Console Output

14:47:04 using credential docker-jenkins-github-credentials
14:47:04 Cloning the remote Git repository
14:47:04 Cloning with configured refspecs honoured and without tags
14:47:05 Fetching without tags
14:47:05 Merging remotes/origin/master commit 27e3fa3e2e2a198ae95399629c2d492368c95965 into PR head commit a0c51be2289dfa1ff05eb1834452e5808714b64a
Cloning repository https://github.com/docker/docker-py.git
 > git init /home/ubuntu/workspace/docker-py_PR-2704 # timeout=10
Fetching upstream changes from https://github.com/docker/docker-py.git
 > git --version # timeout=10
 > git --version # 'git version 2.17.1'
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --progress -- https://github.com/docker/docker-py.git +refs/pull/2704/head:refs/remotes/origin/PR-2704 +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/2704/head:refs/remotes/origin/PR-2704 # 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/2704/head:refs/remotes/origin/PR-2704 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f a0c51be2289dfa1ff05eb1834452e5808714b64a # 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 27e3fa3e2e2a198ae95399629c2d492368c95965 # timeout=10
14:47:05 Merge succeeded, producing a0c51be2289dfa1ff05eb1834452e5808714b64a
14:47:05 Checking out Revision a0c51be2289dfa1ff05eb1834452e5808714b64a (PR-2704)
14:47:05 Commit message: "Syntax warning fix"
 > git --version # timeout=10
 > git --version # 'git version 2.17.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f a0c51be2289dfa1ff05eb1834452e5808714b64a # timeout=10