error[E0053]: method `mul` has an incompatible type for trait
  --> $DIR/wrong-mul-method-signature.rs:16:5
   |
LL |     fn mul(self, s: &f64) -> Vec1 {
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected f64, found &f64
   |
   = note: expected type `fn(Vec1, f64) -> Vec1`
              found type `fn(Vec1, &f64) -> Vec1`

error[E0053]: method `mul` has an incompatible type for trait
  --> $DIR/wrong-mul-method-signature.rs:33:5
   |
LL |     fn mul(self, s: f64) -> Vec2 {
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Vec2`, found f64
   |
   = note: expected type `fn(Vec2, Vec2) -> f64`
              found type `fn(Vec2, f64) -> Vec2`

error[E0053]: method `mul` has an incompatible type for trait
  --> $DIR/wrong-mul-method-signature.rs:52:5
   |
LL |     fn mul(self, s: f64) -> f64 {
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected i32, found f64
   |
   = note: expected type `fn(Vec3, f64) -> i32`
              found type `fn(Vec3, f64) -> f64`

error[E0308]: mismatched types
  --> $DIR/wrong-mul-method-signature.rs:63:45
   |
LL |     let x: Vec2 = Vec2 { x: 1.0, y: 2.0 } * 2.0; // trait had reversed order
   |                                             ^^^ expected struct `Vec2`, found floating-point number
   |
   = note: expected type `Vec2`
              found type `{float}`

error[E0308]: mismatched types
  --> $DIR/wrong-mul-method-signature.rs:63:19
   |
LL |     let x: Vec2 = Vec2 { x: 1.0, y: 2.0 } * 2.0; // trait had reversed order
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Vec2`, found f64
   |
   = note: expected type `Vec2`
              found type `f64`

error: aborting due to 5 previous errors

Some errors have detailed explanations: E0053, E0308.
For more information about an error, try `rustc --explain E0053`.