01:57:55 + docker pull dockerbuildbot/docker-py:py2-cbbef4fa5961b99703b0c62a5d928506d4e5812b 01:57:55 Error response from daemon: manifest for dockerbuildbot/docker-py:py2-cbbef4fa5961b99703b0c62a5d928506d4e5812b not found: manifest unknown: manifest unknown