It depends on the moderators, but the objective is completed at just before 1m30s. If it gets measured according to when the victory sign shows, then the time 1m32s.

[mod note: re-timed as 1m31s to victory sign: https://yt-timer-1806.glitch.me/?v=GXdFk8XP7tY&t=1.251&u=92.726]