error[E0426]: use of undeclared label `'label_use` --> $DIR/gen-macro-rules-hygiene.rs:12:1 | LL | gen_macro_rules!(); | ^^^^^^^^^^^^^^^^^^ undeclared label `'label_use` ... LL | generated!(); | ------------ in this macro invocation | = note: this error originates in the macro `generated` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0425]: cannot find value `local_use` in this scope --> $DIR/gen-macro-rules-hygiene.rs:12:1 | LL | gen_macro_rules!(); | ^^^^^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `local_def` ... LL | generated!(); | ------------ in this macro invocation | = note: this error originates in the macro `generated` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0425]: cannot find value `local_def` in this scope --> $DIR/gen-macro-rules-hygiene.rs:21:9 | LL | local_def; | ^^^^^^^^^ help: a local variable with a similar name exists: `local_use` error: aborting due to 3 previous errors Some errors have detailed explanations: E0425, E0426. For more information about an error, try `rustc --explain E0425`.