Static rustc_lint::builtin::NON_SHORTHAND_FIELD_PATTERNS[]

static NON_SHORTHAND_FIELD_PATTERNS: &Lint = &::lint::Lint{name: "NON_SHORTHAND_FIELD_PATTERNS",
              default_level: ::lint::Warn,
              desc:
                  "using `Struct { x: x }` instead of `Struct { x }` in a pattern",
              edition_lint_opts: None,
              report_in_external_macro: false,}
🔬 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?