Merge pull request #35 from QED-it/fix_clippy_warnings #546

Job	Run time
Bitrot check	1m 33s
Book tests	1m 50s
Build target wasm32-unknown-unknown	2m 8s
Code coverage	3h 2m 1s
Build target wasm32-wasi	2m 1s
Intra-doc links	1m 55s
Rustfmt	16s
Test on ubuntu-latest	10m 52s
Test on i686-unknown-linux-gnu	23m 29s
Test on windows-latest	14m 39s
Test on i686-unknown-linux-gnu with beta features	22m 52s
Test on macOS-latest	8m 28s
Test on i686-unknown-linux-gnu with nightly features	23m 31s
Test on ubuntu-latest with beta features	10m 42s
Test on windows-latest with beta features	14m 7s
Test on macOS-latest with beta features	10m 21s
Test on ubuntu-latest with nightly features	11m 3s
Test on windows-latest with nightly features	15m 2s
Test on macOS-latest with nightly features	9m 19s
	6h 6m 9s

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