these 2 derivations will be built:
  /nix/store/ilna1cq5gfl9r9bmyqspmbsxvb9725lv-treefmt-with-config-2.6.0.drv
  /nix/store/gw02v6fndpb22r73gkzvfww3lsccvyv4-treefmt-with-config-check.drv