[...]

  3600K .......... .......... .......... .......... .......... 80%  193M 0s
  3650K .......... .......... .......... .......... .......... 82%  246M 0s
  3700K .......... .......... .......... .......... .......... 83%  249M 0s
  3750K .......... .......... .......... .......... .......... 84%  237M 0s
  3800K .......... .......... .......... .......... .......... 85%  201M 0s
  3850K .......... .......... .......... .......... .......... 86%  240M 0s
  3900K .......... .......... .......... .......... .......... 87%  246M 0s
  3950K .......... .......... .......... .......... .......... 88%  248M 0s
  4000K .......... .......... .......... .......... .......... 89%  207M 0s
  4050K .......... .......... .......... .......... .......... 90%  218M 0s
  4100K .......... .......... .......... .......... .......... 92%  237M 0s
  4150K .......... .......... .......... .......... .......... 93%  236M 0s
  4200K .......... .......... .......... .......... .......... 94%  205M 0s
  4250K .......... .......... .......... .......... .......... 95%  246M 0s
  4300K .......... .......... .......... .......... .......... 96%  227M 0s
  4350K .......... .......... .......... .......... .......... 97%  245M 0s
  4400K .......... .......... .......... .......... .......... 98%  214M 0s
  4450K .......... .......... .......... .......... .......... 99%  224M 0s
  4500K ......                                                100%  147M=0.02s
2020-12-03 19:19:37 (210 MB/s) - 'postfix-3.5.8.tar.gz' saved [4614733/4614733]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/postfix-3.5.8-1.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-3.5.8-1
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.56390
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf postfix-3.5.8
Begin-TLD-Builder-Info
Build-Time: user:1.53s sys:0.96s real:2.43s (faults io:0 non-io:218191)
Files queued for ftp:
   4637348 postfix-3.5.8-1.src.rpm
       191 postfix-3.5.8-1.src.rpm.uploadinfo
End-TLD-Builder-Info