Rust

fix clippy #1254

Job	Run time
features (stable, ubuntu-latest)	5m 24s
rustfmt	11s
features (stable, macos-latest)	4m 5s
clippy (stable)	1m 25s
Release x86_64-unknown-linux-gnu	42s
clippy (beta)	1m 39s
features (stable, windows-latest)	11m 14s
Release aarch64-unknown-linux-gnu	54s
clippy (nightly)	1m 37s
features (beta, ubuntu-latest)	5m 43s
test (stable, ubuntu-latest)	57s
Release armv7-unknown-linux-gnueabihf	1m 0s
test (stable, macos-latest)	56s
Release arm-unknown-linux-gnueabihf	54s
features (beta, macos-latest)	4m 57s
test (stable, windows-latest)	3m 16s
features (beta, windows-latest)	11m 10s
Release riscv64gc-unknown-linux-gnu	43s
test (beta, ubuntu-latest)	1m 2s
Release wasm32-unknown-unknown	32s
test (beta, macos-latest)	57s
Release x86_64-apple-darwin	41s
test (beta, windows-latest)	2m 13s
Release aarch64-apple-darwin	32s
test (nightly, ubuntu-latest)	1m 1s
Release x86_64-pc-windows-msvc	2m 44s
test (nightly, macos-latest)	1m 14s
Release aarch64-pc-windows-msvc	2m 5s
test (nightly, windows-latest)	2m 28s
	1h 12m 16s

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