thread 'rustc' panicked at 'Free regions in optimized MIR', compiler/rustc_mir_transform/src/lib.rs:547:5
stack backtrace:
   0:        0x10907a6ce - std::backtrace_rs::backtrace::libunwind::trace::h8720af778d7c0181
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:        0x10907a6ce - std::backtrace_rs::backtrace::trace_unsynchronized::hf7815a0e1738dd97
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:        0x10907a6ce - std::sys_common::backtrace::_print_fmt::ha11d4a1a1561ff52
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/sys_common/backtrace.rs:66:5
   3:        0x10907a6ce - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf59b77655e5f48d5
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/sys_common/backtrace.rs:45:22
   4:        0x1090d2378 - core::fmt::write::h0bf28b88a3df5727
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/core/src/fmt/mod.rs:1198:17
   5:        0x109061b48 - std::io::Write::write_fmt::h8cb983143f9a1413
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/io/mod.rs:1672:15
   6:        0x10907a50d - std::sys_common::backtrace::_print::hef1fdf28489507cc
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/sys_common/backtrace.rs:48:5
   7:        0x10907a50d - std::sys_common::backtrace::print::h8d5f6fa0617a7a6f
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/sys_common/backtrace.rs:35:9
   8:        0x109065fc5 - std::panicking::default_hook::{{closure}}::h9a38b3a5351c2f89
   9:        0x109065c99 - std::panicking::default_hook::h9fd406ed7af6b3b2
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panicking.rs:314:9
  10:        0x1116a142e - <alloc[89887b0a8e56346]::boxed::Box<dyn for<'a, 'b> core[63904394253f1ff0]::ops::function::Fn<(&'a core[63904394253f1ff0]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[63904394253f1ff0]::marker::Sync + core[63904394253f1ff0]::marker::Send> as core[63904394253f1ff0]::ops::function::Fn<(&core[63904394253f1ff0]::panic::panic_info::PanicInfo,)>>::call
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/alloc/src/boxed.rs:1949:9
  11:        0x1116a142e - rustc_driver[bf0a6e59295c656a]::DEFAULT_HOOK::{closure#0}::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_driver/src/lib.rs:1152:13
  12:        0x10906671c - std::panicking::rust_panic_with_hook::h54298efbe823bae4
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panicking.rs:702:17
  13:        0x109032bca - std::panicking::begin_panic_handler::{{closure}}::hfbea0e0703ad8840
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panicking.rs:586:13
  14:        0x109031f07 - std::sys_common::backtrace::__rust_end_short_backtrace::hc1947460183b4f21
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/sys_common/backtrace.rs:138:18
  15:        0x109066113 - rust_begin_unwind
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panicking.rs:584:5
  16:        0x1090d0093 - core::panicking::panic_fmt::hcc0d09e0e6452e5a
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/core/src/panicking.rs:142:14
  17:        0x11417e948 - rustc_mir_transform[81ee5bc38d82fdde]::inner_optimized_mir
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_mir_transform/src/lib.rs:547:5
  18:        0x11417e948 - rustc_mir_transform[81ee5bc38d82fdde]::optimized_mir
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_mir_transform/src/lib.rs:521:21
  19:        0x115704dc3 - <rustc_query_system[6acc35f78a5b05b3]::query::config::QueryVTable<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>>::compute
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/config.rs:43:9
  20:        0x115704dc3 - rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job::<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/plumbing.rs:384:55
  21:        0x115704dc3 - stacker[bdc6927b0c198bbf]::maybe_grow::<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>
                               at /Users/bn/.cargo/registry/src/jiasu.xzqcsaa.nyc.mn-1ecc6299db9ec823/stacker-0.1.14/src/lib.rs:55:9
  22:        0x115704dc3 - rustc_data_structures[ae357cdc4826eb69]::stack::ensure_sufficient_stack::<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_data_structures/src/stack.rs:17:5
  23:        0x115704dc3 - <rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query::<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_impl/src/plumbing.rs:112:17
  24:        0x115704dc3 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::enter_context::<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1929:50
