Console Output

14:17:54 using credential docker-jenkins-github-credentials
14:17:54 Cloning the remote Git repository
14:17:54 Cloning with configured refspecs honoured and without tags
14:17:55 Fetching without tags
14:17:55 Merging remotes/origin/master commit 5efe28149a2060ff64faab5d4c1566f4cb994792 into PR head commit fe11be8ffc0e88cbb87a1c8b1db02f9ee929524f
Cloning repository https://github.com/docker/docker-py.git
 > git init /home/ubuntu/workspace/docker-py_PR-2590 # timeout=10
Fetching upstream changes from https://github.com/docker/docker-py.git
 > git --version # timeout=10
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --progress -- https://github.com/docker/docker-py.git +refs/pull/2590/head:refs/remotes/origin/PR-2590 +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/2590/head:refs/remotes/origin/PR-2590 # 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 --progress -- https://github.com/docker/docker-py.git +refs/pull/2590/head:refs/remotes/origin/PR-2590 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f fe11be8ffc0e88cbb87a1c8b1db02f9ee929524f # timeout=10
14:17:55 Merge succeeded, producing fe11be8ffc0e88cbb87a1c8b1db02f9ee929524f
14:17:55 Checking out Revision fe11be8ffc0e88cbb87a1c8b1db02f9ee929524f (PR-2590)
14:17:55 Commit message: "Update Dockerfile"
 > git merge 5efe28149a2060ff64faab5d4c1566f4cb994792 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f fe11be8ffc0e88cbb87a1c8b1db02f9ee929524f # timeout=10
 > git --version # timeout=10
fatal: bad object ad1b00369dd78a15c273e17e363f91bced3f6e18