building the system configuration...
error:
       … while calling the 'seq' builtin

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:322:18:

          321|         options = checked options;
          322|         config = checked (removeAttrs config [ "_module" ]);
             |                  ^
          323|         _module = checked (config._module);

       … while evaluating a branch condition

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:261:9:

          260|       checkUnmatched =
          261|         if config._module.check && config._module.freeformType == null && merged.unmatchedDefns != [] then
             |         ^
          262|           let

       … in the left operand of the AND (&&) operator

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:261:72:

          260|       checkUnmatched =
          261|         if config._module.check && config._module.freeformType == null && merged.unmatchedDefns != [] then
             |                                                                        ^
          262|           let

       … in the left operand of the AND (&&) operator

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:261:33:

          260|       checkUnmatched =
          261|         if config._module.check && config._module.freeformType == null && merged.unmatchedDefns != [] then
             |                                 ^
          262|           let

       … while evaluating a branch condition

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:254:12:

          253|
          254|         in if declaredConfig._module.freeformType == null then declaredConfig
             |            ^
          255|           # Because all definitions that had an associated option ended in

       … from call site

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:242:28:

          241|           # For definitions that have an associated option
          242|           declaredConfig = mapAttrsRecursiveCond (v: ! isOption v) (_: v: v.value) options;
             |                            ^
          243|

       … while calling 'mapAttrsRecursiveCond'

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/attrsets.nix:745:5:

          744|     # Attribute set to recursively map over.
          745|     set:
             |     ^
          746|     let

       … from call site

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:234:33:

          233|           ({ inherit lib options config specialArgs; } // specialArgs);
          234|         in mergeModules prefix (reverseList collected);
             |                                 ^
          235|

       … while calling 'reverseList'

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/lists.nix:504:17:

          503|   */
          504|   reverseList = xs:
             |                 ^
          505|     let l = length xs; in genList (n: elemAt xs (l - n - 1)) l;

       … from call site

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:229:25:

          228|       merged =
          229|         let collected = collectModules
             |                         ^
          230|           class

       … while calling anonymous lambda

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:445:37:

          444|
          445|     in modulesPath: initialModules: args:
             |                                     ^
          446|       filterModules modulesPath (collectStructuredModules unknownModule "" initialModules args);

       … from call site

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:446:7:

          445|     in modulesPath: initialModules: args:
          446|       filterModules modulesPath (collectStructuredModules unknownModule "" initialModules args);
             |       ^
          447|

       … while calling 'filterModules'

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:413:36:

          412|       # modules recursively. It returns the final list of unique-by-key modules
          413|       filterModules = modulesPath: { disabled, modules }:
             |                                    ^
          414|         let

       … while calling anonymous lambda

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:439:31:

          438|           disabledKeys = concatMap ({ file, disabled }: map (moduleKey file) disabled) disabled;
          439|           keyFilter = filter (attrs: ! elem attrs.key disabledKeys);
             |                               ^
          440|         in map (attrs: attrs.module) (builtins.genericClosure {

       … from call site

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:400:22:

          399|           let
          400|             module = checkModule (loadModule args parentFile "${parentKey}:anon-${toString n}" x);
             |                      ^
          401|             collectedImports = collectStructuredModules module._file module.key module.imports args;

       … while calling anonymous lambda

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:359:11:

          358|         then
          359|           m:
             |           ^
          360|             if m._class != null -> m._class == class

       … from call site

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:400:35:

          399|           let
          400|             module = checkModule (loadModule args parentFile "${parentKey}:anon-${toString n}" x);
             |                                   ^
          401|             collectedImports = collectStructuredModules module._file module.key module.imports args;

       … while calling 'loadModule'

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:336:53:

          335|       # Like unifyModuleSyntax, but also imports paths and calls functions if necessary
          336|       loadModule = args: fallbackFile: fallbackKey: m:
             |                                                     ^
          337|         if isFunction m then

       … from call site

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:337:12:

          336|       loadModule = args: fallbackFile: fallbackKey: m:
          337|         if isFunction m then
             |            ^
          338|           unifyModuleSyntax fallbackFile fallbackKey (applyModuleArgs fallbackKey m args)

       … while calling 'isFunction'

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/trivial.nix:443:16:

          442|   */
          443|   isFunction = f: builtins.isFunction f ||
             |                ^
          444|     (f ? __functor && isFunction (f.__functor f));

       … while calling anonymous lambda

         at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:506:44:

          505|       context = name: ''while evaluating the module argument `${name}' in "${key}":'';
          506|       extraArgs = builtins.mapAttrs (name: _:
             |                                            ^
          507|         builtins.addErrorContext (context name)

       … while evaluating the module argument `outputs' in "/nix/store/lp89ar687cf8laxn7g8ikhbba4l0zyma-source/hosts/marlon":

       error: infinite recursion encountered

       at /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/lib/modules.nix:508:28:

          507|         builtins.addErrorContext (context name)
          508|           (args.${name} or config._module.args.${name})
             |                            ^
          509|       ) (lib.functionArgs f);