[...]

   450K .......... .......... .......... .......... .......... 72%  321M 0s
   500K .......... .......... .......... .......... .......... 79%  291M 0s
   550K .......... .......... .......... .......... .......... 87%  310M 0s
   600K .......... .......... .......... .......... .......... 94%  277M 0s
   650K .......... .......... .......... .......              100%  317M=0.002s
2020-04-05 17:08:17 (271 MB/s) - 'iptables-1.8.4.tar.bz2' saved [704312/704312]
--2020-04-05 17:08:17--  http://df.tld-linux.org/by-md5/2/e/2ed2b452daefe70ededd75dc0061fd07/iptables-howtos.tar.bz2
Resolving df.tld-linux.org (df.tld-linux.org)... 148.251.221.233
Connecting to df.tld-linux.org (df.tld-linux.org)|148.251.221.233|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 56677 (55K) [application/x-bzip2]
Saving to: 'iptables-howtos.tar.bz2'
     0K .......... .......... .......... .......... .......... 90%  209M 0s
    50K .....                                                 100% 10202G=0s
2020-04-05 17:08:17 (231 MB/s) - 'iptables-howtos.tar.bz2' saved [56677/56677]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/iptables-1.8.4-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at f21dba5 - merged 1.8.4 from PLD
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	 batch ipt_IPV4OPTSSTRIP ipt_rpc static usekernelsrc vserver xt_layer7
--without:	 dist_kernel doc nftables pcap
Writing git revision for tag auto/ti/iptables-1.8.4-2
On detached HEAD. Use -r BRANCHNAME to override
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.45455
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf iptables-1.8.4
Begin-TLD-Builder-Info
Build-Time: user:1.57s sys:1.00s real:2.34s (faults io:0 non-io:249536)
Files queued for ftp:
    796585 iptables-1.8.4-2.src.rpm
       186 iptables-1.8.4-2.src.rpm.uploadinfo
End-TLD-Builder-Info