apply suggested lint fixes

Author: nils-degroot

clippy_lints/src/as_slice_instead_of_reference_full_range.rs

@@ -1,7 +1,7 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::source::snippet_with_applicability;
 use rustc_errors::Applicability;
-use rustc_hir::*;
+use rustc_hir::{Expr, ExprKind, LangItem, Mutability, QPath};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
 
@@ -38,29 +38,30 @@ impl LateLintPass<'_> for AsSliceInsteadOfReferenceFullRange {
             && let ExprKind::Struct(qpath, _, _) = indexing.kind
             && let QPath::LangItem(LangItem::RangeFull, _) = qpath
         {
-            let snippet = snippet_with_applicability(cx, name.span, "..", &mut Applicability::Unspecified);
+            let mut app = Applicability::MachineApplicable;
+            let snippet = snippet_with_applicability(cx, name.span, "..", &mut app);
 
             match mutability {
                 Mutability::Not => {
                     span_lint_and_sugg(
                         cx,
                         AS_SLICE_INSTEAD_OF_REFERENCE_FULL_RANGE,
                         expr.span,
-                        format!("Use `.as_slice()` instead of full range slice"),
+                        "Use `.as_slice()` instead of full range slice",
                         "try",
                         format!("{snippet}.as_slice()"),
-                        Applicability::Unspecified,
+                        app,
                     );
                 },
                 Mutability::Mut => {
                     span_lint_and_sugg(
                         cx,
                         AS_SLICE_INSTEAD_OF_REFERENCE_FULL_RANGE,
                         expr.span,
-                        format!("Use `.as_mut_slice()` instead of full range slice"),
+                        "Use `.as_mut_slice()` instead of full range slice",
                         "try",
                         format!("{snippet}.as_mut_slice()"),
-                        Applicability::Unspecified,
+                        app,
                     );
                 },
             }