[...]

  2350K .......... .......... .......... .......... .......... 98% 5.40M 0s
  2400K .......... .......... ........                        100%  136M=0.3s
2022-02-23 21:31:12 (8.45 MB/s) - 'curl-7.81.0.tar.xz' saved [2486388/2486388]
./builder[2756]: ulimit: exceeds allowable limit
warning: line 65: It's not recommended to have unversioned Obsoletes: Obsoletes:	libcurl2
warning: line 165: It's not recommended to have unversioned Obsoletes: Obsoletes:	libcurl2-devel
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/curl-7.81.0-1.src.rpm
real 0.46
user 0.35
sys 0.05
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
warning: line 65: It's not recommended to have unversioned Obsoletes: Obsoletes:	libcurl2
warning: line 165: It's not recommended to have unversioned Obsoletes: Obsoletes:	libcurl2-devel
No conditional flags passed
from available:
--with   :	 ares gnutls rtmp
--without:	 ares gsasl http2 kerberos5 ldap rtmp ssh ssl
Available branches: AC-branch RA-branch master
curl-7.81.0.tar.xz having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
warning: line 65: It's not recommended to have unversioned Obsoletes: Obsoletes:	libcurl2
warning: line 165: It's not recommended to have unversioned Obsoletes: Obsoletes:	libcurl2-devel
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/curl-7.81.0-1.src.rpm
real 0.33
user 0.30
sys 0.03
warning: line 65: It's not recommended to have unversioned Obsoletes: Obsoletes:	libcurl2
warning: line 165: It's not recommended to have unversioned Obsoletes: Obsoletes:	libcurl2-devel
Writing git revision for tag tld/curl-7.81.0-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:2.20s sys:1.44s real:8.64s (faults io:31 non-io:154160)
Files queued for ftp:
   2506353 curl-7.81.0-1.src.rpm
       183 curl-7.81.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info