error: cannot import a built-in macro
  --> $DIR/not-whitelisted.rs:16:5
   |
LL | use test; //~ ERROR cannot import a built-in macro
   |     ^^^^

error[E0432]: unresolved import `alloc`
  --> $DIR/not-whitelisted.rs:15:5
   |
LL | use alloc; //~ ERROR unresolved import `alloc`
   |     ^^^^^ no `alloc` external crate

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0432`.