KotlinVersionsToIncubatingCollector()
                        )
                    )
                    srcDir.walkTopDown().forEach { sourceFile ->
                        try {
                            collector.collectFrom(sourceFile).forEach { (version, incubating) ->
                                versionToIncubating.getOrPut(version) { mutableSetOf() }.addAll(incubating)
                            }

            data.toSortedMap().forEach { (category, _) ->
                writer.println("<li><a href=\"#$category\">$category</a><br></li>")
            }
            writer.println("</ul>")
            data.toSortedMap().forEach { (category, problems) ->
                writer.println("<a name=\"$category\"></a>")
                writer.println("<h2>$category</h2>")
                problems.forEach { (name, issues) ->