Rust

Final polish for new image loading #7180

Job	Run time
Format + check + test	6m 20s
cargo-deny aarch64-apple-darwin	48s
cargo-deny aarch64-linux-android	50s
cargo-deny i686-pc-windows-gnu	49s
cargo-deny i686-pc-windows-msvc	48s
cargo-deny i686-unknown-linux-gnu	45s
cargo-deny wasm32-unknown-unknown	49s
cargo-deny x86_64-apple-darwin	51s
cargo-deny x86_64-pc-windows-gnu	56s
cargo-deny x86_64-pc-windows-msvc	54s
cargo-deny x86_64-unknown-linux-gnu	53s
cargo-deny x86_64-unknown-linux-musl	1m 0s
cargo-deny x86_64-unknown-redox	51s
Check wasm32 + wasm-bindgen	4m 4s
android	40s
Check Windows	1m 58s
	23m 16s

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