error[E0277]: the trait bound `Option<&str>: AsRef<Path>` is not satisfied
  --> $DIR/issue-72442.rs:12:36
   |
LL |             let mut f = File::open(path.to_str())?;
   |                                    ^^^^^^^^^^^^^ the trait `AsRef<Path>` is not implemented for `Option<&str>`
   | 
  ::: $SRC_DIR/std/src/fs.rs:LL:COL
   |
LL |     pub fn open<P: AsRef<Path>>(path: P) -> io::Result<File> {
   |                    ----------- required by this bound in `File::open`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.