these 3 derivations will be built:
  /nix/store/0nlrh1s48fds3p1q3dcjqiskbjkf37j3-treefmt.toml.drv
  /nix/store/r33ykmsps0vny4y3x96bp6alk3f6hdwk-treefmt.drv
  /nix/store/cf1070g7ky77719hv1dsdg9q2zgnnm6q-treefmt-check.drv