[...]

 13700K .......... .......... .......... .......... .......... 93% 85.8M 0s
 13750K .......... .......... .......... .......... .......... 93% 72.4M 0s
 13800K .......... .......... .......... .......... .......... 94% 93.6M 0s
 13850K .......... .......... .......... .......... .......... 94%  296M 0s
 13900K .......... .......... .......... .......... .......... 94% 82.5M 0s
 13950K .......... .......... .......... .......... .......... 95% 84.1M 0s
 14000K .......... .......... .......... .......... .......... 95% 79.0M 0s
 14050K .......... .......... .......... .......... .......... 95%  277M 0s
 14100K .......... .......... .......... .......... .......... 96% 86.8M 0s
 14150K .......... .......... .......... .......... .......... 96% 76.0M 0s
 14200K .......... .......... .......... .......... .......... 96% 85.7M 0s
 14250K .......... .......... .......... .......... .......... 97%  285M 0s
 14300K .......... .......... .......... .......... .......... 97% 78.0M 0s
 14350K .......... .......... .......... .......... .......... 97% 86.2M 0s
 14400K .......... .......... .......... .......... .......... 98% 79.2M 0s
 14450K .......... .......... .......... .......... .......... 98%  276M 0s
 14500K .......... .......... .......... .......... .......... 99% 87.0M 0s
 14550K .......... .......... .......... .......... .......... 99% 75.2M 0s
 14600K .......... .......... .......... .......... .......... 99% 85.7M 0s
 14650K .......... .......... .......... .......... ....      100%  310M=0.1s
2018-03-12 11:41:47 (97.5 MB/s) - 'libvirt-4.1.0.tar.xz' saved [15046956/15046956]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libvirt-4.1.0-1.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 xen xenapi
Writing git revision for tag auto/ti/libvirt-4.1.0-1
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.15319
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libvirt-4.1.0
Begin-TLD-Builder-Info
Build-Time: user:1.25s sys:0.30s real:3.06s (faults io:0 non-io:197583)
Files queued for ftp:
  15069695 libvirt-4.1.0-1.src.rpm
       185 libvirt-4.1.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info