diff --git a/clippy_lints/src/booleans.rs b/clippy_lints/src/booleans.rs
index e0418be7a..c338189ce 100644
--- a/clippy_lints/src/booleans.rs
+++ b/clippy_lints/src/booleans.rs
@@ -385,10 +385,12 @@ impl<'a, 'tcx> NonminimalBoolVisitor<'a, 'tcx> {
                                    e.span,
                                    "this boolean expression can be simplified",
                                    |db| {
-                                       db.span_suggestions(e.span, "try", improvements.into_iter().map(|suggestion| {
-                                           suggest(self.cx, suggestion, &h2q.terminals)
-                                       }).collect());
-                                   });
+                    db.span_suggestions(e.span,
+                                        "try",
+                                        improvements.into_iter()
+                                            .map(|suggestion| suggest(self.cx, suggestion, &h2q.terminals))
+                                            .collect());
+                });
             }
         }
     }
diff --git a/clippy_lints/src/copies.rs b/clippy_lints/src/copies.rs
index 8764bbfa1..8f8bdf472 100644
--- a/clippy_lints/src/copies.rs
+++ b/clippy_lints/src/copies.rs
@@ -252,11 +252,7 @@ fn if_sequence(mut expr: &Expr) -> (SmallVector<&Expr>, SmallVector<&Block>) {
 
 /// Return the list of bindings in a pattern.
 fn bindings<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, pat: &Pat) -> HashMap<InternedString, Ty<'tcx>> {
-    fn bindings_impl<'a, 'tcx>(
-        cx: &LateContext<'a, 'tcx>,
-        pat: &Pat,
-        map: &mut HashMap<InternedString, Ty<'tcx>>
-    ) {
+    fn bindings_impl<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, pat: &Pat, map: &mut HashMap<InternedString, Ty<'tcx>>) {
         match pat.node {
             PatKind::Box(ref pat) |
             PatKind::Ref(ref pat, _) => bindings_impl(cx, pat, map),
diff --git a/clippy_lints/src/eq_op.rs b/clippy_lints/src/eq_op.rs
index 9eab6352c..10e5f2ba7 100644
--- a/clippy_lints/src/eq_op.rs
+++ b/clippy_lints/src/eq_op.rs
@@ -98,17 +98,14 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EqOp {
                                 let rsnip = snippet(cx, r.span, "...").to_string();
                                 multispan_sugg(db,
                                                "use the values directly".to_string(),
-                                               vec![(left.span, lsnip),
-                                                    (right.span, rsnip)]);
+                                               vec![(left.span, lsnip), (right.span, rsnip)]);
                             })
-                        } else if lcpy && !rcpy &&
-                                  implements_trait(cx, lty, trait_id, &[cx.tables.expr_ty(right)]) {
+                        } else if lcpy && !rcpy && implements_trait(cx, lty, trait_id, &[cx.tables.expr_ty(right)]) {
                             span_lint_and_then(cx, OP_REF, e.span, "needlessly taken reference of left operand", |db| {
                                 let lsnip = snippet(cx, l.span, "...").to_string();
                                 db.span_suggestion(left.span, "use the left value directly", lsnip);
                             })
-                        } else if !lcpy && rcpy &&
-                                  implements_trait(cx, cx.tables.expr_ty(left), trait_id, &[rty]) {
+                        } else if !lcpy && rcpy && implements_trait(cx, cx.tables.expr_ty(left), trait_id, &[rty]) {
                             span_lint_and_then(cx,
                                                OP_REF,
                                                e.span,
@@ -123,8 +120,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EqOp {
                     (&ExprAddrOf(_, ref l), _) => {
                         let lty = cx.tables.expr_ty(l);
                         let lcpy = is_copy(cx, lty);
-                        if (requires_ref || lcpy) &&
-                           implements_trait(cx, lty, trait_id, &[cx.tables.expr_ty(right)]) {
+                        if (requires_ref || lcpy) && implements_trait(cx, lty, trait_id, &[cx.tables.expr_ty(right)]) {
                             span_lint_and_then(cx, OP_REF, e.span, "needlessly taken reference of left operand", |db| {
                                 let lsnip = snippet(cx, l.span, "...").to_string();
                                 db.span_suggestion(left.span, "use the left value directly", lsnip);
@@ -135,8 +131,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EqOp {
                     (_, &ExprAddrOf(_, ref r)) => {
                         let rty = cx.tables.expr_ty(r);
                         let rcpy = is_copy(cx, rty);
-                        if (requires_ref || rcpy) &&
-                           implements_trait(cx, cx.tables.expr_ty(left), trait_id, &[rty]) {
+                        if (requires_ref || rcpy) && implements_trait(cx, cx.tables.expr_ty(left), trait_id, &[rty]) {
                             span_lint_and_then(cx, OP_REF, e.span, "taken reference of right operand", |db| {
                                 let rsnip = snippet(cx, r.span, "...").to_string();
                                 db.span_suggestion(right.span, "use the right value directly", rsnip);
diff --git a/clippy_lints/src/escape.rs b/clippy_lints/src/escape.rs
index 9f32204c4..c3a3f37fa 100644
--- a/clippy_lints/src/escape.rs
+++ b/clippy_lints/src/escape.rs
@@ -71,8 +71,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
         };
 
