Console Output

12:39:14 The recommended git tool is: git
12:39:20 using credential docker-jenkins-github-credentials
12:39:20 Cloning the remote Git repository
12:39:20 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-830 # timeout=10
12:39:21 Fetching without tags
12:39:21 Merging remotes/origin/master commit 153875c148795fa5e266165dbf5cf328a4925ab7 into PR head commit 1e630e151170bc79c0747db88f4e4588f5cab08a
12:39:21 Merge succeeded, producing 1e630e151170bc79c0747db88f4e4588f5cab08a
12:39:21 Checking out Revision 1e630e151170bc79c0747db88f4e4588f5cab08a (PR-830)
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/830/head:refs/remotes/origin/PR-830 +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/830/head:refs/remotes/origin/PR-830 # 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/830/head:refs/remotes/origin/PR-830 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 1e630e151170bc79c0747db88f4e4588f5cab08a # 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 153875c148795fa5e266165dbf5cf328a4925ab7 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 1e630e151170bc79c0747db88f4e4588f5cab08a # timeout=10
12:39:25 Commit message: "Remove libbtrfs-dev, btrfs-tools, btrfs-progs-devel build-dependencies"
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 4f8fd6a86e521290dafaf7c28eced2a9b21b220a