  25:        0x115704dc3 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::set_tlv::<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::enter_context<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1913:9
  26:        0x115704dc3 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::enter_context::<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1929:9
  27:        0x115704dc3 - <rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query::<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_impl/src/plumbing.rs:111:13
  28:        0x115704dc3 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context::<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1973:13
  29:        0x115704dc3 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_context::<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1957:40
  30:        0x115704dc3 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_context_opt::<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_context<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1946:22
  31:        0x115704dc3 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_context::<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1957:9
  32:        0x115704dc3 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context::<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>::{closure#0}, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1970:9
  33:        0x115704dc3 - <rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query::<&rustc_middle[a1ff4a10fa67ddf2]::mir::Body, rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_impl/src/plumbing.rs:100:9
  34:        0x115704dc3 - rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job::<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/plumbing.rs:384:22
  35:        0x115704dc3 - rustc_query_system[6acc35f78a5b05b3]::query::plumbing::try_execute_query::<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_query_system[6acc35f78a5b05b3]::query::caches::DefaultCache<rustc_span[934c8995ffb00c6e]::def_id::DefId, &rustc_middle[a1ff4a10fa67ddf2]::mir::Body>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/plumbing.rs:343:44
  36:        0x1157af8cd - rustc_query_system[6acc35f78a5b05b3]::query::plumbing::get_query::<rustc_query_impl[d4902483cece9c4c]::queries::optimized_mir, rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/plumbing.rs:702:36
  37:        0x115476e1b - <rustc_query_impl[d4902483cece9c4c]::Queries as rustc_middle[a1ff4a10fa67ddf2]::ty::query::QueryEngine>::optimized_mir
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_impl/src/lib.rs:56:1
  38:        0x1165b716e - <rustc_middle[a1ff4a10fa67ddf2]::ty::query::TyCtxtAt>::optimized_mir::<rustc_span[934c8995ffb00c6e]::def_id::DefId>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/query.rs:259:17
  39:        0x1165b716e - <rustc_middle[a1ff4a10fa67ddf2]::ty::context::TyCtxt>::optimized_mir::<rustc_span[934c8995ffb00c6e]::def_id::DefId>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/query.rs:240:17
  40:        0x1165b716e - <rustc_middle[a1ff4a10fa67ddf2]::ty::context::TyCtxt>::instance_mir
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/mod.rs:2223:25
  41:        0x11404f544 - rustc_monomorphize[64e137207db4b01f]::collector::collect_neighbours
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_monomorphize/src/collector.rs:1444:16
  42:        0x11404f544 - rustc_monomorphize[64e137207db4b01f]::collector::collect_items_rec::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_monomorphize/src/collector.rs:484:17
  43:        0x11404da03 - stacker[bdc6927b0c198bbf]::maybe_grow::<(), rustc_monomorphize[64e137207db4b01f]::collector::collect_items_rec::{closure#0}>
                               at /Users/bn/.cargo/registry/src/jiasu.xzqcsaa.nyc.mn-1ecc6299db9ec823/stacker-0.1.14/src/lib.rs:55:9
  44:        0x11404da03 - rustc_data_structures[ae357cdc4826eb69]::stack::ensure_sufficient_stack::<(), rustc_monomorphize[64e137207db4b01f]::collector::collect_items_rec::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_data_structures/src/stack.rs:17:5
  45:        0x11404da03 - rustc_monomorphize[64e137207db4b01f]::collector::collect_items_rec
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_monomorphize/src/collector.rs:483:13
  46:        0x11404e053 - rustc_monomorphize[64e137207db4b01f]::collector::collect_items_rec
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_monomorphize/src/collector.rs:540:9
  47:        0x114042ed4 - rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_monomorphize/src/collector.rs:351:17
