these 6 derivations will be built:
  /nix/store/nb55f8gyhffkjjnlr03dd5ngds0hw0rv-cargo-package-sha2-0.11.1.drv
  /nix/store/hm6w50rwr6xpbkdb3krk3lpg8cplbns1-vendor-registry.drv
  /nix/store/95bcsv295zrjzbq3zz6djkcx677nyi52-vendor-cargo-deps.drv
  /nix/store/97wkwar99z6cy8f3zr8wvsrcr7y0pydi-source.drv
  /nix/store/llc86gmbi8hqscx6skcyhrmz2i72q78n-harmonia-deps-3.3.0.drv
  /nix/store/yfbisnpbwrb6mr1jcd8x47g8vjcif2mm-harmonia-3.3.0.drv