Console Output

13:44:20 The recommended git tool is: git
13:44:22 using credential docker-jenkins-github-credentials
13:44:22 Cloning the remote Git repository
13:44:22 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-780 # 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/780/head:refs/remotes/origin/PR-780 +refs/heads/20.10:refs/remotes/origin/20.10 # timeout=10
13:44:24 Fetching without tags
13:44:24 Merging remotes/origin/20.10 commit 5afb931c837f76e4643f30a159d984a3957b61bf into PR head commit bafad031b12f152bb3d7ee37faabc92c5cf671ab
13:44:24 Merge succeeded, producing bafad031b12f152bb3d7ee37faabc92c5cf671ab
13:44:24 Checking out Revision bafad031b12f152bb3d7ee37faabc92c5cf671ab (PR-780)
 > git config remote.origin.url https://github.com/docker/docker-ce-packaging.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/780/head:refs/remotes/origin/PR-780 # timeout=10
 > git config --add remote.origin.fetch +refs/heads/20.10:refs/remotes/origin/20.10 # 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/780/head:refs/remotes/origin/PR-780 +refs/heads/20.10:refs/remotes/origin/20.10 # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f bafad031b12f152bb3d7ee37faabc92c5cf671ab # 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 5afb931c837f76e4643f30a159d984a3957b61bf # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f bafad031b12f152bb3d7ee37faabc92c5cf671ab # timeout=10
13:44:28 Commit message: "[20.10] add buildtags to ubuntu:kinetic Dockerfile"
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 4f8fd6a86e521290dafaf7c28eced2a9b21b220a