these 2 derivations will be built:
  /nix/store/zmlh1d8s7bw0pk9rmmv3wc7gvxn57x3a-nvidia_video_sdk_6.0.1.zip.drv
  /nix/store/lbyg0p3a2jqpss4lljc33b4m6m10a659-nvidia-video-sdk-6.0.1.drv
building '/nix/store/i55jdsxzrqaj5dghpraz0srm37mw0x02-nvidia_video_sdk_6.0.1.zip.drv'
nvidia_video_sdk_6.0.1.zip> 
nvidia_video_sdk_6.0.1.zip> trying https://developer.nvidia.com/video-sdk-601
nvidia_video_sdk_6.0.1.zip>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
nvidia_video_sdk_6.0.1.zip>                                  Dload  Upload   Total   Spent    Left  Speed
nvidia_video_sdk_6.0.1.zip>   0 13808    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
nvidia_video_sdk_6.0.1.zip> curl: (22) The requested URL returned error: 404
nvidia_video_sdk_6.0.1.zip> error: cannot download nvidia_video_sdk_6.0.1.zip from any mirror
error: Cannot build '/nix/store/i55jdsxzrqaj5dghpraz0srm37mw0x02-nvidia_video_sdk_6.0.1.zip.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/0lwdj3hla0viaki53k4s64nbx6gv3vww-nvidia_video_sdk_6.0.1.zip
       Last 7 log lines:
       >
       > trying https://developer.nvidia.com/video-sdk-601
       >   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
       >                                  Dload  Upload   Total   Spent    Left  Speed
       >   0 13808    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
       > curl: (22) The requested URL returned error: 404
       > error: cannot download nvidia_video_sdk_6.0.1.zip from any mirror
       For full logs, run:
         nix log /nix/store/i55jdsxzrqaj5dghpraz0srm37mw0x02-nvidia_video_sdk_6.0.1.zip.drv
error: build of resolved derivation '/nix/store/i55jdsxzrqaj5dghpraz0srm37mw0x02-nvidia_video_sdk_6.0.1.zip.drv' failed
error: Cannot build '/nix/store/lbyg0p3a2jqpss4lljc33b4m6m10a659-nvidia-video-sdk-6.0.1.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/vm0j4v8vna91gw80dsz7wav9dh0clfmh-nvidia-video-sdk-6.0.1