23:49:28[2019-09-20T23:49:28.513Z] + docker run --rm -v /home/ubuntu/workspace/moby_PR-39951:/workspace alpine sh -c apk add --no-cache -q git bash && cd /workspace && hack/validate/dco
23:49:31[2019-09-20T23:49:31.038Z] Congratulations! All commits are properly signed with the DCO!