Get tests to pass

clippy_lints/Cargo.toml

@@ -39,4 +39,4 @@ syn = { version = "1", features = ["full"] }
 [features]
 deny-warnings = []
 # build clippy with internal lints enabled, off by default
-internal-lints = []
+internal-lints = ["clippy_utils/internal-lints"]

clippy_utils/Cargo.toml

@@ -22,3 +22,6 @@ rustc-semver="1.1.0"
 url = { version =  "2.1.0", features = ["serde"] }
 quote = "1"
 syn = { version = "1", features = ["full"] }
+
+[features]
+internal-lints = []

clippy_utils/src/internal_lints.rs

@@ -1,7 +1,7 @@
 use crate::consts::{constant_simple, Constant};
 use crate::{
-    is_expn_of, match_def_path, match_qpath, match_type, method_calls, path_to_res, paths, run_lints, snippet,
-    span_lint, span_lint_and_help, span_lint_and_sugg, SpanlessEq,
+    declare_clippy_lint, is_expn_of, match_def_path, match_qpath, match_type, method_calls, path_to_res, paths,
+    run_lints, snippet, span_lint, span_lint_and_help, span_lint_and_sugg, SpanlessEq,
 };
 use if_chain::if_chain;
 use rustc_ast::ast::{Crate as AstCrate, ItemKind, LitKind, NodeId};

clippy_utils/src/lib.rs

@@ -10,6 +10,8 @@
 #![feature(rustc_private)]
 #![feature(stmt_expr_attributes)]
 #![feature(control_flow_enum)]
+#![recursion_limit = "512"]
+#![allow(clippy::missing_errors_doc, clippy::missing_panics_doc, clippy::must_use_candidate)]
 
 // FIXME: switch to something more ergonomic here, once available.
 // (Currently there is no way to opt into sysroot crates without `extern crate`.)