so at e.g. https://scala-ci.typesafe.com/job/scala-2.11.x-integrate-community-build/222/console we see ``` [scala-parser-combinators] Cyclic reference involving [scala-parser-combinators] {file:/home/jenkins/workspace/scala-2.11.x-integrate-community-build/target-0.9.5/extraction/efd45b7712336af33211e50e348aade6f7b8ba2a/projects/ee117ddc3d656a3a6fda1e525358491b8eea71fa/projects/47f78a5180eaf5c16f8b8a91d8dafb5ba30cdf3d/}scala-parser-combinatorsJS/*:crossScalaVersions [scala-parser-combinators] {file:/home/jenkins/workspace/scala-2.11.x-integrate-community-build/target-0.9.5/extraction/efd45b7712336af33211e50e348aade6f7b8ba2a/projects/ee117ddc3d656a3a6fda1e525358491b8eea71fa/projects/47f78a5180eaf5c16f8b8a91d8dafb5ba30cdf3d/}scala-parser-combinatorsJS/*:scalaVersion [scala-parser-combinators] at sbt.Dag$Cyclic.$colon$colon(Dag.scala:67) [info] Project scala-------------------: EXTRACTION FAILED (RuntimeException: ) ```