02:20:26 + docker pull dockerbuildbot/docker-py:py3-3b53a057bcb4685e84bb85c141275c84cfc35280 02:20:26 Error response from daemon: manifest for dockerbuildbot/docker-py:py3-3b53a057bcb4685e84bb85c141275c84cfc35280 not found: manifest unknown: manifest unknown