[...]

Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 196649 (192K) [application/x-gzip]
Saving to: 'vsftpd-3.0.3.tar.gz'
     0K .......... .......... .......... .......... .......... 26% 1.54M 0s
    50K .......... .......... .......... .......... .......... 52% 4.10M 0s
   100K .......... .......... .......... .......... .......... 78% 6.20M 0s
   150K .......... .......... .......... .......... ..        100% 7.79M=0.06s
2016-04-13 07:20:29 (3.30 MB/s) - 'vsftpd-3.0.3.tar.gz' saved [196649/196649]
--2016-04-13 07:20:29--  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% 19.0M=0s
2016-04-13 07:20:29 (19.0 MB/s) - 'ftpusers.tar.bz2' saved [4983/4983]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/vsftpd-3.0.3-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 clamav
--without:	
Writing git revision for tag auto/ti/vsftpd-3.0.3-1
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.51799
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf vsftpd-3.0.3
Begin-PLD-Builder-Info
Build-Time: user:3.10s sys:2.36s real:5.40s (faults io:0 non-io:182206)
Files queued for ftp:
    216421 vsftpd-3.0.3-1.src.rpm
       184 vsftpd-3.0.3-1.src.rpm.uploadinfo
End-PLD-Builder-Info