[...]

  3750K .......... .......... .......... .......... .......... 81% 55.6M 0s
  3800K .......... .......... .......... .......... .......... 82% 81.1M 0s
  3850K .......... .......... .......... .......... .......... 83% 72.2M 0s
  3900K .......... .......... .......... .......... .......... 84% 75.2M 0s
  3950K .......... .......... .......... .......... .......... 85% 1.39M 0s
  4000K .......... .......... .......... .......... .......... 86% 74.2M 0s
  4050K .......... .......... .......... .......... .......... 87% 65.2M 0s
  4100K .......... .......... .......... .......... .......... 88% 81.2M 0s
  4150K .......... .......... .......... .......... .......... 89% 40.1M 0s
  4200K .......... .......... .......... .......... .......... 90% 53.1M 0s
  4250K .......... .......... .......... .......... .......... 92% 61.9M 0s
  4300K .......... .......... .......... .......... .......... 93% 75.0M 0s
  4350K .......... .......... .......... .......... .......... 94% 57.2M 0s
  4400K .......... .......... .......... .......... .......... 95% 1.42M 0s
  4450K .......... .......... .......... .......... .......... 96% 52.2M 0s
  4500K .......... .......... .......... .......... .......... 97% 37.1M 0s
  4550K .......... .......... .......... .......... .......... 98% 68.5M 0s
  4600K .......... .......... .......... .......... .......... 99% 84.4M 0s
  4650K .......... .......... ..                              100%  182M=0.6s
2019-03-12 14:34:25 (7.77 MB/s) - 'protobuf-3.7.0.tar.gz' saved [4784675/4784675]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/protobuf-3.7.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 python2 python3 ruby tests
Writing git revision for tag auto/ti/protobuf-3.7.0-1
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.10580
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf protobuf-3.7.0
Begin-TLD-Builder-Info
Build-Time: user:0.83s sys:0.13s real:5.97s (faults io:211 non-io:144473)
Files queued for ftp:
   4758528 protobuf-3.7.0-1.src.rpm
       186 protobuf-3.7.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info