error[E0382]: use of moved value: `hello`
  --> $DIR/not-copy-closure.rs:20:13
   |
LL |     let b = hello;
   |             ----- value moved here
LL |     let c = hello; //~ ERROR use of moved value: `hello` [E0382]
   |             ^^^^^ value used here after move

error: aborting due to previous error

For more information about this error, try `rustc --explain E0382`.