975b41d4a5214b]::query::plumbing::try_execute_query::<rustc_query_impl[1c7ca030b5f3ba97]::DynamicConfig<rustc_query_system[db975b41d4a5214b]::query::caches::VecCache<rustc_span[6e93dcc1d40aacd1]::def_id::LocalDefId, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1c7ca030b5f3ba97]::plumbing::QueryCtxt, true>
 163:        0x10e1ce76c - rustc_query_impl[1c7ca030b5f3ba97]::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
 164:        0x10cfb1068 - rustc_middle[629cda8e2a4cd8db]::query::plumbing::query_get_at::<rustc_query_system[db975b41d4a5214b]::query::caches::VecCache<rustc_span[6e93dcc1d40aacd1]::def_id::LocalDefId, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 8usize]>>>
 165:        0x10cfc5304 - rustc_hir_analysis[e4629a75d960984e]::collect::type_of::opaque::find_opaque_ty_constraints_for_rpit
 166:        0x10cfe0658 - rustc_hir_analysis[e4629a75d960984e]::collect::type_of::type_of_opaque
 167:        0x10e0a9144 - rustc_query_impl[1c7ca030b5f3ba97]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1c7ca030b5f3ba97]::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 8usize]>>
 168:        0x10e24ebf4 - <rustc_query_impl[1c7ca030b5f3ba97]::query_impl::type_of_opaque::dynamic_query::{closure#2} as core[7515e878ec86e681]::ops::function::FnOnce<(rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt, rustc_span[6e93dcc1d40aacd1]::def_id::DefId)>>::call_once
 169:        0x10dfbebdc - rustc_query_system[db975b41d4a5214b]::query::plumbing::try_execute_query::<rustc_query_impl[1c7ca030b5f3ba97]::DynamicConfig<rustc_query_system[db975b41d4a5214b]::query::caches::DefIdCache<rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1c7ca030b5f3ba97]::plumbing::QueryCtxt, true>
 170:        0x10e1a865c - rustc_query_impl[1c7ca030b5f3ba97]::query_impl::type_of_opaque::get_query_incr::__rust_end_short_backtrace
 171:        0x10cfc94c4 - rustc_middle[629cda8e2a4cd8db]::query::plumbing::query_get_at::<rustc_query_system[db975b41d4a5214b]::query::caches::DefIdCache<rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 8usize]>>>
 172:        0x10cfdf7d0 - rustc_hir_analysis[e4629a75d960984e]::collect::type_of::type_of
 173:        0x10e0adaf4 - rustc_query_impl[1c7ca030b5f3ba97]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1c7ca030b5f3ba97]::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 8usize]>>
 174:        0x10e254df8 - <rustc_query_impl[1c7ca030b5f3ba97]::query_impl::type_of::dynamic_query::{closure#2} as core[7515e878ec86e681]::ops::function::FnOnce<(rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt, rustc_span[6e93dcc1d40aacd1]::def_id::DefId)>>::call_once
 175:        0x10dfbebdc - rustc_query_system[db975b41d4a5214b]::query::plumbing::try_execute_query::<rustc_query_impl[1c7ca030b5f3ba97]::DynamicConfig<rustc_query_system[db975b41d4a5214b]::query::caches::DefIdCache<rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1c7ca030b5f3ba97]::plumbing::QueryCtxt, true>
 176:        0x10e1a84d0 - rustc_query_impl[1c7ca030b5f3ba97]::query_impl::type_of::get_query_incr::__rust_end_short_backtrace
 177:        0x10d86e3e4 - rustc_middle[629cda8e2a4cd8db]::query::plumbing::query_get_at::<rustc_query_system[db975b41d4a5214b]::query::caches::DefIdCache<rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 8usize]>>>
 178:        0x10d85f584 - <rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander>::expand_opaque_ty
 179:        0x10d85f698 - <rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeFolder<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::fold_ty
 180:        0x10d94a498 - <&rustc_middle[629cda8e2a4cd8db]::ty::list::RawList<(), rustc_middle[629cda8e2a4cd8db]::ty::Ty> as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeFoldable<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::try_fold_with::<rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander>
 181:        0x10d8803fc - <rustc_middle[629cda8e2a4cd8db]::ty::Ty as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeSuperFoldable<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::try_super_fold_with::<rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander>
 182:        0x10d85f678 - <rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeFolder<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::fold_ty
 183:        0x10d86299c - rustc_middle[629cda8e2a4cd8db]::ty::util::fold_list::<rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander, &rustc_middle[629cda8e2a4cd8db]::ty::list::RawList<(), rustc_middle[629cda8e2a4cd8db]::ty::generic_args::GenericArg>, rustc_middle[629cda8e2a4cd8db]::ty::generic_args::GenericArg, <&rustc_middle[629cda8e2a4cd8db]::ty::list::RawList<(), rustc_middle[629cda8e2a4cd8db]::ty::generic_args::GenericArg> as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeFoldable<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::try_fold_with<rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander>::{closure#0}>
