CI: don't use swap

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Mon Mar  4 13:59:42 UTC 2019 on sn-devel-144

(adapted from from commit 7798bc14
by Andrew Bartlett)
15 jobs for abartlet-v4-9-test-no-swap in 130 minutes and 14 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #174969829
docker shared
build_ctdb

00:18:24

passed #174969832
docker shared
build_others

00:10:30

failed #174969833
docker private
build_samba

02:10:12

passed #174969839
docker private
build_samba_ad_dc

01:29:14

passed #174969824
docker shared
build_samba_ad_dc_2

00:29:39

passed #174969831
docker shared
build_samba_ctdb

00:34:43

passed #174969837
docker private
build_samba_fileserver

00:22:49

passed #174969825
docker shared
build_samba_libs

00:32:38

passed #174969819
docker shared
build_samba_none_env

00:48:24

passed #174969820
docker shared
build_samba_nopython

00:24:09

passed #174969835
docker private
build_samba_nt4

00:40:15

passed #174969823
docker shared
build_samba_o3

00:33:25

passed #174969827
docker shared
build_samba_static

00:47:09

passed #174969821
docker shared
build_samba_systemkrb5

00:16:07

passed #174969822
docker shared
build_samba_xc

00:04:19

 
Name Stage Failure
failed
build_samba Build
/dev/xvda1        317594 10480    307099   4% /builds/samba-team/devel


### df -m /tmp/samba-testbase/b11
Filesystem 1M-blocks Used Available Use% Mounted on
/dev/mapper/docker-202:1-1024066-a5fe077036020721ab5ddd84ae21ababeeee52375a845d195c091181be940d04 10229 2547 7683 25% /


ERROR: Job failed: exit code 1