1error:2 … while calling the 'derivationStrict' builtin3 at «nix-internal»/derivation-internal.nix:37:12:4 36|5 37| strict = derivationStrict drvAttrs;6 | ^7 38|89 … while evaluating derivation 'home-manager-generation'10 whose name attribute is located at «https://releases.nixos.org/nixos/unstable-small/nixos-26.11pre1078218.a251c42236bb/nixexprs.tar.xz?narHash=sha256-rrj0QhcnMUa9E7%2BD0NpF4FHpTgGsOXIDkh2ruzt641c%3D»/pkgs/stdenv/generic/make-derivation.nix:651:111112 … while evaluating attribute 'buildCommand' of derivation 'home-manager-generation'13 at «https://releases.nixos.org/nixos/unstable-small/nixos-26.11pre1078218.a251c42236bb/nixexprs.tar.xz?narHash=sha256-rrj0QhcnMUa9E7%2BD0NpF4FHpTgGsOXIDkh2ruzt641c%3D»/pkgs/build-support/trivial-builders/default.nix:88:9:14 87| inherit name;15 88| buildCommand = lib.toFunction buildCommand finalAttrs;16 | ^17 89| passAsFile = defaultPassAsFile ++ (userAttrs.passAsFile or [ ]);1819 … while evaluating the option `home.activation.installPackages.data':2021 … while evaluating definitions from `/nix/store/xnygwnm7n6j5rnnwb4dcp0i2hlwq5amj-source/modules/home-environment.nix':2223 (stack trace truncated; use '--show-trace' to show the full, detailed trace)2425 error: Refusing to evaluate package 'tmate-unstable-2022-08-07' in /nix/store/fv9q2q4cbd2adhnjvlvczjaqzyyw1fdk-source/pkgs/by-name/tm/tmate/package.nix:55 because it is marked as insecure2627 Known issues:28 - There are no upstream releases since 2019-11.29 - CVE-2018-193873031 You can install it anyway by allowing this package, using the32 following methods:3334 a) To temporarily allow all insecure packages, you can use an environment35 variable for a single invocation of the nix tools:3637 $ export NIXPKGS_ALLOW_INSECURE=13839 Note: When using `nix shell`, `nix build`, `nix develop`, etc with a flake,40 then pass `--impure` in order to allow use of environment variables.4142 b) for `nixos-rebuild` you can add ‘tmate-unstable-2022-08-07’ to43 `nixpkgs.config.permittedInsecurePackages` in the configuration.nix,44 like so:4546 {47 nixpkgs.config.permittedInsecurePackages = [48 "tmate-unstable-2022-08-07"49 ];50 }5152 c) For `nix-env`, `nix-build`, `nix-shell` or any other Nix command you can add53 ‘tmate-unstable-2022-08-07’ to `permittedInsecurePackages` in54 ~/.config/nixpkgs/config.nix, like so:5556 {57 permittedInsecurePackages = [58 "tmate-unstable-2022-08-07"59 ];60 }