[...]

 74050K .......... .......... .......... .......... .......... 99% 1.32M 0s
 74100K .......... .......... .......... .......... .......... 99%  176M 0s
 74150K .......... .......... .......... .......... .......... 99% 1.87M 0s
 74200K .......... .......... .......... .......... .......... 99% 3.30M 0s
 74250K .......... .......... .......... .......... .......... 99% 12.1M 0s
 74300K .......... .......... .......... .......... .......... 99% 1.32M 0s
 74350K .......... .......... .......... .......... .......... 99% 12.2M 0s
 74400K .......... .......... .......... .......... .......... 99% 1.32M 0s
 74450K .......... .......... .......... .......... .......... 99% 41.8M 0s
 74500K .......... .......... .......... .......... .......... 99% 1.98M 0s
 74550K .......... .......... .......... .......... .......... 99% 3.12M 0s
 74600K .......... .......... .......... .......... .......... 99% 12.0M 0s
 74650K .......... .......... .......... ........             100% 1.59M=31s
2019-12-15 22:38:39 (2.34 MB/s) - 'nss-3.48.tar.gz' saved [76481237/76481237]
--2019-12-15 22:38:39--  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%  283M=0s
2019-12-15 22:38:39 (283 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-3.48-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 654208f up to 3.48
fatal: HEAD does not point to a branch
Writing git revision for tag auto/ti/nss-3.48-1
On detached HEAD. Use -r BRANCHNAME to override
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.89814
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf nss-3.48
Begin-TLD-Builder-Info
Build-Time: user:5.30s sys:1.51s real:41.30s (faults io:0 non-io:126845)
Files queued for ftp:
  76471059 nss-3.48-1.src.rpm
       180 nss-3.48-1.src.rpm.uploadinfo
End-TLD-Builder-Info