[...]

 13850K .......... .......... .......... .......... .......... 92%  177M 0s
 13900K .......... .......... .......... .......... .......... 93%  163M 0s
 13950K .......... .......... .......... .......... .......... 93%  178M 0s
 14000K .......... .......... .......... .......... .......... 93%  154M 0s
 14050K .......... .......... .......... .......... .......... 94%  181M 0s
 14100K .......... .......... .......... .......... .......... 94%  161M 0s
 14150K .......... .......... .......... .......... .......... 94%  179M 0s
 14200K .......... .......... .......... .......... .......... 95%  157M 0s
 14250K .......... .......... .......... .......... .......... 95%  165M 0s
 14300K .......... .......... .......... .......... .......... 95%  159M 0s
 14350K .......... .......... .......... .......... .......... 96%  190M 0s
 14400K .......... .......... .......... .......... .......... 96%  155M 0s
 14450K .......... .......... .......... .......... .......... 96%  191M 0s
 14500K .......... .......... .......... .......... .......... 97%  192M 0s
 14550K .......... .......... .......... .......... .......... 97%  191M 0s
 14600K .......... .......... .......... .......... .......... 97%  157M 0s
 14650K .......... .......... .......... .......... .......... 98%  182M 0s
 14700K .......... .......... .......... .......... .......... 98%  189M 0s
 14750K .......... .......... .......... .......... .......... 98%  193M 0s
 14800K .......... .......... .......... .......... .......... 99%  155M 0s
 14850K .......... .......... .......... .......... .......... 99%  192M 0s
 14900K .......... .......... .......... .......... .......... 99%  194M 0s
 14950K .......... .......... .......... ......               100%  166M=0.4s
2017-10-18 19:11:24 (37.9 MB/s) - 'go1.8.3.src.tar.gz' saved [15345996/15345996]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/golang-1.8.3-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 bootstrap cgo ext_linker shared tests verbose
Writing git revision for tag auto/ti/golang-1.8.3-2
Tag auto/ti/golang-1.8.3-2 already exists
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.16154
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf golang-1.8.3
Begin-TLD-Builder-Info
Build-Time: user:1.53s sys:0.40s real:4.19s (faults io:2 non-io:107755)
End-TLD-Builder-Info