Changed miner movement;

JobBuilder.js

@@ -55,7 +55,7 @@ function energyEmptyCheck(creep){
 
 function findEnergyTarget(creep){
     var target;
-    if(creep.room.storage.store.getUsedCapacity(RESOURCE_ENERGY) > creep.store.getFreeCapacity(RESOURCE_ENERGY))
+    if(creep.room.storage && creep.room.storage.store.getUsedCapacity(RESOURCE_ENERGY) > creep.store.getFreeCapacity(RESOURCE_ENERGY))
         target = creep.room.storage;
     if(!target) target = creep.pos.findClosestByRange(FIND_STRUCTURES, {
         filter: (st)=>{ 

JobMiner.js

@@ -4,8 +4,7 @@ module.exports = {
     tick(creep){
         const source = Game.getObjectById(creep.memory.job.source);
         if(!creep.pos.isNearTo(source)) { creep.moveTo(source); return; }
-        if(creep.memory.aboveContainer) { creep.harvest(source); return; }
-        if(creep.memory.container) { moveToContainer(creep); return; }
+        if(creep.memory.container) moveToContainer(creep);
         if(!(Game.time%100)) scanForContainer(creep, source);
         creep.harvest(source);
     }
@@ -13,8 +12,8 @@ module.exports = {
 
 function moveToContainer(creep){
     const container = Game.getObjectById(creep.memory.container);
-    if(container.pos.x === creep.pos.x && container.pos.y === creep.pos.y) creep.memory.aboveContainer = true; 
-    else creep.moveTo(container);
+    if(container.pos.x === creep.pos.x && container.pos.y === creep.pos.y) return;
+    creep.moveTo(container);
 }
 
 function scanForContainer(creep, source){

StructureSpawnClass.js

@@ -1,5 +1,3 @@
-const math = require("Math");
-
 module.exports = {
 	setup: function () { StructureSpawn.prototype = _StructureSpawn.prototype; }
 }