these 4 derivations will be built:
  /nix/store/sjkvap2v9b03zmfmm12q38yyjx96f9mj-nil.drv
  /nix/store/yqnnf879dv87y760vvp4nwx6xwxfqhqc-treefmt.toml.drv
  /nix/store/5ywh314sl7q4l31lhfqvhb4sgpik6qcf-treefmt.drv
  /nix/store/pp9c3bnxy5m8n6cqidnjsd5dbw6x39w9-treefmt-check.drv