Fix compile warnings

parity/account_utils.rs

@@ -48,11 +48,11 @@ mod accounts {
 		Ok(None)
 	}
 
-	pub fn private_tx_signer(_account_provider: Arc<AccountProvider>, _passwords: &[Password]) -> Result<Arc<::ethcore_private_tx::Signer>, String> {
+	pub fn private_tx_signer(_account_provider: Arc<AccountProvider>, _passwords: &[Password]) -> Result<Arc<dyn (::ethcore_private_tx::Signer)>, String> {
 		Ok(Arc::new(::ethcore_private_tx::DummySigner))
 	}
 
-	pub fn accounts_list(_account_provider: Arc<AccountProvider>) -> Arc<Fn() -> Vec<Address> + Send + Sync> {
+	pub fn accounts_list(_account_provider: Arc<AccountProvider>) -> Arc<dyn Fn() -> Vec<Address> + Send + Sync> {
 		Arc::new(|| vec![])
 	}
 }

rpc/src/v1/helpers/errors.rs

@@ -58,6 +58,7 @@ mod codes {
 	pub const REQUEST_REJECTED_LIMIT: i64 = -32041;
 	pub const REQUEST_NOT_FOUND: i64 = -32042;
 	pub const ENCRYPTION_ERROR: i64 = -32055;
+	#[cfg(any(test, feature = "accounts"))]
 	pub const ENCODING_ERROR: i64 = -32058;
 	pub const FETCH_ERROR: i64 = -32060;
 	pub const NO_LIGHT_PEERS: i64 = -32065;

rpc/src/v1/types/derivation.rs

@@ -30,14 +30,16 @@ pub enum DerivationType {
 }
 
 /// Derivation request by hash
+#[cfg_attr(not(any(test, feature = "accounts")), allow(unused))]
 #[derive(Deserialize)]
 pub struct DeriveHash {
 	hash: H256,
 	#[serde(rename = "type")]
 	d_type: DerivationType,
 }
 
-/// Node propertoes in hierarchical derivation request
+/// Node properties in hierarchical derivation request
+#[cfg_attr(not(any(test, feature = "accounts")), allow(unused))]
 #[derive(Deserialize)]
 pub struct DeriveHierarchicalItem {
 	index: u64,