these 3 derivations will be built:
  /nix/store/qxas4rjsk8kazpfnv568q2dmp4y65ax3-treefmt.toml.drv
  /nix/store/ppw9q0bs43vqbcnvvx2hhldw07zvcxih-treefmt.drv
  /nix/store/7z5vssdd6lpz6jaw9zs1gc0pg5nbi73x-treefmt-check.drv