Cargo Features

hack_log has no features set by default.

[dependencies]
hack_log = { version = "0.1.0", features = ["color"] }
color = ansi_term

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.

ansi_term color?

Enables ansi_term ^0.9