Console Output

17:24:46 The recommended git tool is: git
17:24:47 using credential docker-jenkins-github-credentials
17:24:47 Cloning the remote Git repository
17:24:47 Cloning with configured refspecs honoured and without tags
17:24:47 Fetching without tags
17:24:47 Merging remotes/origin/master commit 264688e37c9496496807edfd305aea60b57e1adf into PR head commit a9265197d262302d34846e26886347f68c83bb5d
Cloning repository https://github.com/docker/docker-py.git
 > git init /home/ubuntu/workspace/docker-py_PR-2888 # timeout=10
Fetching upstream changes from https://github.com/docker/docker-py.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-py.git +refs/pull/2888/head:refs/remotes/origin/PR-2888 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config remote.origin.url https://github.com/docker/docker-py.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/2888/head:refs/remotes/origin/PR-2888 # 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-py.git # timeout=10
Fetching upstream changes from https://github.com/docker/docker-py.git
using GIT_ASKPASS to set credentials docker-jenkins GitHub credentials
 > git fetch --no-tags --force --progress -- https://github.com/docker/docker-py.git +refs/pull/2888/head:refs/remotes/origin/PR-2888 +refs/heads/master:refs/remotes/origin/master # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f a9265197d262302d34846e26886347f68c83bb5d # 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 264688e37c9496496807edfd305aea60b57e1adf # timeout=10
17:24:48 Merge succeeded, producing a9265197d262302d34846e26886347f68c83bb5d
17:24:48 Checking out Revision a9265197d262302d34846e26886347f68c83bb5d (PR-2888)
17:24:48 Commit message: "Post-release changelog update"
17:24:48 First time build. Skipping changelog.
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 5d8b74fd03a1c7cc00e1c1f32d100ed97a17f4f0
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f a9265197d262302d34846e26886347f68c83bb5d # timeout=10