Fix master build

frame/lottery/src/benchmarking.rs

@@ -1,6 +1,6 @@
 // This file is part of Substrate.
 
-// Copyright (C) 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) 2021 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -47,8 +47,6 @@ fn setup_lottery<T: Config>(repeat: bool) -> Result<(), &'static str> {
 }
 
 benchmarks! {
-	_ { }
-
 	buy_ticket {
 		let caller = whitelisted_caller();
 		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());

frame/lottery/src/lib.rs

@@ -1,6 +1,6 @@
 // This file is part of Substrate.
 
-// Copyright (C) 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) 2021 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 // Licensed under the Apache License, Version 2.0 (the "License");

frame/lottery/src/mock.rs

@@ -1,6 +1,6 @@
 // This file is part of Substrate.
 
-// Copyright (C) 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) 2021 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 // Licensed under the Apache License, Version 2.0 (the "License");

frame/lottery/src/tests.rs

@@ -1,6 +1,6 @@
 // This file is part of Substrate.
 
-// Copyright (C) 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) 2021 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 // Licensed under the Apache License, Version 2.0 (the "License");