Merge pull request #1083 from Keruspe/+release-prepare #1200

Job	Run time
Check tokio02 feature	11s
Build and test (ubuntu-latest, nightly)	1m 15s
Build with no-std	11s
Build and test (ubuntu-latest, beta)	1m 41s
Checking fmt and docs	34s
Check io_safety feature (ubuntu-latest)	12s
Build and test (ubuntu-latest, stable)	1m 42s
Check io_safety feature (windows-latest)	1m 10s
Check wasm targets (nightly)	2m 49s
Build and test (windows-latest, nightly)	2m 43s
Cross compile (i686-unknown-linux-gnu)	1m 50s
Check wasm targets (beta)	2m 47s
Build and test (windows-latest, beta)	2m 47s
Cross compile (powerpc-unknown-linux-gnu)	2m 5s
Check wasm targets (stable)	2m 46s
Build and test (windows-latest, stable)	2m 36s
Cross compile (powerpc64-unknown-linux-gnu)	2m 3s
Build and test (macOS-latest, nightly)	1m 33s
Cross compile (arm-linux-androideabi)	3m 27s
Build and test (macOS-latest, beta)	1m 49s
Build and test (macOS-latest, stable)	1m 9s
	37m 20s

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