[virgo-build] [Hudson] Build failed in Hudson: virgo.artifact-repository

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See <https://hudson.eclipse.org/hudson/job/virgo.artifact-repository.snapshot/898/>

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Started by timer
Building remotely on hudson-slave1
Checkout:virgo.artifact-repository.snapshot / <https://hudson.eclipse.org/hudson/job/virgo.artifact-repository.snapshot/ws/> - hudson.remoting.Channel@5e253843:hudson-slave1
Using strategy: Default
Last Built Revision: Revision ec1aa84ee7ecf5c61a0f21d822d06f1f926a1db7 (origin/master)
FATAL: cannot assign instance of hudson.EnvVars to field hudson.plugins.git.GitSCM$3.val$environment of type hudson.EnvVars in instance of hudson.plugins.git.GitSCM$3
java.lang.ClassCastException: cannot assign instance of hudson.EnvVars to field hudson.plugins.git.GitSCM$3.val$environment of type hudson.EnvVars in instance of hudson.plugins.git.GitSCM$3
	at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2032)
	at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1212)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1953)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1871)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1947)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1871)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:178)
	at hudson.remoting.UserRequest.perform(UserRequest.java:98)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:283)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)

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