[...]

 18300K .......... .......... .......... .......... .......... 97% 85.4M 0s
 18350K .......... .......... .......... .......... .......... 97% 64.3M 0s
 18400K .......... .......... .......... .......... .......... 98% 42.3M 0s
 18450K .......... .......... .......... .......... .......... 98% 64.1M 0s
 18500K .......... .......... .......... .......... .......... 98% 63.4M 0s
 18550K .......... .......... .......... .......... .......... 98% 84.8M 0s
 18600K .......... .......... .......... .......... .......... 99% 60.7M 0s
 18650K .......... .......... .......... .......... .......... 99% 43.3M 0s
 18700K .......... .......... .......... .......... .......... 99% 51.1M 0s
 18750K .......... .......... .......... ..........           100%  104M=0.5s
2024-04-02 15:16:47 (34.7 MB/s) - 'harfbuzz-8.4.0.tar.xz' saved [19241260/19241260]
./builder[2756]: ulimit: unlimited exceeds allowable coredump(blocks) limit
Building target platforms: x86_64-linux
Building for target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/harfbuzz-8.4.0-1.src.rpm
real 0.52
user 0.47
sys 0.04
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
No conditional flags passed
from available:
--with   :	 tests
--without:	 graphite2 icu static_libs
Available branches: master
harfbuzz-8.4.0.tar.xz having proper md5sum already exists
./builder[2756]: ulimit: unlimited exceeds allowable coredump(blocks) limit
Building target platforms: x86_64-linux
Building for target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/harfbuzz-8.4.0-1.src.rpm
real 0.55
user 0.49
sys 0.05
Writing git revision for tag tld/harfbuzz-8.4.0-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.89s sys:0.49s real:5.30s (faults io:5 non-io:148671)
Files queued for ftp:
  19259451 harfbuzz-8.4.0-1.src.rpm
       186 harfbuzz-8.4.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info