You should check out zig, its compiler can even be used for c/c++. If you have time to listen to an interview, this developer voices interview on zig explains some of the advantages of this: https://www.youtube.com/watch?v=5_oqWE9otaE&t=3970s
Rust is such an amazing language, it's so safe and clean and beautiful and simple and clear to read and such wow community that are making amazing crates for cargo because cargo is so cool I like it so much so easy to....
What's so bad about the Rust compiler? I know it's slow, but given all the analysis it's doing, it makes sense. And, from my own experience, setting correct optimization levels for dependencies along with a good linker makes incremental builds plenty fast.