CI #2986

Job	Run time
cargo test (ubuntu-latest)	2m 47s
cargo +1.56 build	1m 13s
cargo +stable build	40s
cargo test (macos-latest)	6m 5s
cargo bench	49s
cargo +beta build	38s
cargo test (windows-latest)	4m 50s
cargo +1.36 build (futures-{core, io, sink})	40s
cargo +nightly build	35s
cargo test (ubuntu-latest, aarch64-unknown-linux-gnu)	3m 28s
cargo hack check --feature-powerset	2m 19s
cargo test (ubuntu-latest, armv7-unknown-linux-gnueabihf)	6m 12s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	6m 40s
cargo miri test	14m 33s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	3m 37s
cargo build --target thumbv7m-none-eabi	27s
cargo test -Z sanitizer=address	3m 30s
cargo build --target thumbv6m-none-eabi	22s
cargo test -Z sanitizer=memory	6m 14s
cargo clippy	15s
cargo test -Z sanitizer=thread	2m 29s
cargo doc	19s
cargo fmt	5s
cargo minimal-versions build	26s
	1h 9m 13s

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