Merge pull request #1176 from birkenfeld/master

rustup
diff --git a/clippy_lints/src/derive.rs b/clippy_lints/src/derive.rs
index 4177b95..2a0fca6 100644
--- a/clippy_lints/src/derive.rs
+++ b/clippy_lints/src/derive.rs
@@ -106,7 +106,8 @@
             let trait_ref = cx.tcx.impl_trait_ref(impl_id).expect("must be a trait implementation");
 
             // Only care about `impl PartialEq<Foo> for Foo`
-            if trait_ref.input_types()[0] == ty {
+            // For `impl PartialEq<B> for A, input_types is [A, B]
+            if trait_ref.input_types()[1] == ty {
                 let mess = if peq_is_automatically_derived {
                     "you are implementing `Hash` explicitly but have derived `PartialEq`"
                 } else {
diff --git a/clippy_lints/src/methods.rs b/clippy_lints/src/methods.rs
index c914d52..0dc6d5a 100644
--- a/clippy_lints/src/methods.rs
+++ b/clippy_lints/src/methods.rs
@@ -2,7 +2,6 @@
 use rustc::lint::*;
 use rustc::middle::const_val::ConstVal;
 use rustc::middle::const_qualif::ConstQualif;
-use rustc::ty::subst::TypeSpace;
 use rustc::ty;
 use rustc_const_eval::EvalHint::ExprTypeChecked;
 use rustc_const_eval::eval_const_expr_partial;
@@ -1085,7 +1084,7 @@
         return None;
     }
     if let ty::TyEnum(_, substs) = ty.sty {
-        if let Some(err_ty) = substs.types.opt_get(TypeSpace, 1) {
+        if let Some(err_ty) = substs.types.get(1) {
             return Some(err_ty);
         }
     }
diff --git a/clippy_lints/src/mutex_atomic.rs b/clippy_lints/src/mutex_atomic.rs
index ff2d8b2..9cd17a0 100644
--- a/clippy_lints/src/mutex_atomic.rs
+++ b/clippy_lints/src/mutex_atomic.rs
@@ -3,7 +3,6 @@
 //! This lint is **warn** by default
 
 use rustc::lint::{LintPass, LintArray, LateLintPass, LateContext};
-use rustc::ty::subst::ParamSpace;
 use rustc::ty;
 use rustc::hir::Expr;
 use syntax::ast;
@@ -60,7 +59,7 @@
         let ty = cx.tcx.expr_ty(expr);
         if let ty::TyStruct(_, subst) = ty.sty {
             if match_type(cx, ty, &paths::MUTEX) {
-                let mutex_param = &subst.types.get(ParamSpace::TypeSpace, 0).sty;
+                let mutex_param = &subst.types[0].sty;
                 if let Some(atomic_name) = get_atomic_name(mutex_param) {
                     let msg = format!("Consider using an {} instead of a Mutex here. If you just want the locking \
                                        behaviour and not the internal type, consider using Mutex<()>.",
diff --git a/clippy_lints/src/vec.rs b/clippy_lints/src/vec.rs
index 38f3340..6943cb2 100644
--- a/clippy_lints/src/vec.rs
+++ b/clippy_lints/src/vec.rs
@@ -89,7 +89,7 @@
 /// Return the item type of the vector (ie. the `T` in `Vec<T>`).
 fn vec_type(ty: ty::Ty) -> ty::Ty {
     if let ty::TyStruct(_, substs) = ty.sty {
-        substs.types.get(ty::subst::ParamSpace::TypeSpace, 0)
+        substs.types[0]
     } else {
         panic!("The type of `vec!` is a not a struct?");
     }