[HELP] Why is this WIP Bevy platform failing?

This seems related to rust-lang/rust#91372 .

```
[nix-shell:~/code/clones/roc]$ cargo run examples/hello-rust/Hello.roc
    Finished dev [unoptimized + debuginfo] target(s) in 0.40s
     Running `target/debug/roc examples/hello-rust/Hello.roc`
🔨 Rebuilding host... Done!
Undefined symbols for architecture x86_64:
  "_AudioComponentFindNext", referenced from:
      __ZN9coreaudio10audio_unit9AudioUnit14new_with_flags17heb6ec65f112e010bE in host.o
  "_AudioComponentInstanceDispose", referenced from:
      __ZN74_$LT$coreaudio..audio_unit..AudioUnit$u20$as$u20$core..ops..drop..Drop$GT$4drop17h75c103dc6ced4686E in host.o
  "_AudioComponentInstanceNew", referenced from:
      __ZN9coreaudio10audio_unit9AudioUnit14new_with_flags17heb6ec65f112e010bE in host.o
  "_AudioObjectGetPropertyData", referenced from:
      __ZN4cpal4host9coreaudio5macos9enumerate13audio_devices17haf753430364e01ffE in host.o
      __ZN4cpal4host9coreaudio5macos9enumerate20default_input_device17h2d1534837211f2f8E in host.o
      __ZN4cpal4host9coreaudio5macos9enumerate21default_output_device17h083911c236280accE in host.o
      __ZN4cpal4host9coreaudio5macos6Device4name17h68e2f994f5671fa5E in host.o
      __ZN4cpal4host9coreaudio5macos6Device17supported_configs17h11dc942236696a63E in host.o
      __ZN4cpal4host9coreaudio5macos6Device14default_config17hdbd3efef31ad18f9E in host.o
      __ZN4cpal4host9coreaudio5macos6Device22build_input_stream_raw13rate_listener17h0d393e1cb81ceb75E in host.o
      ...
  "_AudioObjectGetPropertyDataSize", referenced from:
      __ZN4cpal4host9coreaudio5macos9enumerate13audio_devices17haf753430364e01ffE in host.o
      __ZN4cpal4host9coreaudio5macos6Device17supported_configs17h11dc942236696a63E in host.o
  "_AudioOutputUnitStart", referenced from:
      __ZN9coreaudio10audio_unit9AudioUnit5start17h3f1dd3512794e2c6E in host.o
  "_AudioOutputUnitStop", referenced from:
      __ZN9coreaudio10audio_unit9AudioUnit4stop17h8195cacdfa008254E in host.o
  "_AudioUnitGetProperty", referenced from:
      __ZN9coreaudio10audio_unit12get_property17hcf8e3ea3616b46c8E in host.o
      __ZN9coreaudio10audio_unit12get_property17h521e60fcc0df83d1E in host.o
      __ZN9coreaudio10audio_unit12get_property17hbd4c129c859bc308E in host.o
  "_AudioUnitInitialize", referenced from:
      __ZN9coreaudio10audio_unit9AudioUnit14new_with_flags17heb6ec65f112e010bE in host.o
      __ZN9coreaudio10audio_unit9AudioUnit10initialize17hb6a2c15df5611a8bE in host.o
  "_AudioUnitSetProperty", referenced from:
      __ZN9coreaudio10audio_unit12set_property17h7ac04f580fde2d6bE in host.o
      __ZN9coreaudio10audio_unit12set_property17h7fe7a189aa012be8E in host.o
      __ZN9coreaudio10audio_unit12set_property17h4c55c6b1a7e57f73E in host.o
      __ZN9coreaudio10audio_unit12set_property17he956119f0b29327cE in host.o
  "_AudioUnitUninitialize", referenced from:
      __ZN9coreaudio10audio_unit9AudioUnit12uninitialize17h3386111a26093dcbE in host.o
      __ZN74_$LT$coreaudio..audio_unit..AudioUnit$u20$as$u20$core..ops..drop..Drop$GT$4drop17h75c103dc6ced4686E in host.o
ld: symbol(s) not found for architecture x86_64

[nix-shell:~/code/clones/roc]$
```