thread 'rustc' panicked at compiler/rustc_errors/src/lib.rs:572:17: must_produce_diag: trimmed_def_paths called but no diagnostics emitted; use `DelayDm` for lints or `with_no_trimmed_paths` for debugging stack backtrace:  0: 0x7f268108cdb6 - std::backtrace_rs::backtrace::libunwind::trace::h341f79bffd736d88  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5  1: 0x7f268108cdb6 - std::backtrace_rs::backtrace::trace_unsynchronized::h699175639bf0c53f  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5  2: 0x7f268108cdb6 - std::sys_common::backtrace::_print_fmt::he64554b6b8851325  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/sys_common/backtrace.rs:68:5  3: 0x7f268108cdb6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6f1d81aff3ba783c  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/sys_common/backtrace.rs:44:22  4: 0x7f26810ddd3c - core::fmt::rt::Argument::fmt::ha094c70f8a774861  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/core/src/fmt/rt.rs:142:9  5: 0x7f26810ddd3c - core::fmt::write::h7f13c4b287d5364f  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/core/src/fmt/mod.rs:1120:17  6: 0x7f268108163f - std::io::Write::write_fmt::h33c62cb7f1d9ccd2  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/io/mod.rs:1846:15  7: 0x7f268108cb64 - std::sys_common::backtrace::_print::h5a328173cecd6a17  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/sys_common/backtrace.rs:47:5  8: 0x7f268108cb64 - std::sys_common::backtrace::print::h40f459d9b04f57e7  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/sys_common/backtrace.rs:34:9  9: 0x7f268108f8ab - std::panicking::default_hook::{{closure}}::hd2a3df71af903bed  10: 0x7f268108f5f9 - std::panicking::default_hook::ha092baec2054d09a  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/panicking.rs:292:9  11: 0x7f267dc9bcbc - std[aeaa4a650f96ca4f]::panicking::update_hook::<alloc[4c4126b71025da3b]::boxed::Box<rustc_driver_impl[2ad8c6e0ef02d37]::install_ice_hook::{closure#0}>>::{closure#0}  12: 0x7f2681090010 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he192bb5ab07c6e66  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/alloc/src/boxed.rs:2030:9  13: 0x7f2681090010 - std::panicking::rust_panic_with_hook::h46c6fddd63cff830  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/panicking.rs:783:13  14: 0x7f268108fd19 - std::panicking::begin_panic_handler::{{closure}}::h8abc72b89d98e75c  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/panicking.rs:649:13  15: 0x7f268108d296 - std::sys_common::backtrace::__rust_end_short_backtrace::h1eafc870bd031abe  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/sys_common/backtrace.rs:171:18  16: 0x7f268108fa84 - rust_begin_unwind  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/panicking.rs:645:5  17: 0x7f26810da255 - core::panicking::panic_fmt::hd079a8afc216673e  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/core/src/panicking.rs:72:14  18: 0x7f26805d5ea2 - <rustc_errors[8f2d5467e268fcd1]::DiagCtxtInner as core[ceaa87f59aeb8bba]::ops::drop::Drop>::drop.cold.0  19: 0x7f267fb5719c - core[ceaa87f59aeb8bba]::ptr::drop_in_place::<rustc_errors[8f2d5467e268fcd1]::DiagCtxt>  20: 0x7f267fdee217 - core[ceaa87f59aeb8bba]::ptr::drop_in_place::<rustc_session[6420a5b3483699f8]::parse::ParseSess>  21: 0x7f267fdee7f1 - core[ceaa87f59aeb8bba]::ptr::drop_in_place::<rustc_interface[91b806f92bb77cda]::interface::Compiler>  22: 0x7f267fd3e672 - rustc_interface[91b806f92bb77cda]::interface::run_compiler::<core[ceaa87f59aeb8bba]::result::Result<(), rustc_span[ac3b12a2af12cb0d]::ErrorGuaranteed>, rustc_driver_impl[2ad8c6e0ef02d37]::run_compiler::{closure#0}>::{closure#0}  23: 0x7f267ffddd05 - std[aeaa4a650f96ca4f]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[91b806f92bb77cda]::util::run_in_thread_with_globals<rustc_interface[91b806f92bb77cda]::util::run_in_thread_pool_with_globals<rustc_interface[91b806f92bb77cda]::interface::run_compiler<core[ceaa87f59aeb8bba]::result::Result<(), rustc_span[ac3b12a2af12cb0d]::ErrorGuaranteed>, rustc_driver_impl[2ad8c6e0ef02d37]::run_compiler::{closure#0}>::{closure#0}, core[ceaa87f59aeb8bba]::result::Result<(), rustc_span[ac3b12a2af12cb0d]::ErrorGuaranteed>>::{closure#0}, core[ceaa87f59aeb8bba]::result::Result<(), rustc_span[ac3b12a2af12cb0d]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ceaa87f59aeb8bba]::result::Result<(), rustc_span[ac3b12a2af12cb0d]::ErrorGuaranteed>>  24: 0x7f267ffddb32 - <<std[aeaa4a650f96ca4f]::thread::Builder>::spawn_unchecked_<rustc_interface[91b806f92bb77cda]::util::run_in_thread_with_globals<rustc_interface[91b806f92bb77cda]::util::run_in_thread_pool_with_globals<rustc_interface[91b806f92bb77cda]::interface::run_compiler<core[ceaa87f59aeb8bba]::result::Result<(), rustc_span[ac3b12a2af12cb0d]::ErrorGuaranteed>, rustc_driver_impl[2ad8c6e0ef02d37]::run_compiler::{closure#0}>::{closure#0}, core[ceaa87f59aeb8bba]::result::Result<(), rustc_span[ac3b12a2af12cb0d]::ErrorGuaranteed>>::{closure#0}, core[ceaa87f59aeb8bba]::result::Result<(), rustc_span[ac3b12a2af12cb0d]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ceaa87f59aeb8bba]::result::Result<(), rustc_span[ac3b12a2af12cb0d]::ErrorGuaranteed>>::{closure#1} as core[ceaa87f59aeb8bba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}  25: 0x7f26810999e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4c4227d670230628  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/alloc/src/boxed.rs:2016:9  26: 0x7f26810999e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4bc52f0323c8ae82  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/alloc/src/boxed.rs:2016:9  27: 0x7f26810999e5 - std::sys::pal::unix::thread::Thread::new::thread_start::hd34fbf5607308b31  at /rustc/c475e2303b551d726307c646181e0677af1e0069/library/std/src/sys/pal/unix/thread.rs:108:17  28: 0x7f267aa94ac3 - start_thread  at ./nptl/pthread_create.c:442:8  29: 0x7f267ab26850 - __GI___clone3  at ./misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:81  30: 0x0 - <unknown>

$ rustc --version --verbose rustc 1.78.0-nightly (c475e2303 2024-02-28) binary: rustc commit-hash: c475e2303b551d726307c646181e0677af1e0069 commit-date: 2024-02-28 host: x86_64-unknown-linux-gnu release: 1.78.0-nightly LLVM version: 18.1.0