[...]

Already on 'master'
Your branch is up-to-date with 'origin/master'.
Already up-to-date.
No conditional flags passed
from available:
--with   :	 tests
--without:	 kerberos5
Available branches: master
Searching for tag auto/ti/serf-1.3.9-1...
Searching for tag auto/ti/serf-1_3_9-1...
--2017-07-04 23:22:12--  http://distfiles.pld-linux.org/distfiles/by-md5/3/7/370a6340ff20366ab088012cd13f2b57/serf-1.3.9.tar.bz2
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: 145132 (142K) [application/x-bzip2]
Saving to: 'serf-1.3.9.tar.bz2'
     0K .......... .......... .......... .......... .......... 35% 1.02M 0s
    50K .......... .......... .......... .......... .......... 70% 2.04M 0s
   100K .......... .......... .......... .......... .         100% 75.2M=0.07s
2017-07-04 23:22:12 (1.91 MB/s) - 'serf-1.3.9.tar.bz2' saved [145132/145132]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/serf-1.3.9-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 tests
--without:	 kerberos5
Writing git revision for tag auto/ti/serf-1.3.9-1
Tag auto/ti/serf-1.3.9-1 already exists
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.79673
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf serf-1.3.9
Begin-TLD-Builder-Info
Build-Time: user:0.84s sys:0.24s real:2.19s (faults io:0 non-io:99121)
End-TLD-Builder-Info