1-tutorial-methods.rs

extern crate debug;

struct Point {
    x: f64,
    y: f64
}

enum Shape {
    Circle(Point, f64),
    Rectangle(Point, Point)
}

impl Shape {
    fn draw(&self) {
        match *self {
            Circle(p, f) => draw_circle(p, f),
            Rectangle(p1, p2) => draw_rectangle(p1, p2)
        }
    }
}

fn draw_circle(point: Point, radius: f64) -> () {
    println!("Drawing a circle: point {:?}, radius {}", point, radius);
}
fn draw_rectangle(p1: Point, p2: Point) -> () {
    println!("Drawing a rectangle: p1 {:?}, p2 {:?}", p1, p2);
}

fn main() {
    let s = Circle(Point { x: 1.0, y: 2.0 }, 3.0);
    let r = Rectangle(
        Point { x: 10.0, y: 10.0 },
        Point { x: 0.0, y: 0.0 }
    );
    r.draw();
    s.draw();
}

2-error.md

Why would I be getting this error message?