// TODO record the stage it got to and display that
private static void cancel(StepContext context, StepContext newer) throws IOException, InterruptedException {
println(context, "Canceled since " + newer.get(Run.class).getDisplayName() + " got here");
println(newer, "Canceling older " + context.get(Run.class).getDisplayName());
context.onFailure(new FlowInterruptedException(Result.NOT_BUILT, new CanceledCause(newer.get(Run.class))));
}