buildbot failure in ASF Buildbot on svn-x64-centos-gcc

[buildbot]

The Buildbot has detected a new failure on builder svn-x64-centos-gcc while 
building ASF Buildbot. Full details are available at:
    http://ci.apache.org/builders/svn-x64-centos-gcc/builds/1867

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

Buildslave for this Build: svn-x64-centos

Build Reason: forced: by IRC user <Bert> (privmsg): 
--branch=subversion/branches/1.9.x
Build Source Stamp: HEAD
Blamelist: 

BUILD FAILED: failed Test fsfs+ra_serf

Sincerely,
 -The Buildbot