I'm using the Unity Test Framework to generate NUnit test results to an xml file. When the NUnit plugin attempts to parse the file I get a NullReferenceException:

17:00:57 ERROR: Build step failed with exception
17:00:57 java.lang.NullPointerException
17:00:57 at hudson.plugins.nunit.NUnitReportTransformer.splitJUnitFile(NUnitReportTransformer.java:108)
17:00:57 at hudson.plugins.nunit.NUnitReportTransformer.transform(NUnitReportTransformer.java:75)
17:00:57 at hudson.plugins.nunit.NUnitArchiver.call(NUnitArchiver.java:62)
17:00:57 at hudson.plugins.nunit.NUnitArchiver.call(NUnitArchiver.java:30)
17:00:57 at hudson.FilePath.act(FilePath.java:1083)
17:00:57 at hudson.plugins.nunit.NUnitPublisher.perform(NUnitPublisher.java:264)
17:00:57 at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:78)
17:00:57 at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
17:00:57 at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:779)
17:00:57 at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:720)
17:00:57 at hudson.model.Build$BuildExecution.post2(Build.java:186)
17:00:57 at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:665)
17:00:57 at hudson.model.Run.execute(Run.java:1753)
17:00:57 at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
17:00:57 at hudson.model.ResourceController.execute(ResourceController.java:98)
17:00:57 at hudson.model.Executor.run(Executor.java:405)
17:00:57 Build step 'Publish NUnit test result report' marked build as failure

Please find the source file (unity3d_testresults.xml) and output file (temp-junit.xml) attached.