         let region_maps = &cx.tcx.region_maps(fn_def_id);
-        ExprUseVisitor::new(&mut v, cx.tcx, cx.param_env, region_maps, cx.tables)
-            .consume_body(body);
+        ExprUseVisitor::new(&mut v, cx.tcx, cx.param_env, region_maps, cx.tables).consume_body(body);
 
         for node in v.set {
             span_lint(cx,
@@ -134,15 +133,7 @@ impl<'a, 'tcx> Delegate<'tcx> for EscapeDelegate<'a, 'tcx> {
         }
 
     }
-    fn borrow(
-        &mut self,
-        _: NodeId,
-        _: Span,
-        cmt: cmt<'tcx>,
-        _: ty::Region,
-        _: ty::BorrowKind,
-        loan_cause: LoanCause
-    ) {
+    fn borrow(&mut self, _: NodeId, _: Span, cmt: cmt<'tcx>, _: ty::Region, _: ty::BorrowKind, loan_cause: LoanCause) {
         if let Categorization::Local(lid) = cmt.cat {
             match loan_cause {
                 // x.foo()
diff --git a/clippy_lints/src/identity_op.rs b/clippy_lints/src/identity_op.rs
index e57feaa59..7bac29f68 100644
--- a/clippy_lints/src/identity_op.rs
+++ b/clippy_lints/src/identity_op.rs
@@ -58,14 +58,16 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for IdentityOp {
     }
 }
 
-
+#[allow(cast_possible_wrap)]
 fn check(cx: &LateContext, e: &Expr, m: i8, span: Span, arg: Span) {
     if let Some(Constant::Int(v)) = constant_simple(cx, e) {
         if match m {
             0 => v.to_u128_unchecked() == 0,
-            -1 => match v.int_type() {
-                SignedInt(_) => #[allow(cast_possible_wrap)] (v.to_u128_unchecked() as i128  == -1),
-                UnsignedInt(_) =>  false
+            -1 => {
+                match v.int_type() {
+                    SignedInt(_) => (v.to_u128_unchecked() as i128 == -1),
+                    UnsignedInt(_) => false,
+                }
             },
             1 => v.to_u128_unchecked() == 1,
             _ => unreachable!(),
diff --git a/clippy_lints/src/map_clone.rs b/clippy_lints/src/map_clone.rs
index 6b721a970..ba4d24b1d 100644
--- a/clippy_lints/src/map_clone.rs
+++ b/clippy_lints/src/map_clone.rs
@@ -2,8 +2,8 @@ use rustc::lint::*;
 use rustc::hir::*;
 use rustc::ty;
 use syntax::ast;
-use utils::{is_adjusted, match_path, match_trait_method, match_type, remove_blocks, paths, snippet, span_help_and_lint,
-            walk_ptrs_ty, walk_ptrs_ty_depth, iter_input_pats};
+use utils::{is_adjusted, match_path, match_trait_method, match_type, remove_blocks, paths, snippet,
+            span_help_and_lint, walk_ptrs_ty, walk_ptrs_ty_depth, iter_input_pats};
 
