There’s no shortage of aspiring filmmakers in Allston, each of whom has probably dreamed of making " The Allston Movie " at one time or another. Alice Cox has done just that with her locally filmed debut feature. But don’t jump to any conclusions based on the title: Metal is not a series of woozy vignettes from the Model Café set to an Allston Rock City soundtrack. Local indie-rock songstress Natalie Flanagan stars as Jane, a, uh, local indie-rock songstress who discovers she’s a human clone of a recent neighborhood transplant also named Jane (Rachel Palleschi). Both of them befriend a local rug maker (Michael Blair), both play shows at the Abbey Lounge in Somerville, and eventually they strike up a bewildered friendship. The metaphysics of it all get confusing but not too campy; the characters are forlorn but engaging enough to make up for the slowly evolving, decidedly non-linear plot. The story is interspersed with bits of vérité (visits to local underground landmarks Radio Free Allston and Local Idea Council) and a recurring historical narration by Blair. It’s a deliberately unglamorous portrait of the neighborhood, like a feature-length snapshot of what remains after all the cheery college students have gone home for the summer.