Console Output

09:29:58 The recommended git tool is: git
09:29:58 using credential docker-jenkins-github-credentials
09:29:58 Cloning the remote Git repository
09:29:58 Cloning with configured refspecs honoured and without tags
09:29:59 Fetching without tags
09:29:59 Merging remotes/origin/master commit d065daf522195d9bc9d6da56a67a026f5ebe2c17 into PR head commit 2f6482f6691750928eef62abb13ecc7881482554
09:29:59 Merge succeeded, producing 2f6482f6691750928eef62abb13ecc7881482554
09:29:59 Checking out Revision 2f6482f6691750928eef62abb13ecc7881482554 (PR-2769)
09:29:59 Commit message: "Post-release 4.4.2 changelog updates"
Cloning repository https://github.com/docker/docker-py.git
 > git init /home/ubuntu/workspace/docker-py_PR-2769 # timeout=10
Fetching upstream changes from https://github.com/docker/docker-py.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-py.git +refs/pull/2769/head:refs/remotes/origin/PR-2769 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config remote.origin.url https://github.com/docker/docker-py.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/2769/head:refs/remotes/origin/PR-2769 # timeout=10
 > git config --add remote.origin.fetch +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config remote.origin.url https://github.com/docker/docker-py.git # timeout=10
Fetching upstream changes from https://github.com/docker/docker-py.git
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --force --progress -- https://github.com/docker/docker-py.git +refs/pull/2769/head:refs/remotes/origin/PR-2769 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 2f6482f6691750928eef62abb13ecc7881482554 # 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 d065daf522195d9bc9d6da56a67a026f5ebe2c17 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 2f6482f6691750928eef62abb13ecc7881482554 # timeout=10
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0