Rust

So, as of today by Shaken Fist CI jobs for Debian 10 are failing to install bcrypt, with an error that looks like this: Running setup.py install for bcrypt: started Running setup.py install for bcrypt: finished with status 'error' [ ... snip ... ] running build_rust =============================DEBUG ASSISTANCE============================= If you are seeing a compilation error please try the following steps to successfully install bcrypt: 1) Upgrade to the latest pip and try again. This will fix errors for most users. See: https://pip.pypa.io/en/stable/installing/#upgrading-pip 2) Ensure you have a recent Rust toolchain installed. bcrypt requires rustc >= 1.56.0. Python: 3.7.3 platform: Linux-4.19.0-21-amd64-x86_64-with-debian-10.12 pip: 18.1 setuptools: 65.2.0 setuptools_rust: 1.5.1 rustc: n/a =============================DEBUG ASSISTANCE============================= I'm not really interested in debating why installing a python package requires a rust compiler, that has been dicussed elsewhere. This specific breakage has been caused by bcrypt releasing 4.0.0, which has this in the changelog: "bcrypt is now implemented in Rust. Users building from source will need to have a Rust compiler available. Nothing will change for users downloading wheels." Unfortunately, you can't just install rustc with apt, as it is both quite big (350mb), and too old (version 1.41.1 versus the required 1.56.0 or better). I also couldn't…