Tests

Prepare 0.9.0-beta.0 #1191

Job	Run time
test (ubuntu-latest, x86_64-unknown-linux-gnu, stable)	1m 2s
test (macos-latest, x86_64-apple-darwin, stable)	1m 7s
test (windows-latest, x86_64-pc-windows-gnu, stable)	1m 41s
test (windows-latest, x86_64-pc-windows-msvc, beta)	1m 56s
test (ubuntu-latest, x86_64-unknown-linux-gnu, MSRV, 1.63.0)	3m 1s
test (ubuntu-latest, sudo apt-get update ; sudo apt install gcc-multilib, i686-unknown-linux-gnu,...	1m 39s
test-cross (ubuntu-latest, powerpc-unknown-linux-gnu, stable)	1m 23s
test (ubuntu-latest, x86_64-unknown-linux-gnu, nightly, minimal_versions)	1m 25s
test-ios	26s
test-ks	48s
test-miri	4m 58s
test-no-std	13s
Check doc	32s
	20m 11s

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