Error in raw string

[akis0]

Code

fn main() {
    println!(r#"
    \"\'}､"#);
}

Meta

rustc --version --verbose:

<version>
rustc 1.65.0 (897e37553 2022-11-02)

sorry in advance, i don't check if this issue is also in beta or nightly versions. i did.

Error output

<output>
❯ RUST_BACKTRACE=1 cargo run
   Compiling cat v0.1.0 (/mnt/c/Users/user/cats/cat)
thread 'rustc' panicked at 'assertion failed: bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32', compiler/rustc_span/src/lib.rs:1704:17
stack backtrace:
   0: rust_begin_unwind
             at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/panicking.rs:584:5
   1: core::panicking::panic_fmt
             at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/core/src/panicking.rs:142:14
   2: core::panicking::panic
             at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/core/src/panicking.rs:48:5
   3: <rustc_span::SourceFile>::lookup_file_pos
   4: <rustc_span::source_map::SourceMap>::lookup_char_pos
   5: <rustc_errors::emitter::EmitterWriter>::get_multispan_max_line_num
   6: <rustc_errors::emitter::EmitterWriter as rustc_errors::emitter::Emitter>::emit_diagnostic
   7: <rustc_errors::json::Diagnostic>::from_errors_diagnostic
   8: <rustc_errors::json::JsonEmitter as rustc_errors::emitter::Emitter>::emit_diagnostic
   9: <rustc_errors::HandlerInner>::emit_diagnostic
  10: <rustc_errors::Handler>::emit_diagnostic
  11: <rustc_errors::ErrorGuaranteed as rustc_errors::diagnostic_builder::EmissionGuarantee>::diagnostic_builder_emit_producing_guarantee
  12: rustc_builtin_macros::format::expand_preparsed_format_args
  13: rustc_builtin_macros::format::expand_format_args_impl
  14: <rustc_expand::expand::MacroExpander>::fully_expand_fragment
  15: <rustc_expand::expand::MacroExpander>::expand_crate
  16: <rustc_session::session::Session>::time::<core::result::Result<rustc_ast::ast::Crate, rustc_errors::ErrorGuaranteed>, rustc_interface::passes::configure_and_expand::{closure#1}>
  17: rustc_interface::passes::configure_and_expand
  18: <rustc_interface::queries::Queries>::expansion
  19: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>
  20: <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.

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 (897e37553 2022-11-02) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type bin -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 `cat`

