Merge pull request #330 from platlas/clippy_lints #442

Job	Run time
cargo fmt	4s
cargo test nightly (macOS-latest)	1m 10s
cargo test msrv	2m 43s
Docs (macOS-latest)	59s
cargo test nightly (windows-2019)	52s
cargo clippy+test (macOS-latest)	3m 13s
Docs (windows-2019)	1m 10s
cargo test nightly (ubuntu-latest)	25s
cargo clippy+test (wasm32) (macOS-latest)	56s
cargo clippy+test (windows-2019)	1m 44s
cargo clippy+test (wasm32) (windows-2019)	1m 38s
Docs (ubuntu-latest)	14s
cargo clippy+test (ubuntu-latest)	37s
cargo clippy+test (wasm32) (ubuntu-latest)	34s
	16m 19s

Provide feedback