> ++3.0.2 packageBin

$ exists target/out/jvm/scala-3.0.2/core/core_3-0.1.0-SNAPSHOT.jar
-$ exists target/out/jvm/scala-3.1.2/core/core_3-0.1.0-SNAPSHOT.jar
-$ exists target/out/jvm/scala-3.0.2/subproj/subproj_3-0.1.0-SNAPSHOT.jar
-$ exists target/out/jvm/scala-3.1.2/subproj/subproj_3-0.1.0-SNAPSHOT.jar

> clean
-$ exists target/out/jvm/scala-3.0.2/core/core_3-0.1.0-SNAPSHOT.jar
-$ exists target/out/jvm/scala-3.1.2/core/core_3-0.1.0-SNAPSHOT.jar
-$ exists target/out/jvm/scala-3.0.2/subproj/subproj_3-0.1.0-SNAPSHOT.jar
-$ exists target/out/jvm/scala-3.1.2/subproj/subproj_3-0.1.0-SNAPSHOT.jar

> ++3.1.2 packageBin

-$ exists target/out/jvm/scala-3.0.2/core/core_3-0.1.0-SNAPSHOT.jar
$ exists target/out/jvm/scala-3.1.2/core/core_3-0.1.0-SNAPSHOT.jar
-$ exists target/out/jvm/scala-3.0.2/subproj/subproj_3-0.1.0-SNAPSHOT.jar
$ exists target/out/jvm/scala-3.1.2/subproj/subproj_3-0.1.0-SNAPSHOT.jar
