Warn when expression contains = but not ; about irust HOT 4 CLOSED

Are you missing an `;` ?
   Compiling irust v0.1.0 (/tmp/irust)
warning: variable `x` is assigned to, but never used
 --> src/main.rs:2:6
  |
2 |     let x = 5;
  |         ^
  |
  = note: #[warn(unused_variables)] on by default
  = note: consider using `_x` instead

warning: value assigned to `x` is never read
 --> src/main.rs:4:1
  |
4 | x = 6
  | ^
  |
  = note: #[warn(unused_assignments)] on by default
  = help: maybe it is overwritten before being read?

error[E0384]: cannot assign twice to immutable variable `x`
 --> src/main.rs:4:1
  |
2 |     let x = 5;
  |         -
  |         |
  |         first assignment to `x`
  |         help: make this binding mutable: `mut x`
3 |     println!("{:?}", {
4 | x = 6
  | ^^^^^ cannot assign twice to immutable variable

error: aborting due to previous error

For more information about this error, try `rustc --explain E0384`.
error: Could not compile `irust`.

To learn more, run the command again with --verbose.

   Compiling irust v0.1.0 (/tmp/irust)
warning: variable `x` is assigned to, but never used
 --> src/main.rs:2:6
  |
2 |     let x = 5;
  |         ^
  |
  = note: #[warn(unused_variables)] on by default
  = note: consider using `_x` instead

 --> src/main.rs:2:6
  |
2 |     let x = 5;
  |         ^
  |