Rust bootstraps via i686?

[Adam Van Ymeren]

Does anyone know why rust bootstraps itself from the i686 version of the
binaries even if you're running on x86_64?

This results in having to download a build a lot of packages to build
rust on x86_64.

If I can make it bootstrap though the current system in use would that
be a useful patch or is there some problem with bootstraping from x86_64
that I'm unaware of?

Thanks!
-Adam