these 5 derivations will be built:
  /nix/store/8dcq56jcqv3hmisb2v83m4i9lp44mksn-source.drv
  /nix/store/v2kkl8dm44ccv1i5d27n1n23dzmy415l-vendor-registry.drv
  /nix/store/w0c0djknzzxx34v5jamn5mv3ljl7q4zp-vendor-cargo-deps.drv
  /nix/store/lv189bzni8ggl9l10sl2kz6hfh1yxlcj-harmonia-deps-3.3.0.drv
  /nix/store/2ns2p4ihd91xy0bfnpcw79in59piiyx2-harmonia-3.3.0.drv