[...]

 96850K .......... .......... .......... .......... .......... 99% 91.4M 0s
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 96950K .......... .......... .......... .......... .......... 99% 84.2M 0s
 97000K .......... .......... .......... .......... .......... 99%  331M 0s
 97050K .......... .......... .......... .......... .......... 99% 31.3M 0s
 97100K .......... .......... .......... .......... .......... 99% 14.9M 0s
 97150K .......... .......... .......... .......... .......... 99% 10.4M 0s
 97200K .......... .......... .......... .......... .......... 99% 8.55M 0s
 97250K .......... .......... .......... .......... .......... 99%  389M 0s
 97300K .......... .......... .......... .......... .......... 99% 65.9M 0s
 97350K .......... .......... .......... .......... .......... 99% 90.7M 0s
 97400K .......... .......... .......... .......... .......... 99% 75.3M 0s
 97450K .......... .......... .......... .......... .......... 99% 72.9M 0s
 97500K .......... .......... .......... .......... .......... 99% 86.1M 0s
 97550K .......... .......... .......... .......... .......... 99% 75.2M 0s
 97600K .......... .......... .......... .......... .......... 99%  191M 0s
 97650K .......... .......... .......... .......... .......... 99% 80.2M 0s
 97700K .......... .......... .......... .......... .......... 99% 78.5M 0s
 97750K .......... .......... .......                         100% 8.03M=3.0s
2019-10-14 18:24:14 (31.7 MB/s) - 'boost_1_71_0.tar.bz2' saved [100124647/100124647]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/boost-1.71.0-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 numpy python2 python3
Writing git revision for tag auto/ti/boost-1.71.0-2
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.64691
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf boost_1_71_0
Begin-TLD-Builder-Info
Build-Time: user:4.38s sys:0.80s real:25.61s (faults io:237 non-io:147718)
Files queued for ftp:
  99949841 boost-1.71.0-2.src.rpm
       184 boost-1.71.0-2.src.rpm.uploadinfo
End-TLD-Builder-Info