error: … while calling the 'derivationStrict' builtin at «nix-internal»/derivation-internal.nix:37:12: 36| 37| strict = derivationStrict drvAttrs; | ^ 38| … while evaluating derivation 'nix-unit-check' whose name attribute is located at «https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre964972.9cf7092bdd60/nixexprs.tar.xz?narHash=sha256-SpvueJPdKD%2BU/Q2btT3e3rAYgbPQP6nbcYYfK3BJQDA%3D»/pkgs/stdenv/generic/make-derivation.nix:536:13 … while evaluating attribute 'nativeBuildInputs' of derivation 'nix-unit-check' at «https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre964972.9cf7092bdd60/nixexprs.tar.xz?narHash=sha256-SpvueJPdKD%2BU/Q2btT3e3rAYgbPQP6nbcYYfK3BJQDA%3D»/pkgs/stdenv/generic/make-derivation.nix:585:13: 584| depsBuildBuild = elemAt (elemAt dependencies 0) 0; 585| nativeBuildInputs = elemAt (elemAt dependencies 0) 1; | ^ 586| depsBuildTarget = elemAt (elemAt dependencies 0) 2; (stack trace truncated; use '--show-trace' to show the full, detailed trace) error: attribute 'nixComponents_2_35' missing at «github:nix-community/nix-unit/b3d16367c54621fd073aa8c1dd510042f771f624?narHash=sha256-11IOL5tyJbB3vMQzzhIULuPtoHJpkLFz4BaKApm6t0Q%3D»/flake.nix:35:29: 34| nix-unit = pkgs.callPackage ./default.nix { 35| nixComponents = pkgs.nixVersions.nixComponents_2_35; | ^ 36| }; Did you mean one of nixComponents_2_30, nixComponents_2_31, nixComponents_2_32, nixComponents_2_33 or nixComponents_2_34?