thread 'rustc' panicked at compiler/rustc_infer/src/infer/mod.rs:957:17:
Box<dyn Any>
stack backtrace:
   0:     0x2a498a1837f4 - <unknown>
   1:     0x2a498a183745 - std::backtrace::Backtrace::force_capture::h3128b41a00a445da
   2:     0x2a498de48cda - <unknown>
   3:     0x2a498a18e733 - std::panicking::rust_panic_with_hook::hc8951f858be87e9b
   4:     0x2a49937eb356 - <unknown>
   5:     0x2a49937eafa6 - <unknown>
   6:     0x2a4993808ec6 - <unknown>
   7:     0x2a49937e0661 - <rustc_errors[4d50645edbdf0e2a]::diagnostic::BugAbort as rustc_errors[4d50645edbdf0e2a]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
   8:     0x2a4992a1e1e8 - <unknown>
   9:     0x2a49929cb06f - <unknown>
  10:     0x2a49929cb0ba - <unknown>
  11:     0x2a49929cacb4 - <unknown>
  12:     0x2a49929ca33a - <unknown>
  13:     0x2a4992a5a99b - <rustc_infer[61305799fd09ce6c]::infer::InferCtxt>::subtype_predicate
  14:     0x2a499284bb6c - <rustc_trait_selection[5c54faac67145490]::traits::fulfill::FulfillProcessor as rustc_data_structures[1ce2c4aad3b82fec]::obligation_forest::ObligationProcessor>::process_obligation
  15:     0x2a499282ebf8 - <unknown>
  16:     0x2a4992845c05 - <rustc_trait_selection[5c54faac67145490]::traits::fulfill::FulfillmentContext as rustc_infer[61305799fd09ce6c]::traits::engine::TraitEngine>::select_where_possible
  17:     0x2a4990f754c4 - <unknown>
  18:     0x2a4990f74b5d - <unknown>
  19:     0x2a4990fcbf81 - <unknown>
  20:     0x2a4990f5ca05 - <unknown>
  21:     0x2a4990f7e393 - <unknown>
  22:     0x2a4990f5ca05 - <unknown>
  23:     0x2a4990fc62ac - <unknown>
  24:     0x2a4990f5ca05 - <unknown>
  25:     0x2a4990f7e6e9 - <unknown>
  26:     0x2a4990f5ca05 - <unknown>
  27:     0x2a4990fc62ac - <unknown>
  28:     0x2a4990f5ca05 - <unknown>
  29:     0x2a4990f7e6e9 - <unknown>
  30:     0x2a4990fc4664 - <unknown>
  31:     0x2a4990f5ca05 - <unknown>
  32:     0x2a4990f7e272 - <unknown>
  33:     0x2a4990f5ca05 - <unknown>
  34:     0x2a4990f5d370 - <unknown>
  35:     0x2a49910e49c3 - <unknown>
  36:     0x2a499110aa36 - rustc_hir_typeck[331aa53120f5aaa4]::typeck
  37:     0x2a499207793c - <unknown>
  38:     0x2a4992365cfc - <unknown>
  39:     0x2a499217a6c7 - <unknown>
  40:     0x2a499238d356 - <unknown>
  41:     0x2a49912f1918 - <unknown>
  42:     0x2a49912b212a - <unknown>
  43:     0x2a49913c814e - rustc_hir_analysis[1ebe10e72455ea5e]::check_crate
  44:     0x2a498e0414e5 - <unknown>
  45:     0x2a499207798a - <unknown>
  46:     0x2a49922775b8 - <unknown>
  47:     0x2a49920cf252 - <unknown>
  48:     0x2a499237e0c3 - <unknown>
  49:     0x2a498de352d7 - <unknown>
  50:     0x2a498de8438d - <unknown>
  51:     0x2a498de783bb - <unknown>
  52:     0x2a498de6504c - <unknown>
  53:     0x2a498de804e2 - <unknown>
  54:     0x2a498de8143a - <unknown>
  55:     0x2a498a169e2b - <unknown>
  56:     0x2a4996382bb5 - thread_start
                               at /disk-samsung/freebsd-src/lib/libthr/thread/thr_create.c:289:16


rustc version: 1.80.0-nightly (7d83a4c13 2024-05-06) (built from a source tarball)
platform: x86_64-unknown-freebsd

query stack during panic:
#0 [typeck] type-checking `bottom_up::build_bottom_up_graph`
#1 [analysis] running analysis passes on this crate
end of query stack