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/2015-04-29-0448/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2015-04-29-0448/samba.stderr
   http://git.samba.org/autobuild.flakey/2015-04-29-0448/samba.stdout
  
The top commit at the time of the failure was:

commit 3f35c1d52ee77f7cabd52dd503565cec360f1de2
Author: Alexander Drozdov <al.drozdov at gmail.com>
Date:   Tue Apr 28 10:31:43 2015 +0300

    tdb: version 1.3.5
    
    ABI change: tdb_chainlock_read_nonblock() has been added.
    
    Signed-off-by: Alexander Drozdov <al.drozdov at gmail.com>
    Reviewed-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Wed Apr 29 00:05:29 CEST 2015 on sn-devel-104