error[E0308]: mismatched types
  --> $DIR/sync-fail.rs:71:15
   |
71 |     file.sync(&mut other_fs, &mut other_storage).unwrap();
   |               ^^^^^^^^^^^^^ expected struct `RamStorage`, found struct `OtherRamStorage`
   |
   = note: expected type `&mut littlefs2::fs::Filesystem<'_, RamStorage<'_>>`
              found type `&mut littlefs2::fs::Filesystem<'_, OtherRamStorage<'_>>`

error[E0308]: mismatched types
  --> $DIR/sync-fail.rs:71:30
   |
71 |     file.sync(&mut other_fs, &mut other_storage).unwrap();
   |                              ^^^^^^^^^^^^^^^^^^ expected struct `RamStorage`, found struct `OtherRamStorage`
   |
   = note: expected type `&mut RamStorage<'_>`
              found type `&mut OtherRamStorage<'_>`