package protected trait escaping its visibility scope in specs2

gistfile1.sbt

import org.specs2.mutable.Specification
import org.specs2.matcher.MatchResult

// protected[specs2] trait MatchResult[T] ...

class DummySpec extends Specification {

  // Is MatchResult escaping its visibility scope here?
  //           vvvvvvvvvvv
  def intSpec: MatchResult[Int] = 1 must be equalTo  1

  "Dummy" should {
    "always succeed" in {
      intSpec
    }
  }
}