Remove `to_string` on msg

Co-authored-by: Philipp Krones <hello@philkrones.com>

diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs
index bd04a95e4a193339ba2e700373aa6438a2673d04..4df1b3d197f88c7388cca27477efc2ef59650eb1 100644 (file)
--- a/clippy_lints/src/methods/mod.rs
+++ b/clippy_lints/src/methods/mod.rs
@@ -3111,7 +3111,7 @@ fn lint_search_is_some<'tcx>(
             then {
                 let msg = "called `is_some()` after calling `find()` \
                     on a string. This is more succinctly expressed by calling \
-                    `contains()`.".to_string();
+                    `contains()`";
                 let mut applicability = Applicability::MachineApplicable;
                 let find_arg = snippet_with_applicability(cx, search_args[1].span, "..", &mut applicability);
                 span_lint_and_sugg(