Well to be fair I only do hobby projects in both languages. My Haskell project is a C compiler, and my Rust project is a game engine, both compile in seconds. B

Well to be fair I only do hobby projects in both languages. My Haskell project is a C compiler, and my Rust project is a game engine, both compile in seconds. Both have just a few modules. Most complexity is in the dependencies, which have some compile time consequences but not terrible so far.