autobuild[sn-devel-104]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-104) 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.sn-devel-104/2016-07-05-1203/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-07-05-1203/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-07-05-1203/samba.stdout
  
The top commit at the time of the failure was:

commit 978bc8681e74ffa17f96fd5d4355094c4a26691c
Author: Garming Sam <garming at catalyst.net.nz>
Date:   Mon May 9 16:14:51 2016 +1200

    kerberos: Return enc data on PREAUTH_FAILED
    
    Without the enc data, Windows clients will perform two AS-REQ causing the password
    lockout count to increase by two instead of one.
    
    Signed-off-by: Garming Sam <garming at catalyst.net.nz>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=11539
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Tue Jul  5 10:52:32 CEST 2016 on sn-devel-144