autobuild: intermittent test failure detected

[autobuild]

The autobuild test system has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey/2014-07-19-1539/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2014-07-19-1539/samba.stderr
   http://git.samba.org/autobuild.flakey/2014-07-19-1539/samba.stdout
  
The top commit at the time of the failure was:

commit d90f3323ee001080645dcd25da8b8ce1367b1377
Author: Stefan Metzmacher <metze at samba.org>
Date:   Thu Jul 17 16:05:12 2014 +0200

    s4:torture/rpc: add rpc.netlogon.ServerReqChallengeGlobal
    
    This demonstrates that the challenge table should be global.
    
    Bug: https://bugzilla.samba.org/show_bug.cgi?id=10723
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Stefan Metzmacher <metze at samba.org>
    Autobuild-Date(master): Sat Jul 19 12:51:39 CEST 2014 on sn-devel-104