tests/ui/parser/shebang/valid-shebang.rs - rust-lang/rust - Git at Google

 #!/usr/bin/env run-cargo-script

 //@ check-pass
 //@ reference: input.shebang
 fn main() {
     println!("Hello World!");
 }
	#!/usr/bin/env run-cargo-script

	//@ check-pass
	//@ reference: input.shebang
	fn main() {
	println!("Hello World!");
	}