[...]

Building target platforms: x86_64-linux
Building for target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/AppStream-1.0.2-3.src.rpm
RPM build warnings:
    Macro expanded in comment on line 336: %{_sysconfdir}/appstream.conf
real 0.09
user 0.08
sys 0.00
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
warning: Macro expanded in comment on line 336: %{_sysconfdir}/appstream.conf
No conditional flags passed
from available:
--with   :	 apt
--without:	 apidocs compose qt qt5 qt6 static_libs vala
Available branches: master
AppStream-1.0.2.tar.xz having proper md5sum already exists
./builder[2756]: ulimit: unlimited exceeds allowable coredump(blocks) limit
warning: Macro expanded in comment on line 336: %{_sysconfdir}/appstream.conf
Building target platforms: x86_64-linux
Building for target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/AppStream-1.0.2-3.src.rpm
RPM build warnings:
    Macro expanded in comment on line 336: %{_sysconfdir}/appstream.conf
real 0.09
user 0.08
sys 0.01
warning: Macro expanded in comment on line 336: %{_sysconfdir}/appstream.conf
Writing git revision for tag tld/AppStream-1.0.2-3
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:0.89s sys:0.29s real:3.31s (faults io:0 non-io:147238)
Files queued for ftp:
   2644278 AppStream-1.0.2-3.src.rpm
       187 AppStream-1.0.2-3.src.rpm.uploadinfo
End-TLD-Builder-Info