[...]

  3250K .......... .......... .......... .......... .......... 77% 8.12M 0s
  3300K .......... .......... .......... .......... .......... 79% 8.84M 0s
  3350K .......... .......... .......... .......... .......... 80% 10.8M 0s
  3400K .......... .......... .......... .......... .......... 81% 11.6M 0s
  3450K .......... .......... .......... .......... .......... 82% 9.08M 0s
  3500K .......... .......... .......... .......... .......... 83% 7.74M 0s
  3550K .......... .......... .......... .......... .......... 84% 7.57M 0s
  3600K .......... .......... .......... .......... .......... 86% 8.53M 0s
  3650K .......... .......... .......... .......... .......... 87% 9.29M 0s
  3700K .......... .......... .......... .......... .......... 88% 8.90M 0s
  3750K .......... .......... .......... .......... .......... 89% 11.5M 0s
  3800K .......... .......... .......... .......... .......... 90% 11.5M 0s
  3850K .......... .......... .......... .......... .......... 92% 9.75M 0s
  3900K .......... .......... .......... .......... .......... 93% 7.78M 0s
  3950K .......... .......... .......... .......... .......... 94% 8.17M 0s
  4000K .......... .......... .......... .......... .......... 95% 8.46M 0s
  4050K .......... .......... .......... .......... .......... 96% 9.23M 0s
  4100K .......... .......... .......... .......... .......... 97% 9.87M 0s
  4150K .......... .......... .......... .......... .......... 99% 10.0M 0s
  4200K .......... .......... .......... .......              100% 8.62M=0.5s
2016-10-28 20:05:35 (8.31 MB/s) - 'postfix-3.1.3.tar.gz' saved [4338730/4338730]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/postfix-3.1.3-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 cdb epoll ldap mysql pgsql sasl sqlite ssl
Writing git revision for tag auto/ti/postfix-3.1.3-1
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.72877
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf postfix-3.1.3
Begin-TLD-Builder-Info
Build-Time: user:4.30s sys:3.06s real:7.59s (faults io:0 non-io:213316)
Files queued for ftp:
   4361138 postfix-3.1.3-1.src.rpm
       185 postfix-3.1.3-1.src.rpm.uploadinfo
End-TLD-Builder-Info