warning: deref on an immutable reference
   --> src/features/image.rs:110:2
    |
110 |     &*buffer
    |     ^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
    = note: `#[warn(clippy::borrow_deref_ref)]` on by default
help: if you would like to reborrow, try removing `&*`
    |
110 |     buffer
    |
help: if you would like to deref, try using `&**`
    |
110 |     &**buffer
    |

warning: private item shadows public glob re-export
   --> src/lib.rs:124:1
    |
124 | mod image;
    | ^^^^^^^^^^
    |
note: the name `image` in the type namespace is supposed to be publicly re-exported here
   --> src/lib.rs:130:9
    |
130 | pub use self::features::*;
    |         ^^^^^^^^^^^^^^^^^
note: but the private item here shadows it
   --> src/lib.rs:124:1
    |
124 | mod image;
    | ^^^^^^^^^^
    = note: `#[warn(hidden_glob_reexports)]` on by default

warning: unused import: `map_buffer::map_buffer_mut`
  --> src/backend/util/mod.rs:11:9
   |
11 | pub use map_buffer::map_buffer_mut;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^

warning: unused import: `buffer::create_buffer_with_value`
 --> src/backend/util/mod.rs:7:9
  |
7 | pub use buffer::create_buffer_with_value;
  |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default