error[E0133]: use of mutable static is unsafe and requires unsafe function or block --> $DIR/thread-local-static.rs:10:28 | LL | std::mem::swap(x, &mut STATIC_VAR_2) | ^^^^^^^^^^^^ use of mutable static | = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior error[E0625]: thread-local statics cannot be accessed at compile-time --> $DIR/thread-local-static.rs:10:28 | LL | std::mem::swap(x, &mut STATIC_VAR_2) | ^^^^^^^^^^^^ error: aborting due to 2 previous errors Some errors have detailed explanations: E0133, E0625. For more information about an error, try `rustc --explain E0133`.