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-144/2017-05-17-0335/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-05-17-0335/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-05-17-0335/samba.stdout
  
The top commit at the time of the failure was:

commit d1dc2b0e4b8387a6619b110d1344211833e0ae7c
Author: Andreas Schneider <asn at samba.org>
Date:   Mon May 8 11:44:34 2017 +0200

    ldb-samba: Fix a possible NULL pointer dereference
    
    CID: #1402566
    CID: #1402567
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Volker Lendecke <vl at samba.org>
    
    Autobuild-User(master): Volker Lendecke <vl at samba.org>
    Autobuild-Date(master): Tue May 16 16:45:43 CEST 2017 on sn-devel-144