Now it is able to run and build it if you have newer dotnet core sdk installed than 3.1.201.

InvisibleProgrammer · InvisibleProgrammer · commit 14b3967648d7 · 2020-05-16T07:48:56.000+02:00
diff --git a/global.json b/global.json
@@ -1,5 +1,6 @@
 {
   "sdk": {
-    "version": "3.1.201"
+		"version": "3.1.201",
+		"rollForward": "latestMinor"
   }
 }
