[...]

HTTP request sent, awaiting response... 200 OK
Length: 742660 (725K) [application/x-xz]
Saving to: 'iproute2-5.3.0.tar.xz'
     0K .......... .......... .......... .......... ..........  6%  210M 0s
    50K .......... .......... .......... .......... .......... 13%  278M 0s
   100K .......... .......... .......... .......... .......... 20%  241M 0s
   150K .......... .......... .......... .......... .......... 27%  234M 0s
   200K .......... .......... .......... .......... .......... 34%  247M 0s
   250K .......... .......... .......... .......... .......... 41%  282M 0s
   300K .......... .......... .......... .......... .......... 48%  262M 0s
   350K .......... .......... .......... .......... .......... 55%  288M 0s
   400K .......... .......... .......... .......... .......... 62%  219M 0s
   450K .......... .......... .......... .......... .......... 68%  284M 0s
   500K .......... .......... .......... .......... .......... 75%  284M 0s
   550K .......... .......... .......... .......... .......... 82%  283M 0s
   600K .......... .......... .......... .......... .......... 89%  250M 0s
   650K .......... .......... .......... .......... .......... 96%  240M 0s
   700K .......... .......... .....                           100%  240M=0.003s
2019-10-07 21:51:34 (254 MB/s) - 'iproute2-5.3.0.tar.xz' saved [742660/742660]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/iproute2-5.3.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 iface_descr uClibc
--without:	 atm tc
Writing git revision for tag auto/ti/iproute2-5.3.0-1
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.53661
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf iproute2-5.3.0
Begin-TLD-Builder-Info
Build-Time: user:1.50s sys:0.90s real:2.82s (faults io:0 non-io:163341)
Files queued for ftp:
    762893 iproute2-5.3.0-1.src.rpm
       186 iproute2-5.3.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info