Fix cargo clippy #5085

Job	Run time
rust_lint (stable)	7s
rust_lint (nightly)	1m 16s
build_on_rust_1_66	2m 32s
macos_gen_conf_build (stable)	31s
macos_gen_conf_build (nightly)	39s
py_lint (c9s-nm_stable-format)	31s
rpm_build (el9)	8m 6s
py_lint (c9s-nm_stable-lint)	52s
rust_unit (stable)	1m 34s
rust_unit (nightly)	1m 31s
rust_unit (beta)	1m 40s
integ (c9s-nm_stable-integ_tier1)	8m 2s
integ (c9s-nm_stable-integ_tier2)	9m 48s
integ (c9s-nm_stable-integ_slow)	7m 18s
integ (c9s-nm_stable-rust_go)	2m 36s
integ (c9s-nm_main-integ_tier1)	8m 56s
integ (c9s-nm_main-integ_tier2)	12m 50s
integ (c9s-nm_main-integ_slow)	8m 4s
integ (c9s-nm_main-rust_go)	2m 51s
integ (c9s-nm_1.42-integ_tier1)	8m 54s
integ (c9s-nm_1.42-integ_tier2)	12m 28s
integ (c9s-nm_1.42-integ_slow)	7m 21s
integ (fed-nm_stable-integ_tier1)	20m 49s
	2h 9m 16s

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