buildbot failure in ASF Buildbot on avro-trunk-rat-report

[buildbot]

The Buildbot has detected a new failure on builder avro-trunk-rat-report while 
building ASF Buildbot. Full details are available at:
    http://ci.apache.org/builders/avro-trunk-rat-report/builds/9

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

Buildslave for this Build: bb-vm_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 'AvroTrunk' triggered this 
build
Build Source Stamp: [branch avro/trunk] 1690745
Blamelist: tomwhite

BUILD FAILED: failed

Sincerely,
 -The Buildbot