these 4 derivations will be built:
  /nix/store/wrx5kqxxlaxjjkmz5j6n6ng2cs8019nf-iets-0.1.0.drv
  /nix/store/awkyccn9xh84clc61wp9pdk6qmxa5818-home-manager-path.drv
  /nix/store/v81vsdh7x4dqgfv2i3l2263frf8sq1gl-activation-script.drv
  /nix/store/5504q9k0546rmbahijir3jsd5xz020cp-home-manager-generation.drv