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-144/2017-08-24-1452/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-08-24-1452/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-08-24-1452/samba.stdout
  
The top commit at the time of the failure was:

commit 3a719dc68c80fe28f8fc6eb1bed3eb3e581a86da
Author: Andreas Schneider <asn at samba.org>
Date:   Thu Aug 10 11:42:46 2017 +0200

    dynconfig: Use INSTALL_DIR to create directories
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12957
    
    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 Aug 24 09:29:05 CEST 2017 on sn-devel-144