diff --git a/keyserver/addons/rust-node-addon/build.rs b/keyserver/addons/rust-node-addon/build.rs
--- a/keyserver/addons/rust-node-addon/build.rs
+++ b/keyserver/addons/rust-node-addon/build.rs
@@ -13,8 +13,7 @@
   println!("cargo:rerun-if-changed={}", VERSIONS_JS_PATH);
   let js_path = Path::new(VERSIONS_JS_PATH);
 
-  let content =
-    fs::read_to_string(&js_path).expect("Failed to read version.js");
+  let content = fs::read_to_string(js_path).expect("Failed to read version.js");
 
   let version_line = content
     .lines()
@@ -28,7 +27,7 @@
   // semicolon.
   let re = Regex::new(r"webAndKeyserverCodeVersion\s*=\s*(\d+);").unwrap();
   let version: u64 = re
-    .captures(&version_line)
+    .captures(version_line)
     .and_then(|cap| cap.get(1))
     .map_or_else(
       || panic!("Failed to capture version number"),
@@ -43,7 +42,7 @@
   let rust_path = Path::new(&out_dir).join("version.rs");
 
   fs::write(
-    &rust_path,
+    rust_path,
     format!("pub const CODE_VERSION: u64 = {};", version),
   )
   .expect("Failed to write version.rs");
diff --git a/keyserver/addons/rust-node-addon/src/identity_client/login.rs b/keyserver/addons/rust-node-addon/src/identity_client/login.rs
--- a/keyserver/addons/rust-node-addon/src/identity_client/login.rs
+++ b/keyserver/addons/rust-node-addon/src/identity_client/login.rs
@@ -32,7 +32,7 @@
 
   let login_start_request = OpaqueLoginStartRequest {
     opaque_login_request,
-    username: username,
+    username,
     device_key_upload: Some(DeviceKeyUpload {
       device_key_info: Some(IdentityKeyInfo {
         payload: signed_identity_keys_blob.payload,