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/cli.git
 > git init /home/ubuntu/workspace/cli_PR-2572 # timeout=10
Fetching upstream changes from https://github.com/docker/cli.git
 > git --version # timeout=10
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --progress -- https://github.com/docker/cli.git +refs/pull/2572/head:refs/remotes/origin/PR-2572 +refs/heads/master:refs/remotes/origin/master # timeout=10
Fetching without tags
Merging remotes/origin/master commit b350e14b1f83e1870a234ff2c554450707218204 into PR head commit 2ab4b4d53643197017715f4f6171c61dd8a2a9c8
Merge succeeded, producing 2ab4b4d53643197017715f4f6171c61dd8a2a9c8
Checking out Revision 2ab4b4d53643197017715f4f6171c61dd8a2a9c8 (PR-2572)
Commit message: "Don't loose additional metadata fields"
First time build. Skipping changelog.
 > git --version # timeout=10
 > git config remote.origin.url https://github.com/docker/cli.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/2572/head:refs/remotes/origin/PR-2572 # 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/cli.git # timeout=10
Fetching upstream changes from https://github.com/docker/cli.git
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --progress -- https://github.com/docker/cli.git +refs/pull/2572/head:refs/remotes/origin/PR-2572 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 2ab4b4d53643197017715f4f6171c61dd8a2a9c8 # timeout=10
 > git merge b350e14b1f83e1870a234ff2c554450707218204 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 2ab4b4d53643197017715f4f6171c61dd8a2a9c8 # timeout=10
fatal: bad object ad1b00369dd78a15c273e17e363f91bced3f6e18