https://github.com/smol-rs/async-io/blob/823d6f1bfe5f990abff60a997e74762cc3f2b176/Cargo.toml#L39 Related: https://github.com/smol-rs/async-process/pull/27, https://github.com/smol-rs/polling/issues/46
