$ yarn install
yarn install v1.21.0
$ node ./tools/npm/check-npm.js
[1/5] Validating package.json...
error components-srcs@9.0.0-rc.4: The engine "node" is incompatible with this module. Expected version "^12.0.0". Got "10.16.0"
error Found incompatible module.
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.