Yarn 2 Failing to Install

Hi all,

I’m attempting to upgrade to Yarn 2 and CircleCI appears to be failing to install the deps. I’m currently running things locally, but when pushed to Github I get the same errors. Yarn says its installing and then when I try to run eslint in my test command, I get the following error:

====>> Yarn test
  #!/bin/bash -eo pipefail
yarn ci:test

Usage Error: The project in /home/circleci/workspace/package.json doesn't seem to have been installed - running an install there might help

$ yarn run [--inspect] [--inspect-brk] <scriptName> ...
Exited with code exit status 1

Thanks for your post, njj! Can you post a build link or your config here so I can investigate this further?