CI #2972

Job	Run time
cargo bench	54s
cargo clippy	15s
cargo +1.36 build (futures-{core, io, sink})	39s
cargo +stable build	31s
cargo doc	18s
cargo +beta build	42s
cargo hack check --feature-powerset	2m 20s
cargo +nightly build	35s
cargo fmt	9s
cargo minimal-versions build	27s
cargo miri test	14m 17s
cargo test -Z sanitizer=address	3m 29s
cargo test (ubuntu-latest)	2m 39s
cargo test -Z sanitizer=memory	4m 58s
cargo test (macos-latest)	6m 25s
cargo build --target thumbv7m-none-eabi	27s
cargo test -Z sanitizer=thread	2m 33s
cargo test (windows-latest)	4m 30s
cargo build --target thumbv6m-none-eabi	23s
cargo test (ubuntu-latest, aarch64-unknown-linux-gnu)	3m 46s
cargo +1.56 build	1m 12s
cargo test (ubuntu-latest, armv7-unknown-linux-gnueabihf)	6m 18s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	6m 43s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	3m 26s
	1h 7m 56s

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