these 3 derivations will be built:
  /nix/store/x5adljhx24n8shfddcvjdndzfy40k40r-treefmt.toml.drv
  /nix/store/pqx53g9ch3v3b4hfipwqn25sy6n58jxq-treefmt.drv
  /nix/store/npvanmcb3izsfjksngbjw1fwi3mxsixx-treefmt-check.drv