Auto merge of #5665 - flip1995:rustup, r=matthiaskrgr

Rustup

r? @matthiaskrgr

I finally got to doing the rustup. Sorry for taking so long, I was busy the last few days.

@ebroto FYI: I had to add b6c58f0 to make Clippy pass the rustc test suite.

changelog: none

clippy_lints/src/needless_pass_by_value.rs

@@ -111,7 +111,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessPassByValue {
 
         let fn_def_id = cx.tcx.hir().local_def_id(hir_id);
 
-        let preds = traits::elaborate_predicates(cx.tcx, cx.param_env.caller_bounds.iter().copied())
+        let preds = traits::elaborate_predicates(cx.tcx, cx.param_env.caller_bounds.iter())
             .filter(|p| !p.is_global())
             .filter_map(|obligation| {
                 if let ty::PredicateKind::Trait(poly_trait_ref, _) = obligation.predicate.kind() {
@@ -173,14 +173,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessPassByValue {
                     !preds.is_empty() && {
                         let ty_empty_region = cx.tcx.mk_imm_ref(cx.tcx.lifetimes.re_root_empty, ty);
                         preds.iter().all(|t| {
-                            let ty_params = &t
-                                .skip_binder()
-                                .trait_ref
-                                .substs
-                                .iter()
-                                .skip(1)
-                                .cloned()
-                                .collect::<Vec<_>>();
+                            let ty_params = &t.skip_binder().trait_ref.substs.iter().skip(1).collect::<Vec<_>>();
                             implements_trait(cx, ty_empty_region, t.def_id(), ty_params)
                         })
                     },

clippy_lints/src/write.rs

@@ -279,13 +279,12 @@ impl EarlyLintPass for Write {
             if let (Some(fmt_str), expr) = self.check_tts(cx, &mac.args.inner_tokens(), true) {
                 if fmt_str.symbol == Symbol::intern("") {
                     let mut applicability = Applicability::MachineApplicable;
-                    let suggestion = expr.map_or_else(
-                        move || {
-                            applicability = Applicability::HasPlaceholders;
-                            Cow::Borrowed("v")
-                        },
-                        move |expr| snippet_with_applicability(cx, expr.span, "v", &mut applicability),
-                    );
+                    let suggestion = if let Some(e) = expr {
+                        snippet_with_applicability(cx, e.span, "v", &mut applicability)
+                    } else {
+                        applicability = Applicability::HasPlaceholders;
+                        Cow::Borrowed("v")
+                    };
 
                     span_lint_and_sugg(
                         cx,

src/driver.rs

@@ -1,6 +1,5 @@
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 #![feature(rustc_private)]
-#![feature(str_strip)]
 
 // FIXME: switch to something more ergonomic here, once available.
 // (Currently there is no way to opt into sysroot crates without `extern crate`.)

tests/compile-test.rs

@@ -213,6 +213,10 @@ fn run_ui_cargo(config: &mut compiletest::Config) {
         Ok(result)
     }
 
+    if cargo::is_rustc_test_suite() {
+        return;
+    }
+
     config.mode = TestMode::Ui;
     config.src_base = Path::new("tests").join("ui-cargo").canonicalize().unwrap();