md5

chore: apply `unreachable_pub` lint to crates #1167

Job	Run time
set-msrv / set-msrv	4s
minimal-versions / minimal-versions	38s
test (stable)	34s
build (1.85.0, thumbv7em-none-eabi)	23s
build (stable, thumbv7em-none-eabi)	28s
test (1.85.0)	41s
build (1.85.0, wasm32-unknown-unknown)	21s
build (stable, loongarch64-unknown-linux-gnu)	24s
build (stable, wasm32-unknown-unknown)	34s
build (1.85.0, loongarch64-unknown-linux-gnu)	28s
	4m 35s

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