error[E0133]: use of mutable static is unsafe and requires unsafe function or block --> $DIR/safe-extern-statics-mut.rs:11:13 | LL | let b = B; //~ ERROR use of mutable static is unsafe | ^ use of mutable static | = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior error[E0133]: use of mutable static is unsafe and requires unsafe function or block --> $DIR/safe-extern-statics-mut.rs:12:14 | LL | let rb = &B; //~ ERROR use of mutable static is unsafe | ^^ use of mutable static | = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior error[E0133]: use of mutable static is unsafe and requires unsafe function or block --> $DIR/safe-extern-statics-mut.rs:13:14 | LL | let xb = XB; //~ ERROR use of mutable static is unsafe | ^^ use of mutable static | = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior error[E0133]: use of mutable static is unsafe and requires unsafe function or block --> $DIR/safe-extern-statics-mut.rs:14:15 | LL | let xrb = &XB; //~ ERROR use of mutable static is unsafe | ^^^ use of mutable static | = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0133`.