error: … while calling the 'derivationStrict' builtin at «nix-internal»/derivation-internal.nix:37:12: 36| 37| strict = derivationStrict drvAttrs; | ^ 38| … while evaluating derivation 'nixos-system-eva-26.11.20260607.abe2591' whose name attribute is located at «git+https://github.com/Mic92/nixpkgs?ref=main&rev=abe259120e6cb7861cbf5cb666225f53e473ccb3&shallow=1»/pkgs/stdenv/generic/make-derivation.nix:651:11 … while evaluating attribute 'buildCommand' of derivation 'nixos-system-eva-26.11.20260607.abe2591' at «git+https://github.com/Mic92/nixpkgs?ref=main&rev=abe259120e6cb7861cbf5cb666225f53e473ccb3&shallow=1»/nixos/modules/system/activation/top-level.nix:63:7: 62| allowSubstitutes = false; 63| buildCommand = systemBuilder; | ^ 64| … while evaluating the option `environment.etc."systemd/system".source': … while evaluating the option `systemd.units."telegraf.service".text': … while evaluating definitions from `/nix/store/z62x1phckyqk631vbrj75f6kc4a6016q-source/nixos/modules/system/boot/systemd.nix': … while evaluating definitions from `/nix/store/fc7zrx43wsvc6065i1r3ya3g64iii62n-source/shared/common/flake.nix': … while evaluating the option `flake.checks': … while evaluating the option `partitions.dev.module': … while evaluating definitions from `/nix/store/60xs78gj9pq73bx3hxamya8x8bjghpxz-source/extras/partitions.nix': (stack trace truncated; use '--show-trace' to show the full, detailed trace) error: Failed to open archive (Source threw exception: error: unable to download 'https://github.com/cachix/pre-commit-hooks.nix/archive/3cfd774b0a530725a077e17354fbdb87ea1c4aad.tar.gz': HTTP error 504 response body:

504 Gateway Time-out

The server didn't respond in time. )