Repository: rust
Issue: rustc fails to compile complicated `uom` code that reaches out on `num_trait`'s `libm` feature
Labels: I-ICE,T-compiler,C-bug

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### Code

Running this command on https://github.com/wucke13/uom/commit/7dce87a1a2fc0c9c334403ab16cb9fcd297355b0 yields a whole lot of errors. Throughout multiple rust versions we encountered hard to debug problems over in https://github.com/iliekturtles/uom/pull/309 which we suspected to be related to unwanted recursion. Today I gave it another shot with a nightly compiler and got a different result, this time not a stack overflow of the test but directly ICE during compilation. While on stable there is no ICE, I'm still puzzled as to why the code overflows when _successfully_ compiled -- but that is another issue.

```console
cargo test --verbose --no-default-features --features "autoconvert f32 si use_serde libm" -- --test-threads=1
```

I'm sorry, I have absolutely no clue how to minimize this, but here is the code: https://github.com/wucke13/uom/commit/7dce87a1a2fc0c9c334403ab16cb9fcd297355b0

### Meta
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If you're using the stable version of the compiler, you should also check if the
bug also exists in the beta or nightly versions.
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`rustc --version --verbose`:
```
rustc 1.66.0-nightly (57f097ea2 2022-10-01)
```

### Error output

```
$ cargo test --verbose --no-default-features --features "autoconvert f32 si use_serde libm" -- --test-threads=1
       Fresh cfg-if v1.0.0
       Fresh autocfg v1.1.0
       Fresh memchr v2.5.0
       Fresh libc v0.2.126
       Fresh aho-corasick v0.7.18
       Fresh libm v0.2.2
       Fresh regex-syntax v0.6.26
       Fresh ryu v1.0.10
       Fresh itoa v1.0.2
       Fresh static_assertions v1.1.0
       Fresh getrandom v0.2.6
       Fresh regex v1.5.6
       Fresh num-traits v0.2.15
       Fresh serde v1.0.137
       Fresh rand_core v0.6.3
       Fresh log v0.4.17
       Fresh typenum v1.15.0
       Fresh approx v0.5.1
       Fresh rand v0.8.5
       Fresh env_logger v0.8.4
       Fresh serde_json v1.0.81
       Fresh quickcheck v1.0.3
   Compiling uom v0.33.0 (/home/wucke13/documents/projects/rust/uom)
     Running `rustc --crate-name uom --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="autoconvert"' --cfg 'feature="f32"' --cfg 'feature="libm"' --cfg 'feature="serde"' --cfg 'feature="si"' --cfg 'feature="use_serde"' -C metadata=b8fcebefe5e342ac -C extra-filename=-b8fcebefe5e342ac --out-dir /home/wucke13/documents/projects/rust/uom/target/debug/deps -C incremental=/home/wucke13/documents/projects/rust/uom/target/debug/incremental -L dependency=/home/wucke13/documents/projects/rust/uom/target/debug/deps --extern approx=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libapprox-df0c75ecf4aa6dd6.rlib --extern num_traits=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libnum_traits-a1c0388eb46c8724.rlib --extern quickcheck=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libquickcheck-c870dae87a1ba66f.rlib --extern serde=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libserde-3064340d0e7a5ddd.rlib --extern serde_json=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libserde_json-61a82ca4ca73b0c1.rlib --extern static_assertions=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libstatic_assertions-c94e2eb84119cf0b.rlib --extern typenum=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libtypenum-ae91be759e5f8db3.rlib`
error: internal compiler error: no warnings or errors encountered even though `delayed_good_path_bugs` issued

error: internal compiler error: trimmed_def_paths constructed
  |
  = note: delayed at    0: <rustc_errors::Handler>::delay_good_path_bug::<&str>
             1: rustc_middle::ty::print::pretty::trimmed_def_paths
             2: <rustc_middle::dep_graph::dep_node::DepKind as rustc_query_system::dep_graph::DepKind>::with_deps::<<rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle::ty::context::TyCtxt, (), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::{closure#0}, std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>
             3: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>
             4: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::ArenaCache<(), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>>
