Console Output

10:24:13 The recommended git tool is: git
10:24:19 using credential docker-jenkins-github-credentials
10:24:19 Cloning the remote Git repository
10:24:19 Cloning with configured refspecs honoured and without tags
Cloning repository https://github.com/docker/docker-ce-packaging.git
 > git init /home/ubuntu/workspace/docker-ce-packaging_PR-1004 # timeout=10
Fetching upstream changes from https://github.com/docker/docker-ce-packaging.git
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --force --progress -- https://github.com/docker/docker-ce-packaging.git +refs/pull/1004/head:refs/remotes/origin/PR-1004 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config remote.origin.url https://github.com/docker/docker-ce-packaging.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/1004/head:refs/remotes/origin/PR-1004 # timeout=10
 > git config --add remote.origin.fetch +refs/heads/master:refs/remotes/origin/master # timeout=10
10:24:22 Fetching without tags
10:24:22 Merging remotes/origin/master commit 635fcfa07677b94f044b26d6dd77812fd52f7d58 into PR head commit c671f5ebd0c7f9ac0a842291f15c5b4659a48509
10:24:22 Merge succeeded, producing c671f5ebd0c7f9ac0a842291f15c5b4659a48509
10:24:22 Checking out Revision c671f5ebd0c7f9ac0a842291f15c5b4659a48509 (PR-1004)
10:24:23 Commit message: "add pull-request template"
 > git config remote.origin.url https://github.com/docker/docker-ce-packaging.git # timeout=10
Fetching upstream changes from https://github.com/docker/docker-ce-packaging.git
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --force --progress -- https://github.com/docker/docker-ce-packaging.git +refs/pull/1004/head:refs/remotes/origin/PR-1004 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f c671f5ebd0c7f9ac0a842291f15c5b4659a48509 # timeout=10
 > git remote # timeout=10
 > git config --get remote.origin.url # timeout=10
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git merge 635fcfa07677b94f044b26d6dd77812fd52f7d58 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f c671f5ebd0c7f9ac0a842291f15c5b4659a48509 # timeout=10
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 216427d8bfae9541c1c15f61bd453be62935f49c