W0415 18:58:54.410] **************************************************************************
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
**************************************************************************
I0415 18:58:54.410] 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:25b244609378fefecd38537bb6e8a2f935647c4f,2355:d1a84416c7dd36492ad024d7e203f1ab7c7a43c6 --root=/go/src --service-account=/etc/test-account/service-account.json --upload=gs://tekton-prow/pr-logs -- -- ./test/presubmit-tests.sh --build-tests
I0415 18:58:54.410] Bootstrap pull-tekton-pipeline-build-tests...
I0415 18:58:54.414] Builder: gke-prow-new-pool-25e2ce3a-6nrs
I0415 18:58:54.414] Image: gcr.io/k8s-testimages/kubekins-e2e:v20190729-351ea95-master
I0415 18:58:54.415] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1250498793569259522
I0415 18:58:54.415] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 18:58:54.979] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 18:58:55.036] process 36 exited with code 0 after 0.0m
I0415 18:58:55.036] Call:  gcloud config get-value account
I0415 18:58:55.496] process 50 exited with code 0 after 0.0m
I0415 18:58:55.497] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 18:58:55.497] Root: /go/src
I0415 18:58:55.497] cd to /go/src
I0415 18:58:55.498] Checkout: /go/src/github.com/tektoncd/pipeline master:25b244609378fefecd38537bb6e8a2f935647c4f,2355:d1a84416c7dd36492ad024d7e203f1ab7c7a43c6 to /go/src/github.com/tektoncd/pipeline
I0415 18:58:55.498] Call:  git init github.com/tektoncd/pipeline
I0415 18:58:55.504] Initialized empty Git repository in /go/src/github.com/tektoncd/pipeline/.git/
I0415 18:58:55.505] process 64 exited with code 0 after 0.0m
I0415 18:58:55.505] Call:  git clean -dfx
I0415 18:58:55.509] process 65 exited with code 0 after 0.0m
I0415 18:58:55.510] Call:  git reset --hard
I0415 18:58:55.513] process 66 exited with code 0 after 0.0m
I0415 18:58:55.514] Call:  git config --local user.name 'K8S Bootstrap'
I0415 18:58:55.517] process 67 exited with code 0 after 0.0m
I0415 18:58:55.517] Call:  git config --local user.email k8s_bootstrap@localhost
I0415 18:58:55.521] process 68 exited with code 0 after 0.0m
I0415 18:58:55.521] Call:  git fetch --quiet --tags https://github.com/tektoncd/pipeline master +refs/pull/2355/head:refs/pr/2355
I0415 18:58:59.252] process 69 exited with code 0 after 0.1m
I0415 18:58:59.252] Call:  git checkout -B test 25b244609378fefecd38537bb6e8a2f935647c4f
W0415 18:58:59.872] Switched to a new branch 'test'
I0415 18:58:59.880] process 81 exited with code 0 after 0.0m
I0415 18:58:59.880] Call:  git show -s --format=format:%ct HEAD
I0415 18:58:59.884] process 82 exited with code 0 after 0.0m
I0415 18:58:59.885] Call:  git merge --no-ff -m 'Merge +refs/pull/2355/head:refs/pr/2355' d1a84416c7dd36492ad024d7e203f1ab7c7a43c6
I0415 18:59:00.309] Auto-merging docs/pipelines.md
I0415 18:59:00.310] CONFLICT (content): Merge conflict in docs/pipelines.md
I0415 18:59:00.310] Automatic merge failed; fix conflicts and then commit the result.
E0415 18:59:00.311] Command failed
I0415 18:59:00.311] process 83 exited with code 1 after 0.0m
E0415 18:59:00.311] 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', 'd1a84416c7dd36492ad024d7e203f1ab7c7a43c6']' returned non-zero exit status 1
I0415 18:59:00.312] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 18:59:00.896] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 18:59:00.949] process 84 exited with code 0 after 0.0m
I0415 18:59:00.950] Call:  gcloud config get-value account
I0415 18:59:01.411] process 98 exited with code 0 after 0.0m
I0415 18:59:01.412] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 18:59:01.412] Upload result and artifacts...
I0415 18:59:01.412] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1250498793569259522
W0415 18:59:01.412] Missing local artifacts : /workspace/_artifacts
W0415 18:59:01.413] metadata path /workspace/_artifacts/metadata.json does not exist
W0415 18:59:01.413] metadata not found or invalid, init with empty metadata
I0415 18:59:01.413] Call:  git rev-parse HEAD
I0415 18:59:01.417] process 112 exited with code 0 after 0.0m
I0415 18:59:01.417] Call:  git rev-parse HEAD
I0415 18:59:01.420] process 113 exited with code 0 after 0.0m
I0415 18:59:01.421] Call:  gsutil stat gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0415 18:59:02.697] process 114 exited with code 0 after 0.0m
I0415 18:59:02.698] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json#1586976566408054'
I0415 18:59:03.946] process 258 exited with code 0 after 0.0m
I0415 18:59:03.954] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586976566408054 cp /tmp/gsutil_PVnBID gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0415 18:59:05.392] process 404 exited with code 0 after 0.0m
I0415 18:59:05.392] Call:  gsutil stat gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0415 18:59:06.602] process 584 exited with code 0 after 0.0m
I0415 18:59:06.603] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json#1586549241016610'
I0415 18:59:07.937] process 728 exited with code 0 after 0.0m
I0415 18:59:07.938] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586549241016610 cp /tmp/gsutil_j7SSHV gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0415 18:59:09.351] process 874 exited with code 0 after 0.0m
I0415 18:59:09.352] Call:  gsutil -q -h Content-Type:application/json cp /tmp/gsutil_HcHHgM gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1250498793569259522/finished.json
I0415 18:59:10.778] process 1054 exited with code 0 after 0.0m
I0415 18:59:10.778] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_wLbuHO gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/latest-build.txt
I0415 18:59:12.276] process 1234 exited with code 0 after 0.0m
I0415 18:59:12.277] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_P4_KTT gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/latest-build.txt
I0415 18:59:13.733] process 1414 exited with code 0 after 0.0m