tests/ui/duplicate-fmt.stderr - external/github.com/dtolnay/thiserror - Git at Google

 error: only one #[error(...)] attribute is allowed
  --> $DIR/duplicate-fmt.rs:5:1
   |
 5 | #[error("...")]
   | ^^^^^^^^^^^^^^^
	error: only one #[error(...)] attribute is allowed
	--> $DIR/duplicate-fmt.rs:5:1
	\|
	5 \| #[error("...")]
	\| ^^^^^^^^^^^^^^^