Attempt add single pass scan. #1604

Job	Run time
cargo check (aarch64-android)	34s
cargo clippy (windows-latest)	4m 38s
cargo check (msrv) (windows-latest)	3m 37s
cargo check (msrv) (wasm32)	47s
cargo clippy (macos-latest)	1m 22s
cargo check (msrv) (macos-latest)	57s
cargo clippy (ubuntu-latest)	1m 38s
cargo check (msrv) (ubuntu-latest)	58s
cargo doc	1m 10s
cargo clippy (wasm32)	1m 32s
cargo test (wasm32)	25s
Prime LFS Cache	4s
cargo fmt	24s
typos	4s
cargo test (windows-latest)	2m 53s
cargo test (macos-latest)	1m 27s
cargo test (ubuntu-latest)	3m 30s
	26m 0s

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