these 2 derivations will be built:
  /nix/store/nwr6zrpy853bwp8a0ir5119q4rm0czsz-treefmt.drv
  /nix/store/rlq4hiv78fy4slq0akvwbifr59ik6zj5-treefmt-check.drv
this path will be fetched (0.0 KiB download, 0.6 KiB unpacked):
  /nix/store/g9b2lllwm2npvsw4bqk012bwkjvfv7mx-treefmt.toml