Cargo Features

[dependencies]
instant-epp = { version = "0.2.2", default-features = false, features = ["rustls"] }
default = rustls

The rustls feature is set by default whenever instant-epp is added without default-features = false somewhere in the dependency tree.

rustls default = rustls-native-certs, rustls-pki-types, tokio-rustls

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.

rustls-native-certs rustls
rustls-pki-types rustls
tokio-rustls rustls