Cargo Features

rsocket_rust_transport_tcp has no features set by default.

[dependencies]
rsocket_rust_transport_tcp = { version = "0.7.4", features = ["tls"] }
tls = tokio-native-tls

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.

tokio-native-tls tls?