Static rustc::lint::builtin::UNKNOWN_CRATE_TYPES

pub static UNKNOWN_CRATE_TYPES: &Lint = &::lint::Lint{name: "UNKNOWN_CRATE_TYPES",
              default_level: ::lint::Deny,
              desc: "unknown crate type found in #[crate_type] directive",}

🔬 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?