[...]

  3400K .......... .......... .......... .......... .......... 79%  344M 0s
  3450K .......... .......... .......... .......... .......... 80%  504M 0s
  3500K .......... .......... .......... .......... .......... 82%  508M 0s
  3550K .......... .......... .......... .......... .......... 83%  486M 0s
  3600K .......... .......... .......... .......... .......... 84%  439M 0s
  3650K .......... .......... .......... .......... .......... 85%  500M 0s
  3700K .......... .......... .......... .......... .......... 86%  506M 0s
  3750K .......... .......... .......... .......... .......... 87%  508M 0s
  3800K .......... .......... .......... .......... .......... 89%  435M 0s
  3850K .......... .......... .......... .......... .......... 90%  421M 0s
  3900K .......... .......... .......... .......... .......... 91%  411M 0s
  3950K .......... .......... .......... .......... .......... 92%  508M 0s
  4000K .......... .......... .......... .......... .......... 93%  443M 0s
  4050K .......... .......... .......... .......... .......... 94%  481M 0s
  4100K .......... .......... .......... .......... .......... 95%  498M 0s
  4150K .......... .......... .......... .......... .......... 97%  497M 0s
  4200K .......... .......... .......... .......... .......... 98%  440M 0s
  4250K .......... .......... .......... .......... .......... 99%  508M 0s
  4300K .......... .......... .....                           100%  476M=0.009s
2019-01-25 14:40:51 (452 MB/s) - 'postfix-3.3.2.tar.gz' saved [4429452/4429452]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/postfix-3.3.2-2.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-3.3.2-2
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.14527
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf postfix-3.3.2
Begin-TLD-Builder-Info
Build-Time: user:0.78s sys:0.08s real:1.64s (faults io:0 non-io:220526)
Files queued for ftp:
   4453403 postfix-3.3.2-2.src.rpm
       185 postfix-3.3.2-2.src.rpm.uploadinfo
End-TLD-Builder-Info