[...]

Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 739656 (722K) [application/x-bzip2]
Saving to: 'pixman-0.34.0.tar.bz2'
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   700K .......... .......... ..                              100%  181M=0.1s
2017-07-04 21:47:48 (5.73 MB/s) - 'pixman-0.34.0.tar.bz2' saved [739656/739656]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/pixman-0.34.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 tests
Writing git revision for tag auto/ti/pixman-0.34.0-1
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.34012
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf pixman-0.34.0
Begin-TLD-Builder-Info
Build-Time: user:0.81s sys:0.25s real:3.32s (faults io:3 non-io:89575)
Files queued for ftp:
    744207 pixman-0.34.0-1.src.rpm
       185 pixman-0.34.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info