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-776/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/776/head:refs/remotes/origin/PR-776
Fetching without tags
 > git config remote.origin.url https://github.com/docker/app.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/776/head:refs/remotes/origin/PR-776 # 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/776/head:refs/remotes/origin/PR-776
Checking out Revision 3cebbc2d85daa402514eac867fe85f443e9f5e5d (PR-776)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 3cebbc2d85daa402514eac867fe85f443e9f5e5d
Commit message: "Add -f shorthand to app rm --force"
First time build. Skipping changelog.
fatal: bad object 26028d2ce48352c9b2c3f496e963b79a4944a426