Rust

Move stuff into `impl WgpuWinitRunning` #136

Job	Run time
Format + check + test	51s
android	28s
Check wasm32 + wasm-bindgen	3m 3s
cargo-deny aarch64-apple-darwin	41s
Check Windows	2m 36s
cargo-deny aarch64-linux-android	41s
cargo-deny i686-pc-windows-gnu	41s
cargo-deny i686-pc-windows-msvc	43s
cargo-deny i686-unknown-linux-gnu	39s
cargo-deny wasm32-unknown-unknown	1m 0s
cargo-deny x86_64-apple-darwin	53s
cargo-deny x86_64-pc-windows-gnu	43s
cargo-deny x86_64-pc-windows-msvc	40s
cargo-deny x86_64-unknown-linux-gnu	44s
cargo-deny x86_64-unknown-linux-musl	40s
cargo-deny x86_64-unknown-redox	57s
	16m 0s

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