Upstream Diff, for reference only. · QED-it/halo2@90bc565

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The following actions uses node12 which is deprecated and will be forced to run on node16: actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3, actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`

unused import: `Scope`

unused doc comment

unused doc comment

unused doc comment

struct `PointIndex` is never constructed

`halo2_proofs` (lib) generated 5 warnings (run `cargo fix --lib -p halo2_proofs` to apply 1 suggestion)

fields `0` and `1` are never read

`halo2_proofs` (example "circuit-layout") generated 1 warning

`halo2_proofs` (bench "plonk") generated 1 warning

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