[...]

 75750K .......... .......... .......... .......... .......... 99%  116M 0s
 75800K .......... .......... .......... .......... .......... 99%  118M 0s
 75850K .......... .......... .......... .......... .......... 99%  125M 0s
 75900K .......... .......... .......... .......... .......... 99%  109M 0s
 75950K .......... .......... .......... .......... .......... 99% 2.97M 0s
 76000K .......... .......... .......... .......... .......... 99% 95.0M 0s
 76050K .......... .......... .......... .......... .......... 99%  105M 0s
 76100K .......... .......... .......... .......... .......... 99%  109M 0s
 76150K .......... .......... .......... .......... .......... 99%  107M 0s
 76200K .......... .......... .......... .......... .......... 99% 98.9M 0s
 76250K .......... .......... .......... .......... .......... 99%  108M 0s
 76300K .......... .......... .......... .......... .......... 99% 3.07M 0s
 76350K .......... .......... .......... .......... .......... 99%  119M 0s
 76400K .......... .......... .......... .......... .......... 99% 83.8M 0s
 76450K .......... .........                                  100%  122M=4.3s
2020-04-06 18:07:28 (17.3 MB/s) - 'nss-3.51.tar.gz' saved [78305125/78305125]
--2020-04-06 18:07:28--  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% 35.4M=0s
2020-04-06 18:07:28 (35.4 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-3.51-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/nss-3.51-1
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.11382
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf nss-3.51
Begin-TLD-Builder-Info
Build-Time: user:4.90s sys:1.86s real:14.26s (faults io:143 non-io:126981)
Files queued for ftp:
  78282472 nss-3.51-1.src.rpm
       180 nss-3.51-1.src.rpm.uploadinfo
End-TLD-Builder-Info