[...]

No conditional flags passed
from available:
--with   :	 qt5
--without:	
Available branches: master
Searching for tag auto/ti/wkhtmltopdf-0.12.2.4-1...
Searching for tag auto/ti/wkhtmltopdf-0_12_2_4-1...
--2017-07-04 22:11:56--  http://distfiles.pld-linux.org/distfiles/by-md5/c/8/c8555f1c66b61cb11c6c9ff37d0d2280/wkhtmltopdf-0.12.2.4.tar.gz
Resolving distfiles.pld-linux.org (distfiles.pld-linux.org)... 193.239.45.41
Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 127595 (125K) [application/x-gzip]
Saving to: 'wkhtmltopdf-0.12.2.4.tar.gz'
     0K .......... .......... .......... .......... .......... 40% 1.01M 0s
    50K .......... .......... .......... .......... .......... 80% 2.03M 0s
   100K .......... .......... ....                            100% 64.5M=0.07s
2017-07-04 22:11:56 (1.67 MB/s) - 'wkhtmltopdf-0.12.2.4.tar.gz' saved [127595/127595]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/wkhtmltopdf-0.12.2.4-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 qt5
--without:	
Writing git revision for tag auto/ti/wkhtmltopdf-0.12.2.4-1
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.51858
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf wkhtmltopdf-0.12.2.4
Begin-TLD-Builder-Info
Build-Time: user:0.91s sys:0.26s real:2.51s (faults io:0 non-io:78183)
Files queued for ftp:
    132390 wkhtmltopdf-0.12.2.4-1.src.rpm
       192 wkhtmltopdf-0.12.2.4-1.src.rpm.uploadinfo
End-TLD-Builder-Info