1error:2 … while evaluating a branch condition3 at «string»:25:5:4 24| v:5 25| if !builtins.isAttrs v || isDrv v then6 | ^7 26| v89 … in the left operand of the OR (||) operator10 at «string»:25:28:11 24| v:12 25| if !builtins.isAttrs v || isDrv v then13 | ^14 26| v1516 (stack trace truncated; use '--show-trace' to show the full, detailed trace)1718 error: attribute 'x86_64-darwin' missing19 at «github:NixOS/nixpkgs/37b97ae3dd714de9a17923d004a2c5b5543dfa6d?narHash=sha256-wdYD41UwNwPhTdMaG0AIe7fE1bAdyHe6bB4HLUqUvck%3D»/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix:83:16:20 82| url = "http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html";21 83| sha256 = sha256.${stdenv.hostPlatform.system};22 | ^23 84| };