these 5 derivations will be built:
  /nix/store/dc0jyd4jf39dk73q81gj9va9nnz6qdsa-Cargo.toml.drv
  /nix/store/n73rf1nzy89khzibqdvvyk5lr1x1w4fq-Cargo.toml.drv
  /nix/store/ikbbhgr5qdw7yzqzlghgp2g31m5g39l4-source.drv
  /nix/store/3q5x0jagg63a7xcvh2bwy23b3ymz1sy4-harmonia-deps-3.2.0.drv
  /nix/store/7g843jnz4yadcyk034rvj3ha59mpjgdn-harmonia-clippy-3.2.0.drv