diff --git a/cargo-registry-markdown/lib.rs b/cargo-registry-markdown/lib.rs
index 688baacc2f6..98c04e69af8 100644
--- a/cargo-registry-markdown/lib.rs
+++ b/cargo-registry-markdown/lib.rs
@@ -267,7 +267,7 @@ pub fn text_to_html(
         }
     }
 
-    encode_minimal(text).replace("\n", "<br>\n")
+    encode_minimal(text).replace('\n', "<br>\n")
 }
 
 /// Helper function to build a new `HashSet` from the items slice.
diff --git a/src/tests/record.rs b/src/tests/record.rs
index 3b4115956d0..5cfc0229f1b 100644
--- a/src/tests/record.rs
+++ b/src/tests/record.rs
@@ -247,7 +247,7 @@ async fn record_http(req: Request<Body>, client: Client) -> Result<ResponseAndEx
             .iter()
             .map(|h| (h.0.as_str().to_string(), h.1.to_str().unwrap().to_string()))
             .collect(),
-        body: base64::encode(&body.to_vec()),
+        body: base64::encode(&body),
     };
 
     // Construct an outgoing request
@@ -273,7 +273,7 @@ async fn record_http(req: Request<Body>, client: Client) -> Result<ResponseAndEx
             .iter()
             .map(|h| (h.0.as_str().to_string(), h.1.to_str().unwrap().to_string()))
             .collect(),
-        body: base64::encode(&body.to_vec()),
+        body: base64::encode(&body),
     };
 
     // Construct an outgoing response
@@ -371,7 +371,7 @@ impl GhUser {
             return;
         }
 
-        let password = crate::env(&format!("GH_PASS_{}", self.login.replace("-", "_")));
+        let password = crate::env(&format!("GH_PASS_{}", self.login.replace('-', "_")));
         #[derive(Serialize)]
         struct Authorization {
             scopes: Vec<String>,
