tests/ui/resolve/issue-102946.rs - third_party/rust - Git at Google

 impl Error for str::Utf8Error {
     //~^ ERROR cannot find trait `Error` in this scope
     //~| ERROR ambiguous associated type
 }

 fn main() {}
	impl Error for str::Utf8Error {
	//~^ ERROR cannot find trait `Error` in this scope
	//~\| ERROR ambiguous associated type
	}

	fn main() {}