Great achievement! I'll wait patiently for Linux support.
Additionally, until Rust 1.49.0 is released, you can’t build for iOS unless you’re using either Rust 1.45.2 or a recent nightly.
FYI, 1.49 is available as a beta build, already, which I'd recommend over 1.45.2 and nightly.
rustup install beta
Thanks so much for the heads up! I've updated the blog post and docs to recommend the beta instead.