Hello rwpenney,
just tried to reproduce and collect some information for the maintainer
on a minimal buster amd64 qemu VM.
Unfortunately I could not reproduce the crash
and after 700 files I stopped my test.
Maybe you could run the wget command like that:
gdb -q -ex 'set pagination off' -ex 'set width 0' -ex run -ex bt -ex detach
-ex quit --args wget -r -k -l inf http://www.debian.org
Or you install a coredump collector like systemd-coredump and
provide the output of journalctl for that time.
In [1] are also some points to get more information into the backtrace.
Kind regards,
Bernhard
[1] https://wiki.debian.org/HowToGetABacktrace
