One of the mac schedulers

    /src/lte/model/fdtbfq-ff-mac-scheduler.cc

has uninitialized variables: 

[1427/2008] cxx: src/lte/model/fdtbfq-ff-mac-scheduler.cc -> build/src/lte/model/fdtbfq-ff-mac-scheduler.cc.1.o
../src/lte/model/fdtbfq-ff-mac-scheduler.cc: In member function ‘void ns3::FdTbfqFfMacScheduler::DoSchedDlTriggerReq(const ns3::FfMacSchedSapProvider::SchedDlTriggerReqParameters&)’:
../src/lte/model/fdtbfq-ff-mac-scheduler.cc:575:49: error: ‘lcid’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
../src/lte/model/fdtbfq-ff-mac-scheduler.cc:567:13: error: ‘rlcBufSize’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
cc1plus: all warnings being treated as errors
Waf: Leaving directory `<https://ns-buildmaster.ee.washington.edu:8010/job/daily-fedora-without-valgrind/./label=Fedora-32-17/ws/ns-3-allinone/ns-3-dev/build'>
Build failed
 -> task in 'ns3-lte' failed (exit status 1): 
	{task 167263468: cxx fdtbfq-ff-mac-scheduler.cc -> fdtbfq-ff-mac-scheduler.cc.1.o}
['/usr/lib/ccache/g++', '-O3', '-g', '-Wall', '-Werror', '-march=native', '-Wno-error=deprecated-declarations', '-fstrict-aliasing', '-Wstrict-aliasing', '-fPIC', '-pthread', '-pthread', '-Ibuild', '-I.', '-I/usr/include/gtk-2.0', '-I/usr/lib/gtk-2.0/include', '-I/usr/include/atk-1.0', '-I/usr/include/cairo', '-I/usr/include/gdk-pixbuf-2.0', '-I/usr/include/pango-1.0', '-I/usr/include/glib-2.0', '-I/usr/lib/glib-2.0/include', '-I/usr/include/pixman-1', '-I/usr/include/freetype2', '-I/usr/include/libpng15', '-I/usr/include/libxml2', '-DHAVE_PACKET_H=1', '-DHAVE_DL=1', '-DDL=1', '-DXML2=1', '-DSQLITE3=1', '-DHAVE_IF_TUN_H=1', '../src/lte/model/fdtbfq-ff-mac-scheduler.cc', '-c', '-o', 'src/lte/model/fdtbfq-ff-mac-scheduler.cc.1.o']
Build step 'Execute shell' marked build as failure