these 3 derivations will be built:
  /nix/store/2xnf8ngfq20g97262a7286llzw3bb4r5-treefmt-2.6.0.drv
  /nix/store/qvlwrsyq8c9s8kzvpjrmijgzjhk7g0xf-treefmt.drv
  /nix/store/jcxvy1m19nzlm7x7jznbb4rj9qla7342-treefmt-check.drv
these 2 paths will be fetched (2.9 MiB download, 18.2 MiB unpacked):
  /nix/store/vmmf2qahip7fryrqwj6d8nicl4x5bg7h-source
  /nix/store/3wvyqip8davvj932v6nb7f340mncqc0m-treefmt-2.6.0-go-modules