autobuild[sn-devel-144]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-144) 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-144/2018-03-06-1535/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-03-06-1535/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-03-06-1535/samba.stdout
  
The top commit at the time of the failure was:

commit 4014499b128cab567a3b27e31ce4ee86e58be4f7
Author: Garming Sam <garming at catalyst.net.nz>
Date:   Fri Feb 16 13:26:46 2018 +1300

    ldb_tdb: Build a key value operation library
    
    This allows sharing of the originally ldb_tdb operations to the new
    ldb_mdb backend.
    
    Signed-off-by: Garming Sam <garming at catalyst.net.nz>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Tue Mar  6 01:39:16 CET 2018 on sn-devel-144