Tests

Prepare 0.9.0-beta.0 #1190

Job	Run time
Check doc	35s
test-ios	21s
test-cross (ubuntu-latest, powerpc-unknown-linux-gnu, stable)	1m 12s
test (ubuntu-latest, x86_64-unknown-linux-gnu, stable)	1m 10s
test-ks	46s
test (macos-latest, x86_64-apple-darwin, stable)	1m 4s
test-miri	5m 19s
test-no-std	14s
test (windows-latest, x86_64-pc-windows-gnu, stable)	4m 45s
test (windows-latest, x86_64-pc-windows-msvc, beta)	1m 46s
test (ubuntu-latest, x86_64-unknown-linux-gnu, MSRV, 1.63.0)	3m 3s
test (ubuntu-latest, sudo apt-get update ; sudo apt install gcc-multilib, i686-unknown-linux-gnu,...	1m 43s
test (ubuntu-latest, x86_64-unknown-linux-gnu, nightly, minimal_versions)	1m 26s
	23m 24s

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