Started by upstream project "relay-lnt-ctmark" build number 9059 originally caused by: Started by upstream project "clang-stage1-RA" build number 671 originally caused by: Started by an SCM change Started by an SCM change [BFA] Scanning build for known causes... [BFA] No failure causes found [BFA] Done. 0s java.lang.IllegalArgumentException: Null value not allowed as an environment variable: LLVM_REV at hudson.EnvVars.put(EnvVars.java:378) at hudson.model.StringParameterValue.buildEnvironment(StringParameterValue.java:59) at hudson.model.ParametersAction.buildEnvironment(ParametersAction.java:145) at hudson.model.Run.getEnvironment(Run.java:2383) at org.jenkinsci.plugins.workflow.job.WorkflowRun.getEnvironment(WorkflowRun.java:468) at org.jenkinsci.plugins.workflow.cps.CpsScmFlowDefinition.create(CpsScmFlowDefinition.java:106) at org.jenkinsci.plugins.workflow.cps.CpsScmFlowDefinition.create(CpsScmFlowDefinition.java:67) at org.jenkinsci.plugins.workflow.job.WorkflowRun.run(WorkflowRun.java:293) at hudson.model.ResourceController.execute(ResourceController.java:97) at hudson.model.Executor.run(Executor.java:429) Finished: FAILURE