Function syntax::config::features

pub fn features(
    krate: Crate, 
    sess: &ParseSess, 
    should_test: bool
) -> (Crate, Features)

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?