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feat(storage): separate read and hedging thread pools - #16389

Merged
ajayky-os merged 2 commits into
googleapis:mainfrom
ajayky-os:perf/hedging_thread_pool
Sep 3, 2026
Merged

feat(storage): separate read and hedging thread pools#16389
ajayky-os merged 2 commits into
googleapis:mainfrom
ajayky-os:perf/hedging_thread_pool

fix(storage): address review comments on read hedging and thread pool

f0a00e5
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Google Cloud Build / coverage-pr (cloud-cpp-testing-resources) succeeded Sep 3, 2026 in 39m 3s

Summary

Build Information

Trigger coverage-pr
Build 0449ba5c-1cb7-4088-b594-0c572cfc93d1
Start 2026-09-02T23:47:55-07:00
Duration 38m13.905s
Status SUCCESS

Steps

Step Status Duration
kaniko-build SUCCESS 4m26.136s
download-runner-image SUCCESS 1m1.248s
build.sh SUCCESS 32m15.779s
remove-image SUCCESS 4.423s
cancel-in-progress-builds-for-PR SUCCESS 1m1.65s

Details

starting build "0449ba5c-1cb7-4088-b594-0c572cfc93d1"

FETCHSOURCE
From https://github.com/googleapis/google-cloud-cpp
 * branch              f0a00e5742ec738e92b7ce8862d9dd0091b93010 -> FETCH_HEAD
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HEAD is now at f0a00e57 fix(storage): address review comments on read hedging and thread pool
GitCommit:
f0a00e5742ec738e92b7ce8862d9dd0091b93010
BUILD
Starting Step #4 - "cancel-in-progress-builds-for-PR"
Starting Step #0 - "kaniko-build"
Step #4 - "cancel-in-progress-builds-for-PR": Pulling image: gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:2e480d7977829f1534665da1fffd98170f5345d0a6322b369b0fe08a932ce574
Step #0 - "kaniko-build": Pulling image: gcr.io/kaniko-project/executor:v1.24.0-debug@sha256:2562c4fe551399514277ffff7dcca9a3b1628c4ea38cb017d7286dc6ea52f4cd
Step #0 - "kaniko-build": gcr.io/kaniko-project/executor@sha256:2562c4fe551399514277ffff7dcca9a3b1628c4ea38cb017d7286dc6ea52f4cd: Pulling from kaniko-project/executor
Step #4 - "cancel-in-progress-builds-for-PR": gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:2e480d7977829f1534665da1fffd98170f5345d0a6322b369b0fe08a932ce574: Pulling from google.com/cloudsdktool/cloud-sdk
Step #4 - "cancel-in-progress-builds-for-PR": 6310eb16bf42: Pulling fs layer
Step #4 - "cancel-in-progress-builds-for-PR": 488f94d8fb5f: Pulling fs layer
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Step #4 - "cancel-in-progress-builds-for-PR": 6310eb16bf42: Verifying Checksum
Step #4 - "cancel-in-progress-builds-for-PR": 6310eb16bf42: Download complete
Step #0 - "kaniko-build": 9aeeda79b717: Verifying Checksum
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Step #4 - "cancel-in-progress-builds-for-PR": 60070b3b968e: Verifying Checksum
Step #4 - "cancel-in-progress-builds-for-PR": 60070b3b968e: Download complete
Step #4 - "cancel-in-progress-builds-for-PR": 6310eb16bf42: Pull complete
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Step #0 - "kaniko-build": Digest: sha256:2562c4fe551399514277ffff7dcca9a3b1628c4ea38cb017d7286dc6ea52f4cd
Step #0 - "kaniko-build": Status: Downloaded newer image for gcr.io/kaniko-project/executor@sha256:2562c4fe551399514277ffff7dcca9a3b1628c4ea38cb017d7286dc6ea52f4cd
Step #0 - "kaniko-build": gcr.io/kaniko-project/executor:v1.24.0-debug@sha256:2562c4fe551399514277ffff7dcca9a3b1628c4ea38cb017d7286dc6ea52f4cd
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Using dockerignore file: /workspace/ci/.dockerignore"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Retrieving image manifest fedora:40"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Retrieving image fedora:40 from registry index.docker.io"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Retrieving image manifest fedora:40"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Returning cached image manifest"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Built cross stage deps: map[]"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Retrieving image manifest fedora:40"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Returning cached image manifest"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Retrieving image manifest fedora:40"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Returning cached image manifest"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Executing 0 build triggers"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Building stage 'fedora:40' [idx: '0', base-idx: '-1']"
