16:02:38 + docker pull dockerbuildbot/docker-py:py2-7075a672450c7fcaa4daccec70fb19abb19030a3 16:02:38 Error response from daemon: manifest for dockerbuildbot/docker-py:py2-7075a672450c7fcaa4daccec70fb19abb19030a3 not found: manifest unknown: manifest unknown