Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af, actions-rs/cargo@844f36862e911db73fe0815f00a4a2602c279505. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af, actions-rs/cargo@844f36862e911db73fe0815f00a4a2602c279505. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

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/

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/

associated function `new_from_nodes_and_edges` is never used

function `test_by_type` is never used