Step #0 - "kaniko-build": time="2026-09-03T06:48:17Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:34931edfd93bb824614aba9c723b34ef8db9a46a57dc352d0d8fd52896be0fb2..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:18Z" level=info msg="Using caching version of cmd: RUN dnf install -y clang diffutils findutils gcc-c++ git jq lcov libcxx-devel         libcxxabi-devel libasan libubsan libtsan llvm patch python python3         python-pip tar unzip w3m wget which zip zlib-devel"
Step #0 - "kaniko-build": time="2026-09-03T06:48:18Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:5c06271b174395c7aaa648efa4a014359b480ceeffbd5b02612a719079db39fe..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:18Z" level=info msg="Using caching version of cmd: RUN dnf makecache && dnf install -y python3-devel"
Step #0 - "kaniko-build": time="2026-09-03T06:48:18Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:24994684b2c5b5b76a2f7b99cefbf726f05835d0ee77b1a7159d90be4ea3934e..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:18Z" level=info msg="Using caching version of cmd: RUN pip3 install --upgrade pip"
Step #0 - "kaniko-build": time="2026-09-03T06:48:18Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:6af306fe29573ca00b915f75404759a5b32170ebe1959be491bc0ee19e89e72b..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:18Z" level=info msg="Using caching version of cmd: RUN pip3 install setuptools wheel"
Step #0 - "kaniko-build": time="2026-09-03T06:48:18Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:b4dc53fdbf870eea2e48651c01453f76bacd8a48da20fc6869b2cd1bf754d631..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Using caching version of cmd: RUN dnf makecache && dnf install -y java-latest-openjdk-devel"
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:ef6c64df8688ff309fbb5665f29bfa6f88c12281bdf87a447b62cd297e5f52f8..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Using caching version of cmd: RUN echo 'root:cloudcxx' | chpasswd"
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:fbe000c8e80dd45f318baf402949b617263436e40c1064b001fa94f5895ab873..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Using caching version of cmd: RUN dnf makecache && dnf install -y python3.10"
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:17c1d7dae57b5da1708f11dfc71d1637f23d2f197c790087882d3104567cee23..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Using caching version of cmd: RUN /var/tmp/ci/install-cloud-sdk.sh"
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:8d0b3f88e82778fc9f8dad13f2e3b5d44f2a1c249b34171d9f0eb0a0875bf15c..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Using caching version of cmd: RUN curl -o /usr/bin/bazelisk -sSL \"https://github.com/bazelbuild/bazelisk/releases/download/v1.28.1/bazelisk-linux-${ARCH}\" &&     chmod +x /usr/bin/bazelisk &&     ln -s /usr/bin/bazelisk /usr/bin/bazel"
Step #0 - "kaniko-build": time="2026-09-03T06:48:19Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:a70b0ca34659fc70526f8fab4f676e8c6f4de18099aaff7818a59e1c5ac34426..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:20Z" level=info msg="Using caching version of cmd: RUN wget -O go.tgz https://go.dev/dl/go1.25.4.linux-amd64.tar.gz"
Step #0 - "kaniko-build": time="2026-09-03T06:48:20Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:39ce4bd71ee2d154840fbb5bf2731021b93e5445822c5204b8f0eb9852192d47..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:20Z" level=info msg="Using caching version of cmd: RUN tar -C /usr/local/ -xzf go.tgz"
Step #0 - "kaniko-build": time="2026-09-03T06:48:20Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:a0bbcdb494f118ca6399af3a90ee90af95c3fda499c55771d29d41f5117510e1..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:20Z" level=info msg="Using caching version of cmd: RUN go version"
Step #0 - "kaniko-build": time="2026-09-03T06:48:20Z" level=info msg="Checking for cached layer us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel/cache:3642b0feec738437872da4868d6cad1bcc39a6f25f989a4bada5b3eb8e078549..."
Step #0 - "kaniko-build": time="2026-09-03T06:48:20Z" level=info msg="Using caching version of cmd: RUN curl -fsSL https://github.com/googleapis/cloud-bigtable-clients-test/archive/v0.0.4.tar.gz |     tar -xzf - --strip-components=1"
Step #0 - "kaniko-build": time="2026-09-03T06:48:20Z" level=info msg="Unpacking rootfs as cmd COPY . /var/tmp/ci requires it."
