use &str / String literals instead of format!()

3 files changed, 8 insertions, 8 deletions

diff --git a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs
index 7c9fde27420..f8efe9bfa9f 100644
--- a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs
+++ b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs
@@ -138,10 +138,10 @@ pub fn is_const_evaluatable<'tcx>(
                 } else if uv.has_non_region_param() {
                     NotConstEvaluatable::MentionsParam
                 } else {
-                    let guar = infcx.tcx.sess.delay_span_bug(
-                        span,
-                        format!("Missing value for constant, but no error reported?"),
-                    );
+                    let guar = infcx
+                        .tcx
+                        .sess
+                        .delay_span_bug(span, "Missing value for constant, but no error reported?");
                     NotConstEvaluatable::Error(guar)
                 };
 
diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
index 2dd2c568bab..11eac052813 100644
--- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
+++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
@@ -2332,9 +2332,9 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
                                 // get rid of :: between Trait and <type>
                                 // must be '::' between them, otherwise the parser won't accept the code
                                 suggestions.push((between_span, "".to_string(),));
-                                suggestions.push((generic_arg.span_ext.shrink_to_hi(), format!(">")));
+                                suggestions.push((generic_arg.span_ext.shrink_to_hi(), ">".to_string()));
                             } else {
-                                suggestions.push((trait_path_segment.ident.span.shrink_to_hi(), format!(">")));
+                                suggestions.push((trait_path_segment.ident.span.shrink_to_hi(), ">".to_string()));
                             }
                             err.multipart_suggestion(
                                 message,
diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
index d47a5ea3e37..5a4c87c56d5 100644
--- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
+++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
@@ -2740,7 +2740,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
                             }
                             ty::Closure(def_id, _) => err.span_note(
                                 self.tcx.def_span(def_id),
-                                &format!("required because it's used within this closure"),
+                                "required because it's used within this closure",
                             ),
                             _ => err.note(&msg),
                         };
@@ -3386,7 +3386,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
             }
             err.span_note(
                 multi_span,
-                format!("the method call chain might not have had the expected associated types"),
+                "the method call chain might not have had the expected associated types",
             );
         }
     }