Skip to content

1.92 regression: overflow evaluating MetaSized #148973

Description

@Mark-Simulacrum
[INFO] [stdout] error[E0275]: overflow evaluating the requirement `ElementArray: MetaSized`
[INFO] [stdout]    --> hwc_lang_cbml/src/tags/src/parse/mod.rs:3:48
[INFO] [stdout]     |
[INFO] [stdout]   3 | pub fn parse_file_tokens(tokens : &[Token]) -> Result<File, String> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: required for `Box<ElementArray>` to implement `ParseTokens`
[INFO] [stdout]    --> hwc_lang_cbml/src/tags/src/parse/combinators.rs:5:32
[INFO] [stdout]     |
[INFO] [stdout]   5 | impl<T : ParseTokens + ?Sized> ParseTokens for Box<T> {
[INFO] [stdout]     |      -                         ^^^^^^^^^^^     ^^^^^^
[INFO] [stdout]     |      |
[INFO] [stdout]     |      unsatisfied trait bound introduced here

(https://crater-reports.s3.amazonaws.com/beta-1.92-3/beta-2025-11-01/gh/red-lightning123.hwc/log.txt)

This might be a duplicate of #143830 but unless we reverted and re-landed something I assume there's a separate breaking change that caused this, which may need its own FCP. Filing this so we can figure that out.

Activity

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    C-bugCategory: This is a bug.S-has-bisectionStatus: A bisection has been found for this issueT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.regression-from-stable-to-betaPerformance or correctness regression from stable to beta.

    Type

    No type

    Projects

    No projects

      Milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions