Fix clippy #2212

Job	Run time
Lint	34s
build_versions (stable)	19s
Docs	26s
build_versions (beta)	17s
Test	37s
build_versions (1.67.0)	38s
cargo-deny (aarch64-apple-ios)	20s
Test (charset)	40s
cargo-deny (aarch64-linux-android)	19s
Test (cookies)	45s
cargo-deny (i686-pc-windows-gnu)	18s
Test (socks-proxy)	41s
cargo-deny (i686-pc-windows-msvc)	19s
Test (gzip)	43s
cargo-deny (i686-unknown-linux-gnu)	18s
cargo-deny (wasm32-unknown-unknown)	19s
Test (brotli)	39s
cargo-deny (x86_64-apple-darwin)	20s
Test (json)	39s
cargo-deny (x86_64-apple-ios)	17s
cargo-deny (x86_64-pc-windows-gnu)	17s
cargo-deny (x86_64-pc-windows-msvc)	24s
cargo-deny (x86_64-unknown-linux-gnu)	16s
cargo-deny (x86_64-unknown-redox)	18s
	10m 43s

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