1 error: prefix `rb` is unknown
2 --> $DIR/raw-byte-string-prefix.rs:6:5
7 = note: prefixed identifiers and literals are reserved since Rust 2021
8 help: use `br` for a raw byte string
13 error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `"abc"`
14 --> $DIR/raw-byte-string-prefix.rs:6:7
17 | ^^^^^ expected one of 8 possible tokens
19 error: aborting due to 2 previous errors