these 3 derivations will be built:
  /nix/store/xcbcahwjg4gn1i3dnhgbfsghml2rda01-treefmt.toml.drv
  /nix/store/ixh2nqdq2bn0pdyi3w0r786v7nrz47h6-treefmt.drv
  /nix/store/bwb84l2qb66afc9b6ygb5mq6nvw7mdl7-clan.drv