W0415 20:16:25.070] **************************************************************************
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 20:16:25.071] 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:f03695d9c992ba49fa091703fca364931cf14de3 --root=/go/src --service-account=/etc/test-account/service-account.json --upload=gs://tekton-prow/pr-logs -- -- ./test/presubmit-tests.sh --build-tests
I0415 20:16:25.071] Bootstrap pull-tekton-pipeline-build-tests...
I0415 20:16:25.074] Builder: gke-prow-new-pool-25e2ce3a-6nrs
I0415 20:16:25.074] Image: gcr.io/k8s-testimages/kubekins-e2e:v20190729-351ea95-master
I0415 20:16:25.075] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1250518297640701952
I0415 20:16:25.075] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 20:16:25.632] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 20:16:25.686] process 36 exited with code 0 after 0.0m
I0415 20:16:25.686] Call:  gcloud config get-value account
I0415 20:16:26.148] process 50 exited with code 0 after 0.0m
I0415 20:16:26.149] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 20:16:26.149] Root: /go/src
I0415 20:16:26.149] cd to /go/src
I0415 20:16:26.150] Checkout: /go/src/github.com/tektoncd/pipeline master:25b244609378fefecd38537bb6e8a2f935647c4f,2355:f03695d9c992ba49fa091703fca364931cf14de3 to /go/src/github.com/tektoncd/pipeline
I0415 20:16:26.150] Call:  git init github.com/tektoncd/pipeline
I0415 20:16:26.157] Initialized empty Git repository in /go/src/github.com/tektoncd/pipeline/.git/
I0415 20:16:26.157] process 64 exited with code 0 after 0.0m
I0415 20:16:26.157] Call:  git clean -dfx
I0415 20:16:26.161] process 65 exited with code 0 after 0.0m
I0415 20:16:26.161] Call:  git reset --hard
I0415 20:16:26.165] process 66 exited with code 0 after 0.0m
I0415 20:16:26.165] Call:  git config --local user.name 'K8S Bootstrap'
I0415 20:16:26.169] process 67 exited with code 0 after 0.0m
I0415 20:16:26.169] Call:  git config --local user.email k8s_bootstrap@localhost
I0415 20:16:26.173] process 68 exited with code 0 after 0.0m
I0415 20:16:26.173] Call:  git fetch --quiet --tags https://github.com/tektoncd/pipeline master +refs/pull/2355/head:refs/pr/2355
I0415 20:16:30.020] process 69 exited with code 0 after 0.1m
I0415 20:16:30.021] Call:  git checkout -B test 25b244609378fefecd38537bb6e8a2f935647c4f
W0415 20:16:30.661] Switched to a new branch 'test'
I0415 20:16:30.669] process 81 exited with code 0 after 0.0m
I0415 20:16:30.669] Call:  git show -s --format=format:%ct HEAD
I0415 20:16:30.673] process 82 exited with code 0 after 0.0m
I0415 20:16:30.674] Call:  git merge --no-ff -m 'Merge +refs/pull/2355/head:refs/pr/2355' f03695d9c992ba49fa091703fca364931cf14de3
I0415 20:16:31.104] Auto-merging docs/pipelines.md
I0415 20:16:31.105] CONFLICT (content): Merge conflict in docs/pipelines.md
I0415 20:16:31.105] Automatic merge failed; fix conflicts and then commit the result.
E0415 20:16:31.106] Command failed
I0415 20:16:31.106] process 83 exited with code 1 after 0.0m
E0415 20:16:31.106] 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', 'f03695d9c992ba49fa091703fca364931cf14de3']' returned non-zero exit status 1
I0415 20:16:31.107] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 20:16:31.718] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 20:16:31.775] process 84 exited with code 0 after 0.0m
I0415 20:16:31.775] Call:  gcloud config get-value account
I0415 20:16:32.241] process 98 exited with code 0 after 0.0m
I0415 20:16:32.242] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 20:16:32.242] Upload result and artifacts...
I0415 20:16:32.242] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1250518297640701952
W0415 20:16:32.243] Missing local artifacts : /workspace/_artifacts
W0415 20:16:32.243] metadata path /workspace/_artifacts/metadata.json does not exist
W0415 20:16:32.243] metadata not found or invalid, init with empty metadata
I0415 20:16:32.243] Call:  git rev-parse HEAD
I0415 20:16:32.247] process 112 exited with code 0 after 0.0m
I0415 20:16:32.248] Call:  git rev-parse HEAD
I0415 20:16:32.251] process 113 exited with code 0 after 0.0m
I0415 20:16:32.252] Call:  gsutil stat gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0415 20:16:33.569] process 114 exited with code 0 after 0.0m
I0415 20:16:33.570] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json#1586981481424647'
I0415 20:16:34.859] process 258 exited with code 0 after 0.0m
I0415 20:16:34.868] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586981481424647 cp /tmp/gsutil_p22TEA gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0415 20:16:36.607] process 404 exited with code 0 after 0.0m
I0415 20:16:36.608] Call:  gsutil stat gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0415 20:16:37.762] process 584 exited with code 0 after 0.0m
I0415 20:16:37.763] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json#1586977778557915'
I0415 20:16:39.016] process 728 exited with code 0 after 0.0m
I0415 20:16:39.017] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586977778557915 cp /tmp/gsutil_AdURpm gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0415 20:16:40.485] process 874 exited with code 0 after 0.0m
I0415 20:16:40.486] Call:  gsutil -q -h Content-Type:application/json cp /tmp/gsutil_5Y1v2w gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1250518297640701952/finished.json
I0415 20:16:41.863] process 1054 exited with code 0 after 0.0m
I0415 20:16:41.864] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_7zGEfl gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/latest-build.txt
I0415 20:16:43.301] process 1234 exited with code 0 after 0.0m
I0415 20:16:43.302] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_rRJZwp gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/latest-build.txt
I0415 20:16:44.740] process 1414 exited with code 0 after 0.0m