these 3 derivations will be built:
  /nix/store/w7hi7rfmsfbhbcx8zzcm0m3rxn7jwvpn-treefmt.toml.drv
  /nix/store/mhmznk6ns3d7mw0f2wfxdcw7vxwpb3sq-treefmt.drv
  /nix/store/q04fn9zs48axrlky796rfddcfxv6p784-treefmt-check.drv