Cargo Features

WebScreenShot has no features set by default.

webscreenshot = { version = "0.2.2", features = ["cli-binary"] }
cli-binary = clap

Required by the wss binary

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.

clap cli-binary?

Enables clap ^2.33.1