  48:        0x114042ed4 - rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in::<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>::{closure#0}::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_data_structures/src/sync.rs:154:66
  49:        0x114042ed4 - <core[63904394253f1ff0]::panic::unwind_safe::AssertUnwindSafe<rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>::{closure#0}::{closure#0}> as core[63904394253f1ff0]::ops::function::FnOnce<()>>::call_once
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/core/src/panic/unwind_safe.rs:271:9
  50:        0x1140293ab - std[1bab12d46382052d]::panicking::try::do_call::<core[63904394253f1ff0]::panic::unwind_safe::AssertUnwindSafe<rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>::{closure#0}::{closure#0}>, ()>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panicking.rs:492:40
  51:        0x1140293ab - std[1bab12d46382052d]::panicking::try::<(), core[63904394253f1ff0]::panic::unwind_safe::AssertUnwindSafe<rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>::{closure#0}::{closure#0}>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panicking.rs:456:19
  52:        0x1140293ab - std[1bab12d46382052d]::panic::catch_unwind::<core[63904394253f1ff0]::panic::unwind_safe::AssertUnwindSafe<rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>::{closure#0}::{closure#0}>, ()>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panic.rs:137:14
  53:        0x1140293ab - rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in::<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_data_structures/src/sync.rs:154:33
  54:        0x1140293ab - core[63904394253f1ff0]::iter::traits::iterator::Iterator::for_each::call::<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem, rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>::{closure#0}>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/core/src/iter/traits/iterator.rs:828:29
  55:        0x1140293ab - <alloc[89887b0a8e56346]::vec::into_iter::IntoIter<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem> as core[63904394253f1ff0]::iter::traits::iterator::Iterator>::fold::<(), core[63904394253f1ff0]::iter::traits::iterator::Iterator::for_each::call<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem, rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>::{closure#0}>::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/core/src/iter/traits/iterator.rs:2414:21
  56:        0x1140293ab - <alloc[89887b0a8e56346]::vec::into_iter::IntoIter<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem> as core[63904394253f1ff0]::iter::traits::iterator::Iterator>::for_each::<rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/core/src/iter/traits/iterator.rs:831:9
  57:        0x1140293ab - rustc_data_structures[ae357cdc4826eb69]::sync::par_for_each_in::<alloc[89887b0a8e56346]::vec::Vec<rustc_middle[a1ff4a10fa67ddf2]::mir::mono::MonoItem>, rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_data_structures/src/sync.rs:153:13
  58:        0x11404bc67 - rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_monomorphize/src/collector.rs:349:13
  59:        0x11404bc67 - <rustc_data_structures[ae357cdc4826eb69]::profiling::VerboseTimingGuard>::run::<(), rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_data_structures/src/profiling.rs:739:9
  60:        0x11404bc67 - <rustc_session[2455ad25bf3d25a2]::session::Session>::time::<(), rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items::{closure#1}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_session/src/utils.rs:10:9
  61:        0x11404bc67 - rustc_monomorphize[64e137207db4b01f]::collector::collect_crate_mono_items
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_monomorphize/src/collector.rs:348:9
  62:        0x114032c81 - rustc_monomorphize[64e137207db4b01f]::partitioning::collect_and_partition_mono_items
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_monomorphize/src/partitioning/mod.rs:377:33
  63:        0x115725fc7 - <rustc_query_system[6acc35f78a5b05b3]::query::config::QueryVTable<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>>::compute
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/config.rs:43:9
  64:        0x115725fc7 - rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job::<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/plumbing.rs:384:55
  65:        0x115725fc7 - stacker[bdc6927b0c198bbf]::maybe_grow::<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>
                               at /Users/bn/.cargo/registry/src/jiasu.xzqcsaa.nyc.mn-1ecc6299db9ec823/stacker-0.1.14/src/lib.rs:55:9
  66:        0x115725fc7 - rustc_data_structures[ae357cdc4826eb69]::stack::ensure_sufficient_stack::<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_data_structures/src/stack.rs:17:5
