* Ah, I had changed the post initialization clock speed to 400KHz. When I revert it to 25MHz I get this on the small card

```
0.002250 INFO  Hello World!
└─ <mod path> @ └─ <invalid location: defmt frame-index: 12>:0   
0.031158 DEBUG Found card with size: 126353408bytes
└─ <mod path> @ └─ <invalid location: defmt frame-index: 18>:0   
0.031237 INFO  Initialization complete!
└─ <mod path> @ └─ <invalid location: defmt frame-index: 13>:0   
0.032277 ERROR panicked at src/main.rs:92:6:
Filesystem tests failed!: Io(Io(RegisterError(245)))
└─ <mod path> @ └─ <invalid location: defmt frame-index: 17>:0   
```