warning: unused variable 'jsonFound1' [-Wunused-variable,12]

gistfile1.m

    NSURL *apiURL = [NSURL URLWithString:@"http://api.stackoverflow.com/1.1/questions?tagged=objective-c&pagesize=30"];
    
    NSError *error = nil;
    
    // First option - failed
    NSInputStream *inputStream = [NSInputStream inputStreamWithURL:apiURL]; // returning nil
    id jsonFound1 = [NSJSONSerialization JSONObjectWithStream:inputStream options:NSJSONReadingMutableContainers error:&error];