these 3 derivations will be built:
  /nix/store/h54bmhcgmgpbbx6wgigqx58m1zfxkb28-treefmt.toml.drv
  /nix/store/9raqhrqdnz3ldlf48q46s2mjfva894k3-treefmt.drv
  /nix/store/mllixjbhi3d4gah8lcg36kdgh07mcy5x-treefmt-check.drv