Cargo Features

[dependencies]
box_intersect_ze = { version = "0.1.1", default-features = false, features = ["rand-crate"] }
default = rand-crate

The rand-crate feature is set by default whenever box_intersect_ze is added without default-features = false somewhere in the dependency tree.

rand-crate default = rand

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.

rand rand-crate