src/test/ui/crate-name-mismatch.stderr

error: --crate-name and #[crate_name] are required to match, but `foo` != `bar`
  --> $DIR/crate-name-mismatch.rs:3:1
   |
LL | #![crate_name = "bar"]
   | ^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error