def with_logger
        if env = manifest.environment
          old_logger = env.logger
          env.logger = @logger
        end
        yield
      ensure
        env.logger = old_logger if env
      end
def with_logger
        if env = manifest.environment
          old_logger = env.logger
          env.logger = @logger
        end
        yield
      ensure
        env.logger = old_logger if env
      end
Sub out environment logger with our rake task logger that
 writes to stderr.