regression: cannot find type SourceFile in crate proc_macro

[BoxyUwU]

• https://crater-reports.s3.amazonaws.com/beta-rustdoc-1.91-2/beta-2025-09-21/reg/crazyflie-link-0.3.0/log.txt

[INFO] [stdout] error[E0412]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.85/src/wrapper.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |     Compiler(proc_macro::SourceFile),
[INFO] [stdout]     |                          ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs

[madsmtm]

Fixed in newer version of proc-macro2, unsure why the old version is picked here?

[Skgland]

Fixed in newer version of proc-macro2, unsure why the old version is picked here?

[INFO] crate crates.io crate crazyflie-link 0.3.0 already has a lockfile, it will not be regenerated

And the lockfile contains proc-macro2@1.0.85¹

Footnotes

1. https://docs.rs/crate/crazyflie-link/0.3.0/source/Cargo.lock#552 ↩