1error: prefix `hey` is unknown 2 --> $DIR/reserved-prefixes-via-macro-2.rs:15:5 3 | 4LL | m2021::number_of_tokens_in_a_prefixed_integer_literal!(); 5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unknown prefix 6 | 7 = note: prefixed identifiers and literals are reserved since Rust 2021 8 = note: this error originates in the macro `m2021::number_of_tokens_in_a_prefixed_integer_literal` (in Nightly builds, run with -Z macro-backtrace for more info) 9 10error: prefix `hey` is unknown 11 --> $DIR/reserved-prefixes-via-macro-2.rs:17:5 12 | 13LL | m2021::number_of_tokens_in_a_prefixed_char_literal!(); 14 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unknown prefix 15 | 16 = note: prefixed identifiers and literals are reserved since Rust 2021 17 = note: this error originates in the macro `m2021::number_of_tokens_in_a_prefixed_char_literal` (in Nightly builds, run with -Z macro-backtrace for more info) 18 19error: prefix `hey` is unknown 20 --> $DIR/reserved-prefixes-via-macro-2.rs:19:5 21 | 22LL | m2021::number_of_tokens_in_a_prefixed_string_literal!(); 23 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unknown prefix 24 | 25 = note: prefixed identifiers and literals are reserved since Rust 2021 26 = note: this error originates in the macro `m2021::number_of_tokens_in_a_prefixed_string_literal` (in Nightly builds, run with -Z macro-backtrace for more info) 27 28error: aborting due to 3 previous errors 29 30