Rust 1.81.0 released

<a href="https://blog.rust-lang.org/2024/09/05/Rust-1.81.0.html" rel="nofollow">Version
1.81.0</a> of the Rust language has been released.  Changes include the
stabilization of the Error trait in core, some new sort
algorithms, some linting improvements, and more.

https://lwn.net/Articles/989106/