Copyrights in the Rust Standard Library are retained by their contributors. No copyright assignment is required to contribute to the Rust project.
Some files include explicit copyright notices and/or license notices. For full authorship information, see the version control history or https://thanks.rust-lang.org.
Except as otherwise noted (below and/or in individual files), the Rust Standard Library is licensed under the Apache License, Version 2.0 or the MIT license, at your option.
This file describes the copyright and licensing information for the source code within The Rust Project git tree related to the Rust Standard Library, and the third-party dependencies used when building the Rust Standard Library.
The following licenses cover the in-tree source files that were used in this release:
File/Directory: .
License: Apache-2.0 OR MIT
Copyright: The Rust Project Developers (see https://thanks.rust-lang.org)
Exceptions:
File/Directory:
License: Apache-2.0 OR MIT
Copyright: The Ferrocene Developers
File/Directory: library/backtrace
License: Apache-2.0 OR MIT
Copyright: 2014 Alex Crichton
Copyright: The Rust Project Developers (see https://thanks.rust-lang.org)
File/Directory: library/core/src/unicode/unicode_data.rs
License: Unicode-3.0
Copyright: 1991-2024 Unicode, Inc
File/Directory: library/std/src/sync/mpmc
License: Apache-2.0 OR MIT
Copyright: 2019 The Crossbeam Project Developers
Copyright: The Rust Project Developers (see https://thanks.rust-lang.org)
File/Directory: library/std/src/sys/sync/mutex/fuchsia.rs
License: BSD-2-Clause AND (Apache-2.0 OR MIT)
Copyright: 2016 The Fuchsia Authors
Copyright: The Rust Project Developers (see https://thanks.rust-lang.org)
The following licenses cover the out-of-tree crates that were used in the Rust Standard Library in this release: