Merge pull request #1085 from Keruspe/release-prepare #1197

Job	Run time
Build with no-std	13s
Build and test (ubuntu-latest, nightly)	1m 13s
Checking fmt and docs	32s
Build and test (ubuntu-latest, beta)	1m 46s
Check io_safety feature (ubuntu-latest)	15s
Build and test (ubuntu-latest, stable)	1m 51s
Check io_safety feature (windows-latest)	59s
Build and test (windows-latest, nightly)	2m 43s
Check wasm targets (nightly)	2m 50s
Build and test (windows-latest, beta)	2m 47s
Check wasm targets (beta)	2m 47s
Build and test (windows-latest, stable)	2m 43s
Check wasm targets (stable)	3m 19s
Cross compile (i686-unknown-linux-gnu)	1m 52s
Build and test (macOS-latest, nightly)	1m 15s
Cross compile (powerpc-unknown-linux-gnu)	2m 7s
Build and test (macOS-latest, beta)	1m 29s
Cross compile (powerpc64-unknown-linux-gnu)	1m 59s
Build and test (macOS-latest, stable)	1m 3s
Cross compile (arm-linux-androideabi)	3m 40s
Check tokio02 feature	14s
	37m 37s

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