Console Output

14:04:43 The recommended git tool is: git
14:04:46 using credential docker-jenkins-github-credentials
14:04:46 Cloning the remote Git repository
14:04:46 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-2883 # 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/2883/head:refs/remotes/origin/PR-2883 +refs/heads/master:refs/remotes/origin/master # timeout=10
14:04:48 Fetching without tags
 > git config remote.origin.url https://github.com/docker/docker-py.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/2883/head:refs/remotes/origin/PR-2883 # 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/2883/head:refs/remotes/origin/PR-2883 +refs/heads/master:refs/remotes/origin/master # timeout=10
14:04:49 Merging remotes/origin/master commit 62af2bbb13cfa413ab3d9e3536c6996474fa4629 into PR head commit 4a3cddf4bf926f3aa0d46d5f0318dbb212231377
14:04:49 Merge succeeded, producing 4a3cddf4bf926f3aa0d46d5f0318dbb212231377
14:04:49 Checking out Revision 4a3cddf4bf926f3aa0d46d5f0318dbb212231377 (PR-2883)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 4a3cddf4bf926f3aa0d46d5f0318dbb212231377 # 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 62af2bbb13cfa413ab3d9e3536c6996474fa4629 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 4a3cddf4bf926f3aa0d46d5f0318dbb212231377 # timeout=10
14:04:53 Commit message: "Update changelog for v5.0.0"
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0