Constant syntax::feature_gate::EXPLAIN_TRACE_MACROS [−] [src]

pub const EXPLAIN_TRACE_MACROS: &'static str = "`trace_macros` is not stable enough for use and is subject to change"

🔬 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?

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