[...]

  8800K .......... .......... .......... .......... .......... 99%  102M 0s
  8850K .......... .......... .......... .......... .....     100% 1.84M=0.6s
2021-05-05 19:03:27 (14.0 MB/s) - 'elfutils-0.183.tar.bz2' saved [9109254/9109254]
./builder[2756]: ulimit: exceeds allowable limit
warning: line 85: It's not recommended to have unversioned Obsoletes: Obsoletes:	libelf-devel
warning: line 126: It's not recommended to have unversioned Obsoletes: Obsoletes:	libelf-static
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/elfutils-0.183-1.src.rpm
real 0.59
user 0.56
sys 0.03
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
warning: line 85: It's not recommended to have unversioned Obsoletes: Obsoletes:	libelf-devel
warning: line 126: It's not recommended to have unversioned Obsoletes: Obsoletes:	libelf-static
No conditional flags passed
from available:
--with   :	
--without:	 debuginfod tests
Available branches: AC-branch master
elfutils-0.183.tar.bz2 having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
warning: line 85: It's not recommended to have unversioned Obsoletes: Obsoletes:	libelf-devel
warning: line 126: It's not recommended to have unversioned Obsoletes: Obsoletes:	libelf-static
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/elfutils-0.183-1.src.rpm
real 0.62
user 0.56
sys 0.03
warning: line 85: It's not recommended to have unversioned Obsoletes: Obsoletes:	libelf-devel
warning: line 126: It's not recommended to have unversioned Obsoletes: Obsoletes:	libelf-static
Writing git revision for tag tld/elfutils-0.183-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:2.39s sys:1.19s real:4.38s (faults io:0 non-io:228470)
Files queued for ftp:
   9134089 elfutils-0.183-1.src.rpm
       186 elfutils-0.183-1.src.rpm.uploadinfo
End-TLD-Builder-Info