[...]

K .......... .......... ..                              100% 18.9M=0.2s
2018-03-12 16:05:02 (18.6 MB/s) - 'cfitsio3420.tar.gz' saved [4836004/4836004]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/cfitsio-3.420-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/cfitsio-3.420-1
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean): env -i TMP=/home/users/builder/tmp HOME=/home/users/builder PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.23018
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf cfitsio
Begin-TLD-Builder-Info
Build-Time: user:0.79s sys:0.24s real:4.72s (faults io:8 non-io:99902)
Files queued for ftp:
   4830575 cfitsio-3.420-1.src.rpm
       185 cfitsio-3.420-1.src.rpm.uploadinfo
End-TLD-Builder-Info