these 5 derivations will be built:
  /nix/store/8qfd3v8q91hllry4qhlk9ypjmc9y61w4-Cargo.toml.drv
  /nix/store/b42fpw1qih9a80pfr1ycpmacwbjgbqwc-Cargo.toml.drv
  /nix/store/3577vkis69hjrw5wq9dgj2wwm3gwz2iw-source.drv
  /nix/store/nambzq8m8yr4gbppgibiijbkba1chjbn-harmonia-deps-3.2.0.drv
  /nix/store/d7vhgqigsaijk11g1x6ms88pd57y41p3-harmonia-clippy-3.2.0.drv