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-144/2017-04-30-1431/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-04-30-1431/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-04-30-1431/samba.stdout
  
The top commit at the time of the failure was:

commit 68d0c295fbe0e8795bdd26589bd564542afd5a56
Author: Andreas Schneider <asn at samba.org>
Date:   Fri Jan 27 12:11:33 2017 +0100

    mit_samba: Fix principal lookup for cross domain referral
    
    Pair-Programmed-With: Stefan Metzmacher <metze at samba.org>
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Andrew Bartlet <abartlet at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Andreas Schneider <asn at cryptomilk.org>
    Autobuild-Date(master): Sun Apr 30 03:29:35 CEST 2017 on sn-devel-144