tests/ui/attributes/attr-bad-crate-attr.rs - rust-lang/rust - Git at Google

 //! Check that we permit a crate-level inner attribute but reject a dangling outer attribute which
 //! does not have a following thing that it can target.
 //!
 //! See <https://doc.rust-lang.org/reference/attributes.html>.

 #![attr = "val"]
 #[attr = "val"] // Unterminated
 //~^ ERROR expected item after attributes
	//! Check that we permit a crate-level inner attribute but reject a dangling outer attribute which
	//! does not have a following thing that it can target.
	//!
	//! See <https://doc.rust-lang.org/reference/attributes.html>.

	#![attr = "val"]
	#[attr = "val"] // Unterminated
	//~^ ERROR expected item after attributes