Cross build for Scala 2.13.3

* `-Xlint:nullary-override` is no longer accepted by scalac 2.13.3 (on by default)
* upgrade semanticdb-scalac to version 4.3.16

.github/workflows/pr-checks.yml

@@ -15,6 +15,7 @@ jobs:
           - 2.12.11
           - 2.13.1
           - 2.13.2
+          - 2.13.3
     steps:
       - uses: actions/checkout@v2
       - uses: olafurpg/setup-scala@v7

build.sbt

@@ -1,5 +1,5 @@
 // compiler plugins
-addCompilerPlugin("org.scalameta" % "semanticdb-scalac" % "4.3.15" cross CrossVersion.full)
+addCompilerPlugin("org.scalameta" % "semanticdb-scalac" % "4.3.16" cross CrossVersion.full)
 
 name := "scalac-scapegoat-plugin"
 organization := "com.sksamuel.scapegoat"
@@ -22,8 +22,8 @@ developers := List(
   )
 )
 
-scalaVersion := "2.13.2"
-crossScalaVersions := Seq("2.11.12", "2.12.10", "2.12.11", "2.13.1", "2.13.2")
+scalaVersion := "2.13.3"
+crossScalaVersions := Seq("2.11.12", "2.12.10", "2.12.11", "2.13.1", "2.13.2", "2.13.3")
 autoScalaLibrary := false
 crossVersion := CrossVersion.full
 crossTarget := {
@@ -38,7 +38,6 @@ val scalac13Options = Seq(
   "-Xlint:adapted-args",
   "-Xlint:inaccessible",
   "-Xlint:infer-any",
-  "-Xlint:nullary-override",
   "-Xlint:nullary-unit",
   "-Yrangepos",
   "-Ywarn-unused"
@@ -76,7 +75,11 @@ scalacOptions := {
   common ++ (scalaBinaryVersion.value match {
     case "2.11" => scalac11Options
     case "2.12" => scalac12Options
-    case "2.13" => scalac13Options
+    case "2.13" => scalac13Options ++ (
+      scalaVersion.value.split('.') match {
+        case Array(_, _, patch) if Set("0", "1", "2")(patch) => Seq("-Xlint:nullary-override")
+        case _ => Seq.empty[String]
+      })
   })
 }
 javacOptions ++= Seq("-source", "1.8", "-target", "1.8")