I am not following this too closely (the time issue seemed pretty severe though), but there are compatibility changes listed in the release notes very frequentl

I am not following this too closely (the time issue seemed pretty severe though), but there are compatibility changes listed in the release notes very frequently: https://github.com/rust-lang/rust/blob/master/RELEASES.md https://github.com/rust-lang/rust/blob/master/RELEASES.md