[...]

   500K .......... .......... .......... .......... .......... 92% 64.2M 0s
   550K .......... .......... .......... .......... ....      100% 1.52M=0.3s
2022-04-06 10:10:44 (2.15 MB/s) - 'libusb-1.0.25.tar.bz2' saved [609127/609127]
./builder[2756]: ulimit: exceeds allowable limit
warning: line 30: It's not recommended to have unversioned Obsoletes: Obsoletes:	libusb0.1
warning: line 54: It's not recommended to have unversioned Obsoletes: Obsoletes:	libusb0.1-devel
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libusb-1.0.25-1.src.rpm
real 0.26
user 0.11
sys 0.03
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
warning: line 30: It's not recommended to have unversioned Obsoletes: Obsoletes:	libusb0.1
warning: line 54: It's not recommended to have unversioned Obsoletes: Obsoletes:	libusb0.1-devel
No conditional flags passed
from available:
--with   :	 tests
--without:	 apidocs static_libs udev
Available branches: AC-branch RA-branch master
libusb-1.0.25.tar.bz2 having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
warning: line 30: It's not recommended to have unversioned Obsoletes: Obsoletes:	libusb0.1
warning: line 54: It's not recommended to have unversioned Obsoletes: Obsoletes:	libusb0.1-devel
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libusb-1.0.25-1.src.rpm
real 0.21
user 0.12
sys 0.05
warning: line 30: It's not recommended to have unversioned Obsoletes: Obsoletes:	libusb0.1
warning: line 54: It's not recommended to have unversioned Obsoletes: Obsoletes:	libusb0.1-devel
Writing git revision for tag tld/libusb-1.0.25-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.40s sys:1.46s real:5.15s (faults io:5 non-io:114759)
Files queued for ftp:
    620232 libusb-1.0.25-1.src.rpm
       185 libusb-1.0.25-1.src.rpm.uploadinfo
End-TLD-Builder-Info