these 5 derivations will be built:
  /nix/store/8q33gwln7s8vxj7hs532ngl6hrx3c2fi-bb-app-0.48.1.tgz.drv
  /nix/store/vcybyn82q289w63w9hmn9a7nma089yw1-bb-app-src-with-lock.drv
  /nix/store/ahv4r4kbaswkps4q07253d0hd9xjdd2p-bb-app-0.48.1-npm-deps.drv
  /nix/store/rxqzg5g6cyqaml9z2j21g8grwy9bxvls-bb-app-0.48.1.drv
  /nix/store/v5lqnv1rh4lj1aadhqwmirpib4j58l3d-check-bb-app.drv