Backtrace

<backtrace>
❯ RUST_BACKTRACE=full cargo build
   Compiling cat v0.1.0 (/mnt/c/Users/user/cats/cat)
thread 'rustc' panicked at 'assertion failed: bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32', compiler/rustc_span/src/lib.rs:1704:17
stack backtrace:
   0:     0x7f86837e2d40 - std::backtrace_rs::backtrace::libunwind::trace::h32eb3e08e874dd27
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f86837e2d40 - std::backtrace_rs::backtrace::trace_unsynchronized::haa3f451d27bc11a5
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f86837e2d40 - std::sys_common::backtrace::_print_fmt::h5b94a01bb4289bb5
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7f86837e2d40 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb070b7fa7e3175df
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7f868383dbfe - core::fmt::write::hd5207aebbb9a86e9
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/core/src/fmt/mod.rs:1202:17
   5:     0x7f86837d3935 - std::io::Write::write_fmt::h3bd699bbd129ab8a
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/io/mod.rs:1679:15
   6:     0x7f86837e59f3 - std::sys_common::backtrace::_print::h7a21be552fdf58da
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7f86837e59f3 - std::sys_common::backtrace::print::ha85c41fe4dd80b13
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7f86837e59f3 - std::panicking::default_hook::{{closure}}::h04cca40023d0eeca
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/panicking.rs:295:22
   9:     0x7f86837e56df - std::panicking::default_hook::haa3ca8c310ed5402
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/panicking.rs:314:9
  10:     0x7f86860132e1 - rustc_driver[cfb34b1539811fe8]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f86837e622d - std::panicking::rust_panic_with_hook::h7b190ce1a948faac
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/panicking.rs:702:17
  12:     0x7f86837e6041 - std::panicking::begin_panic_handler::{{closure}}::hbafbfdc3e1b97f68
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/panicking.rs:586:13
  13:     0x7f86837e31ec - std::sys_common::backtrace::__rust_end_short_backtrace::hda93e5fef243b4c0
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/sys_common/backtrace.rs:138:18
  14:     0x7f86837e5da2 - rust_begin_unwind
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/panicking.rs:584:5
  15:     0x7f868383a7d3 - core::panicking::panic_fmt::h8d17ca1073d9a733
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/core/src/panicking.rs:142:14
  16:     0x7f868383a61d - core::panicking::panic::hf0565452d0d0936c
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/core/src/panicking.rs:48:5
  17:     0x7f8685083e7d - <rustc_span[8f00505efff112e2]::SourceFile>::lookup_file_pos
  18:     0x7f8685083420 - <rustc_span[8f00505efff112e2]::source_map::SourceMap>::lookup_char_pos
  19:     0x7f8685d5ce19 - <rustc_errors[f77a66b68db622d5]::emitter::EmitterWriter>::get_multispan_max_line_num
  20:     0x7f8685d54719 - <rustc_errors[f77a66b68db622d5]::emitter::EmitterWriter as rustc_errors[f77a66b68db622d5]::emitter::Emitter>::emit_diagnostic
  21:     0x7f8685d50f51 - <rustc_errors[f77a66b68db622d5]::json::Diagnostic>::from_errors_diagnostic
  22:     0x7f8685d4f07e - <rustc_errors[f77a66b68db622d5]::json::JsonEmitter as rustc_errors[f77a66b68db622d5]::emitter::Emitter>::emit_diagnostic
  23:     0x7f8684a99c41 - <rustc_errors[f77a66b68db622d5]::HandlerInner>::emit_diagnostic
  24:     0x7f8684a99581 - <rustc_errors[f77a66b68db622d5]::Handler>::emit_diagnostic
  25:     0x7f868546655d - <rustc_errors[f77a66b68db622d5]::ErrorGuaranteed as rustc_errors[f77a66b68db622d5]::diagnostic_builder::EmissionGuarantee>::diagnostic_builder_emit_producing_guarantee
