[...]

 28750K .......... .......... .......... .......... .......... 97% 73.7M 0s
 28800K .......... .......... .......... .......... .......... 97% 69.0M 0s
 28850K .......... .......... .......... .......... .......... 97% 88.1M 0s
 28900K .......... .......... .......... .......... .......... 97% 34.2M 0s
 28950K .......... .......... .......... .......... .......... 97% 77.1M 0s
 29000K .......... .......... .......... .......... .......... 97% 1.25M 0s
 29050K .......... .......... .......... .......... .......... 98% 82.2M 0s
 29100K .......... .......... .......... .......... .......... 98% 87.5M 0s
 29150K .......... .......... .......... .......... .......... 98% 72.5M 0s
 29200K .......... .......... .......... .......... .......... 98% 40.9M 0s
 29250K .......... .......... .......... .......... .......... 98% 36.3M 0s
 29300K .......... .......... .......... .......... .......... 98% 1.25M 0s
 29350K .......... .......... .......... .......... .......... 99% 82.1M 0s
 29400K .......... .......... .......... .......... .......... 99% 80.6M 0s
 29450K .......... .......... .......... .......... .......... 99% 81.8M 0s
 29500K .......... .......... .......... .......... .......... 99% 66.7M 0s
 29550K .......... .......... .......... .......... .......... 99% 37.1M 0s
 29600K .......... .......... .......... .......... .......... 99% 63.8M 0s
 29650K .......... .......... .......... .                    100%  804K=4.4s
2019-05-16 08:02:33 (6.55 MB/s) - 'node-v8.12.0.tar.gz' saved [30393516/30393516]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/nodejs-8.12.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 shared
--without:	 system_uv
Writing git revision for tag auto/ti/nodejs-8.12.0-1
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.46534
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf node-v8.12.0
Begin-TLD-Builder-Info
Build-Time: user:1.65s sys:0.27s real:9.13s (faults io:0 non-io:124490)
Files queued for ftp:
  30175809 nodejs-8.12.0-1.src.rpm
       185 nodejs-8.12.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info