build: break builds

I want to see the timing information in build logs,
and we can't see the logs for "ok" builds.
So make the build fail everywhere.

Will roll back immediately.

TBR=dvyukov
CC=golang-dev
https://codereview.appspot.com/12058046
go/parser: selectors may be method expressions

R=adonovan
CC=golang-dev
https://codereview.appspot.com/12062043
build: fix build

As promised.

TBR=dvyukov
CC=golang-dev
https://codereview.appspot.com/12063043