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:

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-11-01-1232/flakey.log

The failure seems to be in the "samba-fileserver" suite, whose build logs are available here:

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-11-01-1232/samba-fileserver.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-11-01-1232/samba-fileserver.stdout
  
The top commit at the time of the failure was:

commit 790acef279dedbd93fb98165094002f038e3d265
Author: Douglas Bagnall <douglas.bagnall at catalyst.net.nz>
Date:   Thu Oct 11 12:40:50 2018 +1300

    samba-tool ntacl: remove unused imports and variables
    
    Signed-off-by: Douglas Bagnall <douglas.bagnall at catalyst.net.nz>
    Reviewed-by: Noel Power <noel.power at suse.com>
    
    Autobuild-User(master): Douglas Bagnall <dbagnall at samba.org>
    Autobuild-Date(master): Thu Nov  1 09:40:02 CET 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

[66(131)/94 at 2m13s] samba3.blackbox.valid_users (fileserver)(fileserver)
[67(132)/94 at 2m13s] samba3.blackbox.offline (fileserver)(fileserver)
[68(133)/94 at 2m14s] samba3.blackbox.shadow_copy2 NT1 (fileserver)(fileserver)
[69(216)/94 at 3m21s] samba3.blackbox.shadow_copy2 SMB3 (fileserver)(fileserver)
[70(299)/94 at 4m31s] samba3.blackbox.smbclient.forceuser_validusers (fileserver)(fileserver)
[71(300)/94 at 4m31s] samba3.blackbox.smbget (fileserver)(fileserver)
[72(310)/94 at 4m35s] samba3.blackbox.netshareenum (fileserver)(fileserver)
[73(314)/94 at 4m35s] samba3.blackbox.acl_xattr.NT1(fileserver)
[74(326)/94 at 4m41s] samba3.blackbox.acl_xattr.SMB3(fileserver)
[75(338)/94 at 4m44s] samba3.blackbox.smb2.not_casesensitive (fileserver)(fileserver)
[76(340)/94 at 4m45s] samba3.blackbox.inherit_owner.default.NT1(fileserver)
[77(359)/94 at 4m48s] samba3.blackbox.inherit_owner.default.SMB3(fileserver)
[78(378)/94 at 4m52s] samba3.blackbox.inherit_owner.full.NT1(fileserver)
[79(397)/94 at 4m56s] samba3.blackbox.inherit_owner.full.SMB3(fileserver)
[80(416)/94 at 5m1s] samba3.blackbox.inherit_owner.unix.NT1(fileserver)
[81(435)/94 at 5m6s] samba3.blackbox.inherit_owner.unix.SMB3(fileserver)
[82(454)/94 at 5m10s] samba3.blackbox.large_acl.NT1(fileserver)
[83(455)/94 at 5m11s] samba3.blackbox.large_acl.SMB3(fileserver)
[84(456)/94 at 5m12s] samba3.blackbox.give_owner(fileserver)
[85(467)/94 at 5m15s] samba3.blackbox.smbclient_tarmode.NT1(fileserver)
[86(469)/94 at 5m16s] samba3.blackbox.smbclient_tarmode.SMB3(fileserver)
[87(471)/94 at 5m17s] samba3.blackbox.smbclient_tar.NT1(fileserver)
[88(493)/94 at 5m23s] samba3.blackbox.smbclient_tar.SMB3(fileserver)
[89(515)/94 at 5m28s] samba3.blackbox.net_usershare(fileserver:local)
[90(521)/94 at 5m29s] samba3.base.delaywrite(fileserver)
[91(538)/94 at 7m12s] samba3.base.deny1(fileserver)
[92(539)/94 at 8m6s] samba3.base.deny2(fileserver)
[93(540)/94 at 9m5s] samba3.smb2.notify-inotify(fileserver)
smbtorture 4.10.0pre1-DEVELOPERBUILD
Using seed 1541071936
Testing change notify of a rename with inotify
UNEXPECTED(failure): samba3.smb2.notify-inotify.inotify-rename(fileserver)
REASON: Exception: Exception: ../source4/torture/smb2/notify.c:2511: status was NT_STATUS_CANCELLED, expected NT_STATUS_OK: smb2_notify_recv failed

FAILED (1 failures, 0 errors and 0 unexpected successes in 0 testsuites)

A summary with detailed information can be found in:
  ./bin/ab/summary
TOP 10 slowest tests
samba3.base.delaywrite(fileserver) -> 103
samba3.blackbox.shadow_copy2 SMB3 (fileserver)(fileserver) -> 70
samba3.blackbox.shadow_copy2 NT1 (fileserver)(fileserver) -> 67
samba3.base.deny2(fileserver) -> 59
samba3.base.deny1(fileserver) -> 54
samba3.smbtorture_s3.plain.OPLOCK1(fileserver) -> 31
samba3.blackbox.dfree_quota (fileserver)(fileserver) -> 19
samba3.smbtorture_s3.plain.LOCK1(fileserver) -> 11
samba3.smbtorture_s3.plain.OPLOCK2(fileserver) -> 10
samba3.smbtorture_s3.plain.IOCTL(fileserver) -> 7
ERROR: test failed with exit code 1