Various fixes too make the CI green #2809

Job	Run time
cargo +stable build	53s
cargo +beta build	38s
cargo +1.36 build (futures-{core, io, sink})	1m 32s
cargo hack check --feature-powerset	2m 20s
cargo bench	44s
cargo +nightly build	33s
cargo minimal-versions build	24s
cargo build --target thumbv7m-none-eabi	25s
cargo miri test	11m 25s
cargo test (ubuntu-latest)	2m 45s
cargo build --target thumbv6m-none-eabi	26s
cargo +1.56 build	2m 3s
cargo test (macos-latest)	6m 22s
cargo test (windows-latest)	4m 47s
cargo clippy	24s
cargo test (ubuntu-latest, aarch64-unknown-linux-gnu)	3m 33s
cargo doc	17s
cargo test (ubuntu-latest, armv7-unknown-linux-gnueabihf)	6m 17s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	6m 49s
cargo fmt	4s
cargo test -Z sanitizer=address	3m 1s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	3m 28s
cargo test -Z sanitizer=memory	3m 48s
cargo test -Z sanitizer=thread	2m 20s
	1h 5m 18s

Provide feedback