Thread Dump

Thread #8
	at DSL.checkout(running in thread: org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution [#12353])
	at Script1.clone_llvm_project(Script1.groovy:30)
	at DSL.dir(Native Method)
	at Script1.clone_llvm_project(Script1.groovy:29)
	at Script1.benchmark_pipeline(Script1.groovy:115)
	at Script1.task_pipeline(Script1.groovy:86)
	at DSL.stage(Native Method)
	at Script1.task_pipeline(Script1.groovy:82)
	at DSL.node(running on green-dragon-12)
	at Script1.task_pipeline(Script1.groovy:80)
	at Script1.benchmark_pipeline(Script1.groovy:114)
	at Script1.testsuite_pipeline(Script1.groovy:121)
	at WorkflowScript.run(WorkflowScript:3)