[Qa-jenkins-scm] Build failed in Jenkins: reproducible_diffoscope_from_git_branches #18

[jenkins at jenkins.debian.net]

https://jenkins.debian.net/job/reproducible_diffoscope_from_git_branches/18/------------------------------------------
Started by timer
[EnvInject] - Loading node environment variables.
Building on master in workspace <https://jenkins.debian.net/job/reproducible_diffoscope_from_git_branches/ws/>
Wiping out workspace first.
Cloning the remote Git repository
Cloning repository git://anonscm.debian.org/git/reproducible/diffoscope.git
 > git init <https://jenkins.debian.net/job/reproducible_diffoscope_from_git_branches/ws/> # timeout=10
Fetching upstream changes from git://anonscm.debian.org/git/reproducible/diffoscope.git
 > git --version # timeout=10
 > git fetch --tags --progress git://anonscm.debian.org/git/reproducible/diffoscope.git +refs/heads/*:refs/remotes/origin/*
 > git config remote.origin.url git://anonscm.debian.org/git/reproducible/diffoscope.git # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url git://anonscm.debian.org/git/reproducible/diffoscope.git # timeout=10
Fetching upstream changes from git://anonscm.debian.org/git/reproducible/diffoscope.git
 > git fetch --tags --progress git://anonscm.debian.org/git/reproducible/diffoscope.git +refs/heads/*:refs/remotes/origin/*
Seen branch in repository origin/WIP/parallel
Seen branch in repository origin/WIP/parallel2
Seen branch in repository origin/WIP/tlsh
Seen branch in repository origin/html-dir
Seen branch in repository origin/master
Seen branch in repository origin/satyam/argument-completion
Seen branch in repository origin/satyam/hide-profile-experiment
Seen 7 remote branches
Checking out Revision d2f6b4dab794dbd3e966608eaffa77f3fe43ab9b (origin/lamby/843531-avoid-walking-through-packages-twice)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f d2f6b4dab794dbd3e966608eaffa77f3fe43ab9b
FATAL: Could not checkout d2f6b4dab794dbd3e966608eaffa77f3fe43ab9b
hudson.plugins.git.GitException: Could not checkout d2f6b4dab794dbd3e966608eaffa77f3fe43ab9b
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$9.execute(CliGitAPIImpl.java:2024)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1132)
	at hudson.scm.SCM.checkout(SCM.java:495)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1278)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:604)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:529)
	at hudson.model.Run.execute(Run.java:1728)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:98)
	at hudson.model.Executor.run(Executor.java:404)
Caused by: hudson.plugins.git.GitException: Command "git checkout -f d2f6b4dab794dbd3e966608eaffa77f3fe43ab9b" returned status code 128:
stdout: 
stderr: fatal: reference is not a tree: d2f6b4dab794dbd3e966608eaffa77f3fe43ab9b

	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1745)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$800(CliGitAPIImpl.java:64)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$9.execute(CliGitAPIImpl.java:2016)
	... 10 more