[...]

arning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/kernel-4.19-vanilla-4.19.12-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
WARNING! Spec name (kernel-vanilla) does not agree with package name (kernel-4.19-vanilla)
No conditional flags passed
from available:
--with   :	 verbose
--without:	 doc source
Writing git revision for tag auto/ti/kernel-4.19-vanilla-4.19.12-1
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.27562
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf kernel-4.19-vanilla-4.19.12
Begin-TLD-Builder-Info
Build-Time: user:5.54s sys:0.86s real:10.74s (faults io:0 non-io:165715)
Files queued for ftp:
 103670055 kernel-4.19-vanilla-4.19.12-1.src.rpm
       199 kernel-4.19-vanilla-4.19.12-1.src.rpm.uploadinfo
End-TLD-Builder-Info