GC Warning: Failed to expand heap by 4194304 KiB GC Warning: Failed to expand heap by 4194304 KiB error: … while evaluating attribute 'drv' at /nix/store/9jzmw2l7ci5rnc4y8i3lapmwl908r143-filnix-experiment-0.9.0/lib/experiment/planner.nix:14:3: 13| { 14| drv = p.drvPath; | ^ 15| name = p.name; … while evaluating the attribute 'drvPath' at /nix/store/4h8ij8n26qq982ykh1863alb2gnxrvb6-source/lib/customisation.nix:418:7: 417| // { 418| drvPath = | ^ 419| assert condition; (stack trace truncated; use '--show-trace' to show the full, detailed trace) error: Package ‘openxray-2921-january-2025-rc1’ in /nix/store/4h8ij8n26qq982ykh1863alb2gnxrvb6-source/pkgs/games/openxray/default.nix:85 has an unfree license (‘unfree’), refusing to evaluate. a) To temporarily allow unfree packages, you can use an environment variable for a single invocation of the nix tools. $ export NIXPKGS_ALLOW_UNFREE=1 Note: When using `nix shell`, `nix build`, `nix develop`, etc with a flake, then pass `--impure` in order to allow use of environment variables. b) For `nixos-rebuild` you can set { nixpkgs.config.allowUnfree = true; } in configuration.nix to override this. Alternatively you can configure a predicate to allow specific packages: { nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ "openxray" ]; } c) For `nix-env`, `nix-build`, `nix-shell` or any other Nix command you can add { allowUnfree = true; } to ~/.config/nixpkgs/config.nix. GC Warning: Failed to expand heap by 4194304 KiB GC Warning: Failed to expand heap by 4194304 KiB error: … while evaluating attribute 'drv' at /nix/store/9jzmw2l7ci5rnc4y8i3lapmwl908r143-filnix-experiment-0.9.0/lib/experiment/planner.nix:14:3: 13| { 14| drv = p.drvPath; | ^ 15| name = p.name; … while evaluating the attribute 'drvPath' at /nix/store/av0sz9bg2k4cqpb7dlawza8lk3ay10sd-source/lib/customisation.nix:418:7: 417| // { 418| drvPath = | ^ 419| assert condition; (stack trace truncated; use '--show-trace' to show the full, detailed trace) error: Package ‘gnutls-3.8.9’ in /nix/store/av0sz9bg2k4cqpb7dlawza8lk3ay10sd-source/pkgs/development/libraries/gnutls/default.nix:250 is marked as broken, refusing to evaluate. a) To temporarily allow broken packages, you can use an environment variable for a single invocation of the nix tools. $ export NIXPKGS_ALLOW_BROKEN=1 Note: When using `nix shell`, `nix build`, `nix develop`, etc with a flake, then pass `--impure` in order to allow use of environment variables. b) For `nixos-rebuild` you can set { nixpkgs.config.allowBroken = true; } in configuration.nix to override this. c) For `nix-env`, `nix-build`, `nix-shell` or any other Nix command you can add { allowBroken = true; } to ~/.config/nixpkgs/config.nix.