[...]

from available:
--with   :	
--without:	 python python2 python3 verbose
Available branches: master
Searching for tag auto/ti/dtc-1.5.1-1...
Searching for tag auto/ti/dtc-1_5_1-1...
--2019-10-07 21:21:52--  http://distfiles.pld-linux.org/by-md5/d/5/d5b67727ee6d168fd83023e995565341/dtc-1.5.1.tar.xz
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: 155780 (152K) [application/octet-stream]
Saving to: 'dtc-1.5.1.tar.xz'
     0K .......... .......... .......... .......... .......... 32%  623K 0s
    50K .......... .......... .......... .......... .......... 65% 1.21M 0s
   100K .......... .......... .......... .......... .......... 98% 71.3M 0s
   150K ..                                                    100% 44.1M=0.1s
2019-10-07 21:21:52 (1.23 MB/s) - 'dtc-1.5.1.tar.xz' saved [155780/155780]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/dtc-1.5.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 python python2 python3 verbose
Writing git revision for tag auto/ti/dtc-1.5.1-1
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.93145
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf dtc-1.5.1
Begin-TLD-Builder-Info
Build-Time: user:1.22s sys:0.43s real:3.12s (faults io:0 non-io:108101)
Files queued for ftp:
    162862 dtc-1.5.1-1.src.rpm
       181 dtc-1.5.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info