Help trying to install macrdp via Cargo build

So I've been trying to install macrdp, which seems to be built in Rust, on an Intel iMac. The project was last updated 6 months ago, so it can't be that out-of-date. And the iMac I'm trying to use, while older, is running Sequoia, which isn't that old... I had a hell of a time figuring out how to get `cargo build --release` to run at all. It's working now, mostly, after changing DYLD_LIBRARY_PATH in config.toml to DYLD_LIBRARY_FALLBACK_PATH, but still seems to be failing at this build step: ...