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139651428d
feat: show what lint was overruled We can't `#[allow]` a whole lint group if any of its members is forbidden, but the offending member is not currently shown if it was forbidden from the command line. Before/after: ```diff $ rustc -F dead_code - <<< '#![allow(unused)]' error[E0453]: allow(unused) incompatible with previous forbid --> <anon>:1:10 | 1 | #![allow(unused)] | ^^^^^^ overruled by previous forbid | - = note: `forbid` lint level was set on command line + = note: `forbid` lint level was set on command line (`-F dead_code`) error: aborting due to 1 previous error ``` @rustbot label +A-diagnostics +A-lints +D-terse