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@lopopolo lopopolo commented Jul 2, 2023

proc-macro2 before 1.0.60 is incompatible with the latest nightly since an unstable feature conditionally used by proc-macro2 was renamed.

Fixed with a targeted cargo update:

$ cargo update --package proc-macro2
    Updating crates.io index
    Updating proc-macro2 v1.0.56 -> v1.0.63

See also:

`proc-macro2` before 1.0.60 is incompatible with the latest nightly
since an unstable feature conditionally used by `proc-macro2` was
renamed.

Fixed with a targeted `cargo update`:

```console
$ cargo update --package proc-macro2
    Updating crates.io index
    Updating proc-macro2 v1.0.56 -> v1.0.63
```

See also:

- rust-lang/rust#113152
- dtolnay/proc-macro2#391
- artichoke/artichoke#2619
@lopopolo lopopolo added the A-deps Area: Source and library dependencies. label Jul 2, 2023
@lopopolo lopopolo merged commit 04edbe7 into trunk Jul 2, 2023
@lopopolo lopopolo deleted the lopopolo/nightly-breakage-proc-macro2 branch July 2, 2023 14:36
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A-deps Area: Source and library dependencies.

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