[...]

ss-3.47.tar.gz' saved [76461837/76461837]
--2019-10-30 17:23:53--  http://distfiles.pld-linux.org/by-md5/a/6/a61b375e390d9c3654eebd2031461f6b/root.der
Resolving distfiles.pld-linux.org (distfiles.pld-linux.org)... 193.239.45.41
Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1857 (1.8K) [application/x-x509-ca-cert]
Saving to: 'root.der'
     0K .                                                     100%  265M=0s
2019-10-30 17:23:53 (265 MB/s) - 'root.der' saved [1857/1857]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/nss-3.47-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/nss-3.47-1
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.99535
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf nss-3.47
Begin-TLD-Builder-Info
Build-Time: user:5.15s sys:1.28s real:15.56s (faults io:133 non-io:127619)
Files queued for ftp:
  76452749 nss-3.47-1.src.rpm
       180 nss-3.47-1.src.rpm.uploadinfo
End-TLD-Builder-Info