Console Output

13:08:05 The recommended git tool is: git
13:08:07 using credential docker-jenkins-github-credentials
13:08:07 Cloning the remote Git repository
13:08:07 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-2799 # 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/2799/head:refs/remotes/origin/PR-2799 +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/2799/head:refs/remotes/origin/PR-2799 # timeout=10
13:08:08 Fetching without tags
13:08:08 Merging remotes/origin/master commit 0892fcfc12c6c83a10fd23e08c39464784f50632 into PR head commit a34dd8b1a987bfd98882197c909a24a963b68a8f
13:08:08 Merge succeeded, producing a34dd8b1a987bfd98882197c909a24a963b68a8f
13:08:08 Checking out Revision a34dd8b1a987bfd98882197c909a24a963b68a8f (PR-2799)
 > 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/2799/head:refs/remotes/origin/PR-2799 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f a34dd8b1a987bfd98882197c909a24a963b68a8f # 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 0892fcfc12c6c83a10fd23e08c39464784f50632 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f a34dd8b1a987bfd98882197c909a24a963b68a8f # timeout=10
13:08:12 Commit message: "Fix images low-level documentation examples"
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0