these 3 derivations will be built:
  /nix/store/bz2nk6wgbjjdmsafhxklc3xfj1ichxv4-treefmt.toml.drv
  /nix/store/2yz9889mzhin9fh0bf9sgvlghiay15cx-treefmt.drv
  /nix/store/nm8781k97iklb2f1widghiqy5rdvchbs-treefmt-check.drv