fixes #3561 -- silence new clippy warning #7373

Job	Run time
test-debug	9m 0s
emscripten	0s
fmt	20s
semver-checks	26s
check-msrv	11m 16s
clippy/x86_64-apple-darwin/stable	25m 26s
python${{ matrix.python-version }}-${{ matrix.platform.python-architecture }} ${{ matrix.platform.os }} rust-${{ matrix.rust }}	0s
clippy/x86_64-unknown-linux-gnu/stable	8m 37s
coverage-windows	8s
clippy/powerpc64le-unknown-linux-gnu/stable	7m 45s
coverage-macos	8s
clippy/s390x-unknown-linux-gnu/stable	7m 43s
coverage-ubuntu	14m 1s
clippy/wasm32-wasi/stable	7m 47s
clippy/x86_64-pc-windows-msvc/stable	11m 49s
careful	0s
valgrind	0s
clippy/i686-pc-windows-msvc/stable	10m 55s
python3.12-x64 ubuntu-latest rust-stable / build	7m 44s
python3.12-x64 macos-latest rust-stable / build	9m 51s
python3.12-x64 windows-latest rust-stable / build	10m 39s
python3.12-x86 windows-latest rust-stable / build	8m 40s
python3.12-x64 ubuntu-latest rust-nightly / build	9m 6s
conclusion	1s
	2h 41m 22s

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