Comment by speed_spread

As OP demonstrated, Rust compiler performance is not the problem, it's actually quite fast for what it does. Slow builds are rather caused by reliance on popular over-generic crates that use metaprogramming to generate tons of code at compile time. It's not a Rust specific tradeoff but a consequence of the features it offers and the code style it encourages. An alternative, fast building crate ecosystem could be developed with the same tools we have now.

By comparison, Go doesn't have _that_ problem because it just doesn't have metaprogramming. It's easy to stay fast when you're dumb. Go is the Forest Gump of programming languages.