Well. it doesn't crash with any block, but with some block it crashes reliably.

Minecraft 1.14.1
CC: cc-tweaked-1.14.1-1.82.4.jar
Fabric-loader: 0.4.7+build.147-1.14.1+build.4

Steps to reproduce:
Place turtle. Place a bell front of it. Open turtle, get lua prompt, turtle.suck(), game crashes.
java.lang.ClassCastException: net.minecraft.class_3721 cannot be cast to net.minecraft.class_1263

Tested blocks:
Bell: Crash
Ender chest: Crash
Sandstone: No crash
Computer: Crash
Oak planks: No crash
Jungle slab: No crash
Rail: No crash
Leaves: No crash
Sea pickle: No crash
Furnace: Nope
Chest: Nope
Scaffolding: Nope
Sea pickle: No
Birch sign: Crash

Crash report: https://gist.github.com/SzDavidHUN/4e60da600e7e48dac4e1c1bedeb4e3a7