these 4 derivations will be built:
  /nix/store/ma458cgccls4l5vn091pmwwxqw8y9g7d-nil.drv
  /nix/store/5bb58nq12s09bjasaw95rhvynj7kdgzw-treefmt.toml.drv
  /nix/store/mnzmbm8ayxr0a4l2ngxqygzpvrbphkzk-treefmt.drv
  /nix/store/gqfzbymrm059xa8k8szc3y11bpxq330l-treefmt-check.drv
this path will be fetched (237.2 KiB download, 605.5 KiB unpacked):
  /nix/store/ximcq9mlp6ca47n56pvf8w4qk78rnvqb-json2x-0.1.0