Cargo Features

canparse has no features set by default.

[dependencies]
canparse = { version = "0.1.4", features = ["use-socketcan"] }
use-socketcan = socketcan

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.

socketcan use-socketcan?

Enables socketcan ^1.7