 /// **What it does:** Checks for mapping `clone()` over an iterator.
 ///
diff --git a/clippy_lints/src/matches.rs b/clippy_lints/src/matches.rs
index 4ff1b5d06..3e9e2d06d 100644
--- a/clippy_lints/src/matches.rs
+++ b/clippy_lints/src/matches.rs
@@ -226,14 +226,7 @@ fn report_single_match_single_pattern(cx: &LateContext, ex: &Expr, arms: &[Arm],
     });
 }
 
-fn check_single_match_opt_like(
-    cx: &LateContext,
-    ex: &Expr,
-    arms: &[Arm],
-    expr: &Expr,
-    ty: Ty,
-    els: Option<&Expr>
-) {
+fn check_single_match_opt_like(cx: &LateContext, ex: &Expr, arms: &[Arm], expr: &Expr, ty: Ty, els: Option<&Expr>) {
     // list of candidate Enums we know will never get any more members
     let candidates = &[(&paths::COW, "Borrowed"),
                        (&paths::COW, "Cow::Borrowed"),
diff --git a/clippy_lints/src/methods.rs b/clippy_lints/src/methods.rs
index 9f662d573..08400600b 100644
--- a/clippy_lints/src/methods.rs
+++ b/clippy_lints/src/methods.rs
@@ -1351,7 +1351,14 @@ enum SelfKind {
 }
 
 impl SelfKind {
-    fn matches(self, ty: &hir::Ty, arg: &hir::Arg, self_ty: &hir::Ty, allow_value_for_ref: bool, generics: &hir::Generics) -> bool {
+    fn matches(
+        self,
+        ty: &hir::Ty,
+        arg: &hir::Arg,
+        self_ty: &hir::Ty,
+        allow_value_for_ref: bool,
+        generics: &hir::Generics
+    ) -> bool {
         // Self types in the HIR are desugared to explicit self types. So it will always be `self:
         // SomeType`,
         // where SomeType can be `Self` or an explicit impl self type (e.g. `Foo` if the impl is on `Foo`)
@@ -1386,7 +1393,7 @@ impl SelfKind {
                 SelfKind::Value => false,
                 SelfKind::Ref => is_as_ref_or_mut_trait(ty, self_ty, generics, &paths::ASREF_TRAIT),
                 SelfKind::RefMut => is_as_ref_or_mut_trait(ty, self_ty, generics, &paths::ASMUT_TRAIT),
-                SelfKind::No => true
+                SelfKind::No => true,
             }
         }
     }
@@ -1404,19 +1411,18 @@ impl SelfKind {
 fn is_as_ref_or_mut_trait(ty: &hir::Ty, self_ty: &hir::Ty, generics: &hir::Generics, name: &[&str]) -> bool {
     single_segment_ty(ty).map_or(false, |seg| {
         generics.ty_params.iter().any(|param| {
-            param.name == seg.name && param.bounds.iter().any(|bound| {
-                if let hir::TyParamBound::TraitTyParamBound(ref ptr, ..) = *bound {
-                    let path = &ptr.trait_ref.path;
-                    match_path_old(path, name) && path.segments.last().map_or(false, |s| {
-                        if let hir::PathParameters::AngleBracketedParameters(ref data) = s.parameters {
-                            data.types.len() == 1 && (is_self_ty(&data.types[0]) || is_ty(&*data.types[0], self_ty))
-                        } else {
-                            false
-                        }
-                    })
+            param.name == seg.name &&
+            param.bounds.iter().any(|bound| if let hir::TyParamBound::TraitTyParamBound(ref ptr, ..) = *bound {
+                let path = &ptr.trait_ref.path;
+                match_path_old(path, name) &&
+                path.segments.last().map_or(false, |s| if let hir::PathParameters::AngleBracketedParameters(ref data) =
+                    s.parameters {
+                    data.types.len() == 1 && (is_self_ty(&data.types[0]) || is_ty(&*data.types[0], self_ty))
                 } else {
                     false
-                }
+                })
+            } else {
+                false
             })
         })
     })
@@ -1426,10 +1432,9 @@ fn is_ty(ty: &hir::Ty, self_ty: &hir::Ty) -> bool {
     match (&ty.node, &self_ty.node) {
         (&hir::TyPath(hir::QPath::Resolved(_, ref ty_path)),
          &hir::TyPath(hir::QPath::Resolved(_, ref self_ty_path))) => {
-            ty_path.segments.iter().map(|seg| seg.name).eq(
-                self_ty_path.segments.iter().map(|seg| seg.name))
-        }
-        _ => false
+            ty_path.segments.iter().map(|seg| seg.name).eq(self_ty_path.segments.iter().map(|seg| seg.name))
+        },
+        _ => false,
     }
 }
 
