Well, they don't have to crack it on the spot, just clone it for later. Yes, your local sheriff's office or even police station won't likely have that tech, but

Well, they don't have to crack it on the spot, just clone it for later. Yes, your local sheriff's office or even police station won't likely have that tech, but a popular border check point could. The question is whether they can legally do that without a warrant. And if this ruling stands, they'll basically be required to get the warrant if they want access to your device (unless you're naive enough to just hand it over unlocked).