[][src]Existential Type rustc_data_structures::graph::implementation::

existential type <'_>: : Iterator<Item = (NodeIndex, &Node<N>)>;
🔬 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?