these 3 derivations will be built:
  /nix/store/0v5l7iphhpjffr134wnylxw3cdmv9jyz-cargo-vendor-dir.drv
  /nix/store/8pf64bbzdq4d34d0dg4qa8ds3hzmw94p-primer-assets.drv
  /nix/store/x6inr5nf5639w43m286wfxncvv1lb92v-maintainer-mode-0.1.0.drv