> This work is proprietary software with source-available code.
> To copy, use, distribute, and contribute to this work, you must agree to the terms and conditions of the General License Agreement.
It's pretty clear on the rights granted:
> Please be aware that my work is proprietary software, intended for solo development. For this reason, the agreement requires you to automatically assign me the changes you make to my project's source code.
> However, if you want to create an extension for my crate, you can develop a separate crate that uses my crate's public APIs through Cargo. In this case, you don't have to assign me your work, and you can distribute your project under any permissive license, such as the MIT license.
These quotes are all pulled from the readme, and the last edit was 5 hours before your comment. Where's the lie?