[...]

   250K .......... .......... .......... .......... .......... 48%  205M 0s
   300K .......... .......... .......... .......... .......... 56% 78.0M 0s
   350K .......... .......... .......... .......... .......... 64%  106M 0s
   400K .......... .......... .......... .......... .......... 72% 70.5M 0s
   450K .......... .......... .......... .......... .......... 80%  313M 0s
   500K .......... .......... .......... .......... .......... 88% 92.6M 0s
   550K .......... .......... .......... .......... .......... 96%  101M 0s
   600K .......... .......... ....                            100%  374M=0.007s
2018-04-23 21:53:27 (82.4 MB/s) - 'iptables-1.6.2.tar.bz2' saved [639785/639785]
--2018-04-23 21:53:27--  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% 26.0M 0s
    50K .....                                                 100%  115M=0.002s
2018-04-23 21:53:27 (28.1 MB/s) - 'iptables-howtos.tar.bz2' saved [56677/56677]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/iptables-1.6.2-1.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-1.6.2-1
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.24761
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf iptables-1.6.2
Begin-TLD-Builder-Info
Build-Time: user:0.63s sys:0.12s real:1.88s (faults io:0 non-io:246795)
Files queued for ftp:
    731622 iptables-1.6.2-1.src.rpm
       186 iptables-1.6.2-1.src.rpm.uploadinfo
End-TLD-Builder-Info