Rust

Improve comment #12920

Job	Run time
android	27s
cargo-deny aarch64-apple-darwin	36s
Check wasm32 + wasm-bindgen	2m 19s
cargo-deny aarch64-linux-android	37s
Check wasm32+atomics	1m 24s
cargo-deny i686-pc-windows-gnu	34s
cargo-deny i686-pc-windows-msvc	38s
Format + check + test	2m 56s
ios	19s
cargo-deny i686-unknown-linux-gnu	36s
Check Windows	1m 22s
cargo-deny wasm32-unknown-unknown	39s
cargo-deny x86_64-apple-darwin	37s
cargo-deny x86_64-pc-windows-gnu	37s
cargo-deny x86_64-pc-windows-msvc	40s
cargo-deny x86_64-unknown-linux-gnu	35s
cargo-deny x86_64-unknown-linux-musl	37s
cargo-deny x86_64-unknown-redox	39s
	16m 12s

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