Step #4 - "cancel-in-progress-builds-for-PR": a257e756f7a6: Verifying Checksum
Step #4 - "cancel-in-progress-builds-for-PR": a257e756f7a6: Download complete
Step #0 - "kaniko-build": time="2026-09-03T06:48:24Z" level=info msg="ARG NCPU=4"
Step #0 - "kaniko-build": time="2026-09-03T06:48:24Z" level=info msg="No files changed in this command, skipping snapshotting."
Step #0 - "kaniko-build": time="2026-09-03T06:48:24Z" level=info msg="ARG ARCH=amd64"
Step #0 - "kaniko-build": time="2026-09-03T06:48:24Z" level=info msg="No files changed in this command, skipping snapshotting."
Step #0 - "kaniko-build": time="2026-09-03T06:48:24Z" level=info msg="RUN dnf install -y clang diffutils findutils gcc-c++ git jq lcov libcxx-devel         libcxxabi-devel libasan libubsan libtsan llvm patch python python3         python-pip tar unzip w3m wget which zip zlib-devel"
Step #0 - "kaniko-build": time="2026-09-03T06:48:24Z" level=info msg="Found cached layer, extracting to filesystem"
Step #4 - "cancel-in-progress-builds-for-PR": a257e756f7a6: Pull complete
Step #4 - "cancel-in-progress-builds-for-PR": 60070b3b968e: Pull complete
Step #4 - "cancel-in-progress-builds-for-PR": 4d1f9d77cfa0: Pull complete
Step #4 - "cancel-in-progress-builds-for-PR": 301958339266: Pull complete
Step #4 - "cancel-in-progress-builds-for-PR": Digest: sha256:2e480d7977829f1534665da1fffd98170f5345d0a6322b369b0fe08a932ce574
Step #4 - "cancel-in-progress-builds-for-PR": Status: Downloaded newer image for gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:2e480d7977829f1534665da1fffd98170f5345d0a6322b369b0fe08a932ce574
Step #4 - "cancel-in-progress-builds-for-PR": gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:2e480d7977829f1534665da1fffd98170f5345d0a6322b369b0fe08a932ce574
Step #4 - "cancel-in-progress-builds-for-PR": + test -z 16389
Step #4 - "cancel-in-progress-builds-for-PR": ++ gcloud builds describe --region us-east1 --format 'value(create_time)' 0449ba5c-1cb7-4088-b594-0c572cfc93d1
Step #4 - "cancel-in-progress-builds-for-PR": + ctime=2026-09-03T06:47:08.975191Z
Step #4 - "cancel-in-progress-builds-for-PR": + query=tags=pr
Step #4 - "cancel-in-progress-builds-for-PR": + query+=' AND tags=16389'
Step #4 - "cancel-in-progress-builds-for-PR": + query+=' AND substitutions.COMMIT_SHA != f0a00e5742ec738e92b7ce8862d9dd0091b93010'
Step #4 - "cancel-in-progress-builds-for-PR": + query+=' AND create_time < 2026-09-03T06:47:08.975191Z'
Step #4 - "cancel-in-progress-builds-for-PR": + gcloud builds list --region us-east1 --ongoing '--format=value(id)' --filter 'tags=pr AND tags=16389 AND substitutions.COMMIT_SHA != f0a00e5742ec738e92b7ce8862d9dd0091b93010 AND create_time < 2026-09-03T06:47:08.975191Z'
Step #4 - "cancel-in-progress-builds-for-PR": + xargs -r -t gcloud builds cancel --region us-east1
Step #4 - "cancel-in-progress-builds-for-PR": WARNING: The following filter keys were not present in any resource : create_time, substitutions.COMMIT_SHA, tags
Finished Step #4 - "cancel-in-progress-builds-for-PR"
Step #0 - "kaniko-build": time="2026-09-03T06:49:36Z" level=info msg="RUN dnf makecache && dnf install -y python3-devel"
Step #0 - "kaniko-build": time="2026-09-03T06:49:36Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:49:39Z" level=info msg="RUN pip3 install --upgrade pip"
Step #0 - "kaniko-build": time="2026-09-03T06:49:39Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:49:40Z" level=info msg="RUN pip3 install setuptools wheel"
Step #0 - "kaniko-build": time="2026-09-03T06:49:40Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:49:41Z" level=info msg="RUN dnf makecache && dnf install -y java-latest-openjdk-devel"
Step #0 - "kaniko-build": time="2026-09-03T06:49:41Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="RUN echo 'root:cloudcxx' | chpasswd"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="WORKDIR /var/tmp/build"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Cmd: workdir"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Changed working directory to /var/tmp/build"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Creating directory /var/tmp/build with uid -1 and gid -1"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Taking snapshot of files..."
