these 7 derivations will be built:
  /nix/store/vgx9ywi38c5ly1xrlqlr3cwvnng9nyc0-niks3-server-conf.json.drv
  /nix/store/7hl8bvx5ahv7ammzccd7750igph272wj-stream-niks3-server.drv
  /nix/store/f9y4rm8d0964q9svn1qbb9lk1ffxsv3a-niks3-server.tar.drv
  /nix/store/mbw59xksmbzdf2df8r9sljxvpj2pm22s-stream-niks3-server.drv
  /nix/store/mm4zpfsgy1qzggi8mrwws5iwzfz691y2-niks3-server.tar.drv
  /nix/store/v24x5p88nafqn5gaakhkclsxh30ncv1n-images.drv
  /nix/store/z58p9a253hy984byia82n2a4k3cjxvhk-niks3-server-docker.drv