diff --git a/src/cli/apply.rs b/src/cli/apply.rs
index be7fe35..9fa5bbf 100644
--- a/src/cli/apply.rs
+++ b/src/cli/apply.rs
@@ -31,7 +31,7 @@ pub struct ApplyArgs {
     /// Add extra guide message to GitHub format output.
     #[arg(short, long, env)]
     guide: Option<String>,
-    /// Do not fail if there are confirmed findings. Fail on errors even if no_fail is true.
+    /// Do not fail if there are confirmed findings. Fail on errors even if `no_fail` is true.
     #[arg(short, long, env)]
     no_fail: bool,
 }
diff --git a/src/cli/review.rs b/src/cli/review.rs
index a0cd597..63253bd 100644
--- a/src/cli/review.rs
+++ b/src/cli/review.rs
@@ -171,7 +171,7 @@ fn print_confirmed_summary(results: &[FilterResult], out: &mut dyn Write) -> any
     results_by_rule_id_sorted.sort_by_key(|(_, r)| Reverse(r.confirmed));
     for (rule_id, per_result) in &results_by_rule_id_sorted {
         builder.push_record([
-            &rule_id,
+            rule_id,
             &(per_result.confirmed + per_result.allowed).to_string(),
             &per_result.allowed.to_string(),
             &per_result.confirmed.to_string(),
diff --git a/src/config.rs b/src/config.rs
index 88717f8..5676464 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -203,7 +203,7 @@ mod tests {
     #[test]
     fn test_validate_duplication_ok() {
         let mut allowlist = test::build_empty_allowlist();
-        allowlist.id = "another-allowlist".to_owned();
+        "another-allowlist".clone_into(&mut allowlist.id);
         let allowlists = vec![allowlist, test::build_empty_allowlist()];
         assert!(validate_duplication(&allowlists).is_ok());
     }
diff --git a/src/diff.rs b/src/diff.rs
index d249a65..319aa47 100644
--- a/src/diff.rs
+++ b/src/diff.rs
@@ -163,7 +163,7 @@ mod tests {
     fn test_compute_diff_confimed_diff_before_empty_after() -> Result {
         let fingerprint = "fingerprint-a".to_owned();
         let mut finding = build_empty_finding();
-        finding.fingerprint = fingerprint.clone();
+        finding.fingerprint.clone_from(&fingerprint);
         let befores = vec![FilterResult {
             repo_name: "repo1".to_owned(),
             confirmed: vec![finding],
@@ -186,7 +186,7 @@ mod tests {
     fn test_compute_diff_confimed_diff_before_no_filter_result() -> Result {
         let fingerprint = "fingerprint-a".to_owned();
         let mut finding = build_empty_finding();
-        finding.fingerprint = fingerprint.clone();
+        finding.fingerprint.clone_from(&fingerprint);
         let befores = vec![FilterResult {
             repo_name: "repo1".to_owned(),
             confirmed: vec![finding],
@@ -206,7 +206,7 @@ mod tests {
     fn test_compute_diff_confimed_diff_before_present_after() -> Result {
         let fingerprint_before = "fingerprint-before".to_owned();
         let mut finding_before = build_empty_finding();
-        finding_before.fingerprint = fingerprint_before.clone();
+        finding_before.fingerprint.clone_from(&fingerprint_before);
         let befores = vec![FilterResult {
             repo_name: "repo1".to_owned(),
             confirmed: vec![finding_before],
@@ -215,7 +215,7 @@ mod tests {
 
