diff --git a/clippy_lints/src/attrs.rs b/clippy_lints/src/attrs.rs
index 086716c1f46..7a36049178b 100644
--- a/clippy_lints/src/attrs.rs
+++ b/clippy_lints/src/attrs.rs
@@ -4,7 +4,7 @@ use reexport::*;
 use rustc::lint::*;
 use rustc::hir::*;
 use semver::Version;
-use syntax::ast::{Attribute, Lit, LitKind, MetaItemKind};
+use syntax::ast::{Attribute, Lit, LitKind, MetaItemKind, NestedMetaItem, NestedMetaItemKind};
 use syntax::codemap::Span;
 use utils::{in_macro, match_path, span_lint, span_lint_and_then, snippet_opt};
 use utils::paths;
@@ -89,11 +89,13 @@ impl LateLintPass for AttrPass {
                 return;
             }
             for item in items {
-                if let MetaItemKind::NameValue(ref name, ref lit) = item.node {
-                    if name == &"since" {
-                        check_semver(cx, item.span, lit);
-                    }
-                }
+                if_let_chain! {[
+                    let NestedMetaItemKind::MetaItem(ref mi) = item.node,
+                    let MetaItemKind::NameValue(ref name, ref lit) = mi.node,
+                    name == &"since",
+                ], {
+                    check_semver(cx, item.span, lit);
+                }}
             }
         }
     }
@@ -111,11 +113,9 @@ impl LateLintPass for AttrPass {
                             "allow" | "warn" | "deny" | "forbid" => {
                                 // whitelist `unused_imports`
                                 for lint in lint_list {
-                                    if let MetaItemKind::Word(ref word) = lint.node {
-                                        if word == "unused_imports" {
-                                            if let ItemUse(_) = item.node {
-                                                return;
-                                            }
+                                    if is_word(lint, "unused_imports") {
+                                        if let ItemUse(_) = item.node {
+                                            return;
                                         }
                                     }
                                 }
@@ -214,10 +214,7 @@ fn check_attrs(cx: &LateContext, span: Span, name: &Name, attrs: &[Attribute]) {
             if values.len() != 1 || inline != &"inline" {
                 continue;
             }
-            if let MetaItemKind::Word(ref always) = values[0].node {
-                if always != &"always" {
-                    continue;
-                }
+            if is_word(&values[0], "always") {
                 span_lint(cx,
                           INLINE_ALWAYS,
                           attr.span,
@@ -239,3 +236,13 @@ fn check_semver(cx: &LateContext, span: Span, lit: &Lit) {
               span,
               "the since field must contain a semver-compliant version");
 }
+
+fn is_word(nmi: &NestedMetaItem, expected: &str) -> bool {
+    if let NestedMetaItemKind::MetaItem(ref mi) = nmi.node {
+        if let MetaItemKind::Word(ref word) = mi.node {
+            return word == expected;
+        }
+    }
+
+    false
+}
diff --git a/clippy_lints/src/missing_doc.rs b/clippy_lints/src/missing_doc.rs
index 0871f5ab575..454f591756b 100644
--- a/clippy_lints/src/missing_doc.rs
+++ b/clippy_lints/src/missing_doc.rs
@@ -21,7 +21,7 @@ use rustc::hir;
 use rustc::lint::*;
 use rustc::ty;
 use syntax::ast;
-use syntax::attr::{self, AttrMetaMethods};
+use syntax::attr;
 use syntax::codemap::Span;
 use utils::in_macro;
 
@@ -99,7 +99,7 @@ impl LateLintPass for MissingDoc {
         let doc_hidden = self.doc_hidden() || attrs.iter().any(|attr| {
             attr.check_name("doc") && match attr.meta_item_list() {
                 None => false,
-                Some(l) => attr::contains_name(&l[..], "hidden"),
+                Some(l) => attr::list_contains_name(&l[..], "hidden"),
             }
         });
         self.doc_hidden_stack.push(doc_hidden);
@@ -123,6 +123,7 @@ impl LateLintPass for MissingDoc {
             hir::ItemStruct(..) => "a struct",
             hir::ItemTrait(..) => "a trait",
             hir::ItemTy(..) => "a type alias",
+            hir::ItemUnion(..) => "a union",
             hir::ItemDefaultImpl(..) |
             hir::ItemExternCrate(..) |
             hir::ItemForeignMod(..) |
diff --git a/clippy_lints/src/unsafe_removed_from_name.rs b/clippy_lints/src/unsafe_removed_from_name.rs
index 8d5e01db570..488ca5c8a62 100644
--- a/clippy_lints/src/unsafe_removed_from_name.rs
+++ b/clippy_lints/src/unsafe_removed_from_name.rs
@@ -51,8 +51,8 @@ impl LateLintPass for UnsafeNameRemoval {
                 ViewPath_::ViewPathList(_, ref path_list_items) => {
                     for path_list_item in path_list_items.iter() {
                         let plid = path_list_item.node;
-                        if let (Some(name), Some(rename)) = (plid.name(), plid.rename()) {
-                            unsafe_to_safe_check(name, rename, cx, &item.span);
+                        if let Some(rename) = plid.rename {
+                            unsafe_to_safe_check(plid.name, rename, cx, &item.span);
                         };
                     }
                 }
diff --git a/clippy_lints/src/utils/conf.rs b/clippy_lints/src/utils/conf.rs
index 748d144daa0..f9a93ed3f6e 100644
--- a/clippy_lints/src/utils/conf.rs
+++ b/clippy_lints/src/utils/conf.rs
@@ -4,13 +4,13 @@
 
 use std::{fmt, fs, io};
 use std::io::Read;
-use syntax::{ast, codemap, ptr};
+use syntax::{ast, codemap};
 use syntax::parse::token;
 use toml;
 
 /// Get the configuration file from arguments.
-pub fn file(args: &[ptr::P<ast::MetaItem>]) -> Result<Option<token::InternedString>, (&'static str, codemap::Span)> {
-    for arg in args {
+pub fn file(args: &[codemap::Spanned<ast::NestedMetaItemKind>]) -> Result<Option<token::InternedString>, (&'static str, codemap::Span)> {
+    for arg in args.iter().filter_map(|a| a.meta_item()) {
         match arg.node {
             ast::MetaItemKind::Word(ref name) |
             ast::MetaItemKind::List(ref name, _) => {