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-144/2018-03-02-0301/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-03-02-0301/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-03-02-0301/samba.stdout
  
The top commit at the time of the failure was:

commit 33fa6778e1d95c41733c43b2b694cd22d440e4c6
Author: Andreas Schneider <asn at samba.org>
Date:   Wed Jul 26 16:29:06 2017 +0200

    wafsamba: Build with -Wimplicit-fallthrough if supported
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Thu Mar  1 19:38:12 CET 2018 on sn-devel-144