Rust

Small touch-ups of the event loop #147

Job	Run time
Format + check + test	2m 46s
android	28s
Check wasm32 + wasm-bindgen	55s
cargo-deny aarch64-apple-darwin	40s
Check Windows	2m 40s
cargo-deny aarch64-linux-android	53s
cargo-deny i686-pc-windows-gnu	48s
cargo-deny i686-pc-windows-msvc	42s
cargo-deny i686-unknown-linux-gnu	41s
cargo-deny wasm32-unknown-unknown	43s
cargo-deny x86_64-apple-darwin	40s
cargo-deny x86_64-pc-windows-gnu	41s
cargo-deny x86_64-pc-windows-msvc	45s
cargo-deny x86_64-unknown-linux-gnu	54s
cargo-deny x86_64-unknown-linux-musl	43s
cargo-deny x86_64-unknown-redox	42s
	15m 41s

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