         let fingerprint_after = "fingerprint-after".to_owned();
         let mut finding_after = build_empty_finding();
-        finding_after.fingerprint = fingerprint_after.clone();
+        finding_after.fingerprint.clone_from(&fingerprint_after);
         let afters = vec![FilterResult {
             repo_name: "repo1".to_owned(),
             confirmed: vec![finding_after],
@@ -235,7 +235,7 @@ mod tests {
     fn test_compute_diff_confimed_diff_after() -> Result {
         let fingerprint = "fingerprint-a".to_owned();
         let mut finding = build_empty_finding();
-        finding.fingerprint = fingerprint.clone();
+        finding.fingerprint.clone_from(&fingerprint);
         let befores = vec![build_empty_filter_result("repo1")];
         let afters = vec![FilterResult {
             repo_name: "repo1".to_owned(),
@@ -255,7 +255,7 @@ mod tests {
     fn test_compute_diff_allowed_diff_before() -> Result {
         let fingerprint = "fingerprint-a".to_owned();
         let mut allowed_finding = build_empty_allowed_finding();
-        allowed_finding.finding.fingerprint = fingerprint.clone();
+        allowed_finding.finding.fingerprint.clone_from(&fingerprint);
         let befores = vec![FilterResult {
             repo_name: "repo1".to_owned(),
             confirmed: vec![],
@@ -279,7 +279,7 @@ mod tests {
     fn test_compute_diff_confimed_diff_after_no_filter_result() -> Result {
         let fingerprint = "fingerprint-a".to_owned();
         let mut finding = build_empty_finding();
-        finding.fingerprint = fingerprint.clone();
+        finding.fingerprint.clone_from(&fingerprint);
         let befores = vec![];
         let afters = vec![FilterResult {
             repo_name: "repo1".to_owned(),
@@ -299,7 +299,7 @@ mod tests {
     fn test_compute_diff_confimed_diff_after_present_before() -> Result {
         let fingerprint_before = "fingerprint-before".to_owned();
         let mut allowed_finding_before = build_empty_allowed_finding();
-        allowed_finding_before.finding.fingerprint = fingerprint_before.clone();
+        allowed_finding_before.finding.fingerprint.clone_from(&fingerprint_before);
         let befores = vec![FilterResult {
             repo_name: "repo1".to_owned(),
             confirmed: vec![],
@@ -308,7 +308,7 @@ mod tests {
 
         let fingerprint_after = "fingerprint-after".to_owned();
         let mut allowed_finding_after = build_empty_allowed_finding();
-        allowed_finding_after.finding.fingerprint = fingerprint_after.clone();
+        allowed_finding_after.finding.fingerprint.clone_from(&fingerprint_after);
         let afters = vec![FilterResult {
             repo_name: "repo1".to_owned(),
             confirmed: vec![],
diff --git a/src/filter.rs b/src/filter.rs
index 23ccec1..37d39eb 100644
--- a/src/filter.rs
+++ b/src/filter.rs
@@ -209,7 +209,7 @@ mod tests {
         let mut finding = build_empty_finding();
 
         allowlist.stopwords = Some(vec!["dev".to_owned()]);
-        finding.secret = "334-dev-kjdlsa93428".to_owned();
+        "334-dev-kjdlsa93428".clone_into(&mut finding.secret);
         assert_allow(&allowlist, &finding)
     }
 
@@ -219,7 +219,7 @@ mod tests {
         let mut finding = build_empty_finding();
 
         set_regex_expr_to_allowlist(&mut allowlist, "^test-secret$")?;
-        finding.secret = "test-secret".to_owned();
+        "test-secret".clone_into(&mut finding.secret);
         assert_allow(&allowlist, &finding)
     }
 
@@ -229,7 +229,7 @@ mod tests {
         let mut finding = build_empty_finding();
 
         set_regex_expr_to_allowlist(&mut allowlist, "^test$")?;
-        finding.secret = "test-secret".to_owned();
+        "test-secret".clone_into(&mut finding.secret);
         assert_not_allow(&allowlist, &finding)
     }
 
@@ -240,8 +240,8 @@ mod tests {
 
         allowlist.regex_target = Some(RegexTarget::Match);
         set_regex_expr_to_allowlist(&mut allowlist, "^key = test-secret")?;
-        finding.secret = "test-secret".to_owned();
-        finding.matched = "key = test-secret".to_owned();
+        "test-secret".clone_into(&mut finding.secret);
+        "key = test-secret".clone_into(&mut finding.matched);
         assert_allow(&allowlist, &finding)
     }
 
@@ -252,8 +252,8 @@ mod tests {
 
         allowlist.regex_target = Some(RegexTarget::Match);
         set_regex_expr_to_allowlist(&mut allowlist, "^test-secret$")?;
-        finding.secret = "test-secret".to_owned();
-        finding.matched = "key = test-secret".to_owned();
+        "test-secret".clone_into(&mut finding.secret);
+        "key = test-secret".clone_into(&mut finding.matched);
         assert_not_allow(&allowlist, &finding)
     }
 
@@ -264,9 +264,9 @@ mod tests {
 
         allowlist.regex_target = Some(RegexTarget::Line);
         set_regex_expr_to_allowlist(&mut allowlist, "^book_key = test-secret")?;
-        finding.secret = "test-secret".to_owned();
-        finding.matched = "key = test-secret".to_owned();
-        finding.line = "book_key = test-secret # comment".to_owned();
+        "test-secret".clone_into(&mut finding.secret);
+        "key = test-secret".clone_into(&mut finding.matched);
+        "book_key = test-secret # comment".clone_into(&mut finding.line);
         assert_allow(&allowlist, &finding)
     }
 }