FunErrTest.idr:35:17:When checking right hand side of badCadr1: When checking argument cons2 to function FunErrTest.cadr: Could not prove that [] has at least two elements. FunErrTest.idr:38:17:When checking right hand side of badCadr2: When checking argument cons2 to function FunErrTest.cadr: Could not prove that [] has at least two elements.