failed to resolve: use of undeclared crate or module `rayon`

failed to resolve: use of undeclared crate or module `rayon`

cannot find trait `Group` in this scope

cannot find trait `Group` in this scope

cannot find trait `Group` in this scope

cannot find trait `Group` in this scope

The process '/home/runner/.cargo/bin/cargo' failed with exit code 101

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/

unused import: `std::time::Instant`

unused import: `crate::circuit::Cell`

`halo2_proofs` (lib) generated 2 warnings

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 `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 `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/