[...]

  3600K .......... .......... .......... .......... .......... 81%  119M 0s
  3650K .......... .......... .......... .......... .......... 82%  138M 0s
  3700K .......... .......... .......... .......... .......... 83%  132M 0s
  3750K .......... .......... .......... .......... .......... 84%  123M 0s
  3800K .......... .......... .......... .......... .......... 85%  110M 0s
  3850K .......... .......... .......... .......... .......... 86%  127M 0s
  3900K .......... .......... .......... .......... .......... 87%  138M 0s
  3950K .......... .......... .......... .......... .......... 88%  133M 0s
  4000K .......... .......... .......... .......... .......... 89%  132M 0s
  4050K .......... .......... .......... .......... .......... 90%  140M 0s
  4100K .......... .......... .......... .......... .......... 92%  137M 0s
  4150K .......... .......... .......... .......... .......... 93%  137M 0s
  4200K .......... .......... .......... .......... .......... 94%  131M 0s
  4250K .......... .......... .......... .......... .......... 95%  137M 0s
  4300K .......... .......... .......... .......... .......... 96%  134M 0s
  4350K .......... .......... .......... .......... .......... 97%  137M 0s
  4400K .......... .......... .......... .......... .......... 98%  119M 0s
  4450K .......... .......... .......... .......... .......... 99%  147M 0s
  4500K .....                                                 100% 83.6M=0.05s
2020-10-29 17:01:06 (89.3 MB/s) - 'postfix-3.5.7.tar.gz' saved [4613756/4613756]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/postfix-3.5.7-1.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-3.5.7-1
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.53899
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf postfix-3.5.7
Begin-TLD-Builder-Info
Build-Time: user:2.68s sys:2.96s real:11.87s (faults io:78 non-io:218440)
Files queued for ftp:
   4636632 postfix-3.5.7-1.src.rpm
       185 postfix-3.5.7-1.src.rpm.uploadinfo
End-TLD-Builder-Info