these 5 derivations will be built:
  /nix/store/1ay5zaqq00n9v2bhivc5cqggzza8rcj4-Cargo.toml.drv
  /nix/store/rjqfdiiwhvcsaw4cdls1qrn0djwpvlls-Cargo.toml.drv
  /nix/store/0yxxsgh02f3sf0w85afwzhy6mlrj4882-source.drv
  /nix/store/087z60pa216ha34dghr880xjmgahg4f4-harmonia-deps-3.2.0.drv
  /nix/store/id2xkswsmj57xgy62b0hz4fl30nawjp3-harmonia-clippy-3.2.0.drv