Merge pull request #3911 from phansch/rustup3

Rustup to rust-lang/rust#58805

Author: flip1995

clippy_lints/src/types.rs

@@ -1533,7 +1533,7 @@ impl LintPass for CharLitAsU8 {
 
 impl<'a, 'tcx> LateLintPass<'a, 'tcx> for CharLitAsU8 {
     fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
-        use syntax::ast::{LitKind, UintTy};
+        use syntax::ast::LitKind;
 
         if let ExprKind::Cast(ref e, _) = expr.node {
             if let ExprKind::Lit(ref l) = e.node {
@@ -1818,7 +1818,6 @@ impl Ord for FullInt {
 
 fn numeric_cast_precast_bounds<'a>(cx: &LateContext<'_, '_>, expr: &'a Expr) -> Option<(FullInt, FullInt)> {
     use std::*;
-    use syntax::ast::{IntTy, UintTy};
 
     if let ExprKind::Cast(ref cast_exp, _) = expr.node {
         let pre_cast_ty = cx.tables.expr_ty(cast_exp);

tests/ui/use_self.fixed

@@ -239,6 +239,7 @@ mod nesting {
     struct Foo {}
     impl Foo {
         fn foo() {
+            #[allow(unused_imports)]
             use self::Foo; // Can't use Self here
             struct Bar {
                 foo: Foo, // Foo != Self

tests/ui/use_self.rs

@@ -239,6 +239,7 @@ mod nesting {
     struct Foo {}
     impl Foo {
         fn foo() {
+            #[allow(unused_imports)]
             use self::Foo; // Can't use Self here
             struct Bar {
                 foo: Foo, // Foo != Self

tests/ui/use_self.stderr

@@ -151,43 +151,43 @@ LL |         use_self_expand!(); // Should lint in local macros
    |         ------------------- in this macro invocation
 
 error: unnecessary structure name repetition
-  --> $DIR/use_self.rs:260:21
+  --> $DIR/use_self.rs:261:21
    |
 LL |         fn baz() -> Foo {
    |                     ^^^ help: use the applicable keyword: `Self`
 
 error: unnecessary structure name repetition
-  --> $DIR/use_self.rs:261:13
+  --> $DIR/use_self.rs:262:13
    |
 LL |             Foo {}
    |             ^^^ help: use the applicable keyword: `Self`
 
 error: unnecessary structure name repetition
-  --> $DIR/use_self.rs:248:29
+  --> $DIR/use_self.rs:249:29
    |
 LL |                 fn bar() -> Bar {
    |                             ^^^ help: use the applicable keyword: `Self`
 
 error: unnecessary structure name repetition
-  --> $DIR/use_self.rs:249:21
+  --> $DIR/use_self.rs:250:21
    |
 LL |                     Bar { foo: Foo {} }
    |                     ^^^ help: use the applicable keyword: `Self`
 
 error: unnecessary structure name repetition
-  --> $DIR/use_self.rs:303:13
+  --> $DIR/use_self.rs:304:13
    |
 LL |             nested::A::fun_1();
    |             ^^^^^^^^^ help: use the applicable keyword: `Self`
 
 error: unnecessary structure name repetition
-  --> $DIR/use_self.rs:304:13
+  --> $DIR/use_self.rs:305:13
    |
 LL |             nested::A::A;
    |             ^^^^^^^^^ help: use the applicable keyword: `Self`
 
 error: unnecessary structure name repetition
-  --> $DIR/use_self.rs:306:13
+  --> $DIR/use_self.rs:307:13
    |
 LL |             nested::A {};
    |             ^^^^^^^^^ help: use the applicable keyword: `Self`