> Use Rust which also rely on GitHub for crates.io
It is a very good idea to get rid of both as far and soon as possible. And, as I wrote at https://news.ycombinator.com/item?id=43793095 in some circles it already became very fashionable to call GitHub "ShitHub" and somewhat look down upon open-source projects that have their central repository on GitHub (i.e. are willing to enslave themselves to Microsoft for some stupid "network effect").