error when pickling type (t : TableDef) error when pickling type (t.cols : Seq[ColumnDef]) error when pickling tree this of class class dotty.tools.dotc.ast.Trees$This error when pickling tree this.type of class class dotty.tools.dotc.ast.Trees$SingletonTypeTree error when pickling tree this.type | f.type of class class dotty.tools.dotc.ast.Trees$AppliedTypeTree error when pickling tree new _root_.scala.annotation.retains[this.type | f.type] of class class dotty.tools.dotc.ast.Trees$TypeApply error when pickling tree new _root_.scala.annotation.retains[this.type | f.type]() of class class dotty.tools.dotc.ast.Trees$Apply error when pickling type Seq[String] error when pickling tree Seq[String] of class class dotty.tools.dotc.ast.Trees$TypeTree error when pickling tree override def columnComments(t: TableDef): Seq[String] = ??? of class class dotty.tools.dotc.ast.Trees$DefDef error when pickling tree () extends DdlGenerator() { override def columnComments(t: TableDef): Seq[String] = ??? } of class class dotty.tools.dotc.ast.Trees$Template error when pickling tree @SourceFile("test.scala") class CassandraDdlGenerator() extends DdlGenerator() { override def columnComments(t: TableDef): Seq[String] = ??? } of class class dotty.tools.dotc.ast.Trees$TypeDef error when pickling tree package <empty> { @SourceFile("test.scala") class CassandraDdlGenerator() extends DdlGenerator() { override def columnComments(t: TableDef): Seq[String] = ??? } } of class class dotty.tools.dotc.ast.Trees$PackageDef unhandled exception while running pickler on /Users/wmazur/projects/scala/community-build3/test.scala An unhandled exception was thrown in the compiler. Please file a crash report here: https://github.com/scala/scala3/issues/new/choose For non-enriched exceptions, compile with -Xno-enrich-error-messages. while compiling: /Users/wmazur/projects/scala/community-build3/test.scala during phase: pickler mode: Mode(ImplicitsEnabled) library version: version (unknown) compiler version: version 3.8.0-RC1-bin-20250928-b67fcf2-NIGHTLY-git-b67fcf2 settings: -classpath /Users/wmazur/Library/Caches/Coursier/v1/https/repo.scala-lang.org/artifactory/maven-nightlies/org/scala-lang/scala3-library_3/3.8.0-RC1-bin-20250928-b67fcf2-NIGHTLY/scala3-library_3-3.8.0-RC1-bin-20250928-b67fcf2-NIGHTLY.jar:/Users/wmazur/Library/Caches/Coursier/v1/https/repo.scala-lang.org/artifactory/maven-nightlies/org/scala-lang/scala-library/3.8.0-RC1-bin-20250928-b67fcf2-NIGHTLY/scala-library-3.8.0-RC1-bin-20250928-b67fcf2-NIGHTLY.jar -d /Users/wmazur/projects/scala/community-build3/.scala-build/community-build3_9c559b1bd2-9d23cdd7be/classes/main -sourceroot /Users/wmazur/projects/scala/community-build3 Exception in thread "main" java.lang.AssertionError: assertion failed: orphan parameter reference: TermParamRef(t) at scala.runtime.Scala3RunTime$.assertFailed(Scala3RunTime.scala:10) at dotty.tools.dotc.core.tasty.TreePickler.pickleNewType(TreePickler.scala:318) at dotty.tools.dotc.core.tasty.TreePickler.pickleType(TreePickler.scala:183) at dotty.tools.dotc.core.tasty.TreePickler.pickleExternalRef$1(TreePickler.scala:224) at dotty.tools.dotc.core.tasty.TreePickler.pickleNewType(TreePickler.scala:245) at dotty.tools.dotc.core.tasty.TreePickler.pickleType(TreePickler.scala:183) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:454) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:726) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree$$anonfun$21(TreePickler.scala:741) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10) at scala.collection.immutable.List.foreach(List.scala:327) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:741) at dotty.tools.dotc.core.tasty.TreePickler.pickleTpt(TreePickler.scala:352) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree$$anonfun$4(TreePickler.scala:534) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10) at