nixbot

error:
       … while evaluating a branch condition
         at «string»:23:10:
           22|     if !keepName n then {}
           23|     else if !builtins.isAttrs c || isDrv c then c
             |          ^
           24|     else if c ? _type || !(c.recurseForDerivations or true) then {}

       … in the left operand of the OR (||) operator
         at «string»:23:33:
           22|     if !keepName n then {}
           23|     else if !builtins.isAttrs c || isDrv c then c
             |                                 ^
           24|     else if c ? _type || !(c.recurseForDerivations or true) then {}

       … while evaluating definitions from `/nix/store/2a9ylipb88x2sp2xn6cg58p5xm6qamai-source/modules/transposition.nix':

       … while evaluating definitions from `/nix/store/a4iyxm2g0d89c9qy3br0jw4cvd7jv3p7-source/nix/checks.nix, via option perSystem':

       … while evaluating the option `system.build.toplevel':

       … while evaluating definitions from `/nix/store/3vr7skkmisl7bvbmq7yshmwjka5xy8mw-source/nixos/modules/system/activation/top-level.nix':

       … while evaluating the option `warnings':

       … while evaluating definitions from `/nix/store/3vr7skkmisl7bvbmq7yshmwjka5xy8mw-source/nixos/modules/system/boot/systemd.nix':

       … while evaluating the option `systemd.services.nixbot.serviceConfig':

       … while evaluating definitions from `/nix/store/xdzgyk8fc0nlzmx3b9ajkf8c3yng0pp0-source/nixosModules/nixbot.nix':

       … while evaluating the option `services.nixbot.buildSystems':

       … while evaluating definitions from `nixos@services/nixbot':

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

       error: attribute 'systems' missing
       at /var/lib/nixbot/worktrees/61-facbf996397d-0e20d722/modules/services/nixbot/default.nix:48:24:
           47|         # Systems to build; everything else arrives via nix remote builders.
           48|         buildSystems = self.systems;
             |                        ^
           49|