I used Rust at FullStory for years and the pain you describe just didn't really exist, except when I wanted to test out the latest-and-greatest features that we

I used Rust at FullStory for years and the pain you describe just didn't really exist, except when I wanted to test out the latest-and-greatest features that were usually better to wait until they baked on stable. The only real pain we felt was around iOS bitcode and that was mainly Apple's fault because they make the whole process so Byzantine if you aren't using clang.