=== Feature Selection
When no feature options are given, the `default` feature is activated for
every selected package.
*--features* _FEATURES_::
Space or comma separated list of features to activate. These features only
apply to the current directory's package. Features of direct dependencies
may be enabled with `<dep-name>/<feature-name>` syntax.
*--all-features*::
Activate all available features of all selected packages.
*--no-default-features*::
Do not activate the `default` feature of the current directory's
package.