these 2 derivations will be built:
  /nix/store/vwxb2z7qakkribg4ajqidfp42h4z3zam-treefmt-with-config-2.6.0.drv
  /nix/store/p4x9mh3blv87ivbjk05vndjmwv1w7w2f-treefmt-with-config-check.drv