18:37:57.671: Using the 'memory' GSettings backend.  Your settings will not be saved or shared with other applications.
OK
+ desktop-file-validate /builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64//usr/share/applications/laby.desktop
+ /usr/lib/rpm/find-debuginfo.sh -j4 --strict-build-id -m -i --build-id-seed 0.6.4-9.fc29 --unique-debug-suffix -0.6.4-9.fc29.riscv64 --unique-debug-src-base laby-0.6.4-9.fc29.riscv64 --run-dwz --dwz-low-mem-die-limit 10000000 --dwz-max-die-limit 50000000 -S debugsourcefiles.list /builddir/build/BUILD/laby-laby-0.6.4
extracting debug info from /builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64/usr/bin/laby
BUILDSTDERR: gdb-add-index: No index was created for /builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64/usr/bin/laby
BUILDSTDERR: gdb-add-index: [Was there no debuginfo? Was there already an index?]
/usr/lib/rpm/sepdebugcrcfix: Updated 0 CRC32s, 1 CRC32s did match.
+ /usr/lib/rpm/check-buildroot
+ /usr/lib/rpm/redhat/brp-ldconfig
BUILDSTDERR: /sbin/ldconfig: Warning: ignoring configuration file that cannot be opened: /etc/ld.so.conf: No such file or directory
+ /usr/lib/rpm/brp-compress
+ /usr/lib/rpm/brp-strip-static-archive /usr/bin/strip
+ /usr/lib/rpm/brp-python-bytecompile /usr/bin/python 1
+ /usr/lib/rpm/brp-python-hardlink
+ /usr/lib/rpm/redhat/brp-mangle-shebangs
Processing files: laby-0.6.4-9.fc29.riscv64
Executing(%doc): /bin/sh -e /var/tmp/rpm-tmp.YRKdLH
+ umask 022
+ cd /builddir/build/BUILD
+ cd laby-laby-0.6.4
+ DOCDIR=/builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64/usr/share/doc/laby
+ export LC_ALL=C
+ LC_ALL=C
+ export DOCDIR
+ /usr/bin/mkdir -p /builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64/usr/share/doc/laby
+ cp -pr AUTHORS /builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64/usr/share/doc/laby
+ exit 0
Executing(%license): /bin/sh -e /var/tmp/rpm-tmp.brL4oP
+ umask 022
+ cd /builddir/build/BUILD
+ cd laby-laby-0.6.4
+ LICENSEDIR=/builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64/usr/share/licenses/laby
+ export LC_ALL=C
+ LC_ALL=C
+ export LICENSEDIR
+ /usr/bin/mkdir -p /builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64/usr/share/licenses/laby
+ cp -pr COPYRIGHT /builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64/usr/share/licenses/laby
+ cp -pr gpl-3.0.txt /builddir/build/BUILDROOT/laby-0.6.4-9.fc29.riscv64/usr/share/licenses/laby
+ exit 0
Provides: application() application(laby.desktop) laby = 0.6.4-9.fc29 laby(riscv-64) = 0.6.4-9.fc29 metainfo() metainfo(laby.appdata.xml)
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: /bin/sh libatk-1.0.so.0()(64bit) libc.so.6()(64bit) libc.so.6(GLIBC_2.27)(64bit) libcairo.so.2()(64bit) libdl.so.2()(64bit) libdl.so.2(GLIBC_2.27)(64bit) libfontconfig.so.1()(64bit) libfreetype.so.6()(64bit) libfribidi.so.0()(64bit) libgdk-x11-2.0.so.0()(64bit) libgdk_pixbuf-2.0.so.0()(64bit) libgio-2.0.so.0()(64bit) libglib-2.0.so.0()(64bit) libgobject-2.0.so.0()(64bit) libgtk-x11-2.0.so.0()(64bit) libgtksourceview-2.0.so.0()(64bit) libm.so.6()(64bit) libm.so.6(GLIBC_2.27)(64bit) libpango-1.0.so.0()(64bit) libpangocairo-1.0.so.0()(64bit) libpangoft2-1.0.so.0()(64bit) rtld(GNU_HASH)
Processing files: laby-debugsource-0.6.4-9.fc29.riscv64
RPM build errors:
BUILDSTDERR: error: Empty %files file /builddir/build/BUILD/laby-laby-0.6.4/debugsourcefiles.list
BUILDSTDERR:     Empty %files file /builddir/build/BUILD/laby-laby-0.6.4/debugsourcefiles.list
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/mockbuild/trace_decorator.py", line 96, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.6/site-packages/mockbuild/util.py", line 626, in do
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/laby.spec