Build failed in Jenkins: ovirt_master_system-tests #56

[jenkins at jenkins.phx.ovirt.org]

See <http://jenkins.ovirt.org/job/ovirt_master_system-tests/56/>

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Failed to access build log

java.io.IOException: remote file operation failed: /home/jenkins/workspace/ovirt_master_system-tests at hudson.remoting.Channel at 18c52764:ovirt-srv25.phx.ovirt.org: hudson.remoting.ChannelClosedException: channel is already closed
	at hudson.FilePath.act(FilePath.java:986)
	at hudson.FilePath.act(FilePath.java:968)
	at hudson.FilePath.toURI(FilePath.java:1113)
	at hudson.tasks.MailSender.createFailureMail(MailSender.java:282)
	at hudson.tasks.MailSender.getMail(MailSender.java:157)
	at hudson.tasks.MailSender.execute(MailSender.java:102)
	at hudson.tasks.Mailer.perform(Mailer.java:138)
	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:782)
	at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:723)
	at hudson.model.Build$BuildExecution.post2(Build.java:185)
	at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:668)
	at hudson.model.Run.execute(Run.java:1763)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:98)
	at hudson.model.Executor.run(Executor.java:410)
Caused by: hudson.remoting.ChannelClosedException: channel is already closed
	at hudson.remoting.Channel.send(Channel.java:578)
	at hudson.remoting.Request.call(Request.java:130)
	at hudson.remoting.Channel.call(Channel.java:780)
	at hudson.FilePath.act(FilePath.java:979)
	... 15 more
Caused by: java.io.IOException
	at hudson.remoting.Channel.close(Channel.java:1163)
	at hudson.slaves.ChannelPinger$1.onDead(ChannelPinger.java:118)
	at hudson.remoting.PingThread.ping(PingThread.java:126)
	at hudson.remoting.PingThread.run(PingThread.java:85)
Caused by: java.util.concurrent.TimeoutException: Ping started at 1463969944240 hasn't completed by 1463970184247
	... 2 more