Update everything and add CI #3

Job	Run time
Cross / i686-unknown-linux-gnu	1m 6s
Cross / i586-unknown-linux-gnu	1m 9s
Clippy	14s
Cross / armv7-unknown-linux-gnueabihf	1m 21s
Miri /	46s
Doc	16s
Miri / --release	40s
Test / x86_64-pc-windows-msvc	1m 5s
Toolchain / stable	24s
Toolchain / stable --release	30s
Toolchain / beta	23s
Toolchain / beta --release	30s
Test / x86_64-pc-windows-msvc --release	1m 11s
Cross / aarch64-unknown-linux-gnu	1m 11s
Toolchain / nightly	24s
Toolchain / nightly --release	29s
Format	12s
Cross / thumbv6m-none-eabi	1m 28s
	13m 19s

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