these 3 derivations will be built:
  /nix/store/ghh948y9rkm4msdlq0nl8mjcci454n0k-treefmt.toml.drv
  /nix/store/2614s5blqx7a1dazsr9x6gk0awy5jpy3-treefmt.drv
  /nix/store/50ayg0c13ix7943r3pw2jb08i4ggpz9s-treefmt-check.drv