diff --git a/clippy_lints/src/misc.rs b/clippy_lints/src/misc.rs
index fe19a82a1..02ccdb2d7 100644
--- a/clippy_lints/src/misc.rs
+++ b/clippy_lints/src/misc.rs
@@ -516,7 +516,9 @@ fn non_macro_local(cx: &LateContext, def: &def::Def) -> bool {
     match *def {
         def::Def::Local(def_id) |
         def::Def::Upvar(def_id, _, _) => {
-            let id = cx.tcx.hir.as_local_node_id(def_id)
+            let id = cx.tcx
+                .hir
+                .as_local_node_id(def_id)
                 .expect("local variables should be found in the same crate");
             !in_macro(cx.tcx.hir.span(id))
         },
diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs
index fda67f320..b8aacb3b4 100644
--- a/clippy_lints/src/needless_pass_by_value.rs
+++ b/clippy_lints/src/needless_pass_by_value.rs
@@ -91,8 +91,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessPassByValue {
         let MovedVariablesCtxt { moved_vars, spans_need_deref, .. } = {
             let mut ctx = MovedVariablesCtxt::new(cx);
             let region_maps = &cx.tcx.region_maps(fn_def_id);
-            euv::ExprUseVisitor::new(&mut ctx, cx.tcx, cx.param_env, region_maps, cx.tables)
-                .consume_body(body);
+            euv::ExprUseVisitor::new(&mut ctx, cx.tcx, cx.param_env, region_maps, cx.tables).consume_body(body);
             ctx
         };
 
diff --git a/clippy_lints/src/types.rs b/clippy_lints/src/types.rs
index ce8b8c405..f608c7808 100644
--- a/clippy_lints/src/types.rs
+++ b/clippy_lints/src/types.rs
@@ -1107,6 +1107,7 @@ fn numeric_cast_precast_bounds<'a>(cx: &LateContext, expr: &'a Expr) -> Option<(
     }
 }
 
