Console Output

15:03:19 The recommended git tool is: git
15:03:22 using credential docker-jenkins-github-credentials
15:03:22 Cloning the remote Git repository
15:03:22 Cloning with configured refspecs honoured and without tags
Cloning repository https://github.com/docker/docker-ce-packaging.git
 > git init /home/ubuntu/workspace/docker-ce-packaging_PR-959 # timeout=10
Fetching upstream changes from https://github.com/docker/docker-ce-packaging.git
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --force --progress -- https://github.com/docker/docker-ce-packaging.git +refs/pull/959/head:refs/remotes/origin/PR-959 +refs/heads/master:refs/remotes/origin/master # timeout=10
15:03:24 Fetching without tags
15:03:24 Merging remotes/origin/master commit 11c92d53efa391f9b2033d967b917aab6fe9b3d4 into PR head commit 828518ff97bbc524178f7e4932ed52018f38f133
15:03:24 Merge succeeded, producing 828518ff97bbc524178f7e4932ed52018f38f133
15:03:24 Checking out Revision 828518ff97bbc524178f7e4932ed52018f38f133 (PR-959)
 > git config remote.origin.url https://github.com/docker/docker-ce-packaging.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/959/head:refs/remotes/origin/PR-959 # 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/docker-ce-packaging.git # timeout=10
Fetching upstream changes from https://github.com/docker/docker-ce-packaging.git
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --force --progress -- https://github.com/docker/docker-ce-packaging.git +refs/pull/959/head:refs/remotes/origin/PR-959 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 828518ff97bbc524178f7e4932ed52018f38f133 # timeout=10
 > git remote # timeout=10
 > git config --get remote.origin.url # timeout=10
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git merge 11c92d53efa391f9b2033d967b917aab6fe9b3d4 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 828518ff97bbc524178f7e4932ed52018f38f133 # timeout=10
15:03:30 Commit message: "remove devicemapper dependencies"
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 4f8fd6a86e521290dafaf7c28eced2a9b21b220a