Error: Command failed: eslint-find-rules --verbose --unused react.js ❯ Module.$ test/helper.js:29:18 ❯ checkRules test/check-rules.test.js:12:5 ❯ runTest test/check-rules.test.js:32:7 ❯ test/check-rules.test.js:51:10 ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ Serialized Error: { status: 1, signal: null, output: [ null, '\nunused rules\n1 rules found\n\nreact/forward-ref-uses-ref https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/forward-ref-uses-ref.md\n', '' ], pid: 2092, stdout: '\nunused rules\n1 rules found\n\nreact/forward-ref-uses-ref https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/forward-ref-uses-ref.md\n', stderr: '' }