warning: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
  --> src/main.rs:34:22
   |
34 | fn output_path(path: &PathBuf) -> String {
   |                      ^^^^^^^^ help: change this to: `&Path`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
   = note: `#[warn(clippy::ptr_arg)]` on by default

warning: using `clone` on type `VGAChar` which implements the `Copy` trait
  --> src/image.rs:98:9
   |
98 |         best_char.clone()
   |         ^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*best_char`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
   = note: `#[warn(clippy::clone_on_copy)]` on by default

warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
  --> src/image.rs:89:13
   |
89 | /             match difference {
90 | |                 Some(difference) => {
91 | |                     min_difference = difference;
92 | |                     best_char = &VGACHAR_LOOKUP[possibility as usize].0;
93 | |                 }
94 | |                 None => (),
95 | |             }
   | |_____________^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
   = note: `#[warn(clippy::single_match)]` on by default
help: try
   |
89 ~             if let Some(difference) = difference {
90 +                 min_difference = difference;
91 +                 best_char = &VGACHAR_LOOKUP[possibility as usize].0;
92 +             }
   |

warning: the loop variable `x` is used to index `chars`
  --> src/image.rs:36:22
   |
36 |             for x in 0..VGA_CHAR_WIDTH {
   |                      ^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
   = note: `#[warn(clippy::needless_range_loop)]` on by default
help: consider using an iterator and enumerate()
   |
36 |             for (x, <item>) in chars.iter_mut().enumerate().take(VGA_CHAR_WIDTH) {
   |                 ~~~~~~~~~~~    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

warning: useless conversion to the same type: `image::ImageBuffer<image::Rgb<u8>, std::vec::Vec<u8>>`
  --> src/image.rs:21:20
   |
21 |               image: resize(
   |  ____________________^
22 | |                 &image,
23 | |                 VGA_PIXEL_WIDTH,
24 | |                 VGA_PIXEL_HEIGHT,
25 | |                 FilterType::Triangle,
26 | |             )
27 | |             .into(),
   | |___________________^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
   = note: `#[warn(clippy::useless_conversion)]` on by default
help: consider removing `.into()`
   |
21 ~             image: resize(
22 +                 &image,
23 +                 VGA_PIXEL_WIDTH,
24 +                 VGA_PIXEL_HEIGHT,
25 +                 FilterType::Triangle,
26 ~             ),
   |