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="COPY . /var/tmp/ci"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Taking snapshot of files..."
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="WORKDIR /var/tmp/downloads"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Cmd: workdir"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Changed working directory to /var/tmp/downloads"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Creating directory /var/tmp/downloads with uid -1 and gid -1"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Taking snapshot of files..."
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="RUN dnf makecache && dnf install -y python3.10"
Step #0 - "kaniko-build": time="2026-09-03T06:50:25Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:50:31Z" level=info msg="ENV CLOUDSDK_PYTHON=python3.10"
Step #0 - "kaniko-build": time="2026-09-03T06:50:31Z" level=info msg="No files changed in this command, skipping snapshotting."
Step #0 - "kaniko-build": time="2026-09-03T06:50:31Z" level=info msg="RUN /var/tmp/ci/install-cloud-sdk.sh"
Step #0 - "kaniko-build": time="2026-09-03T06:50:31Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:52:14Z" level=info msg="ENV CLOUD_SDK_LOCATION=/usr/local/google-cloud-sdk"
Step #0 - "kaniko-build": time="2026-09-03T06:52:14Z" level=info msg="No files changed in this command, skipping snapshotting."
Step #0 - "kaniko-build": time="2026-09-03T06:52:14Z" level=info msg="ENV PATH=${CLOUD_SDK_LOCATION}/bin:${PATH}"
Step #0 - "kaniko-build": time="2026-09-03T06:52:14Z" level=info msg="No files changed in this command, skipping snapshotting."
Step #0 - "kaniko-build": time="2026-09-03T06:52:14Z" level=info msg="RUN curl -o /usr/bin/bazelisk -sSL \"https://github.com/bazelbuild/bazelisk/releases/download/v1.28.1/bazelisk-linux-${ARCH}\" &&     chmod +x /usr/bin/bazelisk &&     ln -s /usr/bin/bazelisk /usr/bin/bazel"
Step #0 - "kaniko-build": time="2026-09-03T06:52:14Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:52:15Z" level=info msg="WORKDIR /var/tmp/downloads"
Step #0 - "kaniko-build": time="2026-09-03T06:52:15Z" level=info msg="Cmd: workdir"
Step #0 - "kaniko-build": time="2026-09-03T06:52:15Z" level=info msg="Changed working directory to /var/tmp/downloads"
Step #0 - "kaniko-build": time="2026-09-03T06:52:15Z" level=info msg="No files changed in this command, skipping snapshotting."
Step #0 - "kaniko-build": time="2026-09-03T06:52:15Z" level=info msg="RUN wget -O go.tgz https://go.dev/dl/go1.25.4.linux-amd64.tar.gz"
Step #0 - "kaniko-build": time="2026-09-03T06:52:15Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:52:17Z" level=info msg="RUN tar -C /usr/local/ -xzf go.tgz"
Step #0 - "kaniko-build": time="2026-09-03T06:52:17Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="ENV GO_LOCATION=/usr/local/go"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="No files changed in this command, skipping snapshotting."
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="ENV PATH=${GO_LOCATION}/bin:${PATH}"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="No files changed in this command, skipping snapshotting."
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="RUN go version"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="WORKDIR /var/tmp/downloads/cloud-bigtable-clients-test"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="Cmd: workdir"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="Changed working directory to /var/tmp/downloads/cloud-bigtable-clients-test"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="Creating directory /var/tmp/downloads/cloud-bigtable-clients-test with uid -1 and gid -1"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="Taking snapshot of files..."
