Fix tidy.

Author: cjgillot

src/librustc/hir/pat_util.rs

@@ -169,7 +169,8 @@ impl hir::Pat {
         self.each_binding(|annotation, _, _, _| {
             match annotation {
                 hir::BindingAnnotation::Ref => match result {
-                    None | Some(hir::Mutability::Immutable) => result = Some(hir::Mutability::Immutable),
+                    None | Some(hir::Mutability::Immutable) =>
+                        result = Some(hir::Mutability::Immutable),
                     _ => {}
                 }
                 hir::BindingAnnotation::RefMut => result = Some(hir::Mutability::Mutable),

src/librustc_metadata/rmeta/encoder.rs

@@ -1571,8 +1571,10 @@ impl EncodeContext<'tcx> {
                 };
                 EntryKind::ForeignFn(self.lazy(data))
             }
-            hir::ForeignItemKind::Static(_, hir::Mutability::Mutable) => EntryKind::ForeignMutStatic,
-            hir::ForeignItemKind::Static(_, hir::Mutability::Immutable) => EntryKind::ForeignImmStatic,
+            hir::ForeignItemKind::Static(_, hir::Mutability::Mutable) =>
+                EntryKind::ForeignMutStatic,
+            hir::ForeignItemKind::Static(_, hir::Mutability::Immutable) =>
+                EntryKind::ForeignImmStatic,
             hir::ForeignItemKind::Type => EntryKind::ForeignType,
         });
         record!(self.per_def.visibility[def_id] <-

src/librustc_mir/borrow_check/places_conflict.rs

@@ -250,7 +250,9 @@ fn place_components_conflict<'tcx>(
                     // Shouldn't be tracked
                     bug!("Tracking borrow behind shared reference.");
                 }
-                (ProjectionElem::Deref, ty::Ref(_, _, hir::Mutability::Mutable), AccessDepth::Drop) => {
+                (ProjectionElem::Deref,
+                 ty::Ref(_, _, hir::Mutability::Mutable),
+                 AccessDepth::Drop) => {
                     // Values behind a mutable reference are not access either by dropping a
                     // value, or by StorageDead
                     debug!("borrow_conflicts_with_place: drop access behind ptr");

src/librustc_typeck/check/cast.rs

@@ -627,7 +627,8 @@ impl<'a, 'tcx> CastCheck<'tcx> {
     ) -> Result<CastKind, CastError> {
         // array-ptr-cast.
 
-        if m_expr.mutbl == hir::Mutability::Immutable && m_cast.mutbl == hir::Mutability::Immutable {
+        if m_expr.mutbl == hir::Mutability::Immutable &&
+            m_cast.mutbl == hir::Mutability::Immutable {
             if let ty::Array(ety, _) = m_expr.ty.kind {
                 // Due to the limitations of LLVM global constants,
                 // region pointers end up pointing at copies of