Started by an SCM change
Building in workspace /var/lib/jenkins/workspace/irclib
 > git rev-parse --is-inside-work-tree # timeout=10
ERROR: Workspace has a .git repository, but it appears to be corrupt.
hudson.plugins.git.GitException: Error performing command: git rev-parse --is-inside-work-tree
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1598)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1567)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1563)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommand(CliGitAPIImpl.java:1249)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommand(CliGitAPIImpl.java:1261)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.hasGitRepo(CliGitAPIImpl.java:216)
	at hudson.plugins.git.GitAPI.hasGitRepo(GitAPI.java:232)
	at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:958)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1016)
	at hudson.scm.SCM.checkout(SCM.java:485)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1277)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:610)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:532)
	at hudson.model.Run.execute(Run.java:1741)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:98)
	at hudson.model.Executor.run(Executor.java:408)
Caused by: java.io.IOException: Cannot run program "git" (in directory "/var/lib/jenkins/workspace/irclib"): error=2, No such file or directory
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:1042)
	at hudson.Proc$LocalProc.<init>(Proc.java:244)
	at hudson.Proc$LocalProc.<init>(Proc.java:216)
	at hudson.Launcher$LocalLauncher.launch(Launcher.java:816)
	at hudson.Launcher$ProcStarter.start(Launcher.java:382)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1587)
	... 17 more
Caused by: java.io.IOException: error=2, No such file or directory
	at java.lang.UNIXProcess.forkAndExec(Native Method)
	at java.lang.UNIXProcess.<init>(UNIXProcess.java:187)
	at java.lang.ProcessImpl.start(ProcessImpl.java:134)
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:1023)
	... 22 more
Cloning the remote Git repository
Cloning repository https://github.com/progwml6/IRCLib.git
 > git init /var/lib/jenkins/workspace/irclib # timeout=10
ERROR: Error cloning remote repo 'origin'
ERROR: Error cloning remote repo 'origin'
Retrying after 10 seconds
Cloning the remote Git repository
Cloning repository https://github.com/progwml6/IRCLib.git
 > git init /var/lib/jenkins/workspace/irclib # timeout=10
ERROR: Error cloning remote repo 'origin'
ERROR: Error cloning remote repo 'origin'
Retrying after 10 seconds
Cloning the remote Git repository
Cloning repository https://github.com/progwml6/IRCLib.git
 > git init /var/lib/jenkins/workspace/irclib # timeout=10
ERROR: Error cloning remote repo 'origin'
ERROR: Error cloning remote repo 'origin'
Archiving artifacts
Recording fingerprints
Collecting metadata...
Metadata collection done.
Started calculate disk usage of build
Finished Calculation of disk usage of build in 0 seconds
Started calculate disk usage of workspace
Finished Calculation of disk usage of workspace in 0 seconds
Finished: FAILURE