  67:        0x115725fc7 - <rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query::<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_impl/src/plumbing.rs:112:17
  68:        0x115725fc7 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::enter_context::<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1929:50
  69:        0x115725fc7 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::set_tlv::<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::enter_context<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1913:9
  70:        0x115725fc7 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::enter_context::<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1929:9
  71:        0x115725fc7 - <rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query::<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_impl/src/plumbing.rs:111:13
  72:        0x115725fc7 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context::<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1973:13
  73:        0x115725fc7 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_context::<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1957:40
  74:        0x115725fc7 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_context_opt::<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_context<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1946:22
  75:        0x115725fc7 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_context::<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1957:9
  76:        0x115725fc7 - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::with_related_context::<<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>::{closure#0}, (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1970:9
  77:        0x115725fc7 - <rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt as rustc_query_system[6acc35f78a5b05b3]::query::QueryContext>::start_query::<(&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit]), rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_impl/src/plumbing.rs:100:9
  78:        0x115725fc7 - rustc_query_system[6acc35f78a5b05b3]::query::plumbing::execute_job::<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, (), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/plumbing.rs:384:22
  79:        0x115725fc7 - rustc_query_system[6acc35f78a5b05b3]::query::plumbing::try_execute_query::<rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt, rustc_query_system[6acc35f78a5b05b3]::query::caches::DefaultCache<(), (&std[1bab12d46382052d]::collections::hash::set::HashSet<rustc_span[934c8995ffb00c6e]::def_id::DefId, core[63904394253f1ff0]::hash::BuildHasherDefault<rustc_hash[3185b2e2eb66fa6e]::FxHasher>>, &[rustc_middle[a1ff4a10fa67ddf2]::mir::mono::CodegenUnit])>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/plumbing.rs:343:44
  80:        0x1157f396e - rustc_query_system[6acc35f78a5b05b3]::query::plumbing::get_query::<rustc_query_impl[d4902483cece9c4c]::queries::collect_and_partition_mono_items, rustc_query_impl[d4902483cece9c4c]::plumbing::QueryCtxt>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_system/src/query/plumbing.rs:702:36
  81:        0x1154baa2e - <rustc_query_impl[d4902483cece9c4c]::Queries as rustc_middle[a1ff4a10fa67ddf2]::ty::query::QueryEngine>::collect_and_partition_mono_items
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_query_impl/src/lib.rs:56:1
  82:        0x1118cae8d - <rustc_middle[a1ff4a10fa67ddf2]::ty::query::TyCtxtAt>::collect_and_partition_mono_items
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/query.rs:259:17
  83:        0x1118cae8d - <rustc_middle[a1ff4a10fa67ddf2]::ty::context::TyCtxt>::collect_and_partition_mono_items
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/query.rs:240:17
  84:        0x1118cae8d - rustc_codegen_ssa[8a083a4e61c7a3f1]::base::codegen_crate::<rustc_codegen_llvm[15797fba0c2a21f5]::LlvmCodegenBackend>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_codegen_ssa/src/base.rs:537:25
  85:        0x1118cae8d - <rustc_codegen_llvm[15797fba0c2a21f5]::LlvmCodegenBackend as rustc_codegen_ssa[8a083a4e61c7a3f1]::traits::backend::CodegenBackend>::codegen_crate
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_codegen_llvm/src/lib.rs:337:18
  86:        0x111779988 - rustc_interface[5ffb3a9f3ca6047f]::passes::start_codegen::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/passes.rs:1005:9