  26:     0x7f86857862d0 - rustc_builtin_macros[ed6672b6594e80a4]::format::expand_preparsed_format_args
  27:     0x7f868577f550 - rustc_builtin_macros[ed6672b6594e80a4]::format::expand_format_args_impl
  28:     0x7f86856be572 - <rustc_expand[e850aec5fc2c767b]::expand::MacroExpander>::fully_expand_fragment
  29:     0x7f8684f08ae3 - <rustc_expand[e850aec5fc2c767b]::expand::MacroExpander>::expand_crate
  30:     0x7f8684f07cf3 - <rustc_session[c5946fac61f8bc34]::session::Session>::time::<core[8c92e53db3fc2eaa]::result::Result<rustc_ast[86c44c57e50afb70]::ast::Crate, rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>, rustc_interface[3182dd864eff9d7d]::passes::configure_and_expand::{closure#1}>
  31:     0x7f8684ecff23 - rustc_interface[3182dd864eff9d7d]::passes::configure_and_expand
  32:     0x7f8684ec6805 - <rustc_interface[3182dd864eff9d7d]::queries::Queries>::expansion
  33:     0x7f8684ec319c - rustc_interface[3182dd864eff9d7d]::interface::create_compiler_and_run::<core[8c92e53db3fc2eaa]::result::Result<(), rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>, rustc_driver[cfb34b1539811fe8]::run_compiler::{closure#1}>
  34:     0x7f8684ec1ac1 - <scoped_tls[e395fa6e23b19669]::ScopedKey<rustc_span[8f00505efff112e2]::SessionGlobals>>::set::<rustc_interface[3182dd864eff9d7d]::interface::run_compiler<core[8c92e53db3fc2eaa]::result::Result<(), rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>, rustc_driver[cfb34b1539811fe8]::run_compiler::{closure#1}>::{closure#0}, core[8c92e53db3fc2eaa]::result::Result<(), rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>>
  35:     0x7f8684ec17af - std[71cb4861428b0c25]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[3182dd864eff9d7d]::util::run_in_thread_pool_with_globals<rustc_interface[3182dd864eff9d7d]::interface::run_compiler<core[8c92e53db3fc2eaa]::result::Result<(), rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>, rustc_driver[cfb34b1539811fe8]::run_compiler::{closure#1}>::{closure#0}, core[8c92e53db3fc2eaa]::result::Result<(), rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>>::{closure#0}, core[8c92e53db3fc2eaa]::result::Result<(), rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>>
  36:     0x7f8685e76d70 - <<std[71cb4861428b0c25]::thread::Builder>::spawn_unchecked_<rustc_interface[3182dd864eff9d7d]::util::run_in_thread_pool_with_globals<rustc_interface[3182dd864eff9d7d]::interface::run_compiler<core[8c92e53db3fc2eaa]::result::Result<(), rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>, rustc_driver[cfb34b1539811fe8]::run_compiler::{closure#1}>::{closure#0}, core[8c92e53db3fc2eaa]::result::Result<(), rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>>::{closure#0}, core[8c92e53db3fc2eaa]::result::Result<(), rustc_errors[f77a66b68db622d5]::ErrorGuaranteed>>::{closure#1} as core[8c92e53db3fc2eaa]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  37:     0x7f86837f0003 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f797984e2121bf
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/alloc/src/boxed.rs:1940:9
  38:     0x7f86837f0003 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfa4f3d0ee6440e0b
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/alloc/src/boxed.rs:1940:9
  39:     0x7f86837f0003 - std::sys::unix::thread::Thread::new::thread_start::h62ca48b42d48a8fc
                               at /rustc/897e37553bba8b42751c67658967889d11ecd120/library/std/src/sys/unix/thread.rs:108:17
  40:     0x7f86836bc609 - start_thread
  41:     0x7f86835df133 - clone
  42:                0x0 - <unknown>

