Cargo Features

cargo-atcoder has no features set by default.

cargo-atcoder = { version = "0.4.0", features = ["watch"] }
watch = notify

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.

notify watch?

Enables notify ^4.0.17