W0410 17:38:35.143] **************************************************************************
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
**************************************************************************
I0410 17:38:35.144] 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:e153c6f2436130e95f6e814b4a792fb2599c57ef,2355:4d7f565ae4a884b3ec58ae164790a59e72767f5a --root=/go/src --service-account=/etc/test-account/service-account.json --upload=gs://tekton-prow/pr-logs -- -- ./test/presubmit-tests.sh --unit-tests
I0410 17:38:35.144] Bootstrap pull-tekton-pipeline-unit-tests...
I0410 17:38:35.149] Builder: gke-prow-new-pool-25e2ce3a-2dlk
I0410 17:38:35.150] Image: gcr.io/k8s-testimages/kubekins-e2e:v20190729-351ea95-master
I0410 17:38:35.150] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/1248666595090239489
I0410 17:38:35.150] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0410 17:38:35.845] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0410 17:38:35.903] process 36 exited with code 0 after 0.0m
I0410 17:38:35.904] Call:  gcloud config get-value account
I0410 17:38:36.451] process 50 exited with code 0 after 0.0m
I0410 17:38:36.452] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0410 17:38:36.452] Root: /go/src
I0410 17:38:36.452] cd to /go/src
I0410 17:38:36.452] Checkout: /go/src/github.com/tektoncd/pipeline master:e153c6f2436130e95f6e814b4a792fb2599c57ef,2355:4d7f565ae4a884b3ec58ae164790a59e72767f5a to /go/src/github.com/tektoncd/pipeline
I0410 17:38:36.452] Call:  git init github.com/tektoncd/pipeline
I0410 17:38:36.459] Initialized empty Git repository in /go/src/github.com/tektoncd/pipeline/.git/
I0410 17:38:36.460] process 64 exited with code 0 after 0.0m
I0410 17:38:36.460] Call:  git clean -dfx
I0410 17:38:36.464] process 65 exited with code 0 after 0.0m
I0410 17:38:36.464] Call:  git reset --hard
I0410 17:38:36.468] process 66 exited with code 0 after 0.0m
I0410 17:38:36.468] Call:  git config --local user.name 'K8S Bootstrap'
I0410 17:38:36.472] process 67 exited with code 0 after 0.0m
I0410 17:38:36.472] Call:  git config --local user.email k8s_bootstrap@localhost
I0410 17:38:36.475] process 68 exited with code 0 after 0.0m
I0410 17:38:36.475] Call:  git fetch --quiet --tags https://github.com/tektoncd/pipeline master +refs/pull/2355/head:refs/pr/2355
I0410 17:38:40.966] process 69 exited with code 0 after 0.1m
I0410 17:38:40.966] Call:  git checkout -B test e153c6f2436130e95f6e814b4a792fb2599c57ef
W0410 17:38:41.666] Switched to a new branch 'test'
I0410 17:38:41.672] process 81 exited with code 0 after 0.0m
I0410 17:38:41.672] Call:  git show -s --format=format:%ct HEAD
I0410 17:38:41.676] process 82 exited with code 0 after 0.0m
I0410 17:38:41.676] Call:  git merge --no-ff -m 'Merge +refs/pull/2355/head:refs/pr/2355' 4d7f565ae4a884b3ec58ae164790a59e72767f5a
I0410 17:38:42.167] Auto-merging docs/pipelines.md
I0410 17:38:42.167] CONFLICT (content): Merge conflict in docs/pipelines.md
I0410 17:38:42.167] Automatic merge failed; fix conflicts and then commit the result.
E0410 17:38:42.168] Command failed
I0410 17:38:42.168] process 83 exited with code 1 after 0.0m
E0410 17:38:42.168] 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', '4d7f565ae4a884b3ec58ae164790a59e72767f5a']' returned non-zero exit status 1
I0410 17:38:42.169] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0410 17:38:42.853] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0410 17:38:42.917] process 84 exited with code 0 after 0.0m
I0410 17:38:42.918] Call:  gcloud config get-value account
I0410 17:38:43.488] process 98 exited with code 0 after 0.0m
I0410 17:38:43.488] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0410 17:38:43.488] Upload result and artifacts...
I0410 17:38:43.488] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/1248666595090239489
W0410 17:38:43.489] Missing local artifacts : /workspace/_artifacts
W0410 17:38:43.489] metadata path /workspace/_artifacts/metadata.json does not exist
W0410 17:38:43.489] metadata not found or invalid, init with empty metadata
I0410 17:38:43.489] Call:  git rev-parse HEAD
I0410 17:38:43.498] process 112 exited with code 0 after 0.0m
I0410 17:38:43.499] Call:  git rev-parse HEAD
I0410 17:38:43.504] process 113 exited with code 0 after 0.0m
I0410 17:38:43.504] Call:  gsutil stat gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0410 17:38:44.991] process 114 exited with code 0 after 0.0m
I0410 17:38:44.992] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/jobResultsCache.json#1586539643060460'
I0410 17:38:46.342] process 258 exited with code 0 after 0.0m
I0410 17:38:46.351] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586539643060460 cp /tmp/gsutil_L6Cnuc gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0410 17:38:48.259] process 404 exited with code 0 after 0.0m
I0410 17:38:48.260] Call:  gsutil stat gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0410 17:38:49.761] process 584 exited with code 0 after 0.0m
I0410 17:38:49.761] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/jobResultsCache.json#1586467872762242'
I0410 17:38:51.345] process 728 exited with code 0 after 0.0m
I0410 17:38:51.346] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586467872762242 cp /tmp/gsutil_H8SRbd gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0410 17:38:53.057] process 874 exited with code 0 after 0.0m
I0410 17:38:53.058] Call:  gsutil -q -h Content-Type:application/json cp /tmp/gsutil_XEKniF gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/1248666595090239489/finished.json
I0410 17:38:54.827] process 1054 exited with code 0 after 0.0m
I0410 17:38:54.828] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_HszN5j gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/latest-build.txt
I0410 17:38:56.602] process 1234 exited with code 0 after 0.0m
I0410 17:38:56.603] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_c_lvAN gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/latest-build.txt
I0410 17:38:58.347] process 1414 exited with code 0 after 0.0m