error: … while calling the 'derivationStrict' builtin at «nix-internal»/derivation-internal.nix:37:12: 36| 37| strict = derivationStrict drvAttrs; | ^ 38| … while evaluating derivation 'nixbot-tests' whose name attribute is located at «git+https://github.com/NixOS/nixpkgs?ref=nixos-unstable-small&rev=00fa9a692bafc08a86061886f888b843bf7fbdb0&shallow=1»/pkgs/stdenv/generic/make-derivation.nix:651:11 … while evaluating attribute 'propagatedBuildInputs' of derivation 'nixbot-tests' at «git+https://github.com/NixOS/nixpkgs?ref=nixos-unstable-small&rev=00fa9a692bafc08a86061886f888b843bf7fbdb0&shallow=1»/pkgs/stdenv/generic/make-derivation.nix:729:11: 728| depsHostHostPropagated = propagatedHostHostOutputs; 729| propagatedBuildInputs = propagatedHostTargetOutputs; | ^ 730| depsTargetTargetPropagated = propagatedTargetTargetOutputs; (stack trace truncated; use '--show-trace' to show the full, detailed trace) error: Refusing to evaluate package 'bubblewrap-0.11.2' in /nix/store/jf3f0q6jjl8a1wbcicf07cmn09fayc27-source/pkgs/by-name/bu/bubblewrap/package.nix:55 because it is not available on the requested hostPlatform: hostPlatform.system = "aarch64-darwin" package.meta.platforms = [ "aarch64-linux" "arc-linux" "armv5tel-linux" "armv6l-linux" "armv7a-linux" "armv7l-linux" "i686-linux" "loongarch64-linux" "m68k-linux" "sh4-linux" "microblaze-linux" "microblazeel-linux" "mips-linux" "mips64-linux" "mips64el-linux" "mipsel-linux" "powerpc-linux" "powerpc64-linux" "powerpc64le-linux" "riscv32-linux" "riscv64-linux" "s390-linux" "s390x-linux" "x86_64-linux" ] package.meta.badPlatforms = [ ] a) To temporarily allow packages that are unsupported for this system, you can use an environment variable for a single invocation of the nix tools. $ export NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM=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.allowUnsupportedSystem = true; } in configuration.nix to override this. c) For `nix-env`, `nix-build`, `nix-shell` or any other Nix command you can add { allowUnsupportedSystem = true; } to ~/.config/nixpkgs/config.nix.