these 3 derivations will be built:
  /nix/store/0lxwm9zqsyi3b9svhrgqy4fbvzp9agcc-treefmt.toml.drv
  /nix/store/cnh5bsxyrbbjss9cg4m37hrq5lndmn26-treefmt.drv
  /nix/store/6471a1kda64lh9v08kwxlnyyrddsh8ip-treefmt-check.drv