Function rustc::ty::codec::decode_cnum

pub fn decode_cnum<'a, 'tcx, D>(decoder: &mut D) -> Result<CrateNum, D::Error> where
    D: TyDecoder<'a, 'tcx>,
    'tcx: 'a, 

🔬 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?