thread 'main' panicked at src/tools/rustfmt/src/parse/session.rs:42:9:
silent emitter attempted to translate a diagnostic
stack backtrace:
   0:        0x1035dc338 - std::backtrace::Backtrace::create::h0fab15b28f02ee90
   1:        0x10c9d0b14 - std[498b2361584da694]::panicking::update_hook::<alloc[30c8f47db150670a]::boxed::Box<rustc_driver_impl[68a03ad11d9c08fe]::install_ice_hook::{closure#0}>>::{closure#0}
   2:        0x1035f5128 - std::panicking::rust_panic_with_hook::hcd6cd3c8638ff9c9
   3:        0x1035f4ac0 - std::panicking::begin_panic_handler::{{closure}}::h898760ccc010b5f6
   4:        0x1035f2424 - std::sys_common::backtrace::__rust_end_short_backtrace::h003142bc802218b9
   5:        0x1035f4864 - _rust_begin_unwind
   6:        0x10364fc14 - core::panicking::panic_fmt::ha2a8c2c955279123
   7:        0x10244eb18 - <rustfmt_nightly[7da0fe633313b04f]::parse::session::SilentEmitter as rustc_errors[4e3da3b411c6d7f9]::translation::Translate>::fallback_fluent_bundle
   8:        0x1024432d4 - <rustfmt_nightly[7da0fe633313b04f]::parse::session::SilentOnIgnoredFilesEmitter as rustc_errors[4e3da3b411c6d7f9]::translation::Translate>::translate_message
   9:        0x10d9d1af0 - <rustc_errors[4e3da3b411c6d7f9]::DiagCtxt>::eagerly_translate::<indexmap[7238ee289967c6b8]::map::iter::Iter<alloc[30c8f47db150670a]::borrow::Cow<str>, rustc_errors[4e3da3b411c6d7f9]::diagnostic::DiagnosticArgValue>>
  10:        0x10d98b6e4 - <rustc_parse[1a12595a5b95f93a]::errors::UnknownPrefixSugg as rustc_errors[4e3da3b411c6d7f9]::diagnostic::AddToDiagnostic>::add_to_diagnostic_with::<<rustc_errors[4e3da3b411c6d7f9]::diagnostic::Diagnostic>::subdiagnostic<rustc_parse[1a12595a5b95f93a]::errors::UnknownPrefixSugg>::{closure#0}>
  11:        0x10d98b478 - <rustc_parse[1a12595a5b95f93a]::errors::UnknownPrefix as rustc_errors[4e3da3b411c6d7f9]::diagnostic_builder::IntoDiagnostic>::into_diagnostic
  12:        0x10d95d118 - <rustc_parse[1a12595a5b95f93a]::lexer::StringReader>::report_unknown_prefix
  13:        0x10d959f1c - <rustc_parse[1a12595a5b95f93a]::lexer::StringReader>::next_token
  14:        0x10d9dfc8c - <rustc_parse[1a12595a5b95f93a]::lexer::tokentrees::TokenTreesReader>::bump
  15:        0x10d9de930 - <rustc_parse[1a12595a5b95f93a]::lexer::tokentrees::TokenTreesReader>::parse_token_trees
  16:        0x10d9de9c4 - <rustc_parse[1a12595a5b95f93a]::lexer::tokentrees::TokenTreesReader>::parse_token_trees
  17:        0x10d9de720 - <rustc_parse[1a12595a5b95f93a]::lexer::tokentrees::TokenTreesReader>::parse_all_token_trees
  18:        0x10d95fd6c - rustc_parse[1a12595a5b95f93a]::maybe_file_to_stream
  19:        0x10d95fa3c - rustc_parse[1a12595a5b95f93a]::maybe_source_file_to_parser
  20:        0x1024b7ee0 - <rustfmt_nightly[7da0fe633313b04f]::parse::parser::Parser>::parse_crate
  21:        0x1024b5bbc - rustfmt_nightly[7da0fe633313b04f]::formatting::format_project::<rustfmt_nightly[7da0fe633313b04f]::Session<alloc[30c8f47db150670a]::vec::Vec<u8>>>
  22:        0x10239f7a4 - <scoped_tls[b8953c96f1867bb2]::ScopedKey<rustc_span[8e1d581ad6d6c104]::SessionGlobals>>::with::<<rustfmt_nightly[7da0fe633313b04f]::Session<alloc[30c8f47db150670a]::vec::Vec<u8>>>::format_input_inner::{closure#0}, core[3992d5f9f39637df]::result::Result<rustfmt_nightly[7da0fe633313b04f]::FormatReport, rustfmt_nightly[7da0fe633313b04f]::ErrorKind>>
  23:        0x102432b44 - rustc_span[8e1d581ad6d6c104]::create_session_if_not_set_then::<core[3992d5f9f39637df]::result::Result<rustfmt_nightly[7da0fe633313b04f]::FormatReport, rustfmt_nightly[7da0fe633313b04f]::ErrorKind>, <rustfmt_nightly[7da0fe633313b04f]::Session<alloc[30c8f47db150670a]::vec::Vec<u8>>>::format_input_inner::{closure#0}>
