error[E0767]: use of unreachable label `'a` --> $DIR/issue-73541-2.rs:7:26 | LL | 'a: loop { | -- unreachable label defined here ... LL | continue 'a | ^^ unreachable label `'a` ... LL | b!(); | ---- in this macro invocation | = note: labels are unreachable through functions, closures, async blocks and modules = note: this error originates in the macro `b` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0767`.