[...]

No conditional flags passed
from available:
--with   :	
--without:	 tests
Available branches: AC-branch RA-branch master
Searching for tag auto/ti/perl-Unicode-String-2.09-17...
Searching for tag auto/ti/perl-Unicode-String-2_09-17...
--2017-10-19 23:30:49--  http://distfiles.pld-linux.org/distfiles/by-md5/5/5/553e68e603723bf7c631f8701ab0d678/Unicode-String-2.09.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: 122705 (120K) [application/x-gzip]
Saving to: 'Unicode-String-2.09.tar.gz'
     0K .......... .......... .......... .......... .......... 41% 1.12M 0s
    50K .......... .......... .......... .......... .......... 83% 2.21M 0s
   100K .......... .........                                  100%  197M=0.07s
2017-10-19 23:30:49 (1.78 MB/s) - 'Unicode-String-2.09.tar.gz' saved [122705/122705]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/perl-Unicode-String-2.09-17.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/perl-Unicode-String-2.09-17
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.1794
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf Unicode-String-2.09
Begin-TLD-Builder-Info
Build-Time: user:0.53s sys:0.14s real:2.25s (faults io:0 non-io:103254)
Files queued for ftp:
    124037 perl-Unicode-String-2.09-17.src.rpm
       197 perl-Unicode-String-2.09-17.src.rpm.uploadinfo
End-TLD-Builder-Info