error:
       … while calling the 'derivationStrict' builtin
         at «nix-internal»/derivation-internal.nix:37:12:
           36|
           37|   strict = derivationStrict drvAttrs;
             |            ^
           38|

       … while evaluating derivation 'postgresql-replication-check'
         whose name attribute is located at «git+https://github.com/SBEE-Lab/nixpkgs?ref=main&rev=26e35aa273febba0db3ab1e3f95e314eadfc6991&shallow=1»/pkgs/stdenv/generic/make-derivation.nix:651:11

       … while evaluating attribute 'buildCommand' of derivation 'postgresql-replication-check'
         at «git+https://github.com/SBEE-Lab/nixpkgs?ref=main&rev=26e35aa273febba0db3ab1e3f95e314eadfc6991&shallow=1»/pkgs/build-support/trivial-builders/default.nix:81:17:
           80|         enableParallelBuilding = true;
           81|         inherit buildCommand name;
             |                 ^
           82|         passAsFile = [ "buildCommand" ] ++ (derivationArgs.passAsFile or [ ]);

       … while evaluating the option `services.vector.settings':

       … while evaluating definitions from `/nix/store/1gvbd3cqq4xjjfhiy4zf2dh0af8mnwbk-source/modules/rustfs/monitoring.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: The option `services.rustfs.enable' in `/nix/store/vb46447j2a668vg5v2n8d5b6zbalp7b1-source/nixos/modules/services/web-servers/rustfs.nix' is already declared in `/nix/store/1gvbd3cqq4xjjfhiy4zf2dh0af8mnwbk-source/modules/rustfs/options.nix'.