warning: variable `x` is assigned to, but never used
--> examples_tests/rustc_basic/aux_derive.rs:7:9
|
7 | let x = Foo;
| ^
|
= note: consider using `_x` instead
= note: `#[warn(unused_variables)]` on by default
warning: value assigned to `x` is never read
--> examples_tests/rustc_basic/aux_derive.rs:8:5
|
8 | x = Foo;
| ^
|
= help: maybe it is overwritten before being read?
= note: `#[warn(unused_assignments)]` on by default
error[E0384]: cannot assign twice to immutable variable `x`
--> examples_tests/rustc_basic/aux_derive.rs:8:5
|
7 | let x = Foo;
| -
| |
| first assignment to `x`
| help: consider making this binding mutable: `mut x`
8 | x = Foo;
| ^^^^^^^ cannot assign twice to immutable variable
error: aborting due to 1 previous error; 2 warnings emitted
For more information about this error, try `rustc --explain E0384`.