Console Output

14:26:22 [2019-09-16T14:26:22.686Z] using credential docker-jenkins-github-credentials
14:26:22 [2019-09-16T14:26:22.827Z] Fetching changes from the remote Git repository
14:26:22 [2019-09-16T14:26:22.963Z] Fetching without tags
14:26:22 [2019-09-16T14:26:22.725Z]  > git rev-parse --is-inside-work-tree # timeout=10
14:26:22 [2019-09-16T14:26:22.850Z]  > git config remote.origin.url https://github.com/docker/engine.git # timeout=10
14:26:22 [2019-09-16T14:26:22.999Z] Fetching upstream changes from https://github.com/docker/engine.git
14:26:22 [2019-09-16T14:26:22.999Z]  > git --version # timeout=10
14:26:23 [2019-09-16T14:26:23.064Z] using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
14:26:23 [2019-09-16T14:26:23.066Z]  > git fetch --no-tags --force --progress https://github.com/docker/engine.git +refs/pull/366/head:refs/remotes/origin/PR-366 +refs/heads/19.03:refs/remotes/origin/19.03
14:26:24 [2019-09-16T14:26:24.127Z] Merging remotes/origin/19.03 commit b262d40dafbad2827933851df68e00eb38417992 into PR head commit ad1e6bae4f4b56d56b6da67aedb31ae8f03b24ae
14:26:24 [2019-09-16T14:26:24.164Z]  > git config core.sparsecheckout # timeout=10
14:26:24 [2019-09-16T14:26:24.224Z]  > git checkout -f ad1e6bae4f4b56d56b6da67aedb31ae8f03b24ae
14:26:24 [2019-09-16T14:26:24.949Z] Merge succeeded, producing eb77941286bde381d7280160ca28cec0e8124ced
14:26:24 [2019-09-16T14:26:24.951Z] Checking out Revision eb77941286bde381d7280160ca28cec0e8124ced (PR-366)
14:26:25 [2019-09-16T14:26:25.295Z] Commit message: "Merge commit 'b262d40dafbad2827933851df68e00eb38417992' into HEAD"
14:26:25 [2019-09-16T14:26:25.295Z] First time build. Skipping changelog.
14:26:24 [2019-09-16T14:26:24.579Z]  > git merge b262d40dafbad2827933851df68e00eb38417992 # timeout=10
14:26:24 [2019-09-16T14:26:24.850Z]  > git rev-parse "HEAD^{commit}" # timeout=10
14:26:24 [2019-09-16T14:26:24.986Z]  > git config core.sparsecheckout # timeout=10
14:26:25 [2019-09-16T14:26:25.047Z]  > git checkout -f eb77941286bde381d7280160ca28cec0e8124ced
14:26:25 [2019-09-16T14:26:25.676Z] fatal: bad object ead69454b4062f17d1f8389642089a002b037213