[...]

Building for target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/man-db-2.13.1-1.src.rpm
RPM build warnings:
    Macro expanded in comment on line 150: %{systemdunitdir}/man-db.timer
real 0.23
user 0.13
sys 0.07
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 149: %{systemdunitdir}/man-db.timer
No conditional flags passed
from available:
--with   :	
--without:	 tests
Available branches: master
man-db-2.13.1.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 150: %{systemdunitdir}/man-db.timer
Building target platforms: x86_64-linux
Building for target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/man-db-2.13.1-1.src.rpm
RPM build warnings:
    Macro expanded in comment on line 150: %{systemdunitdir}/man-db.timer
real 0.23
user 0.10
sys 0.08
warning: Macro expanded in comment on line 150: %{systemdunitdir}/man-db.timer
Writing git revision for tag tld/man-db-2.13.1-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.73s sys:2.43s real:6.36s (faults io:5 non-io:246393)
Files queued for ftp:
   2136501 man-db-2.13.1-1.src.rpm
       185 man-db-2.13.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info