error[E0133]: call to unsafe function `Key::::get` is unsafe and requires unsafe function or block --> $DIR/issue-43733.rs:19:5 | LL | __KEY.get(Default::default) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: call to unsafe function `LocalKey::::new` is unsafe and requires unsafe function or block --> $DIR/issue-43733.rs:24:42 | LL | static FOO: std::thread::LocalKey = std::thread::LocalKey::new(__getit); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0133`.