[...]

s
  4700K .......... .......... .......... .......... .......... 97%  104M 0s
  4750K .......... .......... .......... .......... .......... 98% 64.8M 0s
  4800K .......... .......... .......... .......... .......... 99% 72.6M 0s
  4850K .......... .......... .                               100%  239M=2.7s
2019-09-21 14:57:21 (1.76 MB/s) - 'libgit2-0.28.3.tar.gz' saved [4988580/4988580]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libgit2-0.28.3-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 curl kerberos5 libssh tests
Writing git revision for tag auto/ti/libgit2-0.28.3-1
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.37588
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libgit2-0.28.3
Begin-TLD-Builder-Info
Build-Time: user:1.14s sys:0.35s real:6.34s (faults io:0 non-io:95151)
Files queued for ftp:
   4956612 libgit2-0.28.3-1.src.rpm
       186 libgit2-0.28.3-1.src.rpm.uploadinfo
End-TLD-Builder-Info