scala.collection.immutable.List.foreach(List.scala:327) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:534) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:519) at dotty.tools.dotc.core.tasty.TreePickler.pickleNewType(TreePickler.scala:286) at dotty.tools.dotc.core.tasty.TreePickler.pickleType(TreePickler.scala:183) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:717) at dotty.tools.dotc.core.tasty.TreePickler.pickleTpt(TreePickler.scala:352) at dotty.tools.dotc.core.tasty.TreePickler.pickleDef(TreePickler.scala:382) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:663) at dotty.tools.dotc.core.tasty.TreePickler.pickleStats$$anonfun$2(TreePickler.scala:423) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10) at scala.collection.immutable.List.foreach(List.scala:327) at dotty.tools.dotc.core.tasty.TreePickler.pickleStats(TreePickler.scala:423) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:699) at dotty.tools.dotc.core.tasty.TreePickler.pickleDef(TreePickler.scala:381) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:665) at dotty.tools.dotc.core.tasty.TreePickler.pickleStats$$anonfun$2(TreePickler.scala:423) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10) at scala.collection.immutable.List.foreach(List.scala:327) at dotty.tools.dotc.core.tasty.TreePickler.pickleStats(TreePickler.scala:423) at dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:715) at dotty.tools.dotc.core.tasty.TreePickler.pickle$$anonfun$1(TreePickler.scala:947) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10) at scala.collection.immutable.List.foreach(List.scala:327) at dotty.tools.dotc.core.tasty.TreePickler.pickle(TreePickler.scala:945) at dotty.tools.dotc.transform.Pickler.run$$anonfun$1$$anonfun$1(Pickler.scala:306) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10) at scala.collection.immutable.List.foreach(List.scala:327) at dotty.tools.dotc.transform.Pickler.run$$anonfun$1(Pickler.scala:279) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10) at scala.collection.immutable.List.foreach(List.scala:327) at dotty.tools.dotc.transform.Pickler.run(Pickler.scala:278) at dotty.tools.dotc.core.Phases$Phase.runOn$$anonfun$1(Phases.scala:386) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10) at scala.collection.immutable.List.foreach(List.scala:327) at dotty.tools.dotc.core.Phases$Phase.runOn(Phases.scala:379) at dotty.tools.dotc.transform.Pickler.runPhase$1(Pickler.scala:392) at dotty.tools.dotc.transform.Pickler.runOn(Pickler.scala:398) at dotty.tools.dotc.Run.runPhases$1$$anonfun$1(Run.scala:380) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15) at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10) at scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1327) at dotty.tools.dotc.Run.runPhases$1(Run.scala:373) at dotty.tools.dotc.Run.compileUnits$$anonfun$1$$anonfun$2(Run.scala:420) at dotty.tools.dotc.Run.compileUnits$$anonfun$1$$anonfun$adapted$1(Run.scala:420) at scala.Function0.apply$mcV$sp(Function0.scala:45) at dotty.tools.dotc.Run.showProgress(Run.scala:482) at dotty.tools.dotc.Run.compileUnits$$anonfun$1(Run.scala:420) at dotty.tools.dotc.Run.compileUnits$$anonfun$adapted$1(Run.scala:432) at dotty.tools.dotc.util.Stats$.maybeMonitored(Stats.scala:69) at dotty.tools.dotc.Run.compileUnits(Run.scala:432) at dotty.tools.dotc.Run.compileSources(Run.scala:319) at dotty.tools.dotc.Run.compile(Run.scala:304) at dotty.tools.dotc.Driver.doCompile(Driver.scala:37) at dotty.tools.dotc.Driver.process(Driver.scala:201) at dotty.tools.dotc.Driver.process(Driver.scala:169) at dotty.tools.dotc.Driver.process(Driver.scala:181) at dotty.tools.dotc.Driver.main(Driver.scala:211) at dotty.tools.dotc.Main.main(Main.scala) Compilation failed