[−]Constant rustc_errors::TRACK_DIAGNOSTICS
pub const TRACK_DIAGNOSTICS: LocalKey<Cell<fn(_: &Diagnostic)>>
🔬 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?