error: … while evaluating a branch condition at «string»:23:10: 22| if !keepName n then {} 23| else if !builtins.isAttrs c || isDrv c then c | ^ 24| else if c ? _type || !(c.recurseForDerivations or true) then {} … in the left operand of the OR (||) operator at «string»:23:33: 22| if !keepName n then {} 23| else if !builtins.isAttrs c || isDrv c then c | ^ 24| else if c ? _type || !(c.recurseForDerivations or true) then {} … while evaluating definitions from `/nix/store/lvsqwkiahrpkq103xrzp4cl8jyqp9dxk-source/builtinModules/packages.nix': (stack trace truncated; use '--show-trace' to show the full, detailed trace) error: Cannot build '/nix/store/7jnxkqv1arn07jdhm73a0yxkcnbr4zc8-source.drv'. Reason: platform mismatch Required system: 'aarch64-linux' Current system: 'x86_64-linux'