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Warning with lighthouse CI on build

See original GitHub issue

Current Behavior

After adding lighthouse ci to a nx workspace, it adds a .lighthouseci folder for report files when running the ci locally.

After that on building an app within the nx workspace, a warning appears :

Warning: Fell back to using 'fs' to identify .lighthouseci/lhr-1598951258904.html as deleted. Please open an issue at https://github.com/nrwl/nx so we can investigate.

Expected Behavior

Steps to Reproduce

Here is a repo to reproduce it : https://github.com/geromegrignon/spoon-starter :

run nx build
run npm run lhci
run nx build <-- error in the console

Here are the steps starting from scratch :

create a nx workspace with a default angular app
install the lighthouse ci CLI : npm install -g @lhci/cli
add a .lighthouserc.js config file :

module.exports = {
  ci: {
    collect: {
      staticDistDir: './dist/apps/<app-name>',
    },
    upload: {
      target: 'temporary-public-storage',
    },
  },
};

run nx build
run lhci autorun
run nx build <-- error displayed in the console

Failure Logs

Warning: Fell back to using 'fs' to identify .lighthouseci/lhr-1598951258904.html as deleted. Please open an issue at https://github.com/nrwl/nx so we can investigate.

Environment

  nx : Not Found
  @nrwl/angular : 10.1.0
  @nrwl/cli : 10.1.0
  @nrwl/cypress : 10.1.0
  @nrwl/eslint-plugin-nx : Not Found
  @nrwl/express : Not Found
  @nrwl/jest : 10.1.0
  @nrwl/linter : Not Found
  @nrwl/nest : Not Found
  @nrwl/next : Not Found
  @nrwl/node : Not Found
  @nrwl/react : Not Found
  @nrwl/schematics : Not Found
  @nrwl/tao : 10.1.0
  @nrwl/web : Not Found
  @nrwl/workspace : 10.1.0
  typescript : 3.9.7