Console Output

using credential docker-jenkins-github-credentials
Cloning the remote Git repository
Cloning with configured refspecs honoured and without tags
Cloning repository https://github.com/docker/app.git
 > git init /home/ubuntu/workspace/app_PR-809/src/github.com/docker/app # timeout=10
Fetching upstream changes from https://github.com/docker/app.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/app.git +refs/pull/809/head:refs/remotes/origin/PR-809 # timeout=10
Fetching without tags
Checking out Revision 7fd51cd922843b667949e73f152e399f653b54bb (PR-809)
 > git config remote.origin.url https://github.com/docker/app.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/809/head:refs/remotes/origin/PR-809 # timeout=10
 > git config remote.origin.url https://github.com/docker/app.git # timeout=10
Fetching upstream changes from https://github.com/docker/app.git
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --progress -- https://github.com/docker/app.git +refs/pull/809/head:refs/remotes/origin/PR-809 # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 7fd51cd922843b667949e73f152e399f653b54bb # timeout=10
Commit message: "Update README.md"
 > git --version # timeout=10
 > git --version # 'git version 2.17.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0