[...]

 19350K .......... .......... .......... .......... .......... 98% 66.3M 0s
 19400K .......... .......... .......... .......... .......... 98% 77.1M 0s
 19450K .......... .......... .......... .......... .......... 98% 73.3M 0s
 19500K .......... .......... .......... .......... .......... 98%  199M 0s
 19550K .......... .......... .......... .......... .......... 99%  164M 0s
 19600K .......... .......... .......... .......... .......... 99% 62.0M 0s
 19650K .......... .......... .......... .......... .......... 99% 93.0M 0s
 19700K .......... .......... .......... .......... .......... 99%  175M 0s
 19750K .......... .......... .......                         100% 57.6M=0.2s
2017-12-30 23:11:04 (99.1 MB/s) - 'proftpd-1.3.6.tar.gz' saved [20251898/20251898]
--2017-12-30 23:11:05--  http://df.tld-linux.org/distfiles/by-md5/8/9/89ec19115d9ea7c7f4e0b0c4551e69bc/mod_clamav-0.13.tar.xz
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: 7164 (7.0K) [application/x-xz]
Saving to: 'mod_clamav-0.13.tar.xz'
     0K ......                                                100%  912M=0s
2017-12-30 23:11:05 (912 MB/s) - 'mod_clamav-0.13.tar.xz' saved [7164/7164]
--2017-12-30 23:11:05--  http://df.tld-linux.org/distfiles/by-md5/7/6/76c80b6ec9f4d079a1e27316edddbe16/ftpusers.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: 4983 (4.9K) [application/x-bzip2]
Saving to: 'ftpusers.tar.bz2'
     0K ....                                                  100% 8.99M=0.001s
2017-12-30 23:11:05 (8.99 MB/s) - 'ftpusers.tar.bz2' saved [4983/4983]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/proftpd-1.3.6-0.1.src.rpm
exit status 0
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.57497
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf proftpd-1.3.6
Begin-TLD-Builder-Info
Build-Time: user:1.52s sys:0.65s real:6.37s (faults io:161 non-io:390569)
Files queued for ftp:
  20245848 proftpd-1.3.6-0.1.src.rpm
End-TLD-Builder-Info