New federal rules would prevent international students who graduate from early childhood education programs from applying for a work permit in Canada — a change that the Ontario government, colleges and advocates warn will kneecap the growth of Ottawa's signature $10-a-day child-care program.Children's backpacks and shoes are seen at a daycare franchise, in Langley, B.C., on May 29, 2018. THE CANADIAN PRESS/Darryl Dyck