[...]

h prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 python2 python3 ruby tests
Writing git revision for tag auto/ti/protobuf-3.5.0-1
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.17610
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf protobuf-3.5.0
Begin-TLD-Builder-Info
Build-Time: user:0.79s sys:0.16s real:4.50s (faults io:11 non-io:116983)
Files queued for ftp:
   4543047 protobuf-3.5.0-1.src.rpm
       186 protobuf-3.5.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info