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-104/2016-07-26-2004/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-07-26-2004/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-07-26-2004/samba.stdout
  
The top commit at the time of the failure was:

commit add64427fd0364e849bea0c28e7f962b085e2aa9
Author: Andrew Bartlett <abartlet at samba.org>
Date:   Tue Jul 26 14:17:47 2016 +1200

    ldb_ldb: Do not re-scan the index list for new DNs
    
    This DN can not already be in the list, because it is being
    added to this DB for the first time just now.
    
    Signed-off-by: Andrew Bartlett <abartlet at samba.org>
    Signed-off-by: Douglas Bagnall <douglas.bagnall at catalyst.net.nz>
    Pair-programmed-with: Douglas Bagnall <douglas.bagnall at catalyst.net.nz>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Tue Jul 26 16:42:16 CEST 2016 on sn-devel-144