Rust

Slight improvements to the demo #13783

Job	Run time
Format + check + test	2m 20s
android	21s
cargo-deny aarch64-apple-darwin	38s
Check wasm32 + wasm-bindgen	2m 32s
cargo-deny aarch64-linux-android	38s
Check wasm32+atomics	1m 19s
ios	22s
cargo-deny i686-pc-windows-gnu	41s
Run tests	1m 35s
Check Windows	1m 11s
cargo-deny i686-pc-windows-msvc	38s
cargo-deny i686-unknown-linux-gnu	39s
cargo-deny wasm32-unknown-unknown	37s
cargo-deny x86_64-apple-darwin	36s
cargo-deny x86_64-pc-windows-gnu	36s
cargo-deny x86_64-pc-windows-msvc	37s
cargo-deny x86_64-unknown-linux-gnu	38s
cargo-deny x86_64-unknown-linux-musl	40s
cargo-deny x86_64-unknown-redox	42s
	17m 20s

Provide feedback