[−][src]Function syntax::feature_gate::maybe_stage_features
fn maybe_stage_features(
span_handler: &Handler,
krate: &Crate,
unstable: UnstableFeatures
)
🔬 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?