Cargo Features

tokio-serial has no features set by default.

[dependencies]
tokio-serial = { version = "5.4.4", features = ["libudev", "rt", "codec"] }
libudev

Enables libudev of mio-serial

rt

Enables rt-multi-thread of tokio

codec = bytes

Enables codec of tokio-util

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

bytes codec?
tokio-util codec?