t6375.scala:6: warning: no valid targets for annotation on value x1 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @getter) @Bippy val x1: Int // warn ^ t6375.scala:7: warning: no valid targets for annotation on value x2 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.field @getter) @(Bippy @field) val x2: Int // warn ^ t6375.scala:9: warning: no valid targets for annotation on value x4 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.setter @getter) @(Bippy @setter) val x4: Int // warn ^ t6375.scala:10: warning: no valid targets for annotation on value x5 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.param @getter) @(Bippy @param) val x5: Int // warn ^ t6375.scala:20: warning: no valid targets for annotation on value q1 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.getter @field) @(Bippy @getter) private[this] val q1: Int = 1 // warn ^ t6375.scala:40: warning: no valid targets for annotation on value p2 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.getter @param) @(Bippy @getter) p2: Int, // warn ^ t6375.scala:41: warning: no valid targets for annotation on value p3 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.setter @param) @(Bippy @setter) p3: Int, // warn ^ t6375.scala:42: warning: no valid targets for annotation on value p4 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.field @param) @(Bippy @field) p4: Int // warn ^ error: No warnings can be incurred under -Xfatal-warnings. 8 warnings found one error found