rustfmt failed with use underscore prefixed name

[wizardxz]

~/tmp/repro master* ❯ cat src/main.rs
use sql::{
    _bind_this_one_has_underscore, A1, A2, A3, A4, A5, A6, A7, A9, UnescapeOptions, bind_11,
    bind_12, build_13, check_14, check_15, coerce_16, construct_17, construct_18, create_19, df_20,
    expand_21,
};

~/tmp/repro master* ❯ rustfmt src/main.rs                                                                                                                                                                                                                                                                                                                                                                                                                                             
thread 'main' panicked at library/core/src/slice/sort/shared/smallsort.rs:860:5:
user-provided comparison function does not correctly implement a total order
stack backtrace:
   0:     0x732ab9200f83 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
   1:     0x732ab9a02d77 - core::fmt::write::h8a494366950f23bb
   2:     0x732abadd14d1 - std::io::Write::write_fmt::h6556609fca33d0b1
   3:     0x732ab9200de2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
   4:     0x732ab9204887 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
   5:     0x732ab92043eb - std::panicking::default_hook::h2c66fc99e962531d
   6:     0x732ab82627e3 - std[9479b33d5e275715]::panicking::update_hook::<alloc[252dd2b3abdfe4a]::boxed::Box<rustc_driver_impl[773a1ede480c2143]::install_ice_hook::{closure#1}>>::{closure#0}
   7:     0x732ab92050ce - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
   8:     0x732ab9204d96 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
   9:     0x732ab9201459 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
  10:     0x732ab9204aad - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
  11:     0x732ab58d01a0 - core::panicking::panic_fmt::h62f63d096dd276af
  12:     0x732ab7c1cddb - core::slice::sort::shared::smallsort::panic_on_ord_violation::h5994bbfe0e95ef55
  13:     0x57415d2caa60 - core[42326c15e70145c1]::slice::sort::stable::quicksort::quicksort::<rustfmt_nightly[8838cd23bc40e56a]::imports::UseTree, <rustfmt_nightly[8838cd23bc40e56a]::imports::UseTree as core[42326c15e70145c1]::cmp::PartialOrd>::lt>
  14:     0x57415d2c7fe7 - core[42326c15e70145c1]::slice::sort::stable::drift::sort::<rustfmt_nightly[8838cd23bc40e56a]::imports::UseTree, <rustfmt_nightly[8838cd23bc40e56a]::imports::UseTree as core[42326c15e70145c1]::cmp::PartialOrd>::lt>
  15:     0x57415d2c6e06 - core[42326c15e70145c1]::slice::sort::stable::driftsort_main::<rustfmt_nightly[8838cd23bc40e56a]::imports::UseTree, <rustfmt_nightly[8838cd23bc40e56a]::imports::UseTree as core[42326c15e70145c1]::cmp::PartialOrd>::lt, alloc[252dd2b3abdfe4a]::vec::Vec<rustfmt_nightly[8838cd23bc40e56a]::imports::UseTree>>
  16:     0x57415d3596ec - <rustfmt_nightly[8838cd23bc40e56a]::imports::UseTree>::normalize
  17:     0x57415d2f8385 - <core[42326c15e70145c1]::iter::adapters::filter_map::FilterMap<core[42326c15e70145c1]::slice::iter::Iter<&rustc_ast[cdaf044baa5222af]::ast::Item>, rustfmt_nightly[8838cd23bc40e56a]::reorder::rewrite_reorderable_or_regroupable_items::{closure#0}> as core[42326c15e70145c1]::iter::traits::iterator::Iterator>::next
  18:     0x57415d3ace24 - <rustfmt_nightly[8838cd23bc40e56a]::visitor::FmtVisitor>::visit_items_with_reordering
  19:     0x57415d3d2d67 - <rustfmt_nightly[8838cd23bc40e56a]::visitor::FmtVisitor>::format_separate_mod
  20:     0x57415d29a2e2 - <rustfmt_nightly[8838cd23bc40e56a]::Session<std[9479b33d5e275715]::io::stdio::Stdout>>::format_input_inner::{closure#0}
  21:     0x57415d2ab014 - rustfmt[1bccd44b51d69c4e]::format_and_emit_report::<std[9479b33d5e275715]::io::stdio::Stdout>
  22:     0x57415d2a98df - rustfmt[1bccd44b51d69c4e]::execute
  23:     0x57415d2a51d5 - rustfmt[1bccd44b51d69c4e]::main
  24:     0x57415d296cd3 - std[9479b33d5e275715]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
  25:     0x57415d297289 - std[9479b33d5e275715]::rt::lang_start::<()>::{closure#0}
  26:     0x732abab7c451 - std::rt::lang_start_internal::h34f9328d113fd60a
  27:     0x57415d2ac318 - main
  28:     0x732ab422a1ca - __libc_start_call_main
                               at ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16
  29:     0x732ab422a28b - __libc_start_main_impl
                               at ./csu/../csu/libc-start.c:360:3
  30:     0x57415d171079 - <unknown>
  31:                0x0 - <unknown>

error: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rustfmt/issues/new?labels=bug

note: rustc 1.90.0 (1159e78c4 2025-09-14) running on x86_64-unknown-linux-gnu

query stack during panic:
end of query stack

But if the underscore prefix does not exist, it is good

~/tmp/repro master* ❯ cat src/main.rs
use sql::{
    bind_this_one_has_underscore, A1, A2, A3, A4, A5, A6, A7, A9, UnescapeOptions, bind_11,
    bind_12, build_13, check_14, check_15, coerce_16, construct_17, construct_18, create_19, df_20,
    expand_21,
};
~/tmp/repro master* ❯ rustfmt src/main.rs
~/tmp/repro master* ❯ echo $?
0
~/tmp/repro master* ❯     

The rustfmt +nightly src/main.rs also re-produce the issue