these 12 derivations will be built:
  /nix/store/nd07jx5n95yw19nz47sb2kv57asj9jq1-stub-program.drv
  /nix/store/1y5bla7fddj1001jx6gpgdbfda7qjhj7-effect-script.sh.drv
  /nix/store/4b7vgy9ivq1hc7ym99c14sfs7y62cswd-effect-script.sh.drv
  /nix/store/78cc95v91bjn6jacc976yx496qaps7i4-effect-script.sh.drv
  /nix/store/7iq07grcwknav4wx13adwbwm3cr984di-effect-script.sh.drv
  /nix/store/8b2vvcnkln8f513xky1hsf8cvlib9rdq-effect-script.sh.drv
  /nix/store/8h1lx8rhy34hwpqknv7lnpblyph8fhnj-effect-script.sh.drv
  /nix/store/d739221ll414j15xhwy92v065xzc5jwb-effect-script.sh.drv
  /nix/store/glf0y0ij1advs8y830b8zqzil6bi7bch-effect-script.sh.drv
  /nix/store/nij7zmfpvb71b6if87529mq1dhp9pjw7-effect-script.sh.drv
  /nix/store/x71k1zjvrqmyjh0y9xl4discb2abhman-effect-script.sh.drv
  /nix/store/aypg9rzh1z6mf33i2haa4vg2vg7v5a6y-effects-interpreter.drv
this path will be fetched (0.0 KiB download, 1.6 MiB unpacked):
  /nix/store/1jhkxfbnx35m08gv5fyamp6ai5qhbjdh-diffutils-3.12