clippy: fix errors introduced with Rust `1.84` #5694

Job	Run time
Style/format (ubuntu-latest, feat_os_unix)	26s
Style/lint (ubuntu-latest, feat_os_unix)	1m 26s
Style/lint (macos-latest, feat_os_macos)	1m 33s
Style/spelling (ubuntu-latest, feat_os_unix)	50s
Style/toml	15s
Style/lint (windows-latest, feat_os_windows)	2m 8s
	6m 38s

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