[...]

   250K .......... .......... .......... .......... .......... 48%  213M 0s
   300K .......... .......... .......... .......... .......... 56% 79.6M 0s
   350K .......... .......... .......... .......... .......... 64% 80.5M 0s
   400K .......... .......... .......... .......... .......... 72% 89.6M 0s
   450K .......... .......... .......... .......... .......... 80%  330M 0s
   500K .......... .......... .......... .......... .......... 88% 91.0M 0s
   550K .......... .......... .......... .......... .......... 96% 73.9M 0s
   600K .......... .......... ..                              100%  274M=0.008s
2018-01-19 12:45:54 (71.7 MB/s) - 'nfs-utils-2.3.1.tar.xz' saved [637776/637776]
--2018-01-19 12:45:54--  http://df.tld-linux.org/distfiles/by-md5/a/e/ae7db9c61c5ad04f83bb99e5caed73da/nfs.doc.tar.gz
Resolving df.tld-linux.org (df.tld-linux.org)... 46.4.78.55
Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 77678 (76K) [application/x-gzip]
Saving to: 'nfs.doc.tar.gz'
     0K .......... .......... .......... .......... .......... 65% 21.0M 0s
    50K .......... .......... .....                           100%  152M=0.002s
2018-01-19 12:45:54 (29.8 MB/s) - 'nfs.doc.tar.gz' saved [77678/77678]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/nfs-utils-2.3.1-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 krb5
--without:	 tirpc
Writing git revision for tag auto/ti/nfs-utils-2.3.1-2
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.19707
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf nfs-utils-2.3.1
Begin-TLD-Builder-Info
Build-Time: user:0.94s sys:0.34s real:2.71s (faults io:0 non-io:319261)
Files queued for ftp:
    738309 nfs-utils-2.3.1-2.src.rpm
       187 nfs-utils-2.3.1-2.src.rpm.uploadinfo
End-TLD-Builder-Info