this derivation will be built:
  /nix/store/bqalxz87x8vnhvmy6fhyl2icrbar0wv9-Oracle_VM_VirtualBox_Extension_Pack-6.1.40.vbox-extpack.drv
building '/nix/store/00qwf12c9krv2mp403s680xhzyw38y3l-Oracle_VM_VirtualBox_Extension_Pack-6.1.40.vbox-extpack.drv'
Oracle_VM_VirtualBox_Extension_Pack-6.1.40.vbox-extpack> 
Oracle_VM_VirtualBox_Extension_Pack-6.1.40.vbox-extpack> trying https://download.virtualbox.org/virtualbox/6.1.40/Oracle_VM_VirtualBox_Extension_Pack-6.1.40.vbox-extpack
Oracle_VM_VirtualBox_Extension_Pack-6.1.40.vbox-extpack>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
Oracle_VM_VirtualBox_Extension_Pack-6.1.40.vbox-extpack>                                  Dload  Upload   Total   Spent    Left  Speed
Oracle_VM_VirtualBox_Extension_Pack-6.1.40.vbox-extpack> 100 10.7M  100 10.7M    0     0  10.1M      0  0:00:01  0:00:01 --:--:-- 10.1M

upload niks3: ok