[...]

 16850K .......... .......... .......... .......... .......... 97% 79.4M 0s
 16900K .......... .......... .......... .......... .......... 98% 78.2M 0s
 16950K .......... .......... .......... .......... .......... 98% 77.4M 0s
 17000K .......... .......... .......... .......... .......... 98%  352M 0s
 17050K .......... .......... .......... .......... .......... 99% 76.6M 0s
 17100K .......... .......... .......... .......... .......... 99% 78.8M 0s
 17150K .......... .......... .......... .......... .......... 99% 86.5M 0s
 17200K .......... .......... .......... .......... .....     100%  366M=0.2s
2018-04-13 20:01:58 (98.3 MB/s) - 'samba-4.8.0.tar.gz' saved [17659751/17659751]
--2018-04-13 20:01:58--  http://df.tld-linux.org/distfiles/by-md5/4/b/4bef017601d87f52f8c82819a3ff56ee/samba-virusfilter-0.1.4.tar.bz2
Resolving df.tld-linux.org (df.tld-linux.org)... 46.4.78.55
Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 76047 (74K) [application/x-bzip2]
Saving to: 'samba-virusfilter-0.1.4.tar.bz2'
     0K .......... .......... .......... .......... .......... 67% 35.0M 0s
    50K .......... .......... ....                            100% 63.0M=0.002s
2018-04-13 20:01:58 (40.9 MB/s) - 'samba-virusfilter-0.1.4.tar.bz2' saved [76047/76047]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/samba-4.8.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 ctdb_pcp replace system_heimdal system_libbsd
--without:	 ads avahi ceph cups dmapi ldap system_libs
Writing git revision for tag auto/ti/samba-4.8.0-1
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean): env -i TMP=/home/users/builder/tmp HOME=/home/users/builder PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.65541
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf samba-4.8.0
Begin-TLD-Builder-Info
Build-Time: user:1.75s sys:0.43s real:4.58s (faults io:100 non-io:289500)
Files queued for ftp:
  17331851 samba-4.8.0-1.src.rpm
       183 samba-4.8.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info