[...]

 38250K .......... .......... .......... .......... .......... 97% 1.17M 0s
 38300K .......... .......... .......... .......... .......... 97%  101M 0s
 38350K .......... .......... .......... .......... .......... 97% 86.3M 0s
 38400K .......... .......... .......... .......... .......... 98% 58.1M 0s
 38450K .......... .......... .......... .......... .......... 98% 97.1M 0s
 38500K .......... .......... .......... .......... .......... 98% 74.9M 0s
 38550K .......... .......... .......... .......... .......... 98% 75.5M 0s
 38600K .......... .......... .......... .......... .......... 98% 67.2M 0s
 38650K .......... .......... .......... .......... .......... 98% 1.17M 0s
 38700K .......... .......... .......... .......... .......... 98%  107M 0s
 38750K .......... .......... .......... .......... .......... 98% 77.4M 0s
 38800K .......... .......... .......... .......... .......... 99%  124M 0s
 38850K .......... .......... .......... .......... .......... 99% 74.5M 0s
 38900K .......... .......... .......... .......... .......... 99% 71.9M 0s
 38950K .......... .......... .......... .......... .......... 99% 64.4M 0s
 39000K .......... .......... .......... .......... .......... 99% 82.3M 0s
 39050K .......... .......... .......... .......... .......... 99% 1.16M 0s
 39100K .......... .......... .......... .......... .......... 99% 85.2M 0s
 39150K .......... .......... .......... .......... ...       100% 86.1M=5.0s
2019-01-17 08:51:13 (7.59 MB/s) - 'ntop-5.0.1.tar.gz' saved [40133867/40133867]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ntop-5.0.1-5.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 mysql
--without:	
Writing git revision for tag auto/ti/ntop-5.0.1-5
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.54775
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf ntop-5.0.1
Begin-TLD-Builder-Info
Build-Time: user:2.34s sys:0.35s real:10.66s (faults io:5 non-io:218984)
Files queued for ftp:
  40176879 ntop-5.0.1-5.src.rpm
       182 ntop-5.0.1-5.src.rpm.uploadinfo
End-TLD-Builder-Info