  24:        0x1024b0720 - std[498b2361584da694]::panicking::try::<core[3992d5f9f39637df]::option::Option<rustfmt_nightly[7da0fe633313b04f]::FormattedSnippet>, rustfmt_nightly[7da0fe633313b04f]::format_snippet::{closure#0}>
  25:        0x1023c9320 - rustfmt_nightly[7da0fe633313b04f]::format_snippet
  26:        0x1023c9718 - rustfmt_nightly[7da0fe633313b04f]::format_code_block
  27:        0x1023a8f84 - rustfmt_nightly[7da0fe633313b04f]::comment::rewrite_comment_inner
  28:        0x1023a60fc - rustfmt_nightly[7da0fe633313b04f]::comment::identify_comment
  29:        0x1023e0e9c - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::process_comment
  30:        0x1023e0040 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::format_missing_indent
  31:        0x1023ea2d4 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::push_rewrite
  32:        0x1023eb788 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::walk_stmts
  33:        0x1023ebbf8 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::walk_stmts
  34:        0x1023e56a0 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::visit_block
  35:        0x1023e79c4 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::visit_fn
  36:        0x1023e96f0 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::visit_assoc_item
  37:        0x1023de2cc - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::visit_impl_items
  38:        0x102457b64 - rustfmt_nightly[7da0fe633313b04f]::items::format_impl
  39:        0x1023ec130 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::with_context::<<rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::visit_item::{closure#0}>
  40:        0x1023e871c - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::visit_item
  41:        0x1023e1cd0 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::visit_items_with_reordering
  42:        0x1023ebe64 - <rustfmt_nightly[7da0fe633313b04f]::visitor::FmtVisitor>::format_separate_mod
  43:        0x1022f587c - rustfmt_nightly[7da0fe633313b04f]::formatting::format_project::<rustfmt_nightly[7da0fe633313b04f]::Session<std[498b2361584da694]::io::stdio::Stdout>>
  44:        0x1022f198c - <scoped_tls[b8953c96f1867bb2]::ScopedKey<rustc_span[8e1d581ad6d6c104]::SessionGlobals>>::with::<<rustfmt_nightly[7da0fe633313b04f]::Session<std[498b2361584da694]::io::stdio::Stdout>>::format_input_inner::{closure#0}, core[3992d5f9f39637df]::result::Result<rustfmt_nightly[7da0fe633313b04f]::FormatReport, rustfmt_nightly[7da0fe633313b04f]::ErrorKind>>
  45:        0x1022f2b84 - <rustfmt_nightly[7da0fe633313b04f]::Session<std[498b2361584da694]::io::stdio::Stdout>>::format_input_inner
  46:        0x1022ec3e8 - rustfmt[f5bf4537e9fc9dac]::format_and_emit_report::<std[498b2361584da694]::io::stdio::Stdout>
  47:        0x1022efa24 - <rustfmt_nightly[7da0fe633313b04f]::Session<std[498b2361584da694]::io::stdio::Stdout>>::override_config::<rustfmt[f5bf4537e9fc9dac]::format::{closure#0}, ()>
  48:        0x1022eb518 - rustfmt[f5bf4537e9fc9dac]::execute
  49:        0x1022e9a20 - rustfmt[f5bf4537e9fc9dac]::main
  50:        0x1022fa9f8 - std[498b2361584da694]::sys_common::backtrace::__rust_begin_short_backtrace::<fn(), ()>
  51:        0x1022fe7ac - std[498b2361584da694]::rt::lang_start::<()>::{closure#0}
  52:        0x1035dade4 - std::rt::lang_start_internal::h457a376925c3005b
  53:        0x1022ece84 - _main


rustc version: 1.78.0-nightly (6672c16af 2024-02-17)
platform: aarch64-apple-darwin