W0415 20:16:38.997] **************************************************************************
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 20:16:38.997] Args: --job=pull-tekton-pipeline-unit-tests --service-account=/etc/test-account/service-account.json --upload=gs://kubernetes-jenkins/logs --scenario=kubernetes_execute_bazel --clean --job=pull-tekton-pipeline-unit-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 --unit-tests
I0415 20:16:38.998] Bootstrap pull-tekton-pipeline-unit-tests...
I0415 20:16:39.005] Builder: gke-prow-new-pool-25e2ce3a-qjbh
I0415 20:16:39.005] Image: gcr.io/k8s-testimages/kubekins-e2e:v20190729-351ea95-master
I0415 20:16:39.006] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/1250518297644896256
I0415 20:16:39.006] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 20:16:39.967] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 20:16:40.055] process 37 exited with code 0 after 0.0m
I0415 20:16:40.055] Call:  gcloud config get-value account
I0415 20:16:40.931] process 51 exited with code 0 after 0.0m
I0415 20:16:40.932] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 20:16:40.933] Root: /go/src
I0415 20:16:40.934] cd to /go/src
I0415 20:16:40.934] Checkout: /go/src/github.com/tektoncd/pipeline master:25b244609378fefecd38537bb6e8a2f935647c4f,2355:f03695d9c992ba49fa091703fca364931cf14de3 to /go/src/github.com/tektoncd/pipeline
I0415 20:16:40.934] Call:  git init github.com/tektoncd/pipeline
I0415 20:16:40.944] Initialized empty Git repository in /go/src/github.com/tektoncd/pipeline/.git/
I0415 20:16:40.945] process 65 exited with code 0 after 0.0m
I0415 20:16:40.945] Call:  git clean -dfx
I0415 20:16:40.950] process 66 exited with code 0 after 0.0m
I0415 20:16:40.950] Call:  git reset --hard
I0415 20:16:40.960] process 67 exited with code 0 after 0.0m
I0415 20:16:40.960] Call:  git config --local user.name 'K8S Bootstrap'
I0415 20:16:40.969] process 68 exited with code 0 after 0.0m
I0415 20:16:40.970] Call:  git config --local user.email k8s_bootstrap@localhost
I0415 20:16:40.984] process 69 exited with code 0 after 0.0m
I0415 20:16:40.985] Call:  git fetch --quiet --tags https://github.com/tektoncd/pipeline master +refs/pull/2355/head:refs/pr/2355
I0415 20:16:46.929] process 70 exited with code 0 after 0.1m
I0415 20:16:46.933] Call:  git checkout -B test 25b244609378fefecd38537bb6e8a2f935647c4f
W0415 20:16:47.876] Switched to a new branch 'test'
I0415 20:16:47.887] process 82 exited with code 0 after 0.0m
I0415 20:16:47.887] Call:  git show -s --format=format:%ct HEAD
I0415 20:16:47.895] process 83 exited with code 0 after 0.0m
I0415 20:16:47.896] Call:  git merge --no-ff -m 'Merge +refs/pull/2355/head:refs/pr/2355' f03695d9c992ba49fa091703fca364931cf14de3
I0415 20:16:48.513] Auto-merging docs/pipelines.md
I0415 20:16:48.514] CONFLICT (content): Merge conflict in docs/pipelines.md
I0415 20:16:48.514] Automatic merge failed; fix conflicts and then commit the result.
E0415 20:16:48.516] Command failed
I0415 20:16:48.516] process 84 exited with code 1 after 0.0m
E0415 20:16:48.516] 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 20:16:48.518] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 20:16:49.400] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 20:16:49.488] process 85 exited with code 0 after 0.0m
I0415 20:16:49.488] Call:  gcloud config get-value account
I0415 20:16:50.202] process 99 exited with code 0 after 0.0m
I0415 20:16:50.203] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 20:16:50.203] Upload result and artifacts...
I0415 20:16:50.203] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/1250518297644896256
W0415 20:16:50.204] Missing local artifacts : /workspace/_artifacts
W0415 20:16:50.204] metadata path /workspace/_artifacts/metadata.json does not exist
W0415 20:16:50.204] metadata not found or invalid, init with empty metadata
I0415 20:16:50.204] Call:  git rev-parse HEAD
I0415 20:16:50.210] process 113 exited with code 0 after 0.0m
I0415 20:16:50.210] Call:  git rev-parse HEAD
I0415 20:16:50.220] process 114 exited with code 0 after 0.0m
I0415 20:16:50.221] Call:  gsutil stat gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0415 20:16:52.401] process 115 exited with code 0 after 0.0m
I0415 20:16:52.403] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/jobResultsCache.json#1586980906099905'
I0415 20:16:54.550] process 259 exited with code 0 after 0.0m
I0415 20:16:54.561] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586980906099905 cp /tmp/gsutil_BEtOVF gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0415 20:16:57.026] process 405 exited with code 0 after 0.0m
I0415 20:16:57.028] Call:  gsutil stat gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0415 20:16:59.050] process 585 exited with code 0 after 0.0m
I0415 20:16:59.051] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/jobResultsCache.json#1586977692520659'
I0415 20:17:01.268] process 729 exited with code 0 after 0.0m
I0415 20:17:01.270] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586977692520659 cp /tmp/gsutil_lVeLoy gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0415 20:17:03.662] process 875 exited with code 0 after 0.0m
I0415 20:17:03.664] Call:  gsutil -q -h Content-Type:application/json cp /tmp/gsutil_bqEea_ gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/1250518297644896256/finished.json
I0415 20:17:06.028] process 1055 exited with code 0 after 0.0m
I0415 20:17:06.029] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_XOPbte gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/latest-build.txt
I0415 20:17:08.489] process 1235 exited with code 0 after 0.0m
I0415 20:17:08.490] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_BDi0Zt gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/latest-build.txt
I0415 20:17:10.860] process 1415 exited with code 0 after 0.0m