Rust

fix clippy #1233

Job	Run time
clippy (stable)	1m 29s
rustfmt	13s
clippy (beta)	1m 46s
features (stable, ubuntu-latest)	5m 5s
Release x86_64-unknown-linux-gnu	48s
clippy (nightly)	1m 32s
features (stable, macos-latest)	5m 11s
Release aarch64-unknown-linux-gnu	53s
test (stable, ubuntu-latest)	1m 4s
features (stable, windows-latest)	9m 37s
Release armv7-unknown-linux-gnueabihf	1m 2s
features (beta, ubuntu-latest)	5m 17s
test (stable, macos-latest)	1m 27s
Release arm-unknown-linux-gnueabihf	1m 2s
test (stable, windows-latest)	2m 43s
features (beta, macos-latest)	4m 22s
Release riscv64gc-unknown-linux-gnu	54s
test (beta, ubuntu-latest)	1m 6s
features (beta, windows-latest)	10m 5s
Release wasm32-unknown-unknown	34s
test (beta, macos-latest)	54s
Release x86_64-apple-darwin	47s
test (beta, windows-latest)	2m 28s
Release aarch64-apple-darwin	44s
test (nightly, ubuntu-latest)	55s
Release x86_64-pc-windows-msvc	1m 46s
test (nightly, macos-latest)	1m 24s
Release aarch64-pc-windows-msvc	1m 55s
test (nightly, windows-latest)	2m 30s
	1h 9m 33s

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