Cargo Features

[dependencies]
correlate = { version = "0.3.0", default-features = false, features = ["database"] }
default = database

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

database default = diesel, diesel_migrations, mysqlclient-sys, rocket_db_pools

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.

diesel database
diesel_migrations database
mysqlclient-sys database
rocket_db_pools database