diff options
Diffstat (limited to 'compiler/rustc_errors/src/json.rs')
| -rw-r--r-- | compiler/rustc_errors/src/json.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/compiler/rustc_errors/src/json.rs b/compiler/rustc_errors/src/json.rs index af82d8092c2..3d2a04d5851 100644 --- a/compiler/rustc_errors/src/json.rs +++ b/compiler/rustc_errors/src/json.rs @@ -135,7 +135,12 @@ impl Emitter for JsonEmitter { let data: Vec<FutureBreakageItem<'_>> = diags .into_iter() .map(|mut diag| { - if diag.level == crate::Level::Allow { + // The `FutureBreakageItem` is collected and serialized. + // However, the `allow` and `expect` lint levels can't usually + // be serialized. The lint level is overwritten to allow the + // serialization again and force a lint emission. + // (This is an educated guess. I didn't originally add this) + if matches!(diag.level, crate::Level::Allow | crate::Level::Expect(..)) { diag.level = crate::Level::Warning; } FutureBreakageItem { |