these 3 derivations will be built:
  /nix/store/7ihivv4jgj7gx6xprc6jyv7n14bxvl0l-sub2api-frontend-0.2.20.drv
  /nix/store/anzyzpgvs46bncsc1399b41blwhaly5j-sub2api-0.2.20.drv
  /nix/store/ady77609c5ig5r6s45yyaajr6bn5b88b-check-sub2api.drv