Fix broken .#hydraJobs.x86_64-linux.mithril-end-to-end

[yvan-sraka]

Content

This PR includes a quick fix to error: failed to create file /build/source/target/release/load-aggregator.d that happened in Hydra and was reproducible with nix build .#hydraJobs.x86_64-linux.mithril-end-to-end.

Pre-submit checklist

• Branch
  • Tests are provided (if possible)
  • Crates versions are updated (if relevant)
  • Commit sequence broadly makes sense
  • Key commits have useful messages
• PR
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  • Self-reviewed the diff
  • Useful pull request description
  • Reviewer requested
• Documentation
  • Update README file (if relevant)
  • Update documentation website (if relevant)
  • Add dev blog post (if relevant)

Comments

This PR does fix the issue, but I'm not sure to understand fully the implications of the change. So reviews are welcome! :)

Issue(s)

N/A

[Alenar]

LGTM 👍

As someone not familiar with nix the only impact that I see is slower build since mithril-end-to-end won't reuse previously built artifacts for its mithril common & stm dependencies.