[...]

 16300K .......... .......... .......... .......... .......... 94% 87.4M 0s
 16350K .......... .......... .......... .......... .......... 95%  243M 0s
 16400K .......... .......... .......... .......... .......... 95% 98.4M 0s
 16450K .......... .......... .......... .......... .......... 95% 10.3M 0s
 16500K .......... .......... .......... .......... .......... 95% 68.7M 0s
 16550K .......... .......... .......... .......... .......... 96%  148M 0s
 16600K .......... .......... .......... .......... .......... 96%  360M 0s
 16650K .......... .......... .......... .......... .......... 96%  371M 0s
 16700K .......... .......... .......... .......... .......... 97%  369M 0s
 16750K .......... .......... .......... .......... .......... 97%  107M 0s
 16800K .......... .......... .......... .......... .......... 97%  368M 0s
 16850K .......... .......... .......... .......... .......... 97%  373M 0s
 16900K .......... .......... .......... .......... .......... 98%  340M 0s
 16950K .......... .......... .......... .......... .......... 98%  201M 0s
 17000K .......... .......... .......... .......... .......... 98%  373M 0s
 17050K .......... .......... .......... .......... .......... 99%  344M 0s
 17100K .......... .......... .......... .......... .......... 99%  261M 0s
 17150K .......... .......... .......... .......... .......... 99%  203M 0s
 17200K .......... .......... .......... .......... .......... 99% 7.35M 0s
 17250K .......... .                                          100%  344M=0.2s
2018-05-01 18:32:01 (88.8 MB/s) - 'samba-4.8.1.tar.gz' saved [17675747/17675747]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/samba-4.8.1-1.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-4.8.1-1
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.49041
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf samba-4.8.1
Begin-TLD-Builder-Info
Build-Time: user:1.68s sys:0.39s real:3.85s (faults io:5 non-io:267457)
Files queued for ftp:
  17270750 samba-4.8.1-1.src.rpm
       183 samba-4.8.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info