these 2 derivations will be built:
  /nix/store/pprl9nfh9il74ik9linmp3l8b4sa33q4-treefmt.drv
  /nix/store/pf4zjmhmy26qlrgafhv3svwyjfvzsrw0-treefmt-check.drv
this path will be fetched (0.0 KiB download, 0.8 KiB unpacked):
  /nix/store/wxdp6fa33iz5hr0wqkz58l3kvgs10qcg-treefmt.toml