Clippy fixes - nightly, default lints #1172

Job	Run time
Clippy	5s
Test (stable)	11s
Test (1.63.0)	2m 21s
Check (aarch64-apple-darwin)	29s
Rustfmt	4s
Test (beta)	19s
Check (aarch64-apple-ios)	28s
Test (nightly)	20s
Check (aarch64-apple-tvos)	28s
Test (macos)	24s
Check (aarch64-apple-watchos)	31s
Test (windows)	1m 49s
Check (aarch64-linux-android)	32s
Check (aarch64-unknown-freebsd)	28s
Check (aarch64-unknown-linux-gnu)	30s
Check (aarch64-unknown-linux-musl)	31s
Check (aarch64-unknown-netbsd)	29s
Check (aarch64-unknown-openbsd)	32s
Check (aarch64-unknown-redox)	31s
Check (arm-linux-androideabi)	30s
Check (arm64_32-apple-watchos)	28s
Check (armv7-linux-androideabi)	28s
Check (armv7-sony-vita-newlibeabihf)	29s
Check (i686-linux-android)	28s
Check (i686-unknown-linux-gnu)	28s
Check (sparcv9-sun-solaris)	31s
Check (x86_64-apple-darwin)	30s
Check (x86_64-apple-ios)	30s
Check (x86_64-pc-solaris)	32s
Check (x86_64-pc-windows-msvc)	28s
Check (x86_64-unknown-dragonfly)	30s
Check (x86_64-unknown-freebsd)	30s
Check (x86_64-unknown-fuchsia)	28s
Check (x86_64-unknown-illumos)	29s
Check (x86_64-unknown-linux-gnu)	28s
Check (x86_64-unknown-linux-musl)	30s
Check (x86_64-unknown-netbsd)	32s
Check (x86_64-unknown-openbsd)	31s
Check (x86_64-unknown-redox)	28s
	20m 50s

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