14:18:09 + docker pull dockerbuildbot/docker-py:py3-66495870de024e61685a8eac9e13e0f7ca1ddee1 14:18:09 Error response from daemon: manifest for dockerbuildbot/docker-py:py3-66495870de024e61685a8eac9e13e0f7ca1ddee1 not found: manifest unknown: manifest unknown