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="RUN curl -fsSL https://github.com/googleapis/cloud-bigtable-clients-test/archive/v0.0.4.tar.gz |     tar -xzf - --strip-components=1"
Step #0 - "kaniko-build": time="2026-09-03T06:52:32Z" level=info msg="Found cached layer, extracting to filesystem"
Step #0 - "kaniko-build": time="2026-09-03T06:52:33Z" level=info msg="Pushing image to us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel:0449ba5c-1cb7-4088-b594-0c572cfc93d1"
Step #0 - "kaniko-build": time="2026-09-03T06:52:33Z" level=info msg="Pushed us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel@sha256:d7826c0ccdb1e9d3f632c94dc79bfc972139a8909b06fbe61643cf70a8c747fa"
Finished Step #0 - "kaniko-build"
Starting Step #1 - "download-runner-image"
Step #1 - "download-runner-image": Pulling image: us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel:0449ba5c-1cb7-4088-b594-0c572cfc93d1
Step #1 - "download-runner-image": 0449ba5c-1cb7-4088-b594-0c572cfc93d1: Pulling from cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel
Step #1 - "download-runner-image": fc4518b6c5f9: Pulling fs layer
Step #1 - "download-runner-image": 68c6dc6150bb: Pulling fs layer
Step #1 - "download-runner-image": 7419fd93bd01: Pulling fs layer
Step #1 - "download-runner-image": 104b99a52c37: Pulling fs layer
Step #1 - "download-runner-image": 1bffb3045951: Pulling fs layer
Step #1 - "download-runner-image": 109707ad506a: Pulling fs layer
Step #1 - "download-runner-image": 8e62865cbcc5: Pulling fs layer
Step #1 - "download-runner-image": b899463f9484: Pulling fs layer
Step #1 - "download-runner-image": 0326f171d96f: Pulling fs layer
Step #1 - "download-runner-image": 35e20e9eb1ec: Pulling fs layer
Step #1 - "download-runner-image": 645009554196: Pulling fs layer
Step #1 - "download-runner-image": 39568a1a57be: Pulling fs layer
Step #1 - "download-runner-image": da2dd48093dd: Pulling fs layer
Step #1 - "download-runner-image": 750efe406f55: Pulling fs layer
Step #1 - "download-runner-image": e24c2c63b151: Pulling fs layer
Step #1 - "download-runner-image": d95f6273ed40: Pulling fs layer
Step #1 - "download-runner-image": 0bd507308442: Pulling fs layer
Step #1 - "download-runner-image": 967c07a206cb: Pulling fs layer
Step #1 - "download-runner-image": 0326f171d96f: Waiting
Step #1 - "download-runner-image": 35e20e9eb1ec: Waiting
Step #1 - "download-runner-image": 645009554196: Waiting
Step #1 - "download-runner-image": 39568a1a57be: Waiting
Step #1 - "download-runner-image": da2dd48093dd: Waiting
Step #1 - "download-runner-image": 750efe406f55: Waiting
Step #1 - "download-runner-image": e24c2c63b151: Waiting
Step #1 - "download-runner-image": d95f6273ed40: Waiting
Step #1 - "download-runner-image": 0bd507308442: Waiting
Step #1 - "download-runner-image": 967c07a206cb: Waiting
Step #1 - "download-runner-image": 8e62865cbcc5: Waiting
Step #1 - "download-runner-image": b899463f9484: Waiting
Step #1 - "download-runner-image": 1bffb3045951: Verifying Checksum
Step #1 - "download-runner-image": 1bffb3045951: Download complete
Step #1 - "download-runner-image": 104b99a52c37: Verifying Checksum
Step #1 - "download-runner-image": 104b99a52c37: Download complete
Step #1 - "download-runner-image": 8e62865cbcc5: Verifying Checksum
Step #1 - "download-runner-image": 8e62865cbcc5: Download complete
Step #1 - "download-runner-image": b899463f9484: Verifying Checksum
Step #1 - "download-runner-image": b899463f9484: Download complete
Step #1 - "download-runner-image": 0326f171d96f: Download complete
Step #1 - "download-runner-image": 35e20e9eb1ec: Verifying Checksum
Step #1 - "download-runner-image": 35e20e9eb1ec: Download complete
Step #1 - "download-runner-image": 7419fd93bd01: Verifying Checksum
Step #1 - "download-runner-image": 7419fd93bd01: Download complete
Step #1 - "download-runner-image": da2dd48093dd: Verifying Checksum
Step #1 - "download-runner-image": da2dd48093dd: Download complete
Step #1 - "download-runner-image": 645009554196: Verifying Checksum
Step #1 - "download-runner-image": 645009554196: Download complete
Step #1 - "download-runner-image": 750efe406f55: Verifying Checksum
Step #1 - "download-runner-image": 750efe406f55: Download complete
Step #1 - "download-runner-image": d95f6273ed40: Verifying Checksum
Step #1 - "download-runner-image": d95f6273ed40: Download complete
Step #1 - "download-runner-image": 0bd507308442: Download complete
Step #1 - "download-runner-image": 967c07a206cb: Verifying Checksum
Step #1 - "download-runner-image": 967c07a206cb: Download complete
Step #1 - "download-runner-image": e24c2c63b151: Download complete
Step #1 - "download-runner-image": fc4518b6c5f9: Verifying Checksum
Step #1 - "download-runner-image": fc4518b6c5f9: Download complete

...