  87:        0x111779988 - <rustc_data_structures[ae357cdc4826eb69]::profiling::VerboseTimingGuard>::run::<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_interface[5ffb3a9f3ca6047f]::passes::start_codegen::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_data_structures/src/profiling.rs:739:9
  88:        0x111779988 - <rustc_session[2455ad25bf3d25a2]::session::Session>::time::<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_interface[5ffb3a9f3ca6047f]::passes::start_codegen::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_session/src/utils.rs:10:9
  89:        0x111779988 - rustc_interface[5ffb3a9f3ca6047f]::passes::start_codegen
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/passes.rs:1004:19
  90:        0x1117a351f - <rustc_interface[5ffb3a9f3ca6047f]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/queries.rs:251:20
  91:        0x1117a351f - <rustc_interface[5ffb3a9f3ca6047f]::passes::QueryContext>::enter::<<rustc_interface[5ffb3a9f3ca6047f]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[63904394253f1ff0]::result::Result<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/passes.rs:787:42
  92:        0x1117a351f - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::enter_context::<<rustc_interface[5ffb3a9f3ca6047f]::passes::QueryContext>::enter<<rustc_interface[5ffb3a9f3ca6047f]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[63904394253f1ff0]::result::Result<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1929:50
  93:        0x1117a351f - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::set_tlv::<rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::enter_context<<rustc_interface[5ffb3a9f3ca6047f]::passes::QueryContext>::enter<<rustc_interface[5ffb3a9f3ca6047f]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[63904394253f1ff0]::result::Result<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1913:9
  94:        0x1117a351f - rustc_middle[a1ff4a10fa67ddf2]::ty::context::tls::enter_context::<<rustc_interface[5ffb3a9f3ca6047f]::passes::QueryContext>::enter<<rustc_interface[5ffb3a9f3ca6047f]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[63904394253f1ff0]::result::Result<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_middle/src/ty/context.rs:1929:9
  95:        0x1117a351f - <rustc_interface[5ffb3a9f3ca6047f]::passes::QueryContext>::enter::<<rustc_interface[5ffb3a9f3ca6047f]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[63904394253f1ff0]::result::Result<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/passes.rs:787:9
  96:        0x1117a351f - <rustc_interface[5ffb3a9f3ca6047f]::queries::Queries>::ongoing_codegen::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/queries.rs:242:13
  97:        0x1117a351f - <rustc_interface[5ffb3a9f3ca6047f]::queries::Query<alloc[89887b0a8e56346]::boxed::Box<dyn core[63904394253f1ff0]::any::Any>>>::compute::<<rustc_interface[5ffb3a9f3ca6047f]::queries::Queries>::ongoing_codegen::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/queries.rs:37:28
  98:        0x1117a351f - <rustc_interface[5ffb3a9f3ca6047f]::queries::Queries>::ongoing_codegen
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/queries.rs:240:9
  99:        0x111678272 - rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}::{closure#2}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_driver/src/lib.rs:401:13
 100:        0x111678272 - <rustc_interface[5ffb3a9f3ca6047f]::interface::Compiler>::enter::<rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}::{closure#2}, core[63904394253f1ff0]::result::Result<core[63904394253f1ff0]::option::Option<rustc_interface[5ffb3a9f3ca6047f]::queries::Linker>, rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/queries.rs:381:19
 101:        0x111678272 - rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_driver/src/lib.rs:309:22
 102:        0x111678272 - rustc_interface[5ffb3a9f3ca6047f]::interface::create_compiler_and_run::<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#1}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/interface.rs:323:13
 103:        0x111678272 - rustc_span[934c8995ffb00c6e]::with_source_map::<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_interface[5ffb3a9f3ca6047f]::interface::create_compiler_and_run<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#1}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_span/src/lib.rs:986:5
 104:        0x111678272 - rustc_interface[5ffb3a9f3ca6047f]::interface::create_compiler_and_run::<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/interface.rs:317:5
 105:        0x111678272 - rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler::<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/interface.rs:339:12
