these 3 derivations will be built:
  /nix/store/6k6a5b3wqxyk79dgckyh7802faavdawy-treefmt.toml.drv
  /nix/store/54dzpksj3x87y9hg53z6dz73c4iwkixm-treefmt.drv
  /nix/store/5zcjazsjns7c176xznd9bkpg7nnakcwb-treefmt-check.drv