Fix macOS installation (#602) #590

Job	Run time
Clippy (x86_64-unknown-linux-gnu)	2m 33s
Check MSRV (x86_64-unknown-linux-gnu)	2m 42s
Check (x86_64-apple-darwin)	4m 24s
Clippy (aarch64-unknown-linux-gnu)	3m 31s
Check MSRV (aarch64-unknown-linux-gnu)	3m 34s
Check lib (x86_64-unknown-linux-gnu)	47s
Check (x86_64-unknown-linux-gnu)	2m 24s
Clippy (armv7-unknown-linux-gnueabihf)	3m 6s
Check MSRV (armv7-unknown-linux-gnueabihf)	3m 7s
Check lib (aarch64-unknown-linux-gnu)	1m 49s
Check lib (armv7-unknown-linux-gnueabihf)	1m 25s
Check (x86_64-unknown-linux-musl)	2m 20s
Check (x86_64-pc-windows-msvc)	5m 8s
Rustfmt	23s
Unit Tests (x86_64-unknown-linux-gnu)	1m 15s
Check (aarch64-unknown-linux-gnu)	3m 20s
Unit Tests (aarch64-unknown-linux-gnu)	2m 12s
Check (armv7-unknown-linux-gnueabihf)	3m 9s
Unit Tests (armv7-unknown-linux-gnueabihf)	1m 48s
	48m 57s

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