these 8 derivations will be built:
  /nix/store/6nihdzxd6h255h0a77av9lc4jsf4shdj-hm-firefox-extensions.drv
  /nix/store/ncrf08k21gpvn0add7lzas7mr8ikvch0-hm-firefox-extensions.drv
  /nix/store/x8swb5l3plw4v0imlj3gkvjk19cws15s-home-manager-path.drv
  /nix/store/p7jgqza28spxxv4rak024xcrzkvhw125-hm_hmfontconfigfonts.xml.drv
  /nix/store/8bglg08pqrwivx6r1i4gbs59hckj9gkb-home-manager-files.drv
  /nix/store/2xa770g0hgzj1hwa7gfhm1cxgjn4rzwq-hm-putter.json.drv
  /nix/store/6yh35wsfppb4kzal6m8idvc6y0y0fkil-activation-script.drv
  /nix/store/2pi2ybf5wk0v58nbm4azxvda2wr6hdva-home-manager-generation.drv