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 (897e37553 2022-11-02) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type bin -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 `cat`

[Rageking8]

Repros on latest nightly and beta

[akis0]

Repros on latest nightly and beta

I did on nightly and on beta. Both panicked but didn't cause internal compiler errors.

Nightly

Meta

rustc --version --verbose:

<version>
 `rustc 1.67.0-nightly (e75aab045 2022-11-09)`

Error output

<output>
   Compiling tr v0.1.0 (/home/stephan/rust1/tr)
thread '<unnamed>' panicked at 'assertion failed: bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32', compiler/rustc_span/src/lib.rs:1700:17
stack backtrace:
   0:     0x7fab753f63e0 - std::backtrace_rs::backtrace::libunwind::trace::h475e6d14c20ac628
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7fab753f63e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h782386969d170809
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fab753f63e0 - std::sys_common::backtrace::_print_fmt::h2cff96f1339c9fb3
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7fab753f63e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h65381e912452bd50
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7fab754584fe - core::fmt::write::hddf5212808edda8e
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/core/src/fmt/mod.rs:1209:17
   5:     0x7fab753e6555 - std::io::Write::write_fmt::h86ff774c1fbcc56f
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/io/mod.rs:1682:15
   6:     0x7fab753f61a5 - std::sys_common::backtrace::_print::hac5746116d4b1148
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7fab753f61a5 - std::sys_common::backtrace::print::h989584698b4383b5
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7fab753f8f7f - std::panicking::default_hook::{{closure}}::hdf7100a7f19aaac7
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:267:22
   9:     0x7fab753f8cba - std::panicking::default_hook::hd54c9e09261f65ab
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:286:9
  10:     0x7fab753f978c - std::panicking::rust_panic_with_hook::h6cb13ee30fd78212
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:688:13
  11:     0x7fab753f94e1 - std::panicking::begin_panic_handler::{{closure}}::h81e7b2a35760b48f
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:577:13
  12:     0x7fab753f688c - std::sys_common::backtrace::__rust_end_short_backtrace::h74bbf3f6d71875f1
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:137:18
  13:     0x7fab753f9242 - rust_begin_unwind
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:575:5
  14:     0x7fab75454ee3 - core::panicking::panic_fmt::h89bd6f1292ecd482
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/core/src/panicking.rs:65:14
  15:     0x7fab75454fbd - core::panicking::panic::h8621bfb166577b81
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/core/src/panicking.rs:115:5
  16:     0x7fab76e6bda8 - <rustc_span[2e77502f23847349]::source_map::SourceMap>::lookup_char_pos
  17:     0x7fab77c5e132 - <rustc_errors[2bcb93b13263f24b]::emitter::EmitterWriter>::get_multispan_max_line_num
  18:     0x7fab77c55ceb - <rustc_errors[2bcb93b13263f24b]::emitter::EmitterWriter as rustc_errors[2bcb93b13263f24b]::emitter::Emitter>::emit_diagnostic
  19:     0x7fab77c53b09 - <rustc_errors[2bcb93b13263f24b]::json::Diagnostic>::from_errors_diagnostic
  20:     0x7fab77c530bc - <rustc_errors[2bcb93b13263f24b]::json::JsonEmitter as rustc_errors[2bcb93b13263f24b]::emitter::Emitter>::emit_diagnostic
  21:     0x7fab768c9c0a - <rustc_errors[2bcb93b13263f24b]::HandlerInner>::emit_diagnostic
  22:     0x7fab77415091 - <rustc_errors[2bcb93b13263f24b]::Handler>::emit_diagnostic
  23:     0x7fab773d198d - <rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed as rustc_errors[2bcb93b13263f24b]::diagnostic_builder::EmissionGuarantee>::diagnostic_builder_emit_producing_guarantee
  24:     0x7fab779de51f - rustc_builtin_macros[27fc18700f4ab977]::format::make_format_args
  25:     0x7fab779d3829 - rustc_builtin_macros[27fc18700f4ab977]::format::expand_format_args_impl
  26:     0x7fab7704f985 - <rustc_expand[222b844153769ae4]::expand::MacroExpander>::fully_expand_fragment
  27:     0x7fab778ed2e7 - <rustc_expand[222b844153769ae4]::expand::MacroExpander>::expand_crate
  28:     0x7fab778ec053 - <rustc_session[6a0929c18a48d200]::session::Session>::time::<core[7d0df67402c3c815]::result::Result<rustc_ast[e734813f4b1203b7]::ast::Crate, rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_interface[2d69c3ee45228f8a]::passes::configure_and_expand::{closure#1}>
  29:     0x7fab778b3086 - rustc_interface[2d69c3ee45228f8a]::passes::configure_and_expand
  30:     0x7fab778ab934 - <rustc_interface[2d69c3ee45228f8a]::queries::Queries>::expansion
  31:     0x7fab778a927c - <rustc_interface[2d69c3ee45228f8a]::interface::Compiler>::enter::<rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}::{closure#2}, core[7d0df67402c3c815]::result::Result<core[7d0df67402c3c815]::option::Option<rustc_interface[2d69c3ee45228f8a]::queries::Linker>, rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>
  32:     0x7fab778a43c2 - rustc_span[2e77502f23847349]::with_source_map::<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_interface[2d69c3ee45228f8a]::interface::run_compiler<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}>::{closure#0}::{closure#1}>
  33:     0x7fab778a3e9c - <scoped_tls[5e9cb458eb9b4943]::ScopedKey<rustc_span[2e77502f23847349]::SessionGlobals>>::set::<rustc_interface[2d69c3ee45228f8a]::interface::run_compiler<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}>::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>
  34:     0x7fab778a3488 - std[15847fe8052079fc]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[2d69c3ee45228f8a]::util::run_in_thread_pool_with_globals<rustc_interface[2d69c3ee45228f8a]::interface::run_compiler<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}>::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>
  35:     0x7fab778a31ac - <<std[15847fe8052079fc]::thread::Builder>::spawn_unchecked_<rustc_interface[2d69c3ee45228f8a]::util::run_in_thread_pool_with_globals<rustc_interface[2d69c3ee45228f8a]::interface::run_compiler<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}>::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>::{closure#1} as core[7d0df67402c3c815]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  36:     0x7fab79343953 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a068bdd0d9f070e
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/alloc/src/boxed.rs:2000:9
  37:     0x7fab79343953 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86d7b043c0b02a10
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/alloc/src/boxed.rs:2000:9
  38:     0x7fab79343953 - std::sys::unix::thread::Thread::new::thread_start::hfaaa856b3ec2dce6
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys/unix/thread.rs:108:17
  39:     0x7fab752bc609 - start_thread
                               at /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:477:8
  40:     0x7fab751df133 - clone
                               at /build/glibc-SzIz7B/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  41:                0x0 - <unknown>
error: could not compile `tr`