 106:        0x111678272 - <scoped_tls[9b2b8857e3d25100]::ScopedKey<rustc_span[934c8995ffb00c6e]::SessionGlobals>>::set::<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>
                               at /Users/bn/.cargo/registry/src/jiasu.xzqcsaa.nyc.mn-1ecc6299db9ec823/scoped-tls-1.0.0/src/lib.rs:137:9
 107:        0x1116a60ac - rustc_span[934c8995ffb00c6e]::create_session_globals_then::<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_span/src/lib.rs:112:5
 108:        0x1116a60ac - rustc_interface[5ffb3a9f3ca6047f]::util::run_in_thread_pool_with_globals::<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/compiler/rustc_interface/src/util.rs:159:32
 109:        0x1116a60ac - std[1bab12d46382052d]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[5ffb3a9f3ca6047f]::util::run_in_thread_pool_with_globals<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/sys_common/backtrace.rs:122:18
 110:        0x1116841b6 - <std[1bab12d46382052d]::thread::Builder>::spawn_unchecked_::<rustc_interface[5ffb3a9f3ca6047f]::util::run_in_thread_pool_with_globals<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#1}::{closure#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/thread/mod.rs:505:17
 111:        0x1116841b6 - <core[63904394253f1ff0]::panic::unwind_safe::AssertUnwindSafe<<std[1bab12d46382052d]::thread::Builder>::spawn_unchecked_<rustc_interface[5ffb3a9f3ca6047f]::util::run_in_thread_pool_with_globals<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#1}::{closure#0}> as core[63904394253f1ff0]::ops::function::FnOnce<()>>::call_once
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/core/src/panic/unwind_safe.rs:271:9
 112:        0x1116841b6 - std[1bab12d46382052d]::panicking::try::do_call::<core[63904394253f1ff0]::panic::unwind_safe::AssertUnwindSafe<<std[1bab12d46382052d]::thread::Builder>::spawn_unchecked_<rustc_interface[5ffb3a9f3ca6047f]::util::run_in_thread_pool_with_globals<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panicking.rs:492:40
 113:        0x1116841b6 - std[1bab12d46382052d]::panicking::try::<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, core[63904394253f1ff0]::panic::unwind_safe::AssertUnwindSafe<<std[1bab12d46382052d]::thread::Builder>::spawn_unchecked_<rustc_interface[5ffb3a9f3ca6047f]::util::run_in_thread_pool_with_globals<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#1}::{closure#0}>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panicking.rs:456:19
 114:        0x1116841b6 - std[1bab12d46382052d]::panic::catch_unwind::<core[63904394253f1ff0]::panic::unwind_safe::AssertUnwindSafe<<std[1bab12d46382052d]::thread::Builder>::spawn_unchecked_<rustc_interface[5ffb3a9f3ca6047f]::util::run_in_thread_pool_with_globals<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/panic.rs:137:14
 115:        0x1116841b6 - <std[1bab12d46382052d]::thread::Builder>::spawn_unchecked_::<rustc_interface[5ffb3a9f3ca6047f]::util::run_in_thread_pool_with_globals<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#1}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/thread/mod.rs:504:30
 116:        0x1116841b6 - <<std[1bab12d46382052d]::thread::Builder>::spawn_unchecked_<rustc_interface[5ffb3a9f3ca6047f]::util::run_in_thread_pool_with_globals<rustc_interface[5ffb3a9f3ca6047f]::interface::run_compiler<core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>, rustc_driver[bf0a6e59295c656a]::run_compiler::{closure#1}>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#0}, core[63904394253f1ff0]::result::Result<(), rustc_errors[6bfc16d8d637b9c8]::ErrorGuaranteed>>::{closure#1} as core[63904394253f1ff0]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/core/src/ops/function.rs:248:5
 117:        0x109069389 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hcba58b239a16ac80
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/alloc/src/boxed.rs:1935:9
 118:        0x109069389 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha3734835c4157ac5
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/alloc/src/boxed.rs:1935:9
 119:        0x109069389 - std::sys::unix::thread::Thread::new::thread_start::h7a450a542fe1eda1
                               at /Users/bn/Documents/rust-local-fork/valtrees-pretty-print-ice/library/std/src/sys/unix/thread.rs:108:17
 120:     0x7fff7cac62eb - __pthread_body
 121:     0x7fff7cac9249 - __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 1.65.0-dev running on x86_64-apple-darwin

query stack during panic:
#0 [optimized_mir] optimizing MIR for `foo`
#1 [collect_and_partition_mono_items] collect_and_partition_mono_items
end of query stack