Slow Cooker BBQ Pulled Pork Sandwiches

Name: Slow Cooker BBQ Pulled Pork Sandwiches
Ingredients: 1 Reynolds® Slow Cooker Liner; 2 medium onions, sliced into thin wedges; 0.5 cup light beer or water; 1 (2 pound) boneless pork loin roast, trimmed of fat; 1 teaspoon chili powder; 1 teaspoon ground cumin, divided; 0.5 teaspoon ground black pepper; 0.25 teaspoon garlic powder; 1 cup barbecue sauce; 0.25 cup cider vinegar; 1 tablespoon honey; 0.5 teaspoon ground ginger; 12 whole wheat hamburger buns, split and toasted; 1 (8 ounce) package pre-shredded cabbage and carrots; 0.25 cup olive oil; 2 teaspoons lime zest; 3 tablespoons lime juice; 1 jalapeno, thinly sliced; 0.25 teaspoon salt; 0.25 teaspoon black pepper