[...]

Your branch is up-to-date with 'origin/master'.
Already up-to-date.
No conditional flags passed
from available:
--with   :	
--without:	 tests
Available branches: AC-branch RA-branch master
Searching for tag auto/ti/perl-Test-Differences-0.64-1...
Searching for tag auto/ti/perl-Test-Differences-0_64-1...
--2018-04-14 14:28:22--  http://distfiles.pld-linux.org/distfiles/by-md5/e/c/ecfda620fe133e36a6e392d94ab8424d/Test-Differences-0.64.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: 12577 (12K) [application/x-gzip]
Saving to: 'Test-Differences-0.64.tar.gz'
     0K .......... ..                                         100%  235M=0s
2018-04-14 14:28:22 (235 MB/s) - 'Test-Differences-0.64.tar.gz' saved [12577/12577]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/perl-Test-Differences-0.64-1.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/perl-Test-Differences-0.64-1
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.54299
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf Test-Differences-0.64
Begin-TLD-Builder-Info
Build-Time: user:0.69s sys:0.15s real:1.95s (faults io:0 non-io:86968)
Files queued for ftp:
     18216 perl-Test-Differences-0.64-1.src.rpm
       198 perl-Test-Differences-0.64-1.src.rpm.uploadinfo
End-TLD-Builder-Info