Cargo Features

[dependencies]
google-signin = { version = "0.3.0", default-features = false, features = ["with-rustls", "with-openssl"] }
default = with-rustls

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

with-rustls default = hyper-rustls
with-openssl = hyper-openssl

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.

hyper-rustls with-rustls

Enables hyper-rustls ^0.6

hyper-openssl with-openssl?

Enables hyper-openssl ^0.2