Adapt codebase to the tool_lints

clippy_lints/src/assign_ops.rs

@@ -137,7 +137,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for AssignOps {
             },
             hir::ExprKind::Assign(ref assignee, ref e) => {
                 if let hir::ExprKind::Binary(op, ref l, ref r) = e.node {
-                    #[allow(cyclomatic_complexity)]
+                    #[allow(clippy::cyclomatic_complexity)]
                     let lint = |assignee: &hir::Expr, rhs: &hir::Expr| {
                         let ty = cx.tables.expr_ty(assignee);
                         let rty = cx.tables.expr_ty(rhs);

clippy_lints/src/consts.rs

@@ -1,5 +1,4 @@
-#![allow(cast_possible_truncation)]
-#![allow(float_cmp)]
+#![allow(clippy::float_cmp)]
 
 use rustc::lint::LateContext;
 use rustc::{span_bug, bug};

clippy_lints/src/cyclomatic_complexity.rs

@@ -186,7 +186,7 @@ impl<'a, 'tcx> Visitor<'tcx> for CCHelper<'a, 'tcx> {
 }
 
 #[cfg(feature = "debugging")]
-#[allow(too_many_arguments)]
+#[allow(clippy::too_many_arguments)]
 fn report_cc_bug(_: &LateContext<'_, '_>, cc: u64, narms: u64, div: u64, shorts: u64, returns: u64, span: Span, _: NodeId) {
     span_bug!(
         span,
@@ -200,7 +200,7 @@ fn report_cc_bug(_: &LateContext<'_, '_>, cc: u64, narms: u64, div: u64, shorts:
     );
 }
 #[cfg(not(feature = "debugging"))]
-#[allow(too_many_arguments)]
+#[allow(clippy::too_many_arguments)]
 fn report_cc_bug(cx: &LateContext<'_, '_>, cc: u64, narms: u64, div: u64, shorts: u64, returns: u64, span: Span, id: NodeId) {
     if !is_allowed(cx, CYCLOMATIC_COMPLEXITY, id) {
         cx.sess().span_note_without_error(

clippy_lints/src/lib.rs

@@ -12,6 +12,7 @@
 #![feature(iterator_find_map)]
 #![feature(macro_at_most_once_rep)]
 #![feature(rust_2018_preview)]
+#![feature(tool_lints)]
 #![warn(rust_2018_idioms)]
 
 use toml;

clippy_lints/src/methods.rs

@@ -714,7 +714,7 @@ impl LintPass for Pass {
 }
 
 impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
-    #[allow(cyclomatic_complexity)]
+    #[allow(clippy::cyclomatic_complexity)]
     fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx hir::Expr) {
         if in_macro(expr.span) {
             return;
@@ -922,7 +922,7 @@ fn lint_or_fun_call(cx: &LateContext<'_, '_>, expr: &hir::Expr, method_span: Spa
     }
 
     /// Check for `*or(foo())`.
-    #[allow(too_many_arguments)]
+    #[allow(clippy::too_many_arguments)]
     fn check_general_case(
         cx: &LateContext<'_, '_>,
         name: &str,

clippy_lints/src/utils/comparisons.rs

@@ -1,6 +1,6 @@
 //! Utility functions about comparison operators.
 
-#![deny(missing_docs_in_private_items)]
+#![deny(clippy::missing_docs_in_private_items)]
 
 use rustc::hir::{BinOpKind, Expr};
 

clippy_lints/src/utils/conf.rs

@@ -1,6 +1,6 @@
 //! Read configurations files.
 
-#![deny(missing_docs_in_private_items)]
+#![deny(clippy::missing_docs_in_private_items)]
 
 use lazy_static::lazy_static;
 use std::{env, fmt, fs, io, path};

clippy_lints/src/utils/constants.rs

@@ -1,6 +1,6 @@
 //! This module contains some useful constants.
 
-#![deny(missing_docs_in_private_items)]
+#![deny(clippy::missing_docs_in_private_items)]
 
 /// List of the built-in types names.
 ///

clippy_lints/src/utils/higher.rs

@@ -1,7 +1,7 @@
 //! This module contains functions for retrieve the original AST from lowered
 //! `hir`.
 
-#![deny(missing_docs_in_private_items)]
+#![deny(clippy::missing_docs_in_private_items)]
 
 use if_chain::if_chain;
 use rustc::{hir, ty};

clippy_lints/src/utils/hir_utils.rs

@@ -364,7 +364,7 @@ impl<'a, 'tcx: 'a> SpanlessHash<'a, 'tcx> {
         }.hash(&mut self.s);
     }
 
-    #[allow(many_single_char_names)]
+    #[allow(clippy::many_single_char_names)]
     pub fn hash_expr(&mut self, e: &Expr) {
         if let Some(e) = constant_simple(self.cx, self.tables, e) {
             return e.hash(&mut self.s);

clippy_lints/src/utils/sugg.rs

@@ -1,7 +1,5 @@
 //! Contains utility functions to generate suggestions.
-#![deny(missing_docs_in_private_items)]
-// currently ignores lifetimes and generics
-#![allow(use_self)]
+#![deny(clippy::missing_docs_in_private_items)]
 
 use matches::matches;
 use rustc::hir;
@@ -40,7 +38,7 @@ impl Display for Sugg<'_> {
     }
 }
 
-#[allow(wrong_self_convention)] // ok, because of the function `as_ty` method
+#[allow(clippy::wrong_self_convention)] // ok, because of the function `as_ty` method
 impl<'a> Sugg<'a> {
     /// Prepare a suggestion from an expression.
     pub fn hir_opt(cx: &LateContext<'_, '_>, expr: &hir::Expr) -> Option<Self> {