Build failed in Hudson: maven-core-integration-testing » 1.5,windows #333

See http://grid.sonatype.org/ci/job/maven-core-integration-testing/./jdk=1.5,label=windows/333/

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Started by upstream project "maven-core-integration-testing" build number 333
Building remotely on vista2
FATAL: remote file operation failed
hudson.util.IOException2: remote file operation failed
        at hudson.FilePath.act(FilePath.java:645)
        at hudson.FilePath.act(FilePath.java:633)
        at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:480)
        at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:424)
        at hudson.model.AbstractProject.checkout(AbstractProject.java:830)
        at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:314)
        at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:266)
        at hudson.model.Run.run(Run.java:938)
        at hudson.model.Build.run(Build.java:112)
        at hudson.model.ResourceController.execute(ResourceController.java:93)
        at hudson.model.Executor.run(Executor.java:118)
Caused by: java.io.IOException: Remote call failed
        at hudson.remoting.Channel.call(Channel.java:520)
        at hudson.FilePath.act(FilePath.java:640)
        ... 10 more
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:597)
        at java.util.Timer.<init>(Timer.java:154)
        at java.util.Timer.<init>(Timer.java:122)
        at org.tmatesoft.svn.core.wc.DefaultSVNRepositoryPool.<init>(DefaultSVNRepositoryPool.java:146)
        at org.tmatesoft.svn.core.wc.DefaultSVNRepositoryPool.<init>(DefaultSVNRepositoryPool.java:121)
        at org.tmatesoft.svn.core.wc.SVNClientManager.<init>(SVNClientManager.java:146)
        at org.tmatesoft.svn.core.wc.SVNClientManager.newInstance(SVNClientManager.java:193)
        at hudson.scm.SubversionSCM.createSvnClientManager(SubversionSCM.java:608)
        at hudson.scm.SubversionSCM.parseSvnInfo(SubversionSCM.java:730)
        at hudson.scm.SubversionSCM.access$200(SubversionSCM.java:155)
        at hudson.scm.SubversionSCM$IsUpdatableTask.invoke(SubversionSCM.java:847)
        at hudson.scm.SubversionSCM$IsUpdatableTask.invoke(SubversionSCM.java:825)
        at hudson.FilePath$FileCallableWrapper.call(FilePath.java:1783)
        at hudson.remoting.UserRequest.perform(UserRequest.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:47)
        at hudson.remoting.Request$2.run(Request.java:236)
        at java.util.concurrent.Executors$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)