018-01-24 16:38:37,048  WARN [98@MessageListener for MaterialUpdateListener] MaterialDatabaseUpdater:115 - [Material Update] Modification check failed for material: URL: git@github.com:nubank/morpheus.git, Branch: master
java.lang.RuntimeException: Failed to run git clone command STDERR: Cloning into '/var/lib/go-server/pipelines/flyweight/31b32639-d786-485e-942e-1ce07151cf00'...
STDERR: Failed to add the RSA host key for IP address '192.30.253.113' to the list of known hosts (/var/go/.ssh/known_hosts).
STDERR: ERROR: Repository not found.
STDERR: fatal: Could not read from remote repository.
STDERR:
STDERR: Please make sure you have the correct access rights
STDERR: and the repository exists.
	at com.thoughtworks.go.util.ExceptionUtils.bomb(ExceptionUtils.java:40)
	at com.thoughtworks.go.config.materials.git.GitMaterial.getGit(GitMaterial.java:212)
	at com.thoughtworks.go.config.materials.git.GitMaterial.latestModification(GitMaterial.java:116)
	at com.thoughtworks.go.server.service.materials.GitPoller.latestModification(GitPoller.java:32)
	at com.thoughtworks.go.server.service.materials.GitPoller.latestModification(GitPoller.java:28)
	at com.thoughtworks.go.server.service.MaterialService.latestModification(MaterialService.java:105)
	at com.thoughtworks.go.server.materials.LegacyMaterialChecker.findLatestModification(LegacyMaterialChecker.java:49)
	at com.thoughtworks.go.server.materials.ScmMaterialUpdater.insertLatestOrNewModifications(ScmMaterialUpdater.java:54)
	at com.thoughtworks.go.server.materials.ScmMaterialUpdater.addNewMaterialWithModifications(ScmMaterialUpdater.java:73)
	at com.thoughtworks.go.server.materials.MaterialDatabaseUpdater.addNewMaterialWithModifications(MaterialDatabaseUpdater.java:166)
	at com.thoughtworks.go.server.materials.MaterialDatabaseUpdater.initializeMaterialWithLatestRevision(MaterialDatabaseUpdater.java:124)
	at com.thoughtworks.go.server.materials.MaterialDatabaseUpdater.access$000(MaterialDatabaseUpdater.java:46)
	at com.thoughtworks.go.server.materials.MaterialDatabaseUpdater$1.doInTransaction(MaterialDatabaseUpdater.java:89)
	at com.thoughtworks.go.server.transaction.TransactionCallback.doWithExceptionHandling(TransactionCallback.java:24)
	at com.thoughtworks.go.server.transaction.TransactionTemplate$3.doInTransaction(TransactionTemplate.java:53)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
	at com.thoughtworks.go.server.transaction.TransactionTemplate.executeWithExceptionHandling(TransactionTemplate.java:49)
	at com.thoughtworks.go.server.materials.MaterialDatabaseUpdater.updateMaterial(MaterialDatabaseUpdater.java:86)
	at com.thoughtworks.go.server.materials.MaterialUpdateListener.onMessage(MaterialUpdateListener.java:50)
	at com.thoughtworks.go.server.materials.MaterialUpdateListener.onMessage(MaterialUpdateListener.java:30)
	at com.thoughtworks.go.server.messaging.activemq.JMSMessageListenerAdapter.runImpl(JMSMessageListenerAdapter.java:73)
	at com.thoughtworks.go.server.messaging.activemq.JMSMessageListenerAdapter.run(JMSMessageListenerAdapter.java:53)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.Exception: Failed to run git clone command
	at com.thoughtworks.go.util.ExceptionUtils.bombIfFailedToRunCommandLine(ExceptionUtils.java:50)
	at com.thoughtworks.go.config.materials.git.GitMaterial.git(GitMaterial.java:249)
	at com.thoughtworks.go.config.materials.git.GitMaterial.getGit(GitMaterial.java:210)
	... 21 more