Caused by: java.io.IOException: remote file operation failed: /home/jenkins/workspace/TTVM/branch - jenkins_checkout_race/test/unit/python at hudson.remoting.Channel@2a26bdb2:ttvm-build-01: java.io.IOException: Failed to extract input stream
	at hudson.FilePath.act(FilePath.java:986)
	at hudson.FilePath.act(FilePath.java:968)
	at hudson.FilePath.untarFrom(FilePath.java:718)
	at org.jenkinsci.plugins.workflow.flow.StashManager.unstash(StashManager.java:114)
	at org.jenkinsci.plugins.workflow.support.steps.stash.UnstashStep$Execution.run(UnstashStep.java:64)
	at org.jenkinsci.plugins.workflow.support.steps.stash.UnstashStep$Execution.run(UnstashStep.java:54)
	at org.jenkinsci.plugins.workflow.steps.AbstractSynchronousNonBlockingStepExecution$1$1.call(AbstractSynchronousNonBlockingStepExecution.java:49)
	at hudson.security.ACL.impersonate(ACL.java:213)
	at org.jenkinsci.plugins.workflow.steps.AbstractSynchronousNonBlockingStepExecution$1.run(AbstractSynchronousNonBlockingStepExecution.java:47)
	... 5 more
Caused by: java.io.IOException: Failed to extract input stream
	at hudson.FilePath.readFromTar(FilePath.java:2300)
	at hudson.FilePath.access$400(FilePath.java:190)
	at hudson.FilePath$10.invoke(FilePath.java:720)
	at hudson.FilePath$10.invoke(FilePath.java:718)
	at hudson.FilePath$FileCallableWrapper.call(FilePath.java:2719)
	at hudson.remoting.UserRequest.perform(UserRequest.java:121)
	at hudson.remoting.UserRequest.perform(UserRequest.java:49)
	at hudson.remoting.Request$2.run(Request.java:324)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at hudson.remoting.Engine$1$1.run(Engine.java:63)
	at java.lang.Thread.run(Thread.java:745)
	at ......remote call to ttvm-build-01(Native Method)
	at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1416)
	at hudson.remoting.UserResponse.retrieve(UserRequest.java:220)
	at hudson.remoting.Channel.call(Channel.java:781)
	at hudson.FilePath.act(FilePath.java:979)
	... 13 more
Caused by: java.io.FileNotFoundException: /home/jenkins/workspace/TTVM/branch - jenkins_checkout_race/test/unit/python/.git/modules/src/dummy_resourceplugin/objects/pack/pack-d5ce80de1e6c760f667e53ad66eb59f6c90853d4.idx (Permission denied)
	at java.io.FileOutputStream.open0(Native Method)
	at java.io.FileOutputStream.open(FileOutputStream.java:270)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:162)
	at hudson.util.IOUtils.copy(IOUtils.java:38)
	at hudson.FilePath.readFromTar(FilePath.java:2290)
	at hudson.FilePath.access$400(FilePath.java:190)
	at hudson.FilePath$10.invoke(FilePath.java:720)
	at hudson.FilePath$10.invoke(FilePath.java:718)
	at hudson.FilePath$FileCallableWrapper.call(FilePath.java:2719)
	at hudson.remoting.UserRequest.perform(UserRequest.java:121)
	at hudson.remoting.UserRequest.perform(UserRequest.java:49)
	at hudson.remoting.Request$2.run(Request.java:324)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at hudson.remoting.Engine$1$1.run(Engine.java:63)
	... 1 more