these 18 derivations will be built:
  /nix/store/2giqd43j25azd1i2brlmnzfr1xnra0bq-niks3-1.15.0.drv
  /nix/store/f485fanqfq86y7nnaqhqg43w9dzh01rk-niks3-server-1.15.0.drv
  /nix/store/kqlwf8jdb3zys0yqa1harxq1lhmynr9p-niks3-1.15.0.drv
  /nix/store/llkkbmlrwrsc8r9wkzwprniyzylsx3q4-niks3-server-customisation-layer.drv
  /nix/store/6rikbnr6b8srg3mssncnfa0rxqq0sr91-excludePaths.drv
  /nix/store/slpp4p7ls34i85wifxif6vcfarx0ks34-layers.json.drv
  /nix/store/4ppp0w31gd2fwlm3c2v8yzsz51r29c8h-niks3-server-conf.json.drv
  /nix/store/7m03vz13mgkfiblrfw9x8b29wsc4n80z-niks3-server-1.15.0.drv
  /nix/store/ma7ab6v2i158kwwigidr10wjhcnq8wa4-niks3-server-customisation-layer.drv
  /nix/store/qlxnb64i28k97b38bq5nmm96n8x16gdk-excludePaths.drv
  /nix/store/pa40qr5wzq8b8iifgm722266szi8nfs9-layers.json.drv
  /nix/store/m5swnj1kvy5hw4ps13d3703h2b5knq1z-niks3-server-conf.json.drv
  /nix/store/idwrwwn61ppjqz9g7mpl50xwwja54422-stream-niks3-server.drv
  /nix/store/66kx7152skb43p1lyrvww0h67r394fax-niks3-server.tar.drv
  /nix/store/sl95q3m2j2gz9lrbm5ih64drq6323z1y-stream-niks3-server.drv
  /nix/store/xdgng7y90mjv4x2shv5vsk4yz5qffz3j-niks3-server.tar.drv
  /nix/store/5k13mflxxvbjcv4i2k3pqpamw4008nv4-images.drv
  /nix/store/gzbjimibsyd1am6na133rgfjh9bcqk7h-niks3-server-docker.drv