Update rust to 1.35
Chnagelog available here
Yeah yeah, I'll do it :P
@JoshStrobl what's wrong with LLVM? Rust requires its patched version of LLVM to work. To be frank, we could force it to use system's LLVM, but without Rust's specific patches that could turn into a sea of woes.
I can reach Rust devs to ask if this is still valid though, my information is old.