buildbot failure in on serf-windows-x64

[buildbot]

The Buildbot has detected a new failure on builder serf-windows-x64 while 
building . Full details are available at:
    https://ci.apache.org/builders/serf-windows-x64/builds/259

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

Buildslave for this Build: svn-w2k3-ra

Build Reason: The AnyBranchScheduler scheduler named 'on-serf-1.3.x-commit' 
triggered this build
Build Source Stamp: [branch serf/branches/1.3.x] 1875933
Blamelist: jerenkrantz

BUILD FAILED: failed Build

Sincerely,
 -The Buildbot