Catchable fatal error: Argument 1 passed to taskRunner() must be an instance of Callable, instance of Test given, called in /in/rVhr9 on line 15 and defined in /in/rVhr9 on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'Callable' not found in /in/rVhr9 on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/rVhr9 on line 2
Process exited with code 255.