buildbot exception in on svn-windows-ra

[buildbot]

The Buildbot has detected a build exception on builder svn-windows-ra while 
building . Full details are available at:
    https://ci.apache.org/builders/svn-windows-ra/builds/3113

Buildbot URL: https://ci.apache.org/

Buildslave for this Build: svn-w2k3-ra

Build Reason: The AnyBranchScheduler scheduler named 
'on-subversion-trunk-commit' triggered this build
Build Source Stamp: [branch subversion/trunk] 1890013
Blamelist: futatuki,rhuijben

BUILD FAILED: exception Cleanup

Sincerely,
 -The Buildbot