Console Output

05:56:08 The recommended git tool is: git
05:56:08 using credential docker-jenkins-github-credentials
05:56:08 Cloning the remote Git repository
05:56:08 Cloning with configured refspecs honoured and without tags
05:56:09 Fetching without tags
Cloning repository https://github.com/docker/docker-py.git
 > git init /home/ubuntu/workspace/docker-py_PR-2989 # 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/2989/head:refs/remotes/origin/PR-2989 +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/2989/head:refs/remotes/origin/PR-2989 # 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/2989/head:refs/remotes/origin/PR-2989 +refs/heads/master:refs/remotes/origin/master # timeout=10
05:56:09 Merging remotes/origin/master commit a48a5a9647761406d66e8271f19fab7fa0c5f582 into PR head commit 4af4db7c54c1da1b3b20d86001a3c22e96844d82
05:56:09 Merge succeeded, producing 4af4db7c54c1da1b3b20d86001a3c22e96844d82
05:56:09 Checking out Revision 4af4db7c54c1da1b3b20d86001a3c22e96844d82 (PR-2989)
05:56:09 Commit message: "Add unmaintained notice"
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 4af4db7c54c1da1b3b20d86001a3c22e96844d82 # 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 a48a5a9647761406d66e8271f19fab7fa0c5f582 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 4af4db7c54c1da1b3b20d86001a3c22e96844d82 # timeout=10
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0