[...]

Saving to: 'shorewall6-lite-5.2.4.tar.bz2'
     0K .......... .......... .......... ..........           100% 93.7M=0s
2020-04-06 23:13:22 (93.7 MB/s) - 'shorewall6-lite-5.2.4.tar.bz2' saved [41474/41474]
--2020-04-06 23:13:22--  http://df.tld-linux.org/by-md5/5/3/53335f0f469ae3b3ecb4494aa36632c3/shorewall-init-5.2.4.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: 36672 (36K) [application/x-bzip2]
Saving to: 'shorewall-init-5.2.4.tar.bz2'
     0K .......... .......... .......... .....                100%  139M=0s
2020-04-06 23:13:22 (139 MB/s) - 'shorewall-init-5.2.4.tar.bz2' saved [36672/36672]
--2020-04-06 23:13:22--  http://df.tld-linux.org/by-md5/6/0/6095b2b7422bfef7867579880f3279a3/shorewall-core-5.2.4.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: 71532 (70K) [application/x-bzip2]
Saving to: 'shorewall-core-5.2.4.tar.bz2'
     0K .......... .......... .......... .......... .......... 71%  112M 0s
    50K .......... .........                                  100% 94.5M=0.001s
2020-04-06 23:13:22 (106 MB/s) - 'shorewall-core-5.2.4.tar.bz2' saved [71532/71532]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/shorewall-5.2.4-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/shorewall-5.2.4-1
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.66425
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf shorewall-5.2.4
Begin-TLD-Builder-Info
Build-Time: user:1.75s sys:1.37s real:2.91s (faults io:0 non-io:218763)
Files queued for ftp:
    983976 shorewall-5.2.4-1.src.rpm
       187 shorewall-5.2.4-1.src.rpm.uploadinfo
End-TLD-Builder-Info