> ++3.3.1 compile

$ exists core/target/scala-3.3.1
-$ exists core/target/scala-3.5.1
-$ exists subproj/target/scala-3.3.1
-$ exists subproj/target/scala-3.5.1

> clean
> ++3.5.1 compile

-$ exists core/target/scala-3.3.1
$ exists core/target/scala-3.5.1
-$ exists subproj/target/scala-3.3.1
$ exists subproj/target/scala-3.5.1
