Minecraft Worldborder Challenge - What can you do in 5 minutes?

In this challenge, you have 5 minutes to do whatever you can before the worldborder is 1 block wide. There are 4 chunks of different biomes that contain resources you can use to progress. There are also different levels of completion that are listed below.

Level 1 - Build a Small Shelter.
Level 2 - Build a Redstone Door
Level 3 - Build a Diamond Block
???? - Build a working Beacon

Note - This is my first map, sorry if it's not that good.