Console Output

12:43:29 The recommended git tool is: git
12:43:31 using credential docker-jenkins-github-credentials
12:43:31 Cloning the remote Git repository
12:43:31 Cloning with configured refspecs honoured and without tags
Cloning repository https://github.com/docker/docker-py.git
 > git init /home/ubuntu/workspace/docker-py_PR-3073 # 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/3073/head:refs/remotes/origin/PR-3073 +refs/heads/main:refs/remotes/origin/main # timeout=10
12:43:32 Fetching without tags
12:43:33 Merging remotes/origin/main commit 8590eaad3c4b1460606763332ab84b70033ad6a1 into PR head commit 45877b1c237f8e8eb2aa345a9333dae38ce7acc0
12:43:33 Merge succeeded, producing 45877b1c237f8e8eb2aa345a9333dae38ce7acc0
12:43:33 Checking out Revision 45877b1c237f8e8eb2aa345a9333dae38ce7acc0 (PR-3073)
 > git config remote.origin.url https://github.com/docker/docker-py.git # timeout=10
 > git config --add remote.origin.fetch +refs/pull/3073/head:refs/remotes/origin/PR-3073 # timeout=10
 > git config --add remote.origin.fetch +refs/heads/main:refs/remotes/origin/main # 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/3073/head:refs/remotes/origin/PR-3073 +refs/heads/main:refs/remotes/origin/main # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 45877b1c237f8e8eb2aa345a9333dae38ce7acc0 # 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 8590eaad3c4b1460606763332ab84b70033ad6a1 # timeout=10
 > git rev-parse HEAD^{commit} # timeout=10
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 45877b1c237f8e8eb2aa345a9333dae38ce7acc0 # timeout=10
12:43:36 Commit message: "Avoid stripping characters in volume names"
12:43:36 First time build. Skipping changelog.
 > git --version # timeout=10
 > git --version # 'git version 2.25.1'
fatal: bad object 4f8fd6a86e521290dafaf7c28eced2a9b21b220a