[...]

 20200K .......... .......... .......... .......... .......... 95% 76.7M 0s
 20250K .......... .......... .......... .......... .......... 96%  249M 0s
 20300K .......... .......... .......... .......... .......... 96% 86.8M 0s
 20350K .......... .......... .......... .......... .......... 96% 77.4M 0s
 20400K .......... .......... .......... .......... .......... 96% 77.4M 0s
 20450K .......... .......... .......... .......... .......... 97% 22.6M 0s
 20500K .......... .......... .......... .......... .......... 97% 71.2M 0s
 20550K .......... .......... .......... .......... .......... 97% 70.9M 0s
 20600K .......... .......... .......... .......... .......... 97% 81.9M 0s
 20650K .......... .......... .......... .......... .......... 97%  274M 0s
 20700K .......... .......... .......... .......... .......... 98% 87.4M 0s
 20750K .......... .......... .......... .......... .......... 98% 1.48M 0s
 20800K .......... .......... .......... .......... .......... 98% 67.9M 0s
 20850K .......... .......... .......... .......... .......... 98% 27.6M 0s
 20900K .......... .......... .......... .......... .......... 99%  217M 0s
 20950K .......... .......... .......... .......... .......... 99% 92.3M 0s
 21000K .......... .......... .......... .......... .......... 99% 91.8M 0s
 21050K .......... .......... .......... .......... .......... 99%  231M 0s
 21100K .......... .......... ....                            100% 53.8M=1.4s
2020-03-13 22:18:55 (14.8 MB/s) - 'go1.13.8.src.tar.gz' saved [21631178/21631178]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/golang-1.13.8-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 bootstrap
--without:	 cgo ext_linker shared tests verbose
Writing git revision for tag auto/ti/golang-1.13.8-1
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.2540
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf golang-1.13.8
Begin-TLD-Builder-Info
Build-Time: user:1.86s sys:0.56s real:6.07s (faults io:6 non-io:100827)
Files queued for ftp:
  21445209 golang-1.13.8-1.src.rpm
       185 golang-1.13.8-1.src.rpm.uploadinfo
End-TLD-Builder-Info