lines().take consumes too much

[OlegYch]

object Test extends App {

  import java.io
  import collection.JavaConversions._

  fout(new ProcessBuilder(Seq("ls", "~")).start().getInputStream)
  fout2(new ProcessBuilder(Seq("ls", "~")).start().getInputStream)

  def fout(fout: io.InputStream) {
    import scalax.io._
    import JavaConverters._

    println(fout.available())
    val output = fout.asUnmanagedInput.lines(terminator = Line.Terminators.Custom("" + 10.toChar))

    println(fout.available())
    println(output.take(1).mkString)
    println(fout.available())
    println(output.take(1).mkString)
    println(fout.available())

    println("done")
  }

  def fout2(fout: io.InputStream) {
    import scalax.io._
    import JavaConverters._

    println(fout.available())
    val output = fout.asUnmanagedInput.bytesAsInts

    println(fout.available())
    println(output.takeWhile(_ != 10).map(_.toChar).mkString)
    println(fout.available())
    println(output.takeWhile(_ != 10).map(_.toChar).mkString)
    println(fout.available())

    println("done")
  }
}

The ouput is:
0
1315
@settings.path@
0

0
done
0
0
@settings.path@
1299
AppData
1291
done

This is with 0.4.1 and 0.4.0