[...]

No conditional flags passed
from available:
--with   :	 tests
--without:	
Available branches: AC-branch master
Searching for tag auto/ti/perl-IPC-Run3-0.048-1...
Searching for tag auto/ti/perl-IPC-Run3-0_048-1...
--2017-04-13 07:28:39--  http://distfiles.pld-linux.org/distfiles/by-md5/5/a/5a8cec571c51a118b265cf6e24e55761/IPC-Run3-0.048.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: 20312 (20K) [application/x-gzip]
Saving to: 'IPC-Run3-0.048.tar.gz'
     0K .......... .........                                  100%  866K=0.02s
2017-04-13 07:28:39 (866 KB/s) - 'IPC-Run3-0.048.tar.gz' saved [20312/20312]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/perl-IPC-Run3-0.048-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 8f41649... - unified Source URL
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	 tests
--without:	
Writing git revision for tag auto/ti/perl-IPC-Run3-0.048-1
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.84405
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf IPC-Run3-0.048
Begin-TLD-Builder-Info
Build-Time: user:0.67s sys:0.17s real:2.10s (faults io:0 non-io:84076)
Files queued for ftp:
     24996 perl-IPC-Run3-0.048-1.src.rpm
       191 perl-IPC-Run3-0.048-1.src.rpm.uploadinfo
End-TLD-Builder-Info