[...]

No conditional flags passed
from available:
--with   :	
--without:	 tests
Available branches: AC-branch RA-branch master
Searching for tag auto/ti/perl-YAML-1.23-1...
Searching for tag auto/ti/perl-YAML-1_23-1...
--2018-04-14 14:45:10--  http://distfiles.pld-linux.org/distfiles/by-md5/3/c/3ccf32d2c1f7502186fabe0b9f6df5a1/YAML-1.23.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: 83566 (82K) [application/x-gzip]
Saving to: 'YAML-1.23.tar.gz'
     0K .......... .......... .......... .......... .......... 61% 1.19M 0s
    50K .......... .......... .......... .                    100%  176M=0.04s
2018-04-14 14:45:10 (1.93 MB/s) - 'YAML-1.23.tar.gz' saved [83566/83566]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/perl-YAML-1.23-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 78c2f60... - up to 1.23
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 tests
Writing git revision for tag auto/ti/perl-YAML-1.23-1
On detached HEAD. Use -r BRANCHNAME to override
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.56032
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf YAML-1.23
Begin-TLD-Builder-Info
Build-Time: user:0.65s sys:0.13s real:2.03s (faults io:2 non-io:86751)
Files queued for ftp:
     88942 perl-YAML-1.23-1.src.rpm
       186 perl-YAML-1.23-1.src.rpm.uploadinfo
End-TLD-Builder-Info