[...]

No conditional flags passed
from available:
--with   :	 tests
--without:	
Available branches: AC-branch master
Searching for tag auto/ti/perl-Path-Class-0.37-1...
Searching for tag auto/ti/perl-Path-Class-0_37-1...
--2017-04-13 07:29:35--  http://distfiles.pld-linux.org/distfiles/by-md5/1/3/13e6db714f6d5a0e62ca1c4a7fc4d0f3/Path-Class-0.37.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: 37473 (37K) [application/x-gzip]
Saving to: 'Path-Class-0.37.tar.gz'
     0K .......... .......... .......... ......               100% 1.48M=0.02s
2017-04-13 07:29:35 (1.48 MB/s) - 'Path-Class-0.37.tar.gz' saved [37473/37473]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/perl-Path-Class-0.37-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 154d82a... - updated to 0.37
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-Path-Class-0.37-1
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.86362
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf Path-Class-0.37
Begin-TLD-Builder-Info
Build-Time: user:0.79s sys:0.25s real:2.11s (faults io:0 non-io:85228)
Files queued for ftp:
     44290 perl-Path-Class-0.37-1.src.rpm
       192 perl-Path-Class-0.37-1.src.rpm.uploadinfo
End-TLD-Builder-Info