Backtrace

<backtrace>
❯ RUST_BACKTRACE=full cargo build
   Compiling tr v0.1.0 (/home/stephan/rust1/tr)
thread '<unnamed>' panicked at 'assertion failed: bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32', compiler/rustc_span/src/lib.rs:1700:17
stack backtrace:
   0:     0x7faafb65c3e0 - std::backtrace_rs::backtrace::libunwind::trace::h475e6d14c20ac628
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7faafb65c3e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h782386969d170809
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7faafb65c3e0 - std::sys_common::backtrace::_print_fmt::h2cff96f1339c9fb3
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7faafb65c3e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h65381e912452bd50
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7faafb6be4fe - core::fmt::write::hddf5212808edda8e
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/core/src/fmt/mod.rs:1209:17
   5:     0x7faafb64c555 - std::io::Write::write_fmt::h86ff774c1fbcc56f
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/io/mod.rs:1682:15
   6:     0x7faafb65c1a5 - std::sys_common::backtrace::_print::hac5746116d4b1148
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7faafb65c1a5 - std::sys_common::backtrace::print::h989584698b4383b5
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7faafb65ef7f - std::panicking::default_hook::{{closure}}::hdf7100a7f19aaac7
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:267:22
   9:     0x7faafb65ecba - std::panicking::default_hook::hd54c9e09261f65ab
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:286:9
  10:     0x7faafb65f78c - std::panicking::rust_panic_with_hook::h6cb13ee30fd78212
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:688:13
  11:     0x7faafb65f4e1 - std::panicking::begin_panic_handler::{{closure}}::h81e7b2a35760b48f
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:577:13
  12:     0x7faafb65c88c - std::sys_common::backtrace::__rust_end_short_backtrace::h74bbf3f6d71875f1
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys_common/backtrace.rs:137:18
  13:     0x7faafb65f242 - rust_begin_unwind
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/panicking.rs:575:5
  14:     0x7faafb6baee3 - core::panicking::panic_fmt::h89bd6f1292ecd482
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/core/src/panicking.rs:65:14
  15:     0x7faafb6bafbd - core::panicking::panic::h8621bfb166577b81
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/core/src/panicking.rs:115:5
  16:     0x7faafd0d1da8 - <rustc_span[2e77502f23847349]::source_map::SourceMap>::lookup_char_pos
  17:     0x7faafdec4132 - <rustc_errors[2bcb93b13263f24b]::emitter::EmitterWriter>::get_multispan_max_line_num
  18:     0x7faafdebbceb - <rustc_errors[2bcb93b13263f24b]::emitter::EmitterWriter as rustc_errors[2bcb93b13263f24b]::emitter::Emitter>::emit_diagnostic
  19:     0x7faafdeb9b09 - <rustc_errors[2bcb93b13263f24b]::json::Diagnostic>::from_errors_diagnostic
  20:     0x7faafdeb90bc - <rustc_errors[2bcb93b13263f24b]::json::JsonEmitter as rustc_errors[2bcb93b13263f24b]::emitter::Emitter>::emit_diagnostic
  21:     0x7faafcb2fc0a - <rustc_errors[2bcb93b13263f24b]::HandlerInner>::emit_diagnostic
  22:     0x7faafd67b091 - <rustc_errors[2bcb93b13263f24b]::Handler>::emit_diagnostic
  23:     0x7faafd63798d - <rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed as rustc_errors[2bcb93b13263f24b]::diagnostic_builder::EmissionGuarantee>::diagnostic_builder_emit_producing_guarantee
  24:     0x7faafdc4451f - rustc_builtin_macros[27fc18700f4ab977]::format::make_format_args
  25:     0x7faafdc39829 - rustc_builtin_macros[27fc18700f4ab977]::format::expand_format_args_impl
  26:     0x7faafd2b5985 - <rustc_expand[222b844153769ae4]::expand::MacroExpander>::fully_expand_fragment
  27:     0x7faafdb532e7 - <rustc_expand[222b844153769ae4]::expand::MacroExpander>::expand_crate
  28:     0x7faafdb52053 - <rustc_session[6a0929c18a48d200]::session::Session>::time::<core[7d0df67402c3c815]::result::Result<rustc_ast[e734813f4b1203b7]::ast::Crate, rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_interface[2d69c3ee45228f8a]::passes::configure_and_expand::{closure#1}>
  29:     0x7faafdb19086 - rustc_interface[2d69c3ee45228f8a]::passes::configure_and_expand
  30:     0x7faafdb11934 - <rustc_interface[2d69c3ee45228f8a]::queries::Queries>::expansion
  31:     0x7faafdb0f27c - <rustc_interface[2d69c3ee45228f8a]::interface::Compiler>::enter::<rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}::{closure#2}, core[7d0df67402c3c815]::result::Result<core[7d0df67402c3c815]::option::Option<rustc_interface[2d69c3ee45228f8a]::queries::Linker>, rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>
  32:     0x7faafdb0a3c2 - rustc_span[2e77502f23847349]::with_source_map::<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_interface[2d69c3ee45228f8a]::interface::run_compiler<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}>::{closure#0}::{closure#1}>
  33:     0x7faafdb09e9c - <scoped_tls[5e9cb458eb9b4943]::ScopedKey<rustc_span[2e77502f23847349]::SessionGlobals>>::set::<rustc_interface[2d69c3ee45228f8a]::interface::run_compiler<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}>::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>
  34:     0x7faafdb09488 - std[15847fe8052079fc]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[2d69c3ee45228f8a]::util::run_in_thread_pool_with_globals<rustc_interface[2d69c3ee45228f8a]::interface::run_compiler<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}>::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>
  35:     0x7faafdb091ac - <<std[15847fe8052079fc]::thread::Builder>::spawn_unchecked_<rustc_interface[2d69c3ee45228f8a]::util::run_in_thread_pool_with_globals<rustc_interface[2d69c3ee45228f8a]::interface::run_compiler<core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>, rustc_driver[41f9f2ea3541ee7a]::run_compiler::{closure#1}>::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7d0df67402c3c815]::result::Result<(), rustc_errors[2bcb93b13263f24b]::ErrorGuaranteed>>::{closure#1} as core[7d0df67402c3c815]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  36:     0x7faaff5a9953 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a068bdd0d9f070e
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/alloc/src/boxed.rs:2000:9
  37:     0x7faaff5a9953 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86d7b043c0b02a10
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/alloc/src/boxed.rs:2000:9
  38:     0x7faaff5a9953 - std::sys::unix::thread::Thread::new::thread_start::hfaaa856b3ec2dce6
                               at /rustc/e75aab045fc476f176a58c408f6b06f0e275c6e1/library/std/src/sys/unix/thread.rs:108:17
  39:     0x7faafb522609 - start_thread
                               at /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:477:8
  40:     0x7faafb445133 - clone
                               at /build/glibc-SzIz7B/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  41:                0x0 - <unknown>
error: could not compile `tr`

