error[E0425]: cannot find value `error` in this scope
  --> $DIR/cast-errors-issue-43825.rs:12:17
   |
LL |     let error = error; //~ ERROR cannot find value `error`
   |                 ^^^^^ not found in this scope

error: aborting due to previous error

If you want more information on this error, try using "rustc --explain E0425"