[Bug 1022983] Consider updating Rawhide to Go 1.2 release candidate

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1022983

--- Comment #13 from Matthew Miller  ---
This is especially fun to debug because go cleans up the temporary directory it
was using to build right after it exits, making it really hard to find where
the error is. Neat.