these 4 derivations will be built:
  /nix/store/p39gjxhk2v7lqs8ihfx2g7nrzy3cyk6q-source.drv
  /nix/store/a1231n16q7rgdszynmf6qvpwawim3z45-code-0.6.171-vendor-staging.drv
  /nix/store/5nj6ydvfcwyfz9cky9c6i0vylzfgcy6x-code-0.6.171-vendor.drv
  /nix/store/jvdk8q0m6rfm63485p33xz8dd4s5ncyb-code-0.6.171.drv