release 0.30.4 (#149) #806

Job	Run time
Test stable ubuntu-latest --no-default-features	1m 42s
rustfmt	7s
Test stable ubuntu-latest	2m 3s
Test stable ubuntu-latest --all-features	2m 15s
Test stable macos-latest --no-default-features	2m 53s
Test stable macos-latest	3m 32s
Test stable macos-latest --all-features	6m 16s
Test stable windows-latest --no-default-features	3m 35s
Test stable windows-latest	4m 19s
Test stable windows-latest --all-features	4m 40s
Test beta ubuntu-latest --all-features	2m 27s
Test nightly ubuntu-latest --all-features	2m 18s
Release x86_64-unknown-linux-gnu	59s
Release aarch64-unknown-linux-gnu	1m 2s
Release armv7-unknown-linux-gnueabihf	1m 3s
Release arm-unknown-linux-gnueabihf	1m 4s
Release riscv64gc-unknown-linux-gnu	1m 10s
Release x86_64-apple-darwin	1m 12s
Release aarch64-apple-darwin	1m 25s
Release x86_64-pc-windows-msvc	2m 38s
Release aarch64-pc-windows-msvc	3m 21s
	50m 1s

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