Downgrade crossterm and fix compilation #665

Job	Run time
Check lib (x86_64-unknown-linux-gnu)	26s
Check (x86_64-apple-darwin)	3m 43s
Check lib (aarch64-unknown-linux-gnu)	2m 14s
Clippy (x86_64-unknown-linux-gnu)	2m 54s
Check (x86_64-unknown-linux-gnu)	2m 56s
Check lib MSRV (x86_64-unknown-linux-gnu)	33s
Check lib (armv7-unknown-linux-gnueabihf)	2m 36s
Clippy (aarch64-unknown-linux-gnu)	4m 17s
Check (x86_64-unknown-linux-musl)	2m 57s
Check lib MSRV (aarch64-unknown-linux-gnu)	2m 14s
Clippy (armv7-unknown-linux-gnueabihf)	4m 22s
Check (x86_64-pc-windows-msvc)	3m 48s
Check lib MSRV (armv7-unknown-linux-gnueabihf)	2m 5s
Rustfmt	15s
Check (aarch64-unknown-linux-gnu)	4m 16s
Check (armv7-unknown-linux-gnueabihf)	4m 17s
Unit Tests (x86_64-unknown-linux-gnu)	45s
Unit Tests (aarch64-unknown-linux-gnu)	2m 5s
Unit Tests (armv7-unknown-linux-gnueabihf)	2m 7s
	48m 50s

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