bbb-core seems to panic if PortAudio can't find a default output device

[isislovecruft]

∃!isisⒶwintermute:(master=)~/code/rust/bbb-cli ∴ RUST_BACKTRACE=1 bbb-cli repl
thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:345:21
stack backtrace:
   0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
             at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
   1: std::sys_common::backtrace::_print
             at src/libstd/sys_common/backtrace.rs:70
   2: std::panicking::default_hook::{{closure}}
             at src/libstd/sys_common/backtrace.rs:58
             at src/libstd/panicking.rs:200
   3: std::panicking::default_hook
             at src/libstd/panicking.rs:215
   4: std::panicking::rust_panic_with_hook
             at src/libstd/panicking.rs:478
   5: std::panicking::continue_panic_fmt
             at src/libstd/panicking.rs:385
   6: rust_begin_unwind
             at src/libstd/panicking.rs:312
   7: core::panicking::panic_fmt
             at src/libcore/panicking.rs:85
   8: core::panicking::panic
             at src/libcore/panicking.rs:49
   9: portaudio::PortAudio::default_output_device
  10: bbb_core::player::Player::new
  11: bbb_cli::interpreter::interpret
  12: bbb_cli::main
  13: std::rt::lang_start::{{closure}}
  14: std::panicking::try::do_call
             at src/libstd/rt.rs:49
             at src/libstd/panicking.rs:297
  15: __rust_maybe_catch_panic
             at src/libpanic_unwind/lib.rs:92
  16: std::rt::lang_start_internal
             at src/libstd/panicking.rs:276
             at src/libstd/panic.rs:388
             at src/libstd/rt.rs:48
  17: main
  18: __libc_start_main
  19: <unknown>

[clarkenciel]

Oh wow! Sorry you had to find this. It looks like the underlying issue is still open over on rust-portaudio, but since I have no idea when the fix will get merged in, I'll wrap my usage in catch_unwind.

Thanks for letting me know!