[Unity 2020.1b2]Build Player cost long time

It's very long(I wait 24 hour last time) And no error.Is it a bug?

 

It always can build success,but cost 10 hours+. And only cost 5 min in 2019.3.
My all of scripts about 160K lines.This is my package:

Code (Boo):

1. {
2.   "dependencies": {
3.     "com.unity.burst": "1.3.0-preview.7",
4.     "com.unity.cinemachine": "2.5.0",
5.     "com.unity.ide.visualstudio": "2.0.0",
6.     "com.unity.ide.vscode": "1.1.4",
7.     "com.unity.inputsystem": "1.0.0-preview.6",
8.     "com.unity.multiplayer-hlapi": "1.0.4",
9.     "com.unity.physics": "0.3.1-preview",
10.     "com.unity.postprocessing": "2.3.0",
11.     "com.unity.rendering.hybrid": "0.3.4-preview.24",
12.     "com.unity.textmeshpro": "3.0.0-preview.8",
13.     "com.unity.timeline": "1.3.1",
14.     "com.unity.ugui": "1.0.0",
15.     "com.unity.modules.ai": "1.0.0",
16.     "com.unity.modules.androidjni": "1.0.0",
17.     "com.unity.modules.animation": "1.0.0",
18.     "com.unity.modules.assetbundle": "1.0.0",
19.     "com.unity.modules.audio": "1.0.0",
20.     "com.unity.modules.cloth": "1.0.0",
21.     "com.unity.modules.director": "1.0.0",
22.     "com.unity.modules.imageconversion": "1.0.0",
23.     "com.unity.modules.imgui": "1.0.0",
24.     "com.unity.modules.jsonserialize": "1.0.0",
25.     "com.unity.modules.particlesystem": "1.0.0",
26.     "com.unity.modules.physics": "1.0.0",
27.     "com.unity.modules.physics2d": "1.0.0",
28.     "com.unity.modules.screencapture": "1.0.0",
29.     "com.unity.modules.terrain": "1.0.0",
30.     "com.unity.modules.terrainphysics": "1.0.0",
31.     "com.unity.modules.tilemap": "1.0.0",
32.     "com.unity.modules.ui": "1.0.0",
33.     "com.unity.modules.uielements": "1.0.0",
34.     "com.unity.modules.umbra": "1.0.0",
35.     "com.unity.modules.unityanalytics": "1.0.0",
36.     "com.unity.modules.unitywebrequest": "1.0.0",
37.     "com.unity.modules.unitywebrequestassetbundle": "1.0.0",
38.     "com.unity.modules.unitywebrequestaudio": "1.0.0",
39.     "com.unity.modules.unitywebrequesttexture": "1.0.0",
40.     "com.unity.modules.unitywebrequestwww": "1.0.0",
41.     "com.unity.modules.vehicles": "1.0.0",
42.     "com.unity.modules.video": "1.0.0",
43.     "com.unity.modules.vr": "1.0.0",
44.     "com.unity.modules.wind": "1.0.0",
45.     "com.unity.modules.xr": "1.0.0"
46.   }
47. }

What happen in 2020?

 

I guess you need to submit bug report.

 

But how can i submit this bug?
Submit all of my codes?