[...]

    50K .......... .                                          100% 57.3M=0.06s
2021-03-20 23:17:33 (988 KB/s) - 'bzip2-man-pages.tar.bz2' saved [63046/63046]
./builder[2756]: ulimit: exceeds allowable limit
warning: line 98: It's not recommended to have unversioned Obsoletes: Obsoletes:	libbzip2
warning: line 119: It's not recommended to have unversioned Obsoletes: Obsoletes:	libbzip2-devel
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/bzip2-1.0.8-1.1.src.rpm
real 0.08
user 0.06
sys 0.02
exit status 0
Writing pkgrev
builder: SMP make flags are set to -j2
Already up to date.
warning: line 98: It's not recommended to have unversioned Obsoletes: Obsoletes:	libbzip2
warning: line 119: It's not recommended to have unversioned Obsoletes: Obsoletes:	libbzip2-devel
No conditional flags passed
from available:
--with   :	 progress
--without:	 static_libs
Available branches: AC-branch RA-branch master
bzip2-1.0.8.tar.gz having proper md5sum already exists
bzip2-man-pages.tar.bz2 having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
warning: line 98: It's not recommended to have unversioned Obsoletes: Obsoletes:	libbzip2
warning: line 119: It's not recommended to have unversioned Obsoletes: Obsoletes:	libbzip2-devel
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/bzip2-1.0.8-1.1.src.rpm
real 0.10
user 0.08
sys 0.02
warning: line 98: It's not recommended to have unversioned Obsoletes: Obsoletes:	libbzip2
warning: line 119: It's not recommended to have unversioned Obsoletes: Obsoletes:	libbzip2-devel
Writing git revision for tag tld/bzip2-1.0.8-1.1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.09s sys:1.06s real:3.12s (faults io:0 non-io:183833)
Files queued for ftp:
    891325 bzip2-1.0.8-1.1.src.rpm
       185 bzip2-1.0.8-1.1.src.rpm.uploadinfo
End-TLD-Builder-Info