src/doc/book/COPYRIGHT - toolchain/rustc - Git at Google

 This repository is licensed under the Apache License, Version 2.0
 <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0> or the MIT
 license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option.
	This repository is licensed under the Apache License, Version 2.0
	<LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0> or the MIT
	license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option.