these 6 derivations will be built:
  /nix/store/kll4qa7sbz99a3krwsnrqlgfns0hswm5-cargo-package-toml-1.1.8+spec-1.1.0.drv
  /nix/store/3qvgjaq8bxp0y28q8mzn2fapcd6zyfpr-vendor-registry.drv
  /nix/store/kslsi5pm4cwnjlyhk4sc2illqbhqm7qc-vendor-cargo-deps.drv
  /nix/store/l2b9czybva792k65i0bgkgkaidr3ivqy-source.drv
  /nix/store/4nbq3cmbgd915mzd905bpdask8kr08gj-harmonia-deps-3.3.0.drv
  /nix/store/rx77g005d5d61l1snpibd44mh6zl271y-harmonia-clippy-3.3.0.drv