Release 0.3.29 #2340

Job	Run time
cargo test (ubuntu-latest)	4m 36s
cargo test (macos-latest)	8m 9s
cargo test (windows-latest)	5m 46s
cargo +1.56 build	2m 47s
cargo test (ubuntu-latest, aarch64-unknown-linux-gnu)	5m 41s
cargo bench	1m 29s
cargo +stable build	1m 12s
cargo test (ubuntu-latest, armv7-unknown-linux-gnueabihf)	10m 28s
cargo +beta build	1m 11s
codegen	33s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	11m 33s
cargo +nightly build	1m 12s
cargo +1.36 build (futures-{core, io, sink})	4m 20s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	5m 58s
cargo hack check --feature-powerset	3m 41s
cargo miri test	11m 12s
cargo minimal-versions build	49s
cargo build --target thumbv7m-none-eabi	40s
cargo build --target thumbv6m-none-eabi	53s
cargo test -Z sanitizer=address	5m 31s
cargo doc	30s
cargo test -Z sanitizer=memory	3m 51s
cargo test -Z sanitizer=thread	3m 4s
cargo fmt	9s
	1h 35m 15s

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