Gannon opted to start Exodus Geohaghon alongside Anthony Griffith in midfield, with JustinRichards a lone striker and new arrival Tom Pope on the bench.
Only striker JustinRichards has turned down an offer to join Lloyd-Weston's former club Port Vale, while club captain Shane Duff is still yet to make his decision.
The visitors piled on the pressure after the interval and twice Wilkerson produced fine saves to deny MacDonald, while JustinRichards shot just the wrong side of the post and then blazed the ball over the crossbar.