these 3 derivations will be built:
  /nix/store/1xalh934x9b36aiqbbxa2hwn4c35bd03-treefmt.toml.drv
  /nix/store/x98788j83zyb39q3vlpcd9q87iy5dmmf-treefmt.drv
  /nix/store/v6ddn9l8x1h87lnax6czksh68h0s1nl0-inputDerivation-treefmt-check.drv