 184:        0x10d880284 - <rustc_middle[629cda8e2a4cd8db]::ty::Ty as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeSuperFoldable<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::try_super_fold_with::<rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander>
 185:        0x10d85f678 - <rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeFolder<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::fold_ty
 186:        0x10d9490ac - <&rustc_middle[629cda8e2a4cd8db]::ty::list::RawList<(), rustc_middle[629cda8e2a4cd8db]::ty::generic_args::GenericArg> as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeFoldable<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::try_fold_with::<rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander>
 187:        0x10d880254 - <rustc_middle[629cda8e2a4cd8db]::ty::Ty as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeSuperFoldable<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::try_super_fold_with::<rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander>
 188:        0x10d85f678 - <rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander as rustc_type_ir[e5e638a38c0cd4a]::fold::TypeFolder<rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>>::fold_ty
 189:        0x10d85f5b4 - <rustc_middle[629cda8e2a4cd8db]::ty::util::OpaqueTypeExpander>::expand_opaque_ty
 190:        0x10d7f3e84 - <rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt>::try_expand_impl_trait_type
 191:        0x10cfb7924 - rustc_hir_analysis[e4629a75d960984e]::check::check::check_item_type
 192:        0x10d12c56c - rustc_hir_analysis[e4629a75d960984e]::check::wfcheck::check_well_formed
 193:        0x10e0aa2b8 - rustc_query_impl[1c7ca030b5f3ba97]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1c7ca030b5f3ba97]::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 1usize]>>
 194:        0x10e1d61b4 - <rustc_query_impl[1c7ca030b5f3ba97]::query_impl::check_well_formed::dynamic_query::{closure#2} as core[7515e878ec86e681]::ops::function::FnOnce<(rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt, rustc_hir[9ca4dba0bf3746b]::hir_id::OwnerId)>>::call_once
 195:        0x10e05dc5c - rustc_query_system[db975b41d4a5214b]::query::plumbing::try_execute_query::<rustc_query_impl[1c7ca030b5f3ba97]::DynamicConfig<rustc_query_system[db975b41d4a5214b]::query::caches::VecCache<rustc_hir[9ca4dba0bf3746b]::hir_id::OwnerId, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[1c7ca030b5f3ba97]::plumbing::QueryCtxt, true>
 196:        0x10e1e6a98 - rustc_query_impl[1c7ca030b5f3ba97]::query_impl::check_well_formed::get_query_incr::__rust_end_short_backtrace
 197:        0x10d00e8dc - rustc_middle[629cda8e2a4cd8db]::query::plumbing::query_ensure_error_guaranteed::<rustc_query_system[db975b41d4a5214b]::query::caches::VecCache<rustc_hir[9ca4dba0bf3746b]::hir_id::OwnerId, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 1usize]>>, ()>
 198:        0x10d13c3f4 - <rustc_data_structures[7b27857b5b6b7047]::sync::parallel::ParallelGuard>::run::<core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>, rustc_data_structures[7b27857b5b6b7047]::sync::parallel::enabled::try_par_for_each_in<&[rustc_hir[9ca4dba0bf3746b]::hir::ItemId], rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed, <rustc_middle[629cda8e2a4cd8db]::hir::ModuleItems>::par_items<rustc_hir_analysis[e4629a75d960984e]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>::{closure#0}::{closure#2}::{closure#0}>
 199:        0x10d00be8c - <rustc_middle[629cda8e2a4cd8db]::hir::ModuleItems>::par_items::<rustc_hir_analysis[e4629a75d960984e]::check::wfcheck::check_mod_type_wf::{closure#0}>
 200:        0x10d132d30 - rustc_hir_analysis[e4629a75d960984e]::check::wfcheck::check_mod_type_wf
 201:        0x10e0aa294 - rustc_query_impl[1c7ca030b5f3ba97]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1c7ca030b5f3ba97]::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 1usize]>>
 202:        0x10e2025e4 - <rustc_query_impl[1c7ca030b5f3ba97]::query_impl::check_mod_type_wf::dynamic_query::{closure#2} as core[7515e878ec86e681]::ops::function::FnOnce<(rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt, rustc_span[6e93dcc1d40aacd1]::def_id::LocalModDefId)>>::call_once
 203:        0x10e008e14 - rustc_query_system[db975b41d4a5214b]::query::plumbing::try_execute_query::<rustc_query_impl[1c7ca030b5f3ba97]::DynamicConfig<rustc_query_system[db975b41d4a5214b]::query::caches::DefaultCache<rustc_span[6e93dcc1d40aacd1]::def_id::LocalModDefId, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[1c7ca030b5f3ba97]::plumbing::QueryCtxt, true>
