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-2557 # 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/2557/head:refs/remotes/origin/PR-2557 +refs/heads/19.03:refs/remotes/origin/19.03 # timeout=10
Fetching without tags
 > git config remote.origin.url https://github.com/docker/cli.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/2557/head:refs/remotes/origin/PR-2557 # timeout=10
 > git config --add remote.origin.fetch +refs/heads/19.03:refs/remotes/origin/19.03 # timeout=10
 > git config remote.origin.url https://github.com/docker/cli.git # timeout=10
Merging remotes/origin/19.03 commit fd7874f16d496314aa9424eb896bf437bf8af439 into PR head commit 97afb72954d15b4481b94bec1a3b4d7010d32da9
Merge succeeded, producing 97afb72954d15b4481b94bec1a3b4d7010d32da9
Checking out Revision 97afb72954d15b4481b94bec1a3b4d7010d32da9 (PR-2557)
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/2557/head:refs/remotes/origin/PR-2557 +refs/heads/19.03:refs/remotes/origin/19.03 # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 97afb72954d15b4481b94bec1a3b4d7010d32da9 # timeout=10
 > git merge fd7874f16d496314aa9424eb896bf437bf8af439 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 97afb72954d15b4481b94bec1a3b4d7010d32da9 # timeout=10
Commit message: "docs/extend: fix broken link and some markdown touch-ups"
First time build. Skipping changelog.
 > git --version # timeout=10
fatal: bad object ad1b00369dd78a15c273e17e363f91bced3f6e18