these 4 derivations will be built:
  /nix/store/bgjyl13lxs354a749glmfhhywz9hr91b-nil.drv
  /nix/store/sshgiyh9qxk1a3fhhhrfdg435mn3fir2-treefmt.toml.drv
  /nix/store/4a05z55y728lw0m7q19j24wb8knav3x6-treefmt.drv
  /nix/store/59v0q5v0anc13j20jv9f887601gy7fwh-treefmt-check.drv