Fix potential problem with input and output pipes

runner-wrapper.lua

@@ -232,12 +232,12 @@ return function(promise)
                         break
                     end
 
+                    local inputPipe = _M.poppets[t].input
+                    local outputPipe = _M.poppets[t].output
                     waiters[t] = waiters[t]:next(function()
-                        local inputPipe = _M.poppets[t].input
                         inputPipe:write(serpent.dump({s, generationIdx}).."\n")
                         inputPipe:flush()
 
-                        local outputPipe = _M.poppets[t].output
                         return readLoop(outputPipe)
                     end)
                     currentSpecies = currentSpecies + 1

runner.lua

@@ -570,6 +570,8 @@ local function mainLoop(_M, genome)
                     ::continue::
                 end
 
+                message(_M, string.format('Found %d waypoints', #areaInfo.waypoints))
+
                 _M.areaInfo[_M.currentArea] = areaInfo
             end)
         end