Static rustc_lint::builtin::UNSTABLE_FEATURES [−]
static UNSTABLE_FEATURES: &Lint=
&::lint::Lint{name: "UNSTABLE_FEATURES", default_level: ::lint::Allow, desc: "enabling unstable features (deprecated. do not use)", edition_lint_opts: None, report_in_external_macro: false,}
🔬 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?