[...]

Building python-pbr.spec with the following conditional flags:
 --without tests
from available:
--with   :	 bootstrap tests
--without:	 doc python2 python3
Available branches: master
Searching for tag auto/ti/python-pbr-5.4.4-1...
Searching for tag auto/ti/python-pbr-5_4_4-1...
--2020-04-18 20:00:14--  http://distfiles.pld-linux.org/by-md5/6/5/65cdc32e1a1ff56d481fc15aa8caf988/pbr-5.4.4.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: 119599 (117K) [application/x-gzip]
Saving to: 'pbr-5.4.4.tar.gz'
     0K .......... .......... .......... .......... .......... 42% 1.29M 0s
    50K .......... .......... .......... .......... .......... 85% 2.69M 0s
   100K .......... ......                                     100% 25.4M=0.06s
2020-04-18 20:00:14 (2.02 MB/s) - 'pbr-5.4.4.tar.gz' saved [119599/119599]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/python-pbr-5.4.4-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Building python-pbr.spec with the following conditional flags:
 --without tests
from available:
--with   :	 bootstrap tests
--without:	 doc python2 python3
Writing git revision for tag auto/ti/python-pbr-5.4.4-1
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.43122
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf pbr-5.4.4
Begin-TLD-Builder-Info
Build-Time: user:1.17s sys:0.49s real:3.37s (faults io:0 non-io:97750)
Files queued for ftp:
    126327 python-pbr-5.4.4-1.src.rpm
       188 python-pbr-5.4.4-1.src.rpm.uploadinfo
End-TLD-Builder-Info