Cargo Features

divsufsort has no features set by default.

[dependencies]
divsufsort = { version = "2.0.0", features = ["crosscheck"] }
crosscheck = once_cell

Affects crosscheck::CROSSCHECK_FILE

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.

once_cell crosscheck?