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-668/src/github.com/docker/app # timeout=10
Fetching upstream changes from https://github.com/docker/app.git
 > git --version # timeout=10
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --progress https://github.com/docker/app.git +refs/pull/668/head:refs/remotes/origin/PR-668
Fetching without tags
Checking out Revision cc09cf8c05c154ec9d98472c44d56c4e18f6e701 (PR-668)
 > git config remote.origin.url https://github.com/docker/app.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/668/head:refs/remotes/origin/PR-668 # 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/668/head:refs/remotes/origin/PR-668
 > git config core.sparsecheckout # timeout=10
 > git checkout -f cc09cf8c05c154ec9d98472c44d56c4e18f6e701
Commit message: "19.03 is not a pre-release anymore"
First time build. Skipping changelog.
fatal: bad object 9d211b4b26f02e228a3affd71de33f5afd9f4d88