title: Golang Appengine Project won't build
body: <p>I have an appengine project using golang that I haven't touched in about a year.  I cannot get it to build now on the machine where it was building before.  I get the following error</p>
  
  <blockquote>
    <p>go-app-builder: Failed parsing input: parser: bad import "syscall" in src/golang.org/x/net/internal/nettest/rlimit_unix.go</p>
  </blockquote>
  
  <p>I am running on OS X if that helps at all.  I am not a Golang expert, by any stretch, and my attempts to find anything even related to this have all turned up nothing.  Any thoughts?</p>