Courtesy of TIFFTORONTO, Canada—Conspiracies are everywhere in Poolman, although the greatest mystery might be how anyone involved was attracted to this tidal wave of dire kookiness. Aiming for ramshackle neo-noir comedy in the vein of The Big Lebowski and Under the Silver Lake, Chris Pine’s star-studded directorial debut (premiering at this year’s Toronto International Film Festival) spins convoluted webs that are both nonsensical and humorless. It’s difficult to remember the last time a wannab