regression: malformed should_panic attribute input (accepted breakage; might need more downstream patches) #147969
Description
- https://crater-reports.s3.amazonaws.com/beta-1.91-2/beta-2025-09-21/gh/cre-chan.MCIR/log.txt
- https://crater-reports.s3.amazonaws.com/beta-1.91-2/beta-2025-09-21/gh/KijitoraFinch.Fuchu/log.txt
- https://crater-reports.s3.amazonaws.com/beta-1.91-3/beta-2025-09-21/reg/text_art_cn-0.3.1/log.txt
- https://crater-reports.s3.amazonaws.com/beta-1.91-3/beta-2025-09-21/reg/dinero-rs-0.33.3-dev/log.txt
[INFO] [stdout] error[E0539]: malformed `should_panic` attribute input [INFO] [stdout] --> src/frontend/parser/tiger_parser/token.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | #[should_panic("Expecting char. Identifier found")] [INFO] [stdout] | ^^^^^^^^^^^^^^^----------------------------------^^ [INFO] [stdout] | | [INFO] [stdout] | expected this to be of the form `expected = "..."`