Console Output

20:22:48 The recommended git tool is: git
20:22:50 using credential docker-jenkins-github-credentials
20:22:50 Cloning the remote Git repository
20:22:50 Cloning with configured refspecs honoured and without tags
Cloning repository https://github.com/docker/docker-py.git
 > git init /home/ubuntu/workspace/docker-py_PR-3013 # 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/3013/head:refs/remotes/origin/PR-3013 +refs/heads/master:refs/remotes/origin/master # timeout=10
20:22:52 Fetching without tags
20:22:52 Merging remotes/origin/master commit ea4cefe4fd1e85ef94f477b8e969994117fcb076 into PR head commit 93bb9114cbafa688e285cab23fa84e5bbeb9b3fb
20:22:52 Merge succeeded, producing 93bb9114cbafa688e285cab23fa84e5bbeb9b3fb
20:22:52 Checking out Revision 93bb9114cbafa688e285cab23fa84e5bbeb9b3fb (PR-3013)
 > git config remote.origin.url https://github.com/docker/docker-py.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/3013/head:refs/remotes/origin/PR-3013 # 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/3013/head:refs/remotes/origin/PR-3013 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 93bb9114cbafa688e285cab23fa84e5bbeb9b3fb # 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 ea4cefe4fd1e85ef94f477b8e969994117fcb076 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 93bb9114cbafa688e285cab23fa84e5bbeb9b3fb # timeout=10
20:22:56 Commit message: "ci: bump version to 6.0.0-dev"
20:22:56 First time build. Skipping changelog.
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0