[...]

   250K .......... .......... .......... .......... .......... 46%  356M 0s
   300K .......... .......... .......... .......... .......... 54% 78.9M 0s
   350K .......... .......... .......... .......... .......... 61% 74.2M 0s
   400K .......... .......... .......... .......... .......... 69% 90.3M 0s
   450K .......... .......... .......... .......... .......... 77%  378M 0s
   500K .......... .......... .......... .......... .......... 85% 74.2M 0s
   550K .......... .......... .......... .......... .......... 92% 81.2M 0s
   600K .......... .......... .......... .......... ......    100% 71.3M=0.008s
2018-09-20 13:04:04 (78.4 MB/s) - 'nfs-utils-2.3.3.tar.xz' saved [662280/662280]
--2018-09-20 13:04:04--  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% 26.9M 0s
    50K .......... .......... .....                           100%  269M=0.002s
2018-09-20 13:04:04 (38.8 MB/s) - 'nfs.doc.tar.gz' saved [77678/77678]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/nfs-utils-2.3.3-1.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-2.3.3-1
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.52935
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf nfs-utils-2.3.3
Begin-TLD-Builder-Info
Build-Time: user:0.61s sys:0.10s real:4.87s (faults io:195 non-io:336441)
Files queued for ftp:
    762802 nfs-utils-2.3.3-1.src.rpm
       187 nfs-utils-2.3.3-1.src.rpm.uploadinfo
End-TLD-Builder-Info