             5: rustc_query_system::query::plumbing::force_query::<rustc_query_impl::queries::trimmed_def_paths, rustc_query_impl::plumbing::QueryCtxt>
             6: rustc_query_impl::plumbing::force_from_dep_node::<rustc_query_impl::queries::trimmed_def_paths>
             7: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::try_mark_previous_green::<rustc_query_impl::plumbing::QueryCtxt>
             8: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::try_mark_previous_green::<rustc_query_impl::plumbing::QueryCtxt>
             9: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::try_mark_green::<rustc_query_impl::plumbing::QueryCtxt>
            10: rustc_query_system::query::plumbing::try_load_from_disk_and_cache_in_memory::<rustc_query_impl::plumbing::QueryCtxt, (), ()>
            11: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), ()>>
            12: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
            13: <rustc_session::session::Session>::time::<(), rustc_hir_analysis::check_crate::{closure#7}>
            14: rustc_hir_analysis::check_crate
            15: rustc_interface::passes::analysis
            16: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            17: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), core::result::Result<(), rustc_errors::ErrorGuaranteed>>>
            18: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
            19: <rustc_interface::passes::QueryContext>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            20: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>
            21: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            22: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            23: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            24: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1938:9
            25: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1938:9
            26: std::sys::unix::thread::Thread::new::thread_start
                       at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys/unix/thread.rs:108:17
            27: start_thread
            28: clone3


thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1536:13
stack backtrace:
   0:     0x7f90441db380 - std::backtrace_rs::backtrace::libunwind::trace::h80b67585f93dcdfa
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   1:     0x7f90441db380 - std::backtrace_rs::backtrace::trace_unsynchronized::h1727d1d942e500b9
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f90441db380 - std::sys_common::backtrace::_print_fmt::h1d58d8daeea91706
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7f90441db380 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h813c9b7ed78580ba
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7f904423614e - core::fmt::write::h3eecc0c99e4c5326
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/core/src/fmt/mod.rs:1209:17
   5:     0x7f90441cbf05 - std::io::Write::write_fmt::h169b89be5a4eb2e3
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/io/mod.rs:1679:15
   6:     0x7f90441de123 - std::sys_common::backtrace::_print::h8470ccc2c46bc222
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7f90441de123 - std::sys_common::backtrace::print::h59bfcbb529aad43f
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7f90441de123 - std::panicking::default_hook::{{closure}}::h19081fa8b049df20
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/panicking.rs:267:22
   9:     0x7f90441dddfa - std::panicking::default_hook::h8f0eea70584d6151
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/panicking.rs:286:9
  10:     0x7f9046a97c21 - <rustc_driver[5f28de9a0492c992]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[2f8af133219d6c11]::ops::function::FnOnce<(&core[2f8af133219d6c11]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
  11:     0x7f90441de95b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb9a306ebd1946910
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1952:9
  12:     0x7f90441de95b - std::panicking::rust_panic_with_hook::h6b2b2d988170cf5c
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/panicking.rs:673:13
  13:     0x7f9047bdffb1 - std[281da818632cbbdf]::panicking::begin_panic::<rustc_errors[1020869c0a53ac34]::ExplicitBug>::{closure#0}
  14:     0x7f9047bde8c6 - std[281da818632cbbdf]::sys_common::backtrace::__rust_end_short_backtrace::<std[281da818632cbbdf]::panicking::begin_panic<rustc_errors[1020869c0a53ac34]::ExplicitBug>::{closure#0}, !>
