14:18:13 + docker pull dockerbuildbot/docker-py:py3-2bb08b3985fbde794a75fbf321872c9c4d84abf9 14:18:13 Error response from daemon: manifest for dockerbuildbot/docker-py:py3-2bb08b3985fbde794a75fbf321872c9c4d84abf9 not found: manifest unknown: manifest unknown