[...]

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 189: %{_datadir}/gocode/src/kernel.org/pub/linux/libs/security/libcap
warning: Macro expanded in comment on line 191: %{_libdir}/golang/src/libcap
No conditional flags passed
from available:
--with   :	 golang
--without:	
Available branches: AC-branch LINUX_2_3 RA-branch master
libcap-2.74.tar.xz having proper md5sum already exists
./builder[2768]: ulimit: unlimited exceeds allowable coredump(blocks) limit
Updating .distbcond
warning: Macro expanded in comment on line 189: %{_datadir}/gocode/src/kernel.org/pub/linux/libs/security/libcap
warning: Macro expanded in comment on line 191: %{_libdir}/golang/src/libcap
Building target platforms: x86_64-linux
Building for target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/libcap-2.74-1.src.rpm
RPM build warnings:
    Macro expanded in comment on line 189: %{_datadir}/gocode/src/kernel.org/pub/linux/libs/security/libcap
    Macro expanded in comment on line 191: %{_libdir}/golang/src/libcap
real 0.04
user 0.02
sys 0.01
warning: Macro expanded in comment on line 189: %{_datadir}/gocode/src/kernel.org/pub/linux/libs/security/libcap
warning: Macro expanded in comment on line 191: %{_libdir}/golang/src/libcap
Writing git revision for tag tld/libcap-2.74-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.02s sys:0.35s real:3.38s (faults io:0 non-io:152743)
Files queued for ftp:
    216048 libcap-2.74-1.src.rpm
       183 libcap-2.74-1.src.rpm.uploadinfo
End-TLD-Builder-Info