these 3 derivations will be built:
  /nix/store/w0k0nvy3jrvwz9jbb0xkxr3nm1nabxfk-treefmt.toml.drv
  /nix/store/c8cmic0hzz0jw6dj0wdf1d9vmw7h5xg8-treefmt.drv
  /nix/store/isy8n8z3b5fg33nd8n927364iqqxpvf7-treefmt-check.drv