So I guess the `-tabs` and `-tabwidth` options were [removed](https://code.google.com/p/go/source/detail?spec=svn877a41585fc79f6b0faa3a89fc08f47e42108dc2&r=34dac78e0550600f5e2ae49d77a73b65f634450c) and the canonical way is to just not use them. (╯°□°)╯︵ ┻━┻