Console Output

14:34:33 The recommended git tool is: git
14:34:33 using credential docker-jenkins-github-credentials
14:34:33 Cloning the remote Git repository
14:34:33 Cloning with configured refspecs honoured and without tags
14:34:34 Fetching without tags
14:34:34 Merging remotes/origin/master commit 80b286ba288ab5b779fab4bf267e7c075985b0e3 into PR head commit 69781548e249acf10d5c49fdf704c92f76ac6972
14:34:34 Merge succeeded, producing 69781548e249acf10d5c49fdf704c92f76ac6972
14:34:34 Checking out Revision 69781548e249acf10d5c49fdf704c92f76ac6972 (PR-697)
14:34:34 Commit message: "Makefile: add "verify" target to test install of packages"
Cloning repository https://github.com/docker/docker-ce-packaging.git
 > git init /home/ubuntu/workspace/docker-ce-packaging_PR-697 # timeout=10
Fetching upstream changes from https://github.com/docker/docker-ce-packaging.git
 > git --version # timeout=10
 > git --version # 'git version 2.17.1'
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --progress -- https://github.com/docker/docker-ce-packaging.git +refs/pull/697/head:refs/remotes/origin/PR-697 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config remote.origin.url https://github.com/docker/docker-ce-packaging.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/697/head:refs/remotes/origin/PR-697 # 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 --progress -- https://github.com/docker/docker-ce-packaging.git +refs/pull/697/head:refs/remotes/origin/PR-697 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 69781548e249acf10d5c49fdf704c92f76ac6972 # 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 80b286ba288ab5b779fab4bf267e7c075985b0e3 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 69781548e249acf10d5c49fdf704c92f76ac6972 # timeout=10
 > git --version # timeout=10
 > git --version # 'git version 2.17.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0