these 3 derivations will be built:
  /nix/store/m7wgp54s58fwhwjf7bwlqyp3dz9jr1rc-treefmt.toml.drv
  /nix/store/ln5zhmwign4miwk7p0jxsbsq37s7r05f-treefmt.drv
  /nix/store/vrkyi5qmkdcr1anm0wrhsm5v13msjxnz-treefmt-check.drv