these 3 derivations will be built:
  /nix/store/2ys2h81h1iq5yw2q3dc1587xqiwxvrlr-treefmt.toml.drv
  /nix/store/sfcbkn1zxjlwm6ngd1kn7h3jarbdpbcn-treefmt.drv
  /nix/store/1f0svmd7kndywd06azn3s7ixxyg1yk6m-treefmt-check.drv