these 3 derivations will be built:
  /nix/store/p89d7fcccnqa7b1f20xjjikq9xzn1xdi-treefmt.toml.drv
  /nix/store/l1k2hvv1mnwsw3x6gm6fripsjbwqa0l9-treefmt.drv
  /nix/store/x9vzvckqwi8a4pbbla2isbfb932r1ry6-inputDerivation-treefmt-check.drv