16:11:10 + docker pull dockerbuildbot/docker-py:py3-2d219ff739cbb743db5fd6d5e2988cede39a03e8 16:11:10 Error response from daemon: manifest for dockerbuildbot/docker-py:py3-2d219ff739cbb743db5fd6d5e2988cede39a03e8 not found: manifest unknown: manifest unknown