>And I'd be surprised if upgrading the toolchain wouldn't potentially introduce similar hard to trace issues in rust. It absolutely happens, but less often tha

>And I'd be surprised if upgrading the toolchain wouldn't potentially introduce similar hard to trace issues in rust. It absolutely happens, but less often than you would think. Rust has a tool named "crater" which compiles and executing tests for every package uploaded to crates.io (and some which are just on github). It's not perfect but supposedly it catches quite a lot of bugs.