conflicting errors: index out of bounds #127915

error: expected one of `!`, `)`, `,`, `.`, `::`, `?`, `{`, or an operator, found `a`
  --> /tmp/icemaker_global_tempdir.QGzNG6bn8yYA/rustc_testrunner_tmpdir_reporting.SLkJ1snnTB0j/mvce.rs:10:18
   |
10 |             6, a a as f64, b, b as f64, f, c as f64, d, d as f64, e, e as f64, f, g,
   |                 -^ expected one of 8 possible tokens
   |                 |
   |                 help: missing `,`

error[E0601]: `main` function not found in crate `mvce`
  --> /tmp/icemaker_global_tempdir.QGzNG6bn8yYA/rustc_testrunner_tmpdir_reporting.SLkJ1snnTB0j/mvce.rs:13:2
   |
13 | }
   |  ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.QGzNG6bn8yYA/rustc_testrunner_tmpdir_reporting.SLkJ1snnTB0j/mvce.rs`

thread 'rustc' panicked at compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs:460:25:
index out of bounds: the len is 1 but the index is 5
stack backtrace:
   0:     0x7c15380393e5 - std::backtrace_rs::backtrace::libunwind::trace::hc272dcb5eaa8302d
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
   1:     0x7c15380393e5 - std::backtrace_rs::backtrace::trace_unsynchronized::h691a0ef10f8dc9a8
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7c15380393e5 - std::sys::backtrace::_print_fmt::ha47904fbec98bf60
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/sys/backtrace.rs:65:5
   3:     0x7c15380393e5 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h0e7a639705968ce6
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/sys/backtrace.rs:40:26
   4:     0x7c1538088e3b - core::fmt::rt::Argument::fmt::h4d320f08a40785a8
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/core/src/fmt/rt.rs:173:76
   5:     0x7c1538088e3b - core::fmt::write::hd7ed7bd021505a5c
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/core/src/fmt/mod.rs:1182:21
   6:     0x7c153802df4f - std::io::Write::write_fmt::hd51bd05baef3855c
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/io/mod.rs:1827:15
   7:     0x7c153803bbd1 - std::sys::backtrace::BacktraceLock::print::h680bd12acab7503d
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/sys/backtrace.rs:43:9
   8:     0x7c153803bbd1 - std::panicking::default_hook::{{closure}}::h0ef49fd74d19887c
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/panicking.rs:269:22
   9:     0x7c153803b8ac - std::panicking::default_hook::h90696ad068a27ec2
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/panicking.rs:296:9
  10:     0x7c153441c48a - std[3252865f4bda34c5]::panicking::update_hook::<alloc[da3b8f8ba9a896aa]::boxed::Box<rustc_driver_impl[f13dd90190e9dbe1]::install_ice_hook::{closure#0}>>::{closure#0}
  11:     0x7c153803c59f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haab09738ddd9b211
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/alloc/src/boxed.rs:2084:9
  12:     0x7c153803c59f - std::panicking::rust_panic_with_hook::hffc45dfe647fb2c9
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/panicking.rs:808:13
  13:     0x7c153803c1c7 - std::panicking::begin_panic_handler::{{closure}}::h6813f3683084058d
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/panicking.rs:674:13
  14:     0x7c15380398a9 - std::sys::backtrace::__rust_end_short_backtrace::h13725c19e23f5561
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/sys/backtrace.rs:168:18
  15:     0x7c153803be54 - rust_begin_unwind
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/panicking.rs:665:5
  16:     0x7c15380853f3 - core::panicking::panic_fmt::h41c1b797812051d9
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/core/src/panicking.rs:74:14
  17:     0x7c15380855e7 - core::panicking::panic_bounds_check::hc662a6db3764f3f1
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/core/src/panicking.rs:276:5
  18:     0x7c15341d9838 - <rustc_borrowck[77751704c041c5e5]::MirBorrowckCtxt>::suggest_ref_or_clone
  19:     0x7c15341d323d - <rustc_borrowck[77751704c041c5e5]::MirBorrowckCtxt>::report_use_of_moved_or_uninitialized
  20:     0x7c1535b5902f - <rustc_borrowck[77751704c041c5e5]::MirBorrowckCtxt>::consume_operand
  21:     0x7c1536a1e288 - rustc_borrowck[77751704c041c5e5]::do_mir_borrowck
  22:     0x7c15369ddd02 - rustc_query_impl[a7dfaff16252b164]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[a7dfaff16252b164]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[dd9bfa5285b6d2e6]::query::erase::Erased<[u8; 8usize]>>
