1 error[E0565]: literal in `deprecated` value must be a string
2 --> $DIR/E0565-2.rs:2:22
4 LL | #[deprecated(since = b"1.29", note = "hi")]
5 | ^^^^^^^ help: consider removing the prefix: `"1.29"`
7 error: aborting due to previous error
9 For more information about this error, try `rustc --explain E0565`.