Rust

Bump version to 20.0.1 #4220

Job	Run time
fmt	14s
build-and-test (ubuntu-latest, x86_64-unknown-linux-gnu)	5m 50s
build-and-test (ubuntu-latest, aarch64-unknown-linux-gnu)	4m 42s
build-and-test (macos-latest, x86_64-apple-darwin)	23m 41s
rust-analyzer-compat	3m 20s
build-and-test (macos-latest, aarch64-apple-darwin)	20m 47s
build-and-test (windows-latest-8-cores, x86_64-pc-windows-msvc)	7m 53s
publish-dry-run (macos-latest, aarch64-apple-darwin, --feature-powerset) / publish-dry-run	24m 7s
publish-dry-run (macos-latest, x86_64-apple-darwin, --feature-powerset) / publish-dry-run	33m 37s
publish-dry-run (ubuntu-latest, x86_64-unknown-linux-gnu, --feature-powerset) / publish-dry-run	13m 40s
publish-dry-run (ubuntu-latest, aarch64-unknown-linux-gnu, --feature-powerset) / publish-dry-run	21m 1s
publish-dry-run (windows-latest-8-cores, x86_64-pc-windows-msvc, --features opt --ignore-unknown-... / publish-dry-run	9m 15s
publish-dry-run (windows-latest-8-cores, x86_64-pc-windows-msvc) / publish-dry-run	7m 5s
complete	1s
	2h 55m 13s

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