W0410 20:07:02.261] **************************************************************************
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 20:07:02.262] 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:e153c6f2436130e95f6e814b4a792fb2599c57ef,2355:5af1d938f1fcb008d93409fc08a3bb90ca649959 --root=/go/src --service-account=/etc/test-account/service-account.json --upload=gs://tekton-prow/pr-logs -- -- ./test/presubmit-tests.sh --build-tests
I0410 20:07:02.262] Bootstrap pull-tekton-pipeline-build-tests...
I0410 20:07:02.267] Builder: gke-prow-new-pool-25e2ce3a-2dlk
I0410 20:07:02.267] Image: gcr.io/k8s-testimages/kubekins-e2e:v20190729-351ea95-master
I0410 20:07:02.268] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1248703966678618112
I0410 20:07:02.268] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0410 20:07:03.033] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0410 20:07:03.109] process 36 exited with code 0 after 0.0m
I0410 20:07:03.109] Call:  gcloud config get-value account
I0410 20:07:03.772] process 50 exited with code 0 after 0.0m
I0410 20:07:03.773] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0410 20:07:03.773] Root: /go/src
I0410 20:07:03.773] cd to /go/src
I0410 20:07:03.773] Checkout: /go/src/github.com/tektoncd/pipeline master:e153c6f2436130e95f6e814b4a792fb2599c57ef,2355:5af1d938f1fcb008d93409fc08a3bb90ca649959 to /go/src/github.com/tektoncd/pipeline
I0410 20:07:03.774] Call:  git init github.com/tektoncd/pipeline
I0410 20:07:03.780] Initialized empty Git repository in /go/src/github.com/tektoncd/pipeline/.git/
I0410 20:07:03.781] process 64 exited with code 0 after 0.0m
I0410 20:07:03.781] Call:  git clean -dfx
I0410 20:07:03.784] process 65 exited with code 0 after 0.0m
I0410 20:07:03.784] Call:  git reset --hard
I0410 20:07:03.788] process 66 exited with code 0 after 0.0m
I0410 20:07:03.788] Call:  git config --local user.name 'K8S Bootstrap'
I0410 20:07:03.791] process 67 exited with code 0 after 0.0m
I0410 20:07:03.791] Call:  git config --local user.email k8s_bootstrap@localhost
I0410 20:07:03.794] process 68 exited with code 0 after 0.0m
I0410 20:07:03.795] Call:  git fetch --quiet --tags https://github.com/tektoncd/pipeline master +refs/pull/2355/head:refs/pr/2355
I0410 20:07:08.659] process 69 exited with code 0 after 0.1m
I0410 20:07:08.660] Call:  git checkout -B test e153c6f2436130e95f6e814b4a792fb2599c57ef
W0410 20:07:09.333] Switched to a new branch 'test'
I0410 20:07:09.340] process 81 exited with code 0 after 0.0m
I0410 20:07:09.340] Call:  git show -s --format=format:%ct HEAD
I0410 20:07:09.346] process 82 exited with code 0 after 0.0m
I0410 20:07:09.346] Call:  git merge --no-ff -m 'Merge +refs/pull/2355/head:refs/pr/2355' 5af1d938f1fcb008d93409fc08a3bb90ca649959
I0410 20:07:09.734] Auto-merging docs/pipelines.md
I0410 20:07:09.734] CONFLICT (content): Merge conflict in docs/pipelines.md
I0410 20:07:09.734] Automatic merge failed; fix conflicts and then commit the result.
E0410 20:07:09.734] Command failed
I0410 20:07:09.735] process 83 exited with code 1 after 0.0m
E0410 20:07:09.735] 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', '5af1d938f1fcb008d93409fc08a3bb90ca649959']' returned non-zero exit status 1
I0410 20:07:09.736] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0410 20:07:10.464] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0410 20:07:10.536] process 84 exited with code 0 after 0.0m
I0410 20:07:10.536] Call:  gcloud config get-value account
I0410 20:07:11.128] process 98 exited with code 0 after 0.0m
I0410 20:07:11.128] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0410 20:07:11.129] Upload result and artifacts...
I0410 20:07:11.129] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1248703966678618112
W0410 20:07:11.129] Missing local artifacts : /workspace/_artifacts
W0410 20:07:11.129] metadata path /workspace/_artifacts/metadata.json does not exist
W0410 20:07:11.129] metadata not found or invalid, init with empty metadata
I0410 20:07:11.129] Call:  git rev-parse HEAD
I0410 20:07:11.133] process 112 exited with code 0 after 0.0m
I0410 20:07:11.134] Call:  git rev-parse HEAD
I0410 20:07:11.137] process 113 exited with code 0 after 0.0m
I0410 20:07:11.138] Call:  gsutil stat gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0410 20:07:12.966] process 114 exited with code 0 after 0.0m
I0410 20:07:12.969] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json#1586548807521018'
I0410 20:07:14.493] process 258 exited with code 0 after 0.0m
I0410 20:07:14.502] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586548807521018 cp /tmp/gsutil_Uo2Sio gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0410 20:07:16.371] process 404 exited with code 0 after 0.0m
I0410 20:07:16.372] Call:  gsutil stat gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0410 20:07:17.903] process 584 exited with code 0 after 0.0m
I0410 20:07:17.904] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json#1586540324397274'
I0410 20:07:19.546] process 728 exited with code 0 after 0.0m
I0410 20:07:19.547] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586540324397274 cp /tmp/gsutil_h6CfTV gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/jobResultsCache.json
I0410 20:07:21.322] process 874 exited with code 0 after 0.0m
I0410 20:07:21.324] Call:  gsutil -q -h Content-Type:application/json cp /tmp/gsutil_ctQ1rQ gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/1248703966678618112/finished.json
I0410 20:07:22.970] process 1054 exited with code 0 after 0.0m
I0410 20:07:22.972] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_p3PSZi gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-build-tests/latest-build.txt
I0410 20:07:24.483] process 1234 exited with code 0 after 0.0m
I0410 20:07:24.484] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_H47pGq gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-build-tests/latest-build.txt
I0410 20:07:25.928] process 1414 exited with code 0 after 0.0m