  15:     0x7f9047bd8416 - std[281da818632cbbdf]::panicking::begin_panic::<rustc_errors[1020869c0a53ac34]::ExplicitBug>
  16:     0x7f9047bdab66 - std[281da818632cbbdf]::panic::panic_any::<rustc_errors[1020869c0a53ac34]::ExplicitBug>
  17:     0x7f90465ebff3 - <rustc_errors[1020869c0a53ac34]::HandlerInner as core[2f8af133219d6c11]::ops::drop::Drop>::drop
  18:     0x7f90457cd448 - core[2f8af133219d6c11]::ptr::drop_in_place::<rustc_session[786cb1c5da006f9b]::parse::ParseSess>
  19:     0x7f904578cba8 - <alloc[ab68081038e0c5ba]::rc::Rc<rustc_session[786cb1c5da006f9b]::session::Session> as core[2f8af133219d6c11]::ops::drop::Drop>::drop
  20:     0x7f9045789aed - core[2f8af133219d6c11]::ptr::drop_in_place::<rustc_interface[a2e36ac52ab23c81]::interface::Compiler>
  21:     0x7f904578748c - rustc_interface[a2e36ac52ab23c81]::interface::create_compiler_and_run::<core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>, rustc_driver[5f28de9a0492c992]::run_compiler::{closure#1}>
  22:     0x7f9045785982 - <scoped_tls[430d84ded6e482c8]::ScopedKey<rustc_span[efd8b0f1895919e0]::SessionGlobals>>::set::<rustc_interface[a2e36ac52ab23c81]::interface::run_compiler<core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>, rustc_driver[5f28de9a0492c992]::run_compiler::{closure#1}>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>
  23:     0x7f904578566f - std[281da818632cbbdf]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[a2e36ac52ab23c81]::util::run_in_thread_pool_with_globals<rustc_interface[a2e36ac52ab23c81]::interface::run_compiler<core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>, rustc_driver[5f28de9a0492c992]::run_compiler::{closure#1}>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>
  24:     0x7f90468f9550 - <<std[281da818632cbbdf]::thread::Builder>::spawn_unchecked_<rustc_interface[a2e36ac52ab23c81]::util::run_in_thread_pool_with_globals<rustc_interface[a2e36ac52ab23c81]::interface::run_compiler<core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>, rustc_driver[5f28de9a0492c992]::run_compiler::{closure#1}>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>::{closure#1} as core[2f8af133219d6c11]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  25:     0x7f90441e8433 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h26c13cce480449d5
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1938:9
  26:     0x7f90441e8433 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1d016e890f9a0fa4
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1938:9
  27:     0x7f90441e8433 - std::sys::unix::thread::Thread::new::thread_start::ha5f4632b746acf38
                               at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys/unix/thread.rs:108:17
  28:     0x7f9043f60ff2 - start_thread
  29:     0x7f9043fe3bfc - clone3
  30:                0x0 - <unknown>

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 1.66.0-nightly (57f097ea2 2022-10-01) running on x86_64-unknown-linux-gnu

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
error: could not compile `uom`

Caused by:
  process didn't exit successfully: `rustc --crate-name uom --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="autoconvert"' --cfg 'feature="f32"' --cfg 'feature="libm"' --cfg 'feature="serde"' --cfg 'feature="si"' --cfg 'feature="use_serde"' -C metadata=b8fcebefe5e342ac -C extra-filename=-b8fcebefe5e342ac --out-dir /home/wucke13/documents/projects/rust/uom/target/debug/deps -C incremental=/home/wucke13/documents/projects/rust/uom/target/debug/incremental -L dependency=/home/wucke13/documents/projects/rust/uom/target/debug/deps --extern approx=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libapprox-df0c75ecf4aa6dd6.rlib --extern num_traits=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libnum_traits-a1c0388eb46c8724.rlib --extern quickcheck=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libquickcheck-c870dae87a1ba66f.rlib --extern serde=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libserde-3064340d0e7a5ddd.rlib --extern serde_json=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libserde_json-61a82ca4ca73b0c1.rlib --extern static_assertions=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libstatic_assertions-c94e2eb84119cf0b.rlib --extern typenum=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libtypenum-ae91be759e5f8db3.rlib` (exit status: 101)
```

