[...]

   250K .......... .......... .......... .......... .......... 49% 50.1M 0s
   300K .......... .......... .......... .......... .......... 57% 34.0M 0s
   350K .......... .......... .......... .......... .......... 65%  262M 0s
   400K .......... .......... .......... .......... .......... 74%  173M 0s
   450K .......... .......... .......... .......... .......... 82%  140M 0s
   500K .......... .......... .......... .......... .......... 90%  217M 0s
   550K .......... .......... .......... .......... .......... 98%  177M 0s
   600K ......                                                100%  105M=0.009s
2018-04-09 10:34:47 (67.7 MB/s) - 'iptables-1.6.1.tar.bz2' saved [620890/620890]
--2018-04-09 10:34:47--  http://df.tld-linux.org/distfiles/by-md5/2/e/2ed2b452daefe70ededd75dc0061fd07/iptables-howtos.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: 56677 (55K) [application/x-bzip2]
Saving to: 'iptables-howtos.tar.bz2'
     0K .......... .......... .......... .......... .......... 90% 27.1M 0s
    50K .....                                                 100% 63.6M=0.002s
2018-04-09 10:34:47 (28.7 MB/s) - 'iptables-howtos.tar.bz2' saved [56677/56677]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/iptables-1.6.1-5.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 batch dist_kernel ipt_IPV4OPTSSTRIP ipt_rpc static usekernelsrc vserver xt_layer7
--without:	 doc nftables pcap
Writing git revision for tag auto/ti/iptables-1.6.1-5
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.33072
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf iptables-1.6.1
Begin-TLD-Builder-Info
Build-Time: user:0.92s sys:0.25s real:2.22s (faults io:2 non-io:236219)
Files queued for ftp:
    713026 iptables-1.6.1-5.src.rpm
       186 iptables-1.6.1-5.src.rpm.uploadinfo
End-TLD-Builder-Info