W0409 21:30:54.809] **************************************************************************
bootstrap.py is deprecated!
test-infra oncall does not support any job still using bootstrap.py.
Please migrate your job to podutils!
https://github.com/kubernetes/test-infra/blob/master/prow/pod-utilities.md
**************************************************************************
I0409 21:30:54.809] Args: --job=pull-tekton-pipeline-build-tests --service-account=/etc/test-account/service-account.json --upload=gs://kubernetes-jenkins/logs --scenario=kubernetes_execute_bazel --clean --job=pull-tekton-pipeline-build-tests --repo=github.com/tektoncd/pipeline=master:e93985283666b36b43e7d4923b301c647c21ee7c,2355:2067056beaaa68a07779e1124bd07db5ea486ae9 --root=/go/src --service-account=/etc/test-account/service-account.json --upload=gs://tekton-prow/pr-logs -- -- ./test/presubmit-tests.sh --build-tests
I0409 21:30:54.809] Bootstrap pull-tekton-pipeline-build-tests...
I0409 21:30:54.816] Builder: gke-prow-new-pool-25e2ce3a-5gb9
I0409 21:30:54.816] Image: gcr.io/k8s-testimages/kubekins-e2e:v20190729-351ea95-master
I0409 21:30:54.816] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1248362720026169344
I0409 21:30:54.816] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0409 21:30:55.450] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0409 21:30:55.525] process 36 exited with code 0 after 0.0m
I0409 21:30:55.526] Call:  gcloud config get-value account
I0409 21:30:56.094] process 50 exited with code 0 after 0.0m
I0409 21:30:56.094] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0409 21:30:56.095] Root: /go/src
I0409 21:30:56.095] cd to /go/src
I0409 21:30:56.095] Checkout: /go/src/github.com/tektoncd/pipeline master:e93985283666b36b43e7d4923b301c647c21ee7c,2355:2067056beaaa68a07779e1124bd07db5ea486ae9 to /go/src/github.com/tektoncd/pipeline
I0409 21:30:56.095] Call:  git init github.com/tektoncd/pipeline
I0409 21:30:56.102] Initialized empty Git repository in /go/src/github.com/tektoncd/pipeline/.git/
I0409 21:30:56.103] process 64 exited with code 0 after 0.0m
I0409 21:30:56.103] Call:  git clean -dfx
I0409 21:30:56.107] process 65 exited with code 0 after 0.0m
I0409 21:30:56.108] Call:  git reset --hard
I0409 21:30:56.112] process 66 exited with code 0 after 0.0m
I0409 21:30:56.112] Call:  git config --local user.name 'K8S Bootstrap'
I0409 21:30:56.116] process 67 exited with code 0 after 0.0m
I0409 21:30:56.117] Call:  git config --local user.email k8s_bootstrap@localhost
I0409 21:30:56.121] process 68 exited with code 0 after 0.0m
I0409 21:30:56.121] Call:  git fetch --quiet --tags https://github.com/tektoncd/pipeline master +refs/pull/2355/head:refs/pr/2355
I0409 21:31:00.011] process 69 exited with code 0 after 0.1m
I0409 21:31:00.012] Call:  git checkout -B test e93985283666b36b43e7d4923b301c647c21ee7c
W0409 21:31:00.825] Switched to a new branch 'test'
I0409 21:31:00.836] process 81 exited with code 0 after 0.0m
I0409 21:31:00.836] Call:  git show -s --format=format:%ct HEAD
I0409 21:31:00.842] process 82 exited with code 0 after 0.0m
I0409 21:31:00.842] Call:  git merge --no-ff -m 'Merge +refs/pull/2355/head:refs/pr/2355' 2067056beaaa68a07779e1124bd07db5ea486ae9
I0409 21:31:01.303] Auto-merging docs/pipelines.md
I0409 21:31:01.303] CONFLICT (content): Merge conflict in docs/pipelines.md
I0409 21:31:01.303] Automatic merge failed; fix conflicts and then commit the result.
E0409 21:31:01.304] Command failed
I0409 21:31:01.305] process 83 exited with code 1 after 0.0m
E0409 21:31:01.305] unexpected error
Traceback (most recent call last):
  File "./test-infra/jenkins/bootstrap.py", line 1096, in bootstrap
  File "./test-infra/jenkins/bootstrap.py", line 981, in setup_root
  File "./test-infra/jenkins/bootstrap.py", line 307, in checkout
  File "./test-infra/jenkins/bootstrap.py", line 1054, in <lambda>
  File "./test-infra/jenkins/bootstrap.py", line 149, in _call
CalledProcessError: Command '['git', 'merge', '--no-ff', '-m', 'Merge +refs/pull/2355/head:refs/pr/2355', '2067056beaaa68a07779e1124bd07db5ea486ae9']' returned non-zero exit status 1
I0409 21:31:01.306] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0409 21:31:01.959] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0409 21:31:02.036] process 84 exited with code 0 after 0.0m
I0409 21:31:02.036] Call:  gcloud config get-value account
I0409 21:31:02.593] process 98 exited with code 0 after 0.0m
I0409 21:31:02.593] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0409 21:31:02.593] Upload result and artifacts...
I0409 21:31:02.594] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1248362720026169344
W0409 21:31:02.594] Missing local artifacts : /workspace/_artifacts
W0409 21:31:02.594] metadata path /workspace/_artifacts/metadata.json does not exist
W0409 21:31:02.594] metadata not found or invalid, init with empty metadata
I0409 21:31:02.594] Call:  git rev-parse HEAD
I0409 21:31:02.599] process 112 exited with code 0 after 0.0m
I0409 21:31:02.600] Call:  git rev-parse HEAD
I0409 21:31:02.604] process 113 exited with code 0 after 0.0m
I0409 21:31:02.604] Call:  gsutil stat gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0409 21:31:04.114] process 114 exited with code 0 after 0.0m
I0409 21:31:04.115] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json#1586462602567881'
I0409 21:31:05.615] process 258 exited with code 0 after 0.0m
I0409 21:31:05.622] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586462602567881 cp /tmp/gsutil_5bpwUG gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0409 21:31:07.289] process 404 exited with code 0 after 0.0m
I0409 21:31:07.290] Call:  gsutil stat gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0409 21:31:08.649] process 584 exited with code 0 after 0.0m
I0409 21:31:08.650] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json#1586382301316014'
I0409 21:31:10.172] process 728 exited with code 0 after 0.0m
I0409 21:31:10.174] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586382301316014 cp /tmp/gsutil_6HEy9X gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0409 21:31:11.908] process 874 exited with code 0 after 0.0m
I0409 21:31:11.909] Call:  gsutil -q -h Content-Type:application/json cp /tmp/gsutil_c_oD3U gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1248362720026169344/finished.json
I0409 21:31:13.650] process 1054 exited with code 0 after 0.0m
I0409 21:31:13.651] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_wtV7ME gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/latest-build.txt
I0409 21:31:15.386] process 1234 exited with code 0 after 0.0m
I0409 21:31:15.387] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_AMtPSs gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/latest-build.txt
I0409 21:31:17.155] process 1414 exited with code 0 after 0.0m