Racer doesn't build on current Rust master

[renato-zannon]

Error:

src/racer/ast.rs:74:5: 125:6 error: method `visit_view_item` is not a member of trait `visit::Visitor`
src/racer/ast.rs:74     fn visit_view_item(&mut self, i: &ast::ViewItem) {
src/racer/ast.rs:75         match i.node {
src/racer/ast.rs:76             ast::ViewItemUse(ref path) => {
src/racer/ast.rs:77                 match path.node {
src/racer/ast.rs:78                     ast::ViewPathSimple(ident, ref path, _) => {
src/racer/ast.rs:79                         self.paths.push(to_racer_path(path));
                    ...
src/racer/ast.rs:74:39: 74:52 error: use of undeclared type name `ast::ViewItem`
src/racer/ast.rs:74     fn visit_view_item(&mut self, i: &ast::ViewItem) {
                                                          ^~~~~~~~~~~~~
src/racer/ast.rs:76:13: 76:29 error: unresolved enum variant, struct or const `ViewItemUse`
src/racer/ast.rs:76             ast::ViewItemUse(ref path) => {
                                ^~~~~~~~~~~~~~~~
src/racer/ast.rs:107:13: 107:37 error: unresolved enum variant, struct or const `ViewItemExternCrate`
src/racer/ast.rs:107             ast::ViewItemExternCrate(ident, ref loc, _) => {
                                 ^~~~~~~~~~~~~~~~~~~~~~~~
src/racer/ast.rs:124:9: 124:30 error: unresolved name `visit::walk_view_item`
src/racer/ast.rs:124         visit::walk_view_item(self, i)

It seems to be fallout from rust-lang/rust#20179

[phildawes]

Thanks for the report, should be fixed now