[...]

 28150K .......... .......... .......... .......... .......... 96% 11.5M 0s
 28200K .......... .......... .......... .......... .......... 96% 10.9M 0s
 28250K .......... .......... .......... .......... .......... 97% 11.5M 0s
 28300K .......... .......... .......... .......... .......... 97% 11.5M 0s
 28350K .......... .......... .......... .......... .......... 97% 10.9M 0s
 28400K .......... .......... .......... .......... .......... 97% 11.5M 0s
 28450K .......... .......... .......... .......... .......... 97% 11.5M 0s
 28500K .......... .......... .......... .......... .......... 97% 10.8M 0s
 28550K .......... .......... .......... .......... .......... 98% 11.5M 0s
 28600K .......... .......... .......... .......... .......... 98% 11.4M 0s
 28650K .......... .......... .......... .......... .......... 98% 10.9M 0s
 28700K .......... .......... .......... .......... .......... 98% 10.9M 0s
 28750K .......... .......... .......... .......... .......... 98% 11.5M 0s
 28800K .......... .......... .......... .......... .......... 98% 10.8M 0s
 28850K .......... .......... .......... .......... .......... 99% 11.5M 0s
 28900K .......... .......... .......... .......... .......... 99% 11.5M 0s
 28950K .......... .......... .......... .......... .......... 99% 10.9M 0s
 29000K .......... .......... .......... .......... .......... 99% 11.5M 0s
 29050K .......... .......... .......... .......... .......... 99% 10.8M 0s
 29100K .......... .......... .......... .......... ......... 100% 12.0M=2.6s
2016-01-20 08:58:26 (11.1 MB/s) - 'libvirt-1.2.21.tar.gz' saved [29848954/29848954]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libvirt-1.2.21-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 vserver
--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-1.2.21-1
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.90592
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libvirt-1.2.21
Begin-PLD-Builder-Info
Build-Time: user:9.01s sys:3.83s real:16.35s (faults io:26 non-io:427816)
Files queued for ftp:
  29766788 libvirt-1.2.21-1.src.rpm
       186 libvirt-1.2.21-1.src.rpm.uploadinfo
End-PLD-Builder-Info