Constant syntax::parse::attr::DEFAULT_UNEXPECTED_INNER_ATTR_ERR_MSG[][src]

const DEFAULT_UNEXPECTED_INNER_ATTR_ERR_MSG: &'static str = "an inner attribute is not permitted in this context"
🔬 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?