In a small bowl, mix the spices
Rub the spices all over the chicken breasts, and place them into the slow cooker
In a medium size bowl, add the soup, sour cream, broth, and mushroom pieces
Mix together, and pour over the chicken breasts
Set the slow cooker on high, and cook for 4-6 hours
Stir the sauce with the broth that has cooked out from the chicken
Cook the noodles according to package directions - drain
Serve chicken over linguine