Duplicate definition

gistfile1.txt

➜  image-rs git:(master) ✗ cargo build   
   Compiling image v0.22.0 (/home/benoit/PROJECT/image-rs)
error[E0592]: duplicate definitions with name `save`
   --> src/buffer.rs:766:5
    |
766 | /     pub fn save<Q>(&self, path: Q) -> io::Result<()>
767 | |     where
768 | |         Q: AsRef<Path>,
769 | |     {
...   |
777 | |         )
778 | |     }
    | |_____^ duplicate definitions for `save`
...
790 | /     pub fn save<Q>(&self, path: Q) -> io::Result<()>
791 | |     where
792 | |         Q: AsRef<Path>,
793 | |     {
794 | |         // This is valid as the subpixel is u8.
795 | |         Ok(())
796 | |     }
    | |_____- other definition for `save`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0592`.
error: Could not compile `image`.

To learn more, run the command again with --verbose.