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-764/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/764/head:refs/remotes/origin/PR-764
Fetching without tags
Checking out Revision cebcef5f35928baf8fdd6254e9cc2cb6afed8673 (PR-764)
 > git config remote.origin.url https://github.com/docker/app.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/764/head:refs/remotes/origin/PR-764 # 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/764/head:refs/remotes/origin/PR-764
 > git config core.sparsecheckout # timeout=10
 > git checkout -f cebcef5f35928baf8fdd6254e9cc2cb6afed8673
Commit message: "Create a context for the progress printer"
fatal: bad object 26028d2ce48352c9b2c3f496e963b79a4944a426