GC Warning: Failed to expand heap by 4194304 KiB error: … while evaluating attribute 'drv' at /nix/store/01va76hp6j011dz90bk8jrm120kaq9yq-filnix-experiment-0.7.0/lib/experiment/planner.nix:14:3: 13| { 14| drv = p.drvPath; | ^ 15| name = p.name; … while evaluating the attribute 'drvPath' at /nix/store/vcrngg1r3xc9xzsivkjiq9n8vb1kmz5j-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 ‘minidjvu-0.8’ in /nix/store/vcrngg1r3xc9xzsivkjiq9n8vb1kmz5j-source/pkgs/by-name/mi/minidjvu/package.nix:33 is marked as insecure, refusing to evaluate. Known issues: - minidjvu is vulnerable to a number of out-of-bound read vulnerabilities, potentially causing denials of service (CVE-2017-12441, CVE-2017-12442, CVE-2017-12443, CVE-2017-12444, CVE-2017-12445) You can install it anyway by allowing this package, using the following methods: a) To temporarily allow all insecure packages, you can use an environment variable for a single invocation of the nix tools: $ export NIXPKGS_ALLOW_INSECURE=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 add ‘minidjvu-0.8’ to `nixpkgs.config.permittedInsecurePackages` in the configuration.nix, like so: { nixpkgs.config.permittedInsecurePackages = [ "minidjvu-0.8" ]; } c) For `nix-env`, `nix-build`, `nix-shell` or any other Nix command you can add ‘minidjvu-0.8’ to `permittedInsecurePackages` in ~/.config/nixpkgs/config.nix, like so: { permittedInsecurePackages = [ "minidjvu-0.8" ]; } GC Warning: Failed to expand heap by 4194304 KiB error: … while evaluating attribute 'drv' at /nix/store/01va76hp6j011dz90bk8jrm120kaq9yq-filnix-experiment-0.7.0/lib/experiment/planner.nix:14:3: 13| { 14| drv = p.drvPath; | ^ 15| name = p.name; … while evaluating the attribute 'drvPath' at /nix/store/8k5flbpar6w9hdavrqll501bii2sd7g1-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/8k5flbpar6w9hdavrqll501bii2sd7g1-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. GC Warning: Failed to expand heap by 4194304 KiB error: … while evaluating attribute 'drv' at /nix/store/01va76hp6j011dz90bk8jrm120kaq9yq-filnix-experiment-0.7.0/lib/experiment/planner.nix:14:3: 13| { 14| drv = p.drvPath; | ^ 15| name = p.name; … while evaluating the attribute 'drvPath' at /nix/store/njbibhzsgvv5m3irdcbk1g15hgrpggg2-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/njbibhzsgvv5m3irdcbk1g15hgrpggg2-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.