[Logs truncated due to log size limitations. For full logs, see https://storage.cloud.google.com/cloud-cpp-community-publiclogs/logs/google-cloud-cpp/16389/f0a00e5742ec738e92b7ce8862d9dd0091b93010/fedora-latest-bazel-coverage-__default__/log-0449ba5c-1cb7-4088-b594-0c572cfc93d1.txt.]
...
c/google/protobuf/generated_message_tctable_lite.cc [for tool]; 15s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,905 / 2,384] Compiling src/google/protobuf/generated_message_tctable_lite.cc [for tool]; 17s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [1,911 / 2,384] Compiling upb_generator/c/generator.cc [for tool]; 12s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,917 / 2,384] Compiling upb_generator/c/generator.cc [for tool]; 13s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,923 / 2,384] Compiling upb_generator/c/generator.cc [for tool]; 15s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,929 / 2,384] Compiling src/google/protobuf/generated_message_reflection.cc; 15s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,935 / 2,384] Compiling src/google/protobuf/generated_message_reflection.cc; 17s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [1,938 / 2,384] Compiling google/cloud/internal/oauth2_external_account_credentials.cc; 14s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [1,945 / 2,384] Compiling src/google/protobuf/compiler/parser.cc [for tool]; 15s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,952 / 2,384] Compiling src/google/protobuf/compiler/cpp/helpers.cc [for tool]; 15s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,956 / 2,384] Compiling src/google/protobuf/compiler/cpp/helpers.cc [for tool]; 17s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,957 / 2,384] Compiling src/google/protobuf/compiler/cpp/helpers.cc [for tool]; 18s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,961 / 2,384] Compiling src/google/protobuf/compiler/cpp/helpers.cc [for tool]; 19s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,963 / 2,384] Compiling src/google/protobuf/compiler/cpp/helpers.cc [for tool]; 20s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [1,968 / 2,384] Compiling src/google/protobuf/text_format.cc [for tool]; 16s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,972 / 2,384] Compiling src/google/protobuf/text_format.cc [for tool]; 17s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,978 / 2,384] Compiling src/google/protobuf/message.cc; 12s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,982 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 13s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,983 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 14s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,983 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 15s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [1,987 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 17s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,989 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 18s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [1,993 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 19s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,001 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 20s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,006 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 21s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [2,010 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 22s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,012 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 23s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,016 / 2,384] Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]; 25s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,021 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 22s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,023 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 24s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [2,026 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 25s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,029 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 26s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,033 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 27s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,038 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 28s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,044 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 30s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [2,048 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 31s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,050 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 32s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,052 