this derivation will be built:
  /nix/store/sws11i677m0d8cfjixbx52hbyiilxiq1-nix-update-1.16.0.drv
this path will be fetched (121.5 KiB download, 583.5 KiB unpacked):
  /nix/store/vjjwma7vvr6sdfhbqr69x2l708rq9801-nixpkgs-review-3.9.0