<!--
Include a backtrace in the code block by setting `RUST_BACKTRACE=1` in your
environment. E.g. `RUST_BACKTRACE=1 cargo build`.
-->
<details><summary><strong>Backtrace</strong></summary>
<p>

```
$ RUST_BACKTRACE=1 cargo test --verbose --no-default-features --features "autoconvert f32 si use_serde libm" -- --test-threads=1
       Fresh cfg-if v1.0.0
       Fresh autocfg v1.1.0
       Fresh memchr v2.5.0
       Fresh libc v0.2.126
       Fresh aho-corasick v0.7.18
       Fresh libm v0.2.2
       Fresh regex-syntax v0.6.26
       Fresh itoa v1.0.2
       Fresh ryu v1.0.10
       Fresh static_assertions v1.1.0
       Fresh getrandom v0.2.6
       Fresh regex v1.5.6
       Fresh num-traits v0.2.15
       Fresh log v0.4.17
       Fresh rand_core v0.6.3
       Fresh serde v1.0.137
       Fresh typenum v1.15.0
       Fresh approx v0.5.1
       Fresh env_logger v0.8.4
       Fresh rand v0.8.5
       Fresh serde_json v1.0.81
       Fresh quickcheck v1.0.3
   Compiling uom v0.33.0 (/home/wucke13/documents/projects/rust/uom)
     Running `rustc --crate-name uom --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="autoconvert"' --cfg 'feature="f32"' --cfg 'feature="libm"' --cfg 'feature="serde"' --cfg 'feature="si"' --cfg 'feature="use_serde"' -C metadata=b8fcebefe5e342ac -C extra-filename=-b8fcebefe5e342ac --out-dir /home/wucke13/documents/projects/rust/uom/target/debug/deps -C incremental=/home/wucke13/documents/projects/rust/uom/target/debug/incremental -L dependency=/home/wucke13/documents/projects/rust/uom/target/debug/deps --extern approx=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libapprox-df0c75ecf4aa6dd6.rlib --extern num_traits=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libnum_traits-a1c0388eb46c8724.rlib --extern quickcheck=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libquickcheck-c870dae87a1ba66f.rlib --extern serde=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libserde-3064340d0e7a5ddd.rlib --extern serde_json=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libserde_json-61a82ca4ca73b0c1.rlib --extern static_assertions=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libstatic_assertions-c94e2eb84119cf0b.rlib --extern typenum=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libtypenum-ae91be759e5f8db3.rlib`
error: internal compiler error: no warnings or errors encountered even though `delayed_good_path_bugs` issued

error: internal compiler error: trimmed_def_paths constructed
  |
  = note: delayed at    0: <rustc_errors::Handler>::delay_good_path_bug::<&str>
             1: rustc_middle::ty::print::pretty::trimmed_def_paths
             2: <rustc_middle::dep_graph::dep_node::DepKind as rustc_query_system::dep_graph::DepKind>::with_deps::<<rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle::ty::context::TyCtxt, (), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::{closure#0}, std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>
             3: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>
             4: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::ArenaCache<(), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>>
             5: rustc_query_system::query::plumbing::force_query::<rustc_query_impl::queries::trimmed_def_paths, rustc_query_impl::plumbing::QueryCtxt>
             6: rustc_query_impl::plumbing::force_from_dep_node::<rustc_query_impl::queries::trimmed_def_paths>
             7: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::try_mark_previous_green::<rustc_query_impl::plumbing::QueryCtxt>
             8: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::try_mark_previous_green::<rustc_query_impl::plumbing::QueryCtxt>
             9: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::try_mark_green::<rustc_query_impl::plumbing::QueryCtxt>
            10: rustc_query_system::query::plumbing::try_load_from_disk_and_cache_in_memory::<rustc_query_impl::plumbing::QueryCtxt, (), ()>
            11: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), ()>>
            12: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
            13: <rustc_session::session::Session>::time::<(), rustc_hir_analysis::check_crate::{closure#7}>
            14: rustc_hir_analysis::check_crate
            15: rustc_interface::passes::analysis
            16: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            17: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), core::result::Result<(), rustc_errors::ErrorGuaranteed>>>
            18: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
            19: <rustc_interface::passes::QueryContext>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            20: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>
            21: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            22: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            23: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            24: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1938:9
            25: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1938:9
            26: std::sys::unix::thread::Thread::new::thread_start
                       at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys/unix/thread.rs:108:17
            27: start_thread
            28: clone3


thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1536:13
stack backtrace:
   0: std::panicking::begin_panic::<rustc_errors::ExplicitBug>
   1: std::panic::panic_any::<rustc_errors::ExplicitBug>
   2: <rustc_errors::HandlerInner as core::ops::drop::Drop>::drop
   3: core::ptr::drop_in_place::<rustc_session::parse::ParseSess>
   4: <alloc::rc::Rc<rustc_session::session::Session> as core::ops::drop::Drop>::drop
   5: core::ptr::drop_in_place::<rustc_interface::interface::Compiler>
   6: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>
   7: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

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 1.66.0-nightly (57f097ea2 2022-10-01) running on x86_64-unknown-linux-gnu

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
error: could not compile `uom`

Caused by:
  process didn't exit successfully: `rustc --crate-name uom --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="autoconvert"' --cfg 'feature="f32"' --cfg 'feature="libm"' --cfg 'feature="serde"' --cfg 'feature="si"' --cfg 'feature="use_serde"' -C metadata=b8fcebefe5e342ac -C extra-filename=-b8fcebefe5e342ac --out-dir /home/wucke13/documents/projects/rust/uom/target/debug/deps -C incremental=/home/wucke13/documents/projects/rust/uom/target/debug/incremental -L dependency=/home/wucke13/documents/projects/rust/uom/target/debug/deps --extern approx=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libapprox-df0c75ecf4aa6dd6.rlib --extern num_traits=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libnum_traits-a1c0388eb46c8724.rlib --extern quickcheck=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libquickcheck-c870dae87a1ba66f.rlib --extern serde=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libserde-3064340d0e7a5ddd.rlib --extern serde_json=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libserde_json-61a82ca4ca73b0c1.rlib --extern static_assertions=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libstatic_assertions-c94e2eb84119cf0b.rlib --extern typenum=/home/wucke13/documents/projects/rust/uom/target/debug/deps/libtypenum-ae91be759e5f8db3.rlib` (exit status: 101)
```

</p>
</details>