these 5 derivations will be built:
  /nix/store/ap6950zz3zganyb7z261adaighh63sl4-vendor-registry.drv
  /nix/store/5sfp3d99wwvj285h84bvcaxmn9i20hm8-vendor-cargo-deps.drv
  /nix/store/cm1wy91q5daq4m1v89jib4hnlj97p1xb-source.drv
  /nix/store/345hfvc12kn2zz8q66flhr37jg39llxc-harmonia-deps-3.2.0.drv
  /nix/store/8jf4nbggw5hms13v3q8861sdaynnr3lh-harmonia-3.2.0.drv