ICE reports ignore `--color=never`

[langston-barrett]

rustc +nightly --color=never 123629.rs

// 123629.rs
//@ known-bug: #123629
#![feature(generic_assert)]

fn foo()
where
    for<const N: usize = { assert!(u) }> ():,
{
}

fn main() {}

I expected to see this happen: No colors in the output

Instead, this happened: Colors in the output, around note:

I would guess that the problem is that this unconditionally uses Auto:

rust/compiler/rustc_driver_impl/src/lib.rs

Line 1481 in 646a3f8

stderr_destination(rustc_errors::ColorConfig::Auto),

Meta

rustc --version --verbose:

rustc 1.93.0-nightly (b84478a1c 2025-11-30)
binary: rustc
commit-hash: b84478a1c477756cd3e1974eda867a6bb31e8902
commit-date: 2025-11-30
host: x86_64-unknown-linux-gnu
release: 1.93.0-nightly
LLVM version: 21.1.5

[workingjubilee]

Nice catch!