message: remove usize cast
diff: @@ -123,7 +123,7 @@ pub fn global_var_method(input: mutation::InputGlobalVarMethod) -> bool {
  pub fn subsequent_invokes(input: mutation::InputSubsequentInvokes) -> Vec<String> {
  let mut result: Vec<String> = vec![];
  - for i in 0..input.number_of_times as usize {
  + for i in 0..input.number_of_times {
  match EthereumMutation::call_contract_method(&ethereum_mutation::InputCallContractMethod {
  address: input.address.clone(),
  method: "function set(uint256 value)".to_string(),
  