Console Output

17:03:45 The recommended git tool is: git
17:03:45 using credential docker-jenkins-github-credentials
17:03:45 Cloning the remote Git repository
17:03:45 Cloning with configured refspecs honoured and without tags
17:03:46 Fetching without tags
17:03:46 Merging remotes/origin/master commit 7168e09b1628b85a09e95cf8bae6bfd94b61a6c4 into PR head commit 22ed12fc2fce608e511bcb3dacffdfbff552e6e1
Cloning repository https://github.com/docker/docker-py.git
 > git init /home/ubuntu/workspace/docker-py_PR-3007 # 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/3007/head:refs/remotes/origin/PR-3007 +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/3007/head:refs/remotes/origin/PR-3007 # 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/3007/head:refs/remotes/origin/PR-3007 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
17:03:46 Merge succeeded, producing 22ed12fc2fce608e511bcb3dacffdfbff552e6e1
17:03:46 Checking out Revision 22ed12fc2fce608e511bcb3dacffdfbff552e6e1 (PR-3007)
17:03:46 Commit message: "tls: use auto-negotiated highest version"
 > git checkout -f 22ed12fc2fce608e511bcb3dacffdfbff552e6e1 # 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 7168e09b1628b85a09e95cf8bae6bfd94b61a6c4 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 22ed12fc2fce608e511bcb3dacffdfbff552e6e1 # timeout=10
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0