Various fixes too make the CI green (#2885) #2812

Job	Run time
cargo +1.36 build (futures-{core, io, sink})	1m 34s
cargo test (ubuntu-latest)	2m 45s
cargo test (macos-latest)	6m 26s
cargo bench	51s
cargo +stable build	40s
cargo test (windows-latest)	4m 44s
cargo hack check --feature-powerset	2m 27s
cargo +beta build	41s
cargo test (ubuntu-latest, aarch64-unknown-linux-gnu)	3m 43s
cargo minimal-versions build	24s
cargo +nightly build	37s
cargo test (ubuntu-latest, armv7-unknown-linux-gnueabihf)	6m 25s
cargo miri test	11m 17s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	7m 9s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	3m 36s
cargo build --target thumbv7m-none-eabi	28s
cargo test -Z sanitizer=address	2m 54s
cargo +1.56 build	2m 17s
cargo build --target thumbv6m-none-eabi	26s
cargo test -Z sanitizer=memory	3m 50s
cargo test -Z sanitizer=thread	2m 23s
cargo clippy	25s
cargo doc	18s
cargo fmt	2s
	1h 6m 22s

Provide feedback