Cargo Features

[dependencies]
rucola = { version = "0.1.2", default-features = false, features = ["debug_attr", "deny_unknown_fields", "serialize"] }
default = debug_attr

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

debug_attr default
deny_unknown_fields
serialize

Rucola has 4 features without comments.