[...]

Saving to: 'procps-ng-3.3.10.tar.xz'
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   800K                                                       100% 1267G=0.1s
2015-07-09 13:25:14 (7.53 MB/s) - 'procps-ng-3.3.10.tar.xz' saved [819880/819880]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/procps-3.3.10-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 selinux systemd tests
--without:	
Writing git revision for tag auto/ti/procps-3.3.10-1
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.2703
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf procps-ng-3.3.10
Begin-PLD-Builder-Info
Build-Time: user:3.43s sys:2.02s real:6.05s (faults io:0 non-io:256581)
Files queued for ftp:
    834305 procps-3.3.10-1.src.rpm
       185 procps-3.3.10-1.src.rpm.uploadinfo
End-PLD-Builder-Info