kind: start
plm: 2.4.5 (20140916)
java: 1.8.0_05 (VM: Java HotSpot(TM) 64-Bit Server VM; version: 25.5-b02)
os: Linux (version: 3.13.0-35-generic; arch: amd64)
kind: switched
switchto: welcome.lessons.welcome.traversal.zigzag.TraversalZigZag
lang: Scala
exo: welcome.lessons.welcome.environment.Environment
kind: executed
lang: Scala
exo: welcome.lessons.welcome.traversal.zigzag.TraversalZigZag
outcome: compile