Beta

Meta

rustc --version --verbose:

<version>
 rustc 1.66.0-beta.1 (e080cc5a6 2022-11-01)

Error output

<output>

  Compiling tr v0.1.0 (/home/stephan/rust1/tr)
thread '<unnamed>' panicked at 'assertion failed: bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32', compiler/rustc_span/src/lib.rs:1700:17
stack backtrace:
   0:     0x7f27394759a0 - std::backtrace_rs::backtrace::libunwind::trace::h2df8645d586d9354
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f27394759a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8ccc7432adfc32a8
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f27394759a0 - std::sys_common::backtrace::_print_fmt::h6b5315b3e6c5b112
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f27394759a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1196a40d5ac35d56
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f27394d198e - core::fmt::write::hb5395aee3db34e90
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/core/src/fmt/mod.rs:1209:17
   5:     0x7f2739465c15 - std::io::Write::write_fmt::hf1b72fac8a3acb27
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/io/mod.rs:1682:15
   6:     0x7f2739475765 - std::sys_common::backtrace::_print::h805a3d8a840d4dd9
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7f2739475765 - std::sys_common::backtrace::print::h9dc5789e99bcd646
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7f273947856f - std::panicking::default_hook::{{closure}}::h79c2a100d70e0a69
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:267:22
   9:     0x7f27394782aa - std::panicking::default_hook::h9d54a6e2e183091b
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:286:9
  10:     0x7f2739478d78 - std::panicking::rust_panic_with_hook::h66c09c3756b56830
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:688:13
  11:     0x7f2739478ad1 - std::panicking::begin_panic_handler::{{closure}}::haacf5fe4954e1592
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:577:13
  12:     0x7f2739475e4c - std::sys_common::backtrace::__rust_end_short_backtrace::h3f18dbb82ab7bb81
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:137:18
  13:     0x7f2739478832 - rust_begin_unwind
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:575:5
  14:     0x7f27394ce373 - core::panicking::panic_fmt::h44028ba00aff6a3b
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/core/src/panicking.rs:65:14
  15:     0x7f27394ce44d - core::panicking::panic::h071343d94407099c
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/core/src/panicking.rs:115:5
  16:     0x7f273ad262dd - <rustc_span[85bea1f81190796e]::source_map::SourceMap>::lookup_char_pos
  17:     0x7f273bc8f352 - <rustc_errors[8289f13c10dc8783]::emitter::EmitterWriter>::get_multispan_max_line_num
  18:     0x7f273bc86f18 - <rustc_errors[8289f13c10dc8783]::emitter::EmitterWriter as rustc_errors[8289f13c10dc8783]::emitter::Emitter>::emit_diagnostic
  19:     0x7f273bc84c11 - <rustc_errors[8289f13c10dc8783]::json::Diagnostic>::from_errors_diagnostic
  20:     0x7f273bc841bc - <rustc_errors[8289f13c10dc8783]::json::JsonEmitter as rustc_errors[8289f13c10dc8783]::emitter::Emitter>::emit_diagnostic
  21:     0x7f273b6bb28a - <rustc_errors[8289f13c10dc8783]::HandlerInner>::emit_diagnostic
  22:     0x7f273b6bac41 - <rustc_errors[8289f13c10dc8783]::Handler>::emit_diagnostic
  23:     0x7f273b676e8d - <rustc_errors[8289f13c10dc8783]::ErrorGuaranteed as rustc_errors[8289f13c10dc8783]::diagnostic_builder::EmissionGuarantee>::diagnostic_builder_emit_producing_guarantee
  24:     0x7f273b92a573 - rustc_builtin_macros[ad802a20e964a19a]::format::make_format_args
  25:     0x7f273b91f719 - rustc_builtin_macros[ad802a20e964a19a]::format::expand_format_args_impl
  26:     0x7f273b06b864 - <rustc_expand[16ea2ac5f3917bd2]::expand::MacroExpander>::fully_expand_fragment
  27:     0x7f273b9c87bd - <rustc_expand[16ea2ac5f3917bd2]::expand::MacroExpander>::expand_crate
  28:     0x7f273b9c7504 - <rustc_session[638750f383577479]::session::Session>::time::<core[6f75f940baff7b16]::result::Result<rustc_ast[3c7fc2053f8ae4a5]::ast::Crate, rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_interface[e10a04643064e0c3]::passes::configure_and_expand::{closure#1}>
  29:     0x7f273b98d986 - rustc_interface[e10a04643064e0c3]::passes::configure_and_expand
  30:     0x7f273b986154 - <rustc_interface[e10a04643064e0c3]::queries::Queries>::expansion
  31:     0x7f273b983a9c - <rustc_interface[e10a04643064e0c3]::interface::Compiler>::enter::<rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}::{closure#2}, core[6f75f940baff7b16]::result::Result<core[6f75f940baff7b16]::option::Option<rustc_interface[e10a04643064e0c3]::queries::Linker>, rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>
  32:     0x7f273b97b6f2 - rustc_span[85bea1f81190796e]::with_source_map::<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_interface[e10a04643064e0c3]::interface::run_compiler<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}>::{closure#0}::{closure#1}>
  33:     0x7f273b97b1e9 - <scoped_tls[df6a59750083ca9d]::ScopedKey<rustc_span[85bea1f81190796e]::SessionGlobals>>::set::<rustc_interface[e10a04643064e0c3]::interface::run_compiler<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}>::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>
  34:     0x7f273b97a7f8 - std[6a238fb43aa4c274]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[e10a04643064e0c3]::util::run_in_thread_pool_with_globals<rustc_interface[e10a04643064e0c3]::interface::run_compiler<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}>::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>
  35:     0x7f273b97a51c - <<std[6a238fb43aa4c274]::thread::Builder>::spawn_unchecked_<rustc_interface[e10a04643064e0c3]::util::run_in_thread_pool_with_globals<rustc_interface[e10a04643064e0c3]::interface::run_compiler<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}>::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>::{closure#1} as core[6f75f940baff7b16]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  36:     0x7f273d31dbc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h23aa6e7db304ed51
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/alloc/src/boxed.rs:1987:9
  37:     0x7f273d31dbc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0482f1835c06f38d
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/alloc/src/boxed.rs:1987:9
  38:     0x7f273d31dbc3 - std::sys::unix::thread::Thread::new::thread_start::h5213f0bce91e8f3e
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys/unix/thread.rs:108:17
  39:     0x7f2739344609 - start_thread
                               at /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:477:8
  40:     0x7f2739267133 - clone
                               at /build/glibc-SzIz7B/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  41:                0x0 - <unknown>
error: could not compile `tr`

