[...]

fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 tests
Available branches: master
--2015-05-27 06:13:03--  http://distfiles.pld-linux.org/distfiles/by-md5/e/5/e563ac516e28d33f65bc0f295f625f85/HTTP-Message-6.06.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: 50806 (50K) [application/x-gzip]
Saving to: 'HTTP-Message-6.06.tar.gz'
     0K .......... .......... .......... .......... ......... 100%  811K=0.06s
2015-05-27 06:13:03 (811 KB/s) - 'HTTP-Message-6.06.tar.gz' saved [50806/50806]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/perl-HTTP-Message-6.06-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 5fcd748... - R perl-IO-HTML - rel 2
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-HTTP-Message-6.06-2
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.30327
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf HTTP-Message-6.06
Begin-PLD-Builder-Info
Build-Time: user:2.59s sys:1.04s real:9.33s (faults io:0 non-io:160697)
Files queued for ftp:
     56016 perl-HTTP-Message-6.06-2.src.rpm
       194 perl-HTTP-Message-6.06-2.src.rpm.uploadinfo
End-PLD-Builder-Info