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 34s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [2,055 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 35s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,056 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 37s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [2,060 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 38s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [2,062 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 39s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,066 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 40s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,070 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 41s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,074 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 43s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,077 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 44s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [2,081 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 45s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,085 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 46s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,088 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 48s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [2,093 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 49s linux-sandbox ... (32 actions running)
Step #2 - "build.sh": [2,095 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 50s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,098 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 51s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,103 / 2,384] Compiling src/google/protobuf/descriptor.cc [for tool]; 52s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,109 / 2,384] Compiling src/google/protobuf/compiler/cpp/file.cc [for tool]; 16s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,115 / 2,384] Compiling src/google/protobuf/compiler/cpp/file.cc [for tool]; 17s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,121 / 2,384] Compiling src/google/protobuf/compiler/cpp/file.cc [for tool]; 18s linux-sandbox ... (32 actions, 31 running)
Step #2 - "build.sh": [2,128 / 2,384] Compiling src/google/protobuf/compiler/cpp/file.cc [for tool]; 19s linux-sandbox ... (32 actions, 31 running)
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Step #2 - "build.sh": |   Merging coverage data into /var/tmp/merged-coverage.lcov   |
Step #2 - "build.sh": ----------------------------------------------------------------
Step #2 - "build.sh": 2026-09-03T07:11:02Z (+1043s): Found 942 coverage.dat files
Step #2 - "build.sh": lcov: WARNING: ('negative') "/h/.cache/bazel/_bazel_root/eab0d61a99b6696edb3d2aff87b585e8/execroot/_main/bazel-out/k8-fastbuild/testlogs/google/cloud/pubsub/internal_subscription_concurrency_control_test/coverage.dat":12164: Unexpected negative line hit count '-1' for "google/cloud/internal/opentelemetry_context.h":113
Step #2 - "build.sh": lcov: WARNING: ('negative') "/h/.cache/bazel/_bazel_root/eab0d61a99b6696edb3d2aff87b585e8/execroot/_main/bazel-out/k8-fastbuild/testlogs/google/cloud/completion_queue_test/coverage.dat":11635: Unexpected negative line hit count '-58' for "google/cloud/internal/opentelemetry_context.h":113
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Step #2 - "build.sh": lcov: WARNING: ('negative') "/h/.cache/bazel/_bazel_root/eab0d61a99b6696edb3d2aff87b585e8/execroot/_main/bazel-out/k8-fastbuild/testlogs/google/cloud/completion_queue_test/coverage.dat":15053: Unexpected negative line hit count '-2' for "google/cloud/status.cc":66
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Step #2 - "build.sh": lcov: WARNING: ('negative') "/h/.cache/bazel/_bazel_root/eab0d61a99b6696edb3d2aff87b585e8/execroot/_main/bazel-out/k8-fastbuild/testlogs/google/cloud/bigtable/tests/table_admin_integration_test-dynamic-pool/coverage.dat":59211: Unexpected negative line hit count '-2' for "google/cloud/internal/default_completion_queue_impl.cc":356
Step #2 - "build.sh": 	(use "lcov --ignore-errors negative,negative ..." to suppress this warning)
Step #2 - "build.sh": lcov: WARNING: ('negative') "/h/.cache/bazel/_bazel_root/eab0d61a99b6696edb3d2aff87b585e8/execroot/_main/bazel-out/k8-fastbuild/testlogs/google/cloud/bigtable/tests/table_admin_integration_test-dynamic-pool/coverage.dat":59212: Unexpected negative line hit count '-2' for "google/cloud/internal/default_completion_queue_impl.cc":357
Step #2 - "build.sh": 	(use "lcov --ignore-errors negative,negative ..." to suppress this warning)
Step #2 - "build.sh": lcov: WARNING: ('negative') "/h/.cache/bazel/_bazel_root/eab0d61a99b6696edb3d2aff87b585e8/execroot/_main/bazel-out/k8-fastbuild/testlogs/google/cloud/bigtable/tests/data_integration_test-default/coverage.dat":84671: Unexpected negative line hit count '-1' for "google/cloud/internal/opentelemetry_context.h":113