Backtrace

<backtrace>
❯ RUST_BACKTRACE=full cargo build
   Compiling tr v0.1.0 (/home/stephan/rust1/tr)
thread '<unnamed>' panicked at 'assertion failed: bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32', compiler/rustc_span/src/lib.rs:1700:17
stack backtrace:
   0:     0x7ff3407d99a0 - std::backtrace_rs::backtrace::libunwind::trace::h2df8645d586d9354
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7ff3407d99a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8ccc7432adfc32a8
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7ff3407d99a0 - std::sys_common::backtrace::_print_fmt::h6b5315b3e6c5b112
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7ff3407d99a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1196a40d5ac35d56
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7ff34083598e - core::fmt::write::hb5395aee3db34e90
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/core/src/fmt/mod.rs:1209:17
   5:     0x7ff3407c9c15 - std::io::Write::write_fmt::hf1b72fac8a3acb27
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/io/mod.rs:1682:15
   6:     0x7ff3407d9765 - std::sys_common::backtrace::_print::h805a3d8a840d4dd9
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7ff3407d9765 - std::sys_common::backtrace::print::h9dc5789e99bcd646
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7ff3407dc56f - std::panicking::default_hook::{{closure}}::h79c2a100d70e0a69
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:267:22
   9:     0x7ff3407dc2aa - std::panicking::default_hook::h9d54a6e2e183091b
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:286:9
  10:     0x7ff3407dcd78 - std::panicking::rust_panic_with_hook::h66c09c3756b56830
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:688:13
  11:     0x7ff3407dcad1 - std::panicking::begin_panic_handler::{{closure}}::haacf5fe4954e1592
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:577:13
  12:     0x7ff3407d9e4c - std::sys_common::backtrace::__rust_end_short_backtrace::h3f18dbb82ab7bb81
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys_common/backtrace.rs:137:18
  13:     0x7ff3407dc832 - rust_begin_unwind
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/panicking.rs:575:5
  14:     0x7ff340832373 - core::panicking::panic_fmt::h44028ba00aff6a3b
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/core/src/panicking.rs:65:14
  15:     0x7ff34083244d - core::panicking::panic::h071343d94407099c
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/core/src/panicking.rs:115:5
  16:     0x7ff34208a2dd - <rustc_span[85bea1f81190796e]::source_map::SourceMap>::lookup_char_pos
  17:     0x7ff342ff3352 - <rustc_errors[8289f13c10dc8783]::emitter::EmitterWriter>::get_multispan_max_line_num
  18:     0x7ff342feaf18 - <rustc_errors[8289f13c10dc8783]::emitter::EmitterWriter as rustc_errors[8289f13c10dc8783]::emitter::Emitter>::emit_diagnostic
  19:     0x7ff342fe8c11 - <rustc_errors[8289f13c10dc8783]::json::Diagnostic>::from_errors_diagnostic
  20:     0x7ff342fe81bc - <rustc_errors[8289f13c10dc8783]::json::JsonEmitter as rustc_errors[8289f13c10dc8783]::emitter::Emitter>::emit_diagnostic
  21:     0x7ff342a1f28a - <rustc_errors[8289f13c10dc8783]::HandlerInner>::emit_diagnostic
  22:     0x7ff342a1ec41 - <rustc_errors[8289f13c10dc8783]::Handler>::emit_diagnostic
  23:     0x7ff3429dae8d - <rustc_errors[8289f13c10dc8783]::ErrorGuaranteed as rustc_errors[8289f13c10dc8783]::diagnostic_builder::EmissionGuarantee>::diagnostic_builder_emit_producing_guarantee
