Console Output

01:38:45 + make -e validate
01:38:45 mkdir bundles
01:38:45 docker build -t "dockerbuildbot/libcompose:b5a87cc751524a68cef3f80dc04e4b2bced914f9" .
01:38:45 Sending build context to Docker daemon  6.594MB

01:38:45 Step 1/14 : FROM golang:1.12.7
01:38:45  ---> be63d15101cb
01:38:45 Step 2/14 : RUN apt-get update &&     apt-get install -y iptables build-essential --no-install-recommends &&     apt-get install -y python-pip &&     pip install virtualenv
01:38:45  ---> Using cache
01:38:45  ---> bf2a9ccd5e3c
01:38:45 Step 3/14 : RUN GO111MODULE=off go get github.com/aktau/github-release &&     GO111MODULE=off go get golang.org/x/tools/cmd/cover &&     GO111MODULE=off go get golang.org/x/lint/golint
01:38:45  ---> Using cache
01:38:45  ---> d50df2fb5a7c
01:38:45 Step 4/14 : ENV DOCKER_VERSIONS 1.9.1 1.10.3 1.13.1 17.03.2 17.06.0
01:38:45  ---> Using cache
01:38:45  ---> 3ecb20e16b69
01:38:45 Step 5/14 : ENV DEFAULT_DOCKER_VERSION 17.03.2
01:38:45  ---> Using cache
01:38:45  ---> 187429748a82
01:38:45 Step 6/14 : RUN set -e; set -x;     for v in $(echo ${DOCKER_VERSIONS} | cut -f1); do         if test "${v}" = "1.9.1" || test "${v}" = "1.10.3"; then            mkdir -p /usr/local/bin/docker-${v}/;            curl https://get.docker.com/builds/Linux/x86_64/docker-${v} -o /usr/local/bin/docker-${v}/docker;            chmod +x /usr/local/bin/docker-${v}/docker;         elif test "${v}" = "1.13.1"; then            curl https://get.docker.com/builds/Linux/x86_64/docker-${v}.tgz -o docker-${v}.tgz;              tar xzf docker-${v}.tgz -C /usr/local/bin/;              mv /usr/local/bin/docker /usr/local/bin/docker-${v};              rm docker-${v}.tgz;         else              curl https://download.docker.com/linux/static/stable/x86_64/docker-${v}-ce.tgz -o docker-${v}.tgz;              tar xzf docker-${v}.tgz -C /usr/local/bin/;              mv /usr/local/bin/docker /usr/local/bin/docker-${v};              rm docker-${v}.tgz;         fi     done
01:38:45  ---> Using cache
01:38:45  ---> 39021e6a2348
01:38:45 Step 7/14 : RUN ln -s /usr/local/bin/docker-${DEFAULT_DOCKER_VERSION} /usr/local/bin/docker
01:38:45  ---> Using cache
01:38:45  ---> 9d1ac3dd1b22
01:38:45 Step 8/14 : WORKDIR /go/src/github.com/docker/libcompose
01:38:45  ---> Using cache
01:38:45  ---> d27596a00b93
01:38:45 Step 9/14 : ENV COMPOSE_COMMIT 1.9.0
01:38:45  ---> Using cache
01:38:45  ---> 4ec66841900d
01:38:45 Step 10/14 : RUN virtualenv venv &&     git clone https://github.com/docker/compose.git venv/compose &&     cd venv/compose &&     git checkout -q "$COMPOSE_COMMIT" &&     ../bin/pip install                -r requirements.txt                -r requirements-dev.txt
01:38:45  ---> Using cache
01:38:45  ---> b2c4309588a4
01:38:45 Step 11/14 : ENV COMPOSE_BINARY /go/src/github.com/docker/libcompose/libcompose-cli
01:38:45  ---> Using cache
01:38:45  ---> 2272b18e2597
01:38:45 Step 12/14 : ENV USER root
01:38:45  ---> Using cache
01:38:45  ---> a971d9e7789f
01:38:45 Step 13/14 : ENTRYPOINT ["hack/dind"]
01:38:45  ---> Using cache
01:38:45  ---> b2d0824576a5
01:38:45 Step 14/14 : COPY . /go/src/github.com/docker/libcompose
01:38:45  ---> Using cache
01:38:45  ---> a2e38983b919
01:38:45 Successfully built a2e38983b919
01:38:45 Successfully tagged dockerbuildbot/libcompose:b5a87cc751524a68cef3f80dc04e4b2bced914f9
01:38:45 docker run --rm -i  --privileged -e DAEMON_VERSION=""default"" -e OS_PLATFORM_ARG -e OS_ARCH_ARG -e DOCKER_TEST_HOST -e TESTDIRS -e TESTFLAGS -e SHOWWARNING -e TESTVERBOSE -v "/home/ubuntu/workspace/libcompose_PR-521/bundles:/go/src/github.com/docker/libcompose/bundles" "dockerbuildbot/libcompose:b5a87cc751524a68cef3f80dc04e4b2bced914f9" ./hack/make.sh validate-dco validate-git-marks validate-gofmt validate-lint validate-vet
01:38:46 ---> Making bundle: validate-dco (in .)
01:38:46 These commits do not have a proper 'Signed-off-by:' marker:
01:38:46  - 7c9076b94817432717582fb78cb1c3a27a035a29
01:38:46 
01:38:46 Please amend each commit to include a properly formatted DCO marker.
01:38:46 
01:38:46 Visit the following URL for information about the Docker DCO:
01:38:46  https://github.com/docker/docker/blob/master/CONTRIBUTING.md#sign-your-work
01:38:46 
01:38:47 Makefile:48: recipe for target 'validate' failed
01:38:47 make: *** [validate] Error 1