Short version for non-lawyers:

This project is dual-licensed under Apache 2.0 and MIT terms.


Longer version:

The code inside the src/hashmap directory is copyright 2010, The Rust Project
Developers. It comes from libcollections and has been changed minimally.

Licensed under the Apache License, Version 2.0
<LICENSE-APACHE or
http://www.apache.org/licenses/LICENSE-2.0> or the MIT
license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
at your option. All files in the project carrying such
notice may not be copied, modified, or distributed except
according to those terms.


The remainder is copyright 2017, Mathias Svensson under the same license.