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

       … while evaluating derivation 'pi-agent-environment-smoke'
         whose name attribute is located at «https://releases.nixos.org/nixos/unstable-small/nixos-26.11pre1076196.9e40872c6388/nixexprs.tar.xz?narHash=sha256-VgXXkkFgjPIp/VLfFGh41jnLhj0ygFMsyOZbh/T%2Bf3I%3D»/pkgs/stdenv/generic/make-derivation.nix:651:11

       … while evaluating attribute 'CANONICAL_SKILL_SOURCE' of derivation 'pi-agent-environment-smoke'
         at «git+file:///var/lib/nixbot/worktrees/1-dd32480d4cc9-263?ref=HEAD&rev=2b7ee9a972146a74b398ad6970527dca08e5e089»/modules/checks/pi-agent-environment.nix:2561:15:
         2560|               MODELS_FIXTURE = modelsFixture;
         2561|               CANONICAL_SKILL_SOURCE = if canonicalSkillSource == null then "" else canonicalSkillSource;
             |               ^
         2562|             }

       … while evaluating the option `programs.opencode.skills':

       … while evaluating definitions from `/nix/store/bn2si2g7z7pl3286bb53fdkhwva1ibfh-source/modules/home/ai/skills/default.nix, via option flake.modules.homeManager.ai':

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

       error: write of 72 bytes: Broken pipe