Cargo Features

[dependencies]
fscmp = { version = "0.2.16", default-features = false, features = ["loggest", "simplelog"] }
default = simplelog

The simplelog feature is set by default whenever fscmp is added without default-features = false somewhere in the dependency tree.

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features.

loggest implicit feature

Enables loggest

loggest:

A high performance logging facility for Rust's log crate

simplelog default

Enables simplelog ^0.7.1