  24:     0x7ff342c8e573 - rustc_builtin_macros[ad802a20e964a19a]::format::make_format_args
  25:     0x7ff342c83719 - rustc_builtin_macros[ad802a20e964a19a]::format::expand_format_args_impl
  26:     0x7ff3423cf864 - <rustc_expand[16ea2ac5f3917bd2]::expand::MacroExpander>::fully_expand_fragment
  27:     0x7ff342d2c7bd - <rustc_expand[16ea2ac5f3917bd2]::expand::MacroExpander>::expand_crate
  28:     0x7ff342d2b504 - <rustc_session[638750f383577479]::session::Session>::time::<core[6f75f940baff7b16]::result::Result<rustc_ast[3c7fc2053f8ae4a5]::ast::Crate, rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_interface[e10a04643064e0c3]::passes::configure_and_expand::{closure#1}>
  29:     0x7ff342cf1986 - rustc_interface[e10a04643064e0c3]::passes::configure_and_expand
  30:     0x7ff342cea154 - <rustc_interface[e10a04643064e0c3]::queries::Queries>::expansion
  31:     0x7ff342ce7a9c - <rustc_interface[e10a04643064e0c3]::interface::Compiler>::enter::<rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}::{closure#2}, core[6f75f940baff7b16]::result::Result<core[6f75f940baff7b16]::option::Option<rustc_interface[e10a04643064e0c3]::queries::Linker>, rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>
  32:     0x7ff342cdf6f2 - rustc_span[85bea1f81190796e]::with_source_map::<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_interface[e10a04643064e0c3]::interface::run_compiler<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}>::{closure#0}::{closure#1}>
  33:     0x7ff342cdf1e9 - <scoped_tls[df6a59750083ca9d]::ScopedKey<rustc_span[85bea1f81190796e]::SessionGlobals>>::set::<rustc_interface[e10a04643064e0c3]::interface::run_compiler<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}>::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>
  34:     0x7ff342cde7f8 - std[6a238fb43aa4c274]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[e10a04643064e0c3]::util::run_in_thread_pool_with_globals<rustc_interface[e10a04643064e0c3]::interface::run_compiler<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}>::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>
  35:     0x7ff342cde51c - <<std[6a238fb43aa4c274]::thread::Builder>::spawn_unchecked_<rustc_interface[e10a04643064e0c3]::util::run_in_thread_pool_with_globals<rustc_interface[e10a04643064e0c3]::interface::run_compiler<core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>, rustc_driver[2731657a57c33a9f]::run_compiler::{closure#1}>::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[6f75f940baff7b16]::result::Result<(), rustc_errors[8289f13c10dc8783]::ErrorGuaranteed>>::{closure#1} as core[6f75f940baff7b16]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  36:     0x7ff344681bc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h23aa6e7db304ed51
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/alloc/src/boxed.rs:1987:9
  37:     0x7ff344681bc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0482f1835c06f38d
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/alloc/src/boxed.rs:1987:9
  38:     0x7ff344681bc3 - std::sys::unix::thread::Thread::new::thread_start::h5213f0bce91e8f3e
                               at /rustc/e080cc5a659fb760c0bc561b722a790dad35b5e1/library/std/src/sys/unix/thread.rs:108:17
  39:     0x7ff3406a8609 - start_thread
                               at /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:477:8
  40:     0x7ff3405cb133 - clone
                               at /build/glibc-SzIz7B/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  41:                0x0 - <unknown>
error: could not compile `tr`