+#[allow(cast_possible_wrap)]
 fn node_as_const_fullint(cx: &LateContext, expr: &Expr) -> Option<FullInt> {
     use rustc::middle::const_val::ConstVal::*;
     use rustc_const_eval::ConstContext;
@@ -1115,7 +1116,7 @@ fn node_as_const_fullint(cx: &LateContext, expr: &Expr) -> Option<FullInt> {
         Ok(val) => {
             if let Integral(const_int) = val {
                 match const_int.int_type() {
-                    IntType::SignedInt(_) => #[allow(cast_possible_wrap)] Some(FullInt::S(const_int.to_u128_unchecked() as i128)),
+                    IntType::SignedInt(_) => Some(FullInt::S(const_int.to_u128_unchecked() as i128)),
                     IntType::UnsignedInt(_) => Some(FullInt::U(const_int.to_u128_unchecked())),
                 }
             } else {
diff --git a/clippy_lints/src/utils/higher.rs b/clippy_lints/src/utils/higher.rs
index e736f2eae..7c7b3b57a 100644
--- a/clippy_lints/src/utils/higher.rs
+++ b/clippy_lints/src/utils/higher.rs
@@ -76,8 +76,7 @@ pub fn range(expr: &hir::Expr) -> Option<Range> {
                     end: None,
                     limits: ast::RangeLimits::HalfOpen,
                 })
-            } else if match_path(path, &paths::RANGE_INCLUSIVE_STD) ||
-                      match_path(path, &paths::RANGE_INCLUSIVE) {
+            } else if match_path(path, &paths::RANGE_INCLUSIVE_STD) || match_path(path, &paths::RANGE_INCLUSIVE) {
                 Some(Range {
                     start: get_field("start", fields),
                     end: get_field("end", fields),
diff --git a/clippy_lints/src/utils/mod.rs b/clippy_lints/src/utils/mod.rs
index 34c514360..c2cbd4d4c 100644
--- a/clippy_lints/src/utils/mod.rs
+++ b/clippy_lints/src/utils/mod.rs
@@ -314,11 +314,11 @@ pub fn implements_trait<'a, 'tcx>(
     ty_params: &[Ty<'tcx>]
 ) -> bool {
     let ty = cx.tcx.erase_regions(&ty);
-    let obligation = cx.tcx.predicate_for_trait_def(
-        cx.param_env, traits::ObligationCause::dummy(), trait_id, 0, ty, ty_params);
-    cx.tcx.infer_ctxt().enter(|infcx| {
-        traits::SelectionContext::new(&infcx).evaluate_obligation_conservatively(&obligation)
-    })
+    let obligation = cx.tcx
+        .predicate_for_trait_def(cx.param_env, traits::ObligationCause::dummy(), trait_id, 0, ty, ty_params);
+    cx.tcx
+        .infer_ctxt()
+        .enter(|infcx| traits::SelectionContext::new(&infcx).evaluate_obligation_conservatively(&obligation))
 }
 
 /// Resolve the definition of a node from its `NodeId`.
@@ -575,7 +575,14 @@ pub fn span_lint_and_sugg<'a, 'tcx: 'a, T: LintContext<'tcx>>(
 /// replacement. In human-readable format though, it only appears once before the whole suggestion.
 pub fn multispan_sugg(db: &mut DiagnosticBuilder, help_msg: String, sugg: Vec<(Span, String)>) {
     let sugg = rustc_errors::CodeSuggestion {
-        substitution_parts: sugg.into_iter().map(|(span, sub)| rustc_errors::Substitution { span, substitutions: vec![sub] }).collect(),
+        substitution_parts: sugg.into_iter()
+            .map(|(span, sub)| {
+                rustc_errors::Substitution {
+                    span: span,
+                    substitutions: vec![sub],
+                }
+            })
+            .collect(),
         msg: help_msg,
     };
     db.suggestions.push(sugg);
@@ -764,14 +771,8 @@ pub fn return_ty<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, fn_item: NodeId) -> Ty<'t
 /// Check if two types are the same.
 // FIXME: this works correctly for lifetimes bounds (`for <'a> Foo<'a>` == `for <'b> Foo<'b>` but
 // not for type parameters.
-pub fn same_tys<'a, 'tcx>(
-    cx: &LateContext<'a, 'tcx>,
-    a: Ty<'tcx>,
-    b: Ty<'tcx>
-) -> bool {
-    cx.tcx.infer_ctxt().enter(|infcx| {
-        infcx.can_eq(cx.param_env, a, b).is_ok()
-    })
+pub fn same_tys<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, a: Ty<'tcx>, b: Ty<'tcx>) -> bool {
+    cx.tcx.infer_ctxt().enter(|infcx| infcx.can_eq(cx.param_env, a, b).is_ok())
 }
 
 /// Return whether the given type is an `unsafe` function.