[...]

 13450K .......... .......... .......... .......... .......... 93% 78.3M 0s
 13500K .......... .......... .......... .......... .......... 94% 82.9M 0s
 13550K .......... .......... .......... .......... .......... 94% 70.4M 0s
 13600K .......... .......... .......... .......... .......... 94% 79.3M 0s
 13650K .......... .......... .......... .......... .......... 95%  386M 0s
 13700K .......... .......... .......... .......... .......... 95% 5.13M 0s
 13750K .......... .......... .......... .......... .......... 95%  437M 0s
 13800K .......... .......... .......... .......... .......... 96% 72.3M 0s
 13850K .......... .......... .......... .......... .......... 96% 74.4M 0s
 13900K .......... .......... .......... .......... .......... 96% 75.7M 0s
 13950K .......... .......... .......... .......... .......... 97% 82.5M 0s
 14000K .......... .......... .......... .......... .......... 97% 77.6M 0s
 14050K .......... .......... .......... .......... .......... 97%  434M 0s
 14100K .......... .......... .......... .......... .......... 98% 72.5M 0s
 14150K .......... .......... .......... .......... .......... 98% 77.9M 0s
 14200K .......... .......... .......... .......... .......... 98% 6.68M 0s
 14250K .......... .......... .......... .......... .......... 99% 76.1M 0s
 14300K .......... .......... .......... .......... .......... 99% 79.6M 0s
 14350K .......... .......... .......... .......... ....      100%  465M=0.5s
2018-10-11 21:37:39 (26.7 MB/s) - 'libvirt-4.8.0.tar.xz' saved [14739652/14739652]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libvirt-4.8.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 wireshark
--without:	 ceph esx glusterfs hyperv libxl lxc netcf openvz phyp polkit qemu sanlock static_libs systemtap uml vbox vmware xenapi
Writing git revision for tag auto/ti/libvirt-4.8.0-1
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.58177
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libvirt-4.8.0
Begin-TLD-Builder-Info
Build-Time: user:1.19s sys:0.18s real:4.95s (faults io:195 non-io:205977)
Files queued for ftp:
  14761128 libvirt-4.8.0-1.src.rpm
       185 libvirt-4.8.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info