gistfile1.txt

java.lang.NoSuchMethodError: scala.collection.immutable.List.removeDuplicates()Lscala/collection/immutable/List;
	at xsbt.API$$anonfun$annotations$1.apply(API.scala:430)
	at xsbt.API$$anonfun$annotations$1.apply(API.scala:423)
	at scala.reflect.internal.SymbolTable.atPhase(SymbolTable.scala:95)
	at xsbt.API.annotations(API.scala:423)
	at xsbt.API.xsbt$API$$mkClassLike(API.scala:368)
	at xsbt.API$$anonfun$xsbt$API$$classLike$1.apply(API.scala:354)
	at xsbt.API$$anonfun$xsbt$API$$classLike$1.apply(API.scala:354)
	at scala.collection.mutable.MapLike$class.getOrElseUpdate(MapLike.scala:181)
	at scala.collection.mutable.HashMap.getOrElseUpdate(HashMap.scala:37)
	at xsbt.API.xsbt$API$$classLike(API.scala:354)
	at xsbt.API$TopLevelHandler.class(API.scala:374)
	at xsbt.API$TopLevelTraverser.traverse(API.scala:406)
	at scala.reflect.api.Trees$Traverser$$anonfun$traverseTrees$1.apply(Trees.scala:722)
	at scala.reflect.api.Trees$Traverser$$anonfun$traverseTrees$1.apply(Trees.scala:722)
	at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
	at scala.collection.immutable.List.foreach(List.scala:77)
	at scala.reflect.api.Trees$Traverser.traverseTrees(Trees.scala:722)
	at scala.reflect.api.Trees$Traverser$$anonfun$traverse$1.apply$mcV$sp(Trees.scala:622)
	at scala.reflect.api.Trees$Traverser.atOwner(Trees.scala:737)
	at scala.reflect.api.Trees$Traverser.traverse(Trees.scala:621)
	at xsbt.API$TopLevelTraverser.traverse(API.scala:409)
	at scala.reflect.api.Trees$Traverser.apply(Trees.scala:743)
	at xsbt.API$ApiPhase.processScalaUnit(API.scala:47)
	at xsbt.API$ApiPhase.processUnit(API.scala:41)
	at xsbt.API$ApiPhase$$anonfun$run$1.apply(API.scala:37)
	at xsbt.API$ApiPhase$$anonfun$run$1.apply(API.scala:37)
	at scala.collection.Iterator$class.foreach(Iterator.scala:583)
	at scala.collection.mutable.ListBuffer$$anon$1.foreach(ListBuffer.scala:316)
	at xsbt.API$ApiPhase.run(API.scala:37)
	at scala.tools.nsc.Global$Run.compileSources(Global.scala:1013)
	at scala.tools.nsc.Global$Run.compile(Global.scala:1101)
	at xsbt.CompilerInterface.run(CompilerInterface.scala:99)
	at scala.tools.eclipse.buildmanager.sbtintegration.ScalaSbtCompiler.compile(ScalaSbtCompiler.scala:19)
	at scala.tools.eclipse.buildmanager.sbtintegration.AnalysisCompile$$anonfun$5.compileScala$1(AnalysisCompile.scala:90)
	at scala.tools.eclipse.buildmanager.sbtintegration.AnalysisCompile$$anonfun$5.apply(AnalysisCompile.scala:112)
	at scala.tools.eclipse.buildmanager.sbtintegration.AnalysisCompile$$anonfun$5.apply(AnalysisCompile.scala:69)
	at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:21)
	at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:19)
	at sbt.inc.Incremental$.cycle(Incremental.scala:33)
	at sbt.inc.Incremental$.compile(Incremental.scala:20)
	at sbt.inc.IncrementalCompile$.apply(Compile.scala:17)
	at scala.tools.eclipse.buildmanager.sbtintegration.AnalysisCompile.doCompile(AnalysisCompile.scala:129)
	at scala.tools.eclipse.buildmanager.sbtintegration.EclipseSbtBuildManager.runCompiler(EclipseSbtBuildManager.scala:345)
	at scala.tools.eclipse.buildmanager.sbtintegration.EclipseSbtBuildManager.update(EclipseSbtBuildManager.scala:324)
	at scala.tools.eclipse.buildmanager.sbtintegration.EclipseSbtBuildManager.build(EclipseSbtBuildManager.scala:369)
	at scala.tools.eclipse.ScalaProject.build(ScalaProject.scala:507)
	at scala.tools.eclipse.ScalaBuilder.build(ScalaBuilder.scala:88)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:629)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:172)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:203)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:255)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:258)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:311)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:343)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)