[...]

  1900K .......... .......... .......... .......... .......... 72%  152M 0s
  1950K .......... .......... .......... .......... .......... 73% 24.2M 0s
  2000K .......... .......... .......... .......... .......... 75% 76.9M 0s
  2050K .......... .......... .......... .......... .......... 77%  120M 0s
  2100K .......... .......... .......... .......... .......... 79%  139M 0s
  2150K .......... .......... .......... .......... .......... 81% 1.54M 0s
  2200K .......... .......... .......... .......... .......... 83%  112M 0s
  2250K .......... .......... .......... .......... .......... 84%  145M 0s
  2300K .......... .......... .......... .......... .......... 86% 54.4M 0s
  2350K .......... .......... .......... .......... .......... 88%  120M 0s
  2400K .......... .......... .......... .......... .......... 90% 64.6M 0s
  2450K .......... .......... .......... .......... .......... 92%  140M 0s
  2500K .......... .......... .......... .......... .......... 94%  146M 0s
  2550K .......... .......... .......... .......... .......... 96% 1.64M 0s
  2600K .......... .......... .......... .......... .......... 97%  117M 0s
  2650K .......... .......... .......... .......... .......... 99%  126M 0s
  2700K ......                                                100% 75.5M=0.4s
2022-04-05 21:08:26 (7.37 MB/s) - 'librdkafka-1.5.2.tar.gz' saved [2771823/2771823]
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/librdkafka-1.5.2-2.src.rpm
real 0.71
user 0.35
sys 0.04
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
Available branches: master
librdkafka-1.5.2.tar.gz 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/librdkafka-1.5.2-2.src.rpm
real 0.61
user 0.31
sys 0.05
Writing git revision for tag tld/librdkafka-1.5.2-2
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.71s sys:1.22s real:6.57s (faults io:3 non-io:108957)
Files queued for ftp:
   2781398 librdkafka-1.5.2-2.src.rpm
       188 librdkafka-1.5.2-2.src.rpm.uploadinfo
End-TLD-Builder-Info