[...]

Saving to: 'kvazaar-v1.1.0.tar.gz'
     0K .......... .......... .......... .......... ..........  5% 1010K 1s
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   850K .......... .                                          100% 48.5M=0.1s
2017-10-12 08:01:02 (6.57 MB/s) - 'kvazaar-v1.1.0.tar.gz' saved [882404/882404]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/kvazaar-1.1.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 cryptopp
Writing git revision for tag auto/ti/kvazaar-1.1.0-1
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.17244
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf kvazaar-1.1.0
Begin-TLD-Builder-Info
Build-Time: user:0.54s sys:0.12s real:2.15s (faults io:0 non-io:97525)
Files queued for ftp:
    888230 kvazaar-1.1.0-1.src.rpm
       185 kvazaar-1.1.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info