[...]

Cloning into 'libnfnetlink'...
Already up to date.
Available branches: AC-branch master
--2021-05-09 19:23:31--  http://distfiles.pld-linux.org/by-md5/9/8/98927583d2016a9fb1936fed992e2c5e/libnfnetlink-1.0.1.tar.bz2
Resolving distfiles.pld-linux.org... 193.239.45.41
Connecting to distfiles.pld-linux.org|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 320641 (313K) [application/x-bzip2]
Saving to: 'libnfnetlink-1.0.1.tar.bz2'
     0K .......... .......... .......... .......... .......... 15%  810K 0s
    50K .......... .......... .......... .......... .......... 31% 1.57M 0s
   100K .......... .......... .......... .......... .......... 47% 55.9M 0s
   150K .......... .......... .......... .......... .......... 63% 45.7M 0s
   200K .......... .......... .......... .......... .......... 79% 1.65M 0s
   250K .......... .......... .......... .......... .......... 95%  113M 0s
   300K .......... ...                                        100%  282M=0.1s
2021-05-09 19:23:32 (2.45 MB/s) - 'libnfnetlink-1.0.1.tar.bz2' saved [320641/320641]
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libnfnetlink-1.0.1-2.src.rpm
real 0.06
user 0.05
sys 0.01
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
Available branches: AC-branch master
libnfnetlink-1.0.1.tar.bz2 having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libnfnetlink-1.0.1-2.src.rpm
real 0.06
user 0.05
sys 0.01
Writing git revision for tag tld/libnfnetlink-1.0.1-2
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:0.80s sys:0.57s real:1.96s (faults io:0 non-io:110563)
Files queued for ftp:
    332561 libnfnetlink-1.0.1-2.src.rpm
       190 libnfnetlink-1.0.1-2.src.rpm.uploadinfo
End-TLD-Builder-Info