diff --git a/parser/src/sema/semantic_analysis.rs b/parser/src/sema/semantic_analysis.rs
index 0788a03b..37861305 100644
--- a/parser/src/sema/semantic_analysis.rs
+++ b/parser/src/sema/semantic_analysis.rs
@@ -1386,7 +1386,7 @@ impl<'a> SemanticAnalysis<'a> {
                                         // and we will have already validated the reference
                                         let (import_id, module_id) = self.imported.get_key_value(&id).unwrap();
                                         let module = self.library.get(module_id).unwrap();
-                                        if module.evaluators.get(&id.id()).is_none() {
+                                        if !module.evaluators.contains_key(&id.id()) {
                                             self.invalid_constraint(id.span(), "calls in constraints must be to evaluator functions")
                                                 .with_secondary_label(import_id.span(), "the function imported here is not an evaluator")
                                                 .emit();
diff --git a/parser/src/transforms/inlining.rs b/parser/src/transforms/inlining.rs
index 5f793b3a..871ee6a6 100644
--- a/parser/src/transforms/inlining.rs
+++ b/parser/src/transforms/inlining.rs
@@ -115,11 +115,11 @@ impl<'p> Pass for Inlining<'p> {
             .collect();
 
         // We'll be referencing the trace configuration during inlining, so keep a copy of it
-        self.trace = program.trace_columns.clone();
+        self.trace.clone_from(&program.trace_columns);
         // Same with the random values
-        self.random_values = program.random_values.clone();
+        self.random_values.clone_from(&program.random_values);
         // And the public inputs
-        self.public_inputs = program.public_inputs.clone();
+        self.public_inputs.clone_from(&program.public_inputs);
 
         // Add all of the local bindings visible in the root module, except for
         // constants and periodic columns, which by this point have been rewritten