include-source: false # Drop file/line/col from output
---
on: push
jobs:
  build:
    runs-on: ubuntu-latest
    runs-on: duplicate-key
    steps:
      - run: echo hi
---
{
  "errors": [
    {
      "Message": ".github/workflows/errors-value-already-defined.yml (Line: 5, Col: 5): 'runs-on' is already defined"
    }
  ]
}