09:45:53 + docker pull dockerbuildbot/docker-py:py2-19171d0e1e81c1070f213a576e9a37ef0df1209d 09:45:53 Error response from daemon: manifest for dockerbuildbot/docker-py:py2-19171d0e1e81c1070f213a576e9a37ef0df1209d not found: manifest unknown: manifest unknown