these 4 derivations will be built:
  /nix/store/jwslh56vl0dn2dv5qii14fsnd9r3l4bd-hm_hmfontconfigfonts.xml.drv
  /nix/store/l1dlxqbr71f9a6pm9fc0wf2zfn2ma7ra-home-manager-files.drv
  /nix/store/r0hsbplmvkpi6va49cf73m5jkp32ghbk-activation-script.drv
  /nix/store/5wl34cvjr15gjicvm8yb2n833qlk59zw-home-manager-generation.drv