fix test fail

Author: lengyijun

clippy_lints/src/checked_conversions.rs

@@ -319,7 +319,7 @@ fn get_implementing_type<'a>(path: &QPath<'_>, candidates: &'a [&str], function:
         if let QPath::TypeRelative(ty, path) = &path;
         if path.ident.name.as_str() == function;
         if let TyKind::Path(QPath::Resolved(None, tp)) = &ty.kind;
-        if let [int] = &*tp.segments;
+        if let [int] = tp.segments;
         then {
             let name = &int.ident.name.as_str();
             candidates.iter().find(|c| name == *c).copied()
@@ -333,7 +333,7 @@ fn get_implementing_type<'a>(path: &QPath<'_>, candidates: &'a [&str], function:
 fn int_ty_to_sym<'tcx>(path: &QPath<'_>) -> Option<&'tcx str> {
     if_chain! {
         if let QPath::Resolved(_, path) = *path;
-        if let [ty] = &*path.segments;
+        if let [ty] = path.segments;
         then {
             let name = &ty.ident.name.as_str();
             INTS.iter().find(|c| name == *c).copied()

clippy_lints/src/format.rs

@@ -54,7 +54,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessFormat {
                 span_useless_format_empty(cx, call_site, "String::new()".to_owned(), applicability);
             } else {
                 if_chain! {
-                    if let [e] = &*format_args.format_string_parts;
+                    if let [e] = format_args.format_string_parts;
                     if let ExprKind::Lit(lit) = &e.kind;
                     if let Some(s_src) = snippet_opt(cx, lit.span);
                     then {

clippy_utils/src/higher.rs

@@ -36,7 +36,7 @@ impl<'tcx> ForLoop<'tcx> {
             if let hir::ExprKind::Match(iterexpr, [arm], hir::MatchSource::ForLoopDesugar) = e.kind;
             if let hir::ExprKind::Call(_, [arg]) = iterexpr.kind;
             if let hir::ExprKind::Loop(block, ..) = arm.body.kind;
-            if let [stmt] = &*block.stmts;
+            if let [stmt] = block.stmts;
             if let hir::StmtKind::Expr(e) = stmt.kind;
             if let hir::ExprKind::Match(_, [_, some_arm], _) = e.kind;
             if let hir::PatKind::Struct(_, [field], _) = some_arm.pat.kind;