these 2 derivations will be built:
  /nix/store/0yjpgijs9g9a1kn5p0zd1gqd501c0199-workmux-0.1.246-vendor.drv
  /nix/store/7fqq7szp1kj03mfynkxy97q2mwmhg6lk-workmux-0.1.246.drv