for the problem with dependencies

Cargo.toml

[package]
name = "raytrace2020"
version = "0.1.0"
authors = ["My real name and email"]
edition = "2018"

[dependencies]
minifb = "0.15.3"

main.rs

//raytraces an image

//Include
extern crate minifb;
use minifb::{Key, Window, WindowOptions};

//Const
const WIDTH: usize = 640;
const HEIGHT: usize = 360;

//STRUCTS

//Triangle
struct Triangle 
{
    //Points
    v1:Vec<f32>,
    v2:Vec<f32>,
    v3:Vec<f32>
}
//Mesh
struct Mesh 
{
    tris:Vec<Triangle> //Array full of Triangle objects
}
//Ray
struct Ray
{
    origin:Vec<f32>,
    direction:Vec<f32>
}
//FUNCTIONS



//LOOPS

//Main loop
fn main() {
    let mut buffer: Vec<u32> = vec![0; WIDTH * HEIGHT];

    let mut window = Window::new(
        "Test - ESC to exit",
        WIDTH,
        HEIGHT,
        WindowOptions::default(),
    )
    .unwrap_or_else(|e| {
        panic!("{}", e);
    });

    // Limit to max ~60 fps update rate
    window.limit_update_rate(Some(std::time::Duration::from_micros(16600)));

    while window.is_open() && !window.is_key_down(Key::Escape) {
        for i in buffer.iter_mut() {
            *i = 0; // write something more funny here!
        }

        // We unwrap here as we want this code to exit if it fails. Real applications may want to handle this in a different way
        window
            .update_with_buffer(&buffer, WIDTH, HEIGHT)
            .unwrap();
    }
}

misc.txt

ERROR:

error[E0463]: can't find crate for `minifb`
 --> main.rs:4:1
  |
4 | extern crate minifb;
  | ^^^^^^^^^^^^^^^^^^^^ can't find crate

error: aborting due to previous error

For more information about this error, try `rustc --explain E0463`.

[Done] exited with code=1 in 0.072 seconds

DIRECTORY:

raytrace2020
>Cargo.toml
>Cargo.lock
>src
>>main.rs
>target
>>A bunch of stuff, dont know how important it is