error: expected one of `)`, `,`, `.`, `?`, or an operator, found `;`
  --> $DIR/token-error-correct-3.rs:14:35
   |
LL |             callback(path.as_ref(); //~ ERROR expected one of
   |                     -             ^
   |                     |             |
   |                     |             help: `)` may belong here
   |                     unclosed delimiter

error: expected one of `.`, `;`, `?`, `}`, or an operator, found `)`
  --> $DIR/token-error-correct-3.rs:20:9
   |
LL |             fs::create_dir_all(path.as_ref()).map(|()| true) //~ ERROR: mismatched types
   |                                                             - expected one of `.`, `;`, `?`, `}`, or an operator here
...
LL |         } else {
   |         ^ unexpected token

error[E0425]: cannot find function `is_directory` in this scope
  --> $DIR/token-error-correct-3.rs:13:13
   |
LL |         if !is_directory(path.as_ref()) { //~ ERROR: cannot find function `is_directory`
   |             ^^^^^^^^^^^^ not found in this scope

error[E0308]: mismatched types
  --> $DIR/token-error-correct-3.rs:15:13
   |
LL |             fs::create_dir_all(path.as_ref()).map(|()| true) //~ ERROR: mismatched types
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- help: try adding a semicolon: `;`
   |             |
   |             expected (), found enum `std::result::Result`
   |
   = note: expected type `()`
              found type `std::result::Result<bool, std::io::Error>`

error: aborting due to 4 previous errors

Some errors occurred: E0308, E0425.
For more information about an error, try `rustc --explain E0308`.