  23:     0x7c1535c8c3f3 - rustc_query_system[d599853b3d31bcb6]::query::plumbing::try_execute_query::<rustc_query_impl[a7dfaff16252b164]::DynamicConfig<rustc_query_system[d599853b3d31bcb6]::query::caches::VecCache<rustc_span[dacc065a687a0f9e]::def_id::LocalDefId, rustc_middle[dd9bfa5285b6d2e6]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[a7dfaff16252b164]::plumbing::QueryCtxt, false>
  24:     0x7c1535c8be4d - rustc_query_impl[a7dfaff16252b164]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
  25:     0x7c1535e6fa61 - rustc_interface[dbb229baa21df1c0]::passes::analysis
  26:     0x7c1535e6ec47 - rustc_query_impl[a7dfaff16252b164]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[a7dfaff16252b164]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[dd9bfa5285b6d2e6]::query::erase::Erased<[u8; 1usize]>>
  27:     0x7c15368ec225 - rustc_query_system[d599853b3d31bcb6]::query::plumbing::try_execute_query::<rustc_query_impl[a7dfaff16252b164]::DynamicConfig<rustc_query_system[d599853b3d31bcb6]::query::caches::SingleCache<rustc_middle[dd9bfa5285b6d2e6]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[a7dfaff16252b164]::plumbing::QueryCtxt, false>
  28:     0x7c15368ebf8f - rustc_query_impl[a7dfaff16252b164]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  29:     0x7c153680a345 - rustc_interface[dbb229baa21df1c0]::interface::run_compiler::<core[67e71a49bc1f0e88]::result::Result<(), rustc_span[dacc065a687a0f9e]::ErrorGuaranteed>, rustc_driver_impl[f13dd90190e9dbe1]::run_compiler::{closure#0}>::{closure#1}
  30:     0x7c15367a3189 - std[3252865f4bda34c5]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[dbb229baa21df1c0]::util::run_in_thread_with_globals<rustc_interface[dbb229baa21df1c0]::util::run_in_thread_pool_with_globals<rustc_interface[dbb229baa21df1c0]::interface::run_compiler<core[67e71a49bc1f0e88]::result::Result<(), rustc_span[dacc065a687a0f9e]::ErrorGuaranteed>, rustc_driver_impl[f13dd90190e9dbe1]::run_compiler::{closure#0}>::{closure#1}, core[67e71a49bc1f0e88]::result::Result<(), rustc_span[dacc065a687a0f9e]::ErrorGuaranteed>>::{closure#0}, core[67e71a49bc1f0e88]::result::Result<(), rustc_span[dacc065a687a0f9e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[67e71a49bc1f0e88]::result::Result<(), rustc_span[dacc065a687a0f9e]::ErrorGuaranteed>>
  31:     0x7c15367a2f3a - <<std[3252865f4bda34c5]::thread::Builder>::spawn_unchecked_<rustc_interface[dbb229baa21df1c0]::util::run_in_thread_with_globals<rustc_interface[dbb229baa21df1c0]::util::run_in_thread_pool_with_globals<rustc_interface[dbb229baa21df1c0]::interface::run_compiler<core[67e71a49bc1f0e88]::result::Result<(), rustc_span[dacc065a687a0f9e]::ErrorGuaranteed>, rustc_driver_impl[f13dd90190e9dbe1]::run_compiler::{closure#0}>::{closure#1}, core[67e71a49bc1f0e88]::result::Result<(), rustc_span[dacc065a687a0f9e]::ErrorGuaranteed>>::{closure#0}, core[67e71a49bc1f0e88]::result::Result<(), rustc_span[dacc065a687a0f9e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[67e71a49bc1f0e88]::result::Result<(), rustc_span[dacc065a687a0f9e]::ErrorGuaranteed>>::{closure#2} as core[67e71a49bc1f0e88]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  32:     0x7c15380465fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h779e14e1cec4b93e
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/alloc/src/boxed.rs:2070:9
  33:     0x7c15380465fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h93db42a0f7517b09
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/alloc/src/boxed.rs:2070:9
  34:     0x7c15380465fb - std::sys::pal::unix::thread::Thread::new::thread_start::h450a1bf9a7dd864a
                               at /rustc/52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6/library/std/src/sys/pal/unix/thread.rs:108:17
  35:     0x7c1537ddaded - <unknown>
  36:     0x7c1537e5e0dc - <unknown>
  37:                0x0 - <unknown>

error: 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: please make sure that you have updated to the latest nightly

note: rustc 1.81.0-nightly (52f3c71c8 2024-07-18) running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [mir_borrowck] borrow-checking `test`
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0601`.