W0415 19:01:59.186] **************************************************************************
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 19:01:59.194] 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 19:01:59.195] Bootstrap pull-tekton-pipeline-unit-tests...
I0415 19:01:59.206] Builder: gke-prow-new-pool-25e2ce3a-2dlk
I0415 19:01:59.207] Image: gcr.io/k8s-testimages/kubekins-e2e:v20190729-351ea95-master
I0415 19:01:59.207] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/1250499422349955074
I0415 19:01:59.207] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 19:02:00.532] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 19:02:00.688] process 35 exited with code 0 after 0.0m
I0415 19:02:00.690] Call:  gcloud config get-value account
I0415 19:02:01.863] process 49 exited with code 0 after 0.0m
I0415 19:02:01.864] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 19:02:01.864] Root: /go/src
I0415 19:02:01.865] cd to /go/src
I0415 19:02:01.865] Checkout: /go/src/github.com/tektoncd/pipeline master:25b244609378fefecd38537bb6e8a2f935647c4f,2355:f03695d9c992ba49fa091703fca364931cf14de3 to /go/src/github.com/tektoncd/pipeline
I0415 19:02:01.865] Call:  git init github.com/tektoncd/pipeline
I0415 19:02:01.879] Initialized empty Git repository in /go/src/github.com/tektoncd/pipeline/.git/
I0415 19:02:01.880] process 63 exited with code 0 after 0.0m
I0415 19:02:01.881] Call:  git clean -dfx
I0415 19:02:01.887] process 64 exited with code 0 after 0.0m
I0415 19:02:01.888] Call:  git reset --hard
I0415 19:02:01.898] process 65 exited with code 0 after 0.0m
I0415 19:02:01.899] Call:  git config --local user.name 'K8S Bootstrap'
I0415 19:02:01.907] process 66 exited with code 0 after 0.0m
I0415 19:02:01.908] Call:  git config --local user.email k8s_bootstrap@localhost
I0415 19:02:01.916] process 67 exited with code 0 after 0.0m
I0415 19:02:01.916] Call:  git fetch --quiet --tags https://github.com/tektoncd/pipeline master +refs/pull/2355/head:refs/pr/2355
I0415 19:02:12.679] process 68 exited with code 0 after 0.2m
I0415 19:02:12.680] Call:  git checkout -B test 25b244609378fefecd38537bb6e8a2f935647c4f
W0415 19:02:14.224] Switched to a new branch 'test'
I0415 19:02:14.235] process 80 exited with code 0 after 0.0m
I0415 19:02:14.237] Call:  git show -s --format=format:%ct HEAD
I0415 19:02:14.248] process 81 exited with code 0 after 0.0m
I0415 19:02:14.249] Call:  git merge --no-ff -m 'Merge +refs/pull/2355/head:refs/pr/2355' f03695d9c992ba49fa091703fca364931cf14de3
I0415 19:02:14.720] Auto-merging docs/pipelines.md
I0415 19:02:14.722] CONFLICT (content): Merge conflict in docs/pipelines.md
I0415 19:02:14.722] Automatic merge failed; fix conflicts and then commit the result.
E0415 19:02:14.724] Command failed
I0415 19:02:14.724] process 82 exited with code 1 after 0.0m
E0415 19:02:14.724] 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 19:02:14.727] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 19:02:16.532] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 19:02:16.744] process 83 exited with code 0 after 0.0m
I0415 19:02:16.747] Call:  gcloud config get-value account
I0415 19:02:18.495] process 97 exited with code 0 after 0.0m
I0415 19:02:18.496] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 19:02:18.496] Upload result and artifacts...
I0415 19:02:18.496] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/1250499422349955074
W0415 19:02:18.496] Missing local artifacts : /workspace/_artifacts
W0415 19:02:18.496] metadata path /workspace/_artifacts/metadata.json does not exist
W0415 19:02:18.496] metadata not found or invalid, init with empty metadata
I0415 19:02:18.497] Call:  git rev-parse HEAD
I0415 19:02:18.523] process 111 exited with code 0 after 0.0m
I0415 19:02:18.526] Call:  git rev-parse HEAD
I0415 19:02:18.535] process 112 exited with code 0 after 0.0m
I0415 19:02:18.539] Call:  gsutil stat gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0415 19:02:22.093] process 113 exited with code 0 after 0.1m
I0415 19:02:22.094] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/jobResultsCache.json#1586977265250085'
I0415 19:02:25.846] process 257 exited with code 0 after 0.1m
I0415 19:02:25.862] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586977265250085 cp /tmp/gsutil_8qONOL gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0415 19:02:29.269] process 403 exited with code 0 after 0.1m
I0415 19:02:29.270] Call:  gsutil stat gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0415 19:02:32.330] process 583 exited with code 0 after 0.1m
I0415 19:02:32.331] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/jobResultsCache.json#1586977269297748'
I0415 19:02:35.673] process 727 exited with code 0 after 0.1m
I0415 19:02:35.679] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586977269297748 cp /tmp/gsutil_0vXqsU gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/jobResultsCache.json
I0415 19:02:40.158] process 873 exited with code 0 after 0.1m
I0415 19:02:40.160] Call:  gsutil -q -h Content-Type:application/json cp /tmp/gsutil_yPRlRU gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/1250499422349955074/finished.json
I0415 19:02:44.142] process 1053 exited with code 0 after 0.1m
I0415 19:02:44.149] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_vAZ6N1 gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-unit-tests/latest-build.txt
I0415 19:02:47.229] process 1233 exited with code 0 after 0.1m
I0415 19:02:47.231] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_HtBvS5 gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-unit-tests/latest-build.txt
I0415 19:02:51.232] process 1413 exited with code 0 after 0.1m