these 3 derivations will be built:
  /nix/store/bfq8fh56yv4fvkipi55rlj1bqqd60y9x-treefmt.toml.drv
  /nix/store/i2kd0fnqvxfhpnw2ivgbls66f4300a5g-treefmt.drv
  /nix/store/za5y4kiw1jf25lhrmj4k9n8m3czx6fnf-treefmt-check.drv