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Step #2 - "build.sh": lcov: WARNING: ('negative') "/h/.cache/bazel/_bazel_root/eab0d61a99b6696edb3d2aff87b585e8/execroot/_main/bazel-out/k8-fastbuild/testlogs/google/cloud/bigtable/tests/data_integration_test-dynamic-pool/coverage.dat":63374: Unexpected negative line hit count '-4' for "google/cloud/internal/default_completion_queue_impl.cc":356
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Step #2 - "build.sh": lcov: WARNING: ('negative') "/h/.cache/bazel/_bazel_root/eab0d61a99b6696edb3d2aff87b585e8/execroot/_main/bazel-out/k8-fastbuild/testlogs/google/cloud/bigtable/benchmarks/bigtable_benchmark_test/coverage.dat":30251: Unexpected negative line hit count '-23' for "google/cloud/bigtable/internal/bulk_mutator.cc":109
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Step #2 - "build.sh": ==> 🕑 merging done in 890.003 seconds
Step #2 - "build.sh": -rw-r--r-- 1 root root 96M Sep  3 07:25 /var/tmp/merged-coverage.lcov
Step #2 - "build.sh": 
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Step #2 - "build.sh": -------------------------------------------------------------
Step #2 - "build.sh": |   Uploading /var/tmp/merged-coverage.lcov to codecov.io   |
Step #2 - "build.sh": -------------------------------------------------------------
Step #2 - "build.sh": 2026-09-03T07:25:50Z (+1931s): Flags: --filter=gcov --file=/var/tmp/merged-coverage.lcov --branch=perf/hedging_thread_pool --sha=f0a00e5742ec738e92b7ce8862d9dd0091b93010 --pr=16389 --build=0449ba5c-1cb7-4088-b594-0c572cfc93d1 --verbose
Step #2 - "build.sh": /tmp/codecov.DfokyPHpUN: OK
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Step #2 - "build.sh": [2026-09-03T07:25:51.343Z] ['info'] 
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Step #2 - "build.sh": 
Step #2 - "build.sh":   Codecov report uploader 0.6.3
Step #2 - "build.sh": [2026-09-03T07:25:51.350Z] ['info'] => Project root located at: /workspace
Step #2 - "build.sh": [2026-09-03T07:25:51.356Z] ['info'] ->  Token found by arguments
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Step #2 - "build.sh": [2026-09-03T07:25:51.395Z] ['verbose'] coveragepy is not installed
Step #2 - "build.sh": [2026-09-03T07:25:51.395Z] ['info'] Searching for coverage files...
Step #2 - "build.sh": [2026-09-03T07:25:51.611Z] ['verbose'] Preparing to clean the following coverage paths: /var/tmp/merged-coverage.lcov
Step #2 - "build.sh": [2026-09-03T07:25:51.612Z] ['info'] => Found 1 possible coverage files:
Step #2 - "build.sh":   /var/tmp/merged-coverage.lcov
Step #2 - "build.sh": [2026-09-03T07:25:51.612Z] ['verbose'] End of network processing
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Step #2 - "build.sh": [2026-09-03T07:25:53.560Z] ['info'] Using manual override from args.
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Step #2 - "build.sh": [2026-09-03T07:25:53.567Z] ['verbose'] -> Using the following env variables:
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Step #2 - "build.sh": [2026-09-03T07:25:53.915Z] ['info'] Uploading...
Step #2 - "build.sh": [2026-09-03T07:25:54.062Z] ['info'] {"status":"processing","resultURL":"https://app.codecov.io/github/googleapis/google-cloud-cpp/commit/f0a00e5742ec738e92b7ce8862d9dd0091b93010"}
Step #2 - "build.sh": [2026-09-03T07:25:54.062Z] ['verbose'] End of uploader: 2721 milliseconds
Step #2 - "build.sh": ==> 🕑 codecov.io upload done in 3.832 seconds
Step #2 - "build.sh": ==> 🕑 coverage completed in 1933.747 seconds
Finished Step #2 - "build.sh"
Starting Step #3 - "remove-image"
Step #3 - "remove-image": Already have image (with digest): gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:2e480d7977829f1534665da1fffd98170f5345d0a6322b369b0fe08a932ce574
Step #3 - "remove-image": Digests:
Step #3 - "remove-image": - us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel@sha256:d7826c0ccdb1e9d3f632c94dc79bfc972139a8909b06fbe61643cf70a8c747fa
Step #3 - "remove-image": 
Step #3 - "remove-image": Tags:
Step #3 - "remove-image": - us-east1-docker.pkg.dev/cloud-cpp-testing-resources/gcb/cloudbuild/fedora-latest-bazel:0449ba5c-1cb7-4088-b594-0c572cfc93d1
Step #3 - "remove-image": Delete request issued.
Step #3 - "remove-image": Waiting for operation [projects/cloud-cpp-testing-resources/locations/us-east1/operations/d808a8b4-2613-4902-8f5a-57bdff355340] to complete...
Step #3 - "remove-image": .....done.
Finished Step #3 - "remove-image"
PUSH
DONE

Build Log: https://storage.cloud.google.com/cloud-cpp-community-publiclogs/logs/google-cloud-cpp/16389/f0a00e5742ec738e92b7ce8862d9dd0091b93010/fedora-latest-bazel-coverage-default/log-0449ba5c-1cb7-4088-b594-0c572cfc93d1.txt