diff --git a/bin/src/control.rs b/bin/src/control.rs
index 8c1f51d..0c5adbc 100644
--- a/bin/src/control.rs
+++ b/bin/src/control.rs
@@ -1,4 +1,7 @@
-use std::{error::Error, fmt};
+use std::{
+    error::Error,
+    fmt::{self, Display},
+};
 
 use matching::matching_configuration;
 use parsing::ParserConfiguration;
@@ -30,11 +33,11 @@ pub enum ExecutionResult {
     WithoutConflicts(String),
 }
 
-impl ToString for ExecutionResult {
-    fn to_string(&self) -> String {
+impl Display for ExecutionResult {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
-            ExecutionResult::WithConflicts(value) => value.to_owned(),
-            ExecutionResult::WithoutConflicts(value) => value.to_owned(),
+            ExecutionResult::WithConflicts(value) => write!(f, "{}", value),
+            ExecutionResult::WithoutConflicts(value) => write!(f, "{}", value),
         }
     }
 }
diff --git a/merge/src/merged_cst_node.rs b/merge/src/merged_cst_node.rs
index 20112ac..8778415 100644
--- a/merge/src/merged_cst_node.rs
+++ b/merge/src/merged_cst_node.rs
@@ -62,12 +62,9 @@ impl Display for MergedCSTNode<'_> {
                 write!(f, "{}", result)
             }
             MergedCSTNode::Conflict { left, right } => match (left, right) {
-                (Some(left), Some(right)) => write!(
-                    f,
-                    "<<<<<<<<< {} ========= {} >>>>>>>>>",
-                    left,
-                    right
-                ),
+                (Some(left), Some(right)) => {
+                    write!(f, "<<<<<<<<< {} ========= {} >>>>>>>>>", left, right)
+                }
                 (Some(left), None) => {
                     write!(f, "<<<<<<<<< {} ========= >>>>>>>>>", left)
                 }