W0415 19:01:27.962] **************************************************************************
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 19:01:27.964] Args: --job=pull-tekton-pipeline-integration-tests --service-account=/etc/test-account/service-account.json --upload=gs://kubernetes-jenkins/logs --scenario=kubernetes_execute_bazel --clean --job=pull-tekton-pipeline-integration-tests --repo=github.com/tektoncd/pipeline=master:25b244609378fefecd38537bb6e8a2f935647c4f,2355:90f8c56018a4833be85b59a36726d7ab532c6b15 --root=/go/src --service-account=/etc/test-account/service-account.json --upload=gs://tekton-prow/pr-logs -- -- ./test/presubmit-tests.sh --integration-tests
I0415 19:01:27.965] Bootstrap pull-tekton-pipeline-integration-tests...
I0415 19:01:27.976] Builder: gke-prow-new-pool-25e2ce3a-2dlk
I0415 19:01:27.977] Image: gcr.io/k8s-testimages/kubekins-e2e:v20190729-351ea95-master
I0415 19:01:27.978] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-integration-tests/1250499296768299011
I0415 19:01:27.981] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 19:01:30.132] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 19:01:30.317] process 36 exited with code 0 after 0.0m
I0415 19:01:30.318] Call:  gcloud config get-value account
I0415 19:01:31.774] process 50 exited with code 0 after 0.0m
I0415 19:01:31.777] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 19:01:31.779] Root: /go/src
I0415 19:01:31.784] cd to /go/src
I0415 19:01:31.785] Checkout: /go/src/github.com/tektoncd/pipeline master:25b244609378fefecd38537bb6e8a2f935647c4f,2355:90f8c56018a4833be85b59a36726d7ab532c6b15 to /go/src/github.com/tektoncd/pipeline
I0415 19:01:31.785] Call:  git init github.com/tektoncd/pipeline
I0415 19:01:31.810] Initialized empty Git repository in /go/src/github.com/tektoncd/pipeline/.git/
I0415 19:01:31.811] process 64 exited with code 0 after 0.0m
I0415 19:01:31.812] Call:  git clean -dfx
I0415 19:01:31.829] process 65 exited with code 0 after 0.0m
I0415 19:01:31.834] Call:  git reset --hard
I0415 19:01:31.876] process 66 exited with code 0 after 0.0m
I0415 19:01:31.877] Call:  git config --local user.name 'K8S Bootstrap'
I0415 19:01:31.905] process 67 exited with code 0 after 0.0m
I0415 19:01:31.915] Call:  git config --local user.email k8s_bootstrap@localhost
I0415 19:01:31.939] process 68 exited with code 0 after 0.0m
I0415 19:01:31.940] Call:  git fetch --quiet --tags https://github.com/tektoncd/pipeline master +refs/pull/2355/head:refs/pr/2355
I0415 19:01:41.150] process 69 exited with code 0 after 0.2m
I0415 19:01:41.151] Call:  git checkout -B test 25b244609378fefecd38537bb6e8a2f935647c4f
W0415 19:01:42.372] Switched to a new branch 'test'
I0415 19:01:42.381] process 81 exited with code 0 after 0.0m
I0415 19:01:42.382] Call:  git show -s --format=format:%ct HEAD
I0415 19:01:42.395] process 82 exited with code 0 after 0.0m
I0415 19:01:42.395] Call:  git merge --no-ff -m 'Merge +refs/pull/2355/head:refs/pr/2355' 90f8c56018a4833be85b59a36726d7ab532c6b15
W0415 19:01:42.426] merge: 90f8c56018a4833be85b59a36726d7ab532c6b15 - not something we can merge
E0415 19:01:42.428] Command failed
I0415 19:01:42.428] process 83 exited with code 1 after 0.0m
E0415 19:01:42.428] 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', '90f8c56018a4833be85b59a36726d7ab532c6b15']' returned non-zero exit status 1
I0415 19:01:42.429] Call:  gcloud auth activate-service-account --key-file=/etc/test-account/service-account.json
W0415 19:01:43.725] Activated service account credentials for: [prow-account@tekton-releases.iam.gserviceaccount.com]
I0415 19:01:43.871] process 84 exited with code 0 after 0.0m
I0415 19:01:43.872] Call:  gcloud config get-value account
I0415 19:01:45.606] process 98 exited with code 0 after 0.0m
I0415 19:01:45.609] Will upload results to gs://tekton-prow/pr-logs using prow-account@tekton-releases.iam.gserviceaccount.com
I0415 19:01:45.611] Upload result and artifacts...
I0415 19:01:45.611] Gubernator results at https://gubernator.k8s.io/build/tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-integration-tests/1250499296768299011
W0415 19:01:45.614] Missing local artifacts : /workspace/_artifacts
W0415 19:01:45.617] metadata path /workspace/_artifacts/metadata.json does not exist
W0415 19:01:45.619] metadata not found or invalid, init with empty metadata
I0415 19:01:45.621] Call:  git rev-parse HEAD
I0415 19:01:45.632] process 112 exited with code 0 after 0.0m
I0415 19:01:45.633] Call:  git rev-parse HEAD
I0415 19:01:45.641] process 113 exited with code 0 after 0.0m
I0415 19:01:45.642] Call:  gsutil stat gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-integration-tests/jobResultsCache.json
I0415 19:01:53.492] process 114 exited with code 0 after 0.1m
I0415 19:01:53.494] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-integration-tests/jobResultsCache.json#1586977302437525'
I0415 19:01:56.988] process 258 exited with code 0 after 0.1m
I0415 19:01:57.005] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586977302437525 cp /tmp/gsutil_xv8FjG gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-integration-tests/jobResultsCache.json
I0415 19:02:01.049] process 404 exited with code 0 after 0.1m
I0415 19:02:01.051] Call:  gsutil stat gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-integration-tests/jobResultsCache.json
I0415 19:02:03.805] process 584 exited with code 0 after 0.0m
I0415 19:02:03.806] Call:  gsutil -q cat 'gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-integration-tests/jobResultsCache.json#1586977308085065'
I0415 19:02:07.884] process 728 exited with code 0 after 0.1m
I0415 19:02:07.892] Call:  gsutil -q -h Content-Type:application/json -h x-goog-if-generation-match:1586977308085065 cp /tmp/gsutil_C4I_Fc gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-integration-tests/jobResultsCache.json
I0415 19:02:11.991] process 874 exited with code 0 after 0.1m
I0415 19:02:11.993] Call:  gsutil -q -h Content-Type:application/json cp /tmp/gsutil_jrpWlc gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-integration-tests/1250499296768299011/finished.json
I0415 19:02:15.729] process 1054 exited with code 0 after 0.1m
I0415 19:02:15.730] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_iudKau gs://tekton-prow/pr-logs/directory/pull-tekton-pipeline-integration-tests/latest-build.txt
I0415 19:02:19.679] process 1234 exited with code 0 after 0.1m
I0415 19:02:19.680] Call:  gsutil -q -h Content-Type:text/plain -h 'Cache-Control:private, max-age=0, no-transform' cp /tmp/gsutil_SLNlxY gs://tekton-prow/pr-logs/pull/tektoncd_pipeline/2355/pull-tekton-pipeline-integration-tests/latest-build.txt
I0415 19:02:23.498] process 1414 exited with code 0 after 0.1m