release 0.29.1 #702

Job	Run time
rustfmt	13s
Test stable ubuntu-latest --no-default-features	2m 40s
Test stable ubuntu-latest	3m 58s
Test stable ubuntu-latest --all-features	4m 33s
Test stable macos-latest --no-default-features	2m 58s
Test stable macos-latest	5m 55s
Test stable macos-latest --all-features	6m 14s
Test stable windows-latest --no-default-features	5m 21s
Test stable windows-latest	6m 8s
Test stable windows-latest --all-features	6m 46s
Test beta ubuntu-latest --all-features	3m 13s
Test nightly ubuntu-latest --all-features	3m 41s
Release x86_64-unknown-linux-gnu	3m 20s
Release aarch64-unknown-linux-gnu	4m 9s
Release armv7-unknown-linux-gnueabihf	3m 41s
Release arm-unknown-linux-gnueabihf	3m 29s
Release x86_64-apple-darwin	3m 16s
Release aarch64-apple-darwin	3m 3s
Release x86_64-pc-windows-msvc	5m 10s
	1h 17m 48s

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