Accept `DOCKER_HOST` as well for compat with docker tools + logging updates
Accept `DOCKER_HOST` as well for compat with docker tools + logging updates

and removing a stray fmt.Printf

travis-ci/worker,Acidburn0zzz/worker,henrikhodne-abandoned/worker,henrikhodne-abandoned/worker,solarce/worker,Acidburn0zzz/worker,travis-ci/worker,solarce/worker,travis-ci/worker,solarce/worker,henrikhodne-abandoned/worker,Acidburn0zzz/worker