1 error[E0133]: call to unsafe function `test::free` is unsafe and requires unsafe function or block
2 --> $DIR/foreign-unsafe-fn-called.rs:11:5
5 | ^^^^^^^^^^^^ call to unsafe function
7 = note: consult the function's documentation for information on how to avoid undefined behavior
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0133`.