 204:        0x10e133e1c - rustc_query_impl[1c7ca030b5f3ba97]::query_impl::check_mod_type_wf::get_query_incr::__rust_end_short_backtrace
 205:        0x10d153fd0 - rustc_hir_analysis[e4629a75d960984e]::check_crate
 206:        0x10d50a15c - rustc_interface[f7285cbade26d35]::passes::analysis
 207:        0x10e0adb14 - rustc_query_impl[1c7ca030b5f3ba97]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1c7ca030b5f3ba97]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 1usize]>>
 208:        0x10e1d72c4 - <rustc_query_impl[1c7ca030b5f3ba97]::query_impl::analysis::dynamic_query::{closure#2} as core[7515e878ec86e681]::ops::function::FnOnce<(rustc_middle[629cda8e2a4cd8db]::ty::context::TyCtxt, ())>>::call_once
 209:        0x10dfc7aa0 - rustc_query_system[db975b41d4a5214b]::query::plumbing::try_execute_query::<rustc_query_impl[1c7ca030b5f3ba97]::DynamicConfig<rustc_query_system[db975b41d4a5214b]::query::caches::SingleCache<rustc_middle[629cda8e2a4cd8db]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[1c7ca030b5f3ba97]::plumbing::QueryCtxt, true>
 210:        0x10e255e10 - rustc_query_impl[1c7ca030b5f3ba97]::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
 211:        0x10cd4ccc8 - <rustc_middle[629cda8e2a4cd8db]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[1b105f409bb7bb18]::run_compiler::{closure#0}::{closure#1}::{closure#3}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>
 212:        0x10cd9e92c - <rustc_interface[f7285cbade26d35]::interface::Compiler>::enter::<rustc_driver_impl[1b105f409bb7bb18]::run_compiler::{closure#0}::{closure#1}, core[7515e878ec86e681]::result::Result<core[7515e878ec86e681]::option::Option<rustc_interface[f7285cbade26d35]::queries::Linker>, rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>
 213:        0x10cdcfd68 - <scoped_tls[5eec29b408166d7b]::ScopedKey<rustc_span[6e93dcc1d40aacd1]::SessionGlobals>>::set::<rustc_interface[f7285cbade26d35]::util::run_in_thread_with_globals<rustc_interface[f7285cbade26d35]::util::run_in_thread_pool_with_globals<rustc_interface[f7285cbade26d35]::interface::run_compiler<core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>, rustc_driver_impl[1b105f409bb7bb18]::run_compiler::{closure#0}>::{closure#1}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>::{closure#0}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>
 214:        0x10cd6c44c - rustc_span[6e93dcc1d40aacd1]::create_session_globals_then::<core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>, rustc_interface[f7285cbade26d35]::util::run_in_thread_with_globals<rustc_interface[f7285cbade26d35]::util::run_in_thread_pool_with_globals<rustc_interface[f7285cbade26d35]::interface::run_compiler<core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>, rustc_driver_impl[1b105f409bb7bb18]::run_compiler::{closure#0}>::{closure#1}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>::{closure#0}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}>
 215:        0x10cdd890c - std[3d93147608665edc]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[f7285cbade26d35]::util::run_in_thread_with_globals<rustc_interface[f7285cbade26d35]::util::run_in_thread_pool_with_globals<rustc_interface[f7285cbade26d35]::interface::run_compiler<core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>, rustc_driver_impl[1b105f409bb7bb18]::run_compiler::{closure#0}>::{closure#1}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>::{closure#0}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>
 216:        0x10cd78824 - <<std[3d93147608665edc]::thread::Builder>::spawn_unchecked_<rustc_interface[f7285cbade26d35]::util::run_in_thread_with_globals<rustc_interface[f7285cbade26d35]::util::run_in_thread_pool_with_globals<rustc_interface[f7285cbade26d35]::interface::run_compiler<core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>, rustc_driver_impl[1b105f409bb7bb18]::run_compiler::{closure#0}>::{closure#1}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>::{closure#0}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7515e878ec86e681]::result::Result<(), rustc_span[6e93dcc1d40aacd1]::ErrorGuaranteed>>::{closure#2} as core[7515e878ec86e681]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
 217:        0x10367870c - std::sys::pal::unix::thread::Thread::new::thread_start::h46b0904b4bed29fb
 218:        0x1aa79bfa8 - __pthread_joiner_wake


rustc version: 1.79.0-nightly (1cec373f6 2024-04-16)
platform: aarch64-apple-darwin

query stack during panic:
#0 [typeck] type-checking `app::__App`
#1 [type_of_opaque] computing type of opaque `app::__App::{opaque#0}`
#2 [type_of] computing type of `app::__App::{opaque#0}`
#3 [check_well_formed] checking that `app::App::{opaque#0}` is well-formed
#4 [check_mod_type_wf] checking that types are well-formed in module `app`
#5 [analysis] running analysis passes on this crate
end of query stack