warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-1165', using 'master'
error: expression does not evaluate to a derivation (or a set or list of those)
Traceback (most recent call last):
  File "/nix/store/pcprf2w3synw8cbl8diz77kqx2rxjn7d-nixbot-effects/bin/.nixbot-effects-wrapped", line 9, in <module>
    sys.exit(main())
             ~~~~^^
  File "/nix/store/pcprf2w3synw8cbl8diz77kqx2rxjn7d-nixbot-effects/lib/python3.13/site-packages/nixbot_effects/cli.py", line 357, in main
    args.func(args)
    ~~~~~~~~~^^^^^^
  File "/nix/store/pcprf2w3synw8cbl8diz77kqx2rxjn7d-nixbot-effects/lib/python3.13/site-packages/nixbot_effects/cli.py", line 143, in run_command
    drv_path = instantiate_effects(effect, options, gcroot)
  File "/nix/store/pcprf2w3synw8cbl8diz77kqx2rxjn7d-nixbot-effects/lib/python3.13/site-packages/nixbot_effects/__init__.py", line 231, in instantiate_effects
    return _instantiate(
        f"let e = ({effect_function(opts)}).{effect}; in if e ? run then e.run else e",
        opts,
        gcroot,
    )
  File "/nix/store/pcprf2w3synw8cbl8diz77kqx2rxjn7d-nixbot-effects/lib/python3.13/site-packages/nixbot_effects/__init__.py", line 225, in _instantiate
    proc = run(cmd, stdout=subprocess.PIPE, debug=opts.debug)
  File "/nix/store/pcprf2w3synw8cbl8diz77kqx2rxjn7d-nixbot-effects/lib/python3.13/site-packages/nixbot_effects/__init__.py", line 42, in run
    return subprocess.run(
           ~~~~~~~~~~~~~~^
        cmd,
        ^^^^
    ...<4 lines>...
        stderr=stderr,
        ^^^^^^^^^^^^^^
    )
    ^
  File "/nix/store/60m4rxhg2fldqaak400c0lry96ijrzqn-python3-3.13.13/lib/python3.13/subprocess.py", line 577, in run
    raise CalledProcessError(retcode, process.args,
                             output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['nix-instantiate', '--extra-experimental-features', 'flakes', '--add-root', '/tmp/tmp30wzceyn/result', '--expr', 'let e = (\n      let\n        flake = builtins.getFlake "git+file:///var/lib/nixbot/worktrees/effect-1165?rev=5f8e47497f37924b4526c62ea99d2a1fbef70912#";\n        outputName = if flake.outputs ? herculesCI then\n          "herculesCI"\n        else if flake.outputs ? effects then\n          "effects"\n        else\n          null;\n      in\n        if outputName == null then\n          {}\n        else\n          (flake.outputs.${outputName}\n            (builtins.fromJSON "{\\"primaryRepo\\": {\\"name\\": \\"nix-community/harmonia\\", \\"branch\\": \\"gh-readonly-queue/main/pr-1096-967f1eb1d01f299fcd32db2a54f20c6393636612\\", \\"ref\\": null, \\"tag\\": null, \\"rev\\": \\"5f8e47497f37924b4526c62ea99d2a1fbef70912\\", \\"shortRev\\": \\"5f8e474\\", \\"remoteHttpUrl\\": \\"https://github.com/nix-community/harmonia.git\\"}, \\"name\\": \\"nix-community/harmonia\\", \\"branch\\": \\"gh-readonly-queue/main/pr-1096-967f1eb1d01f299fcd32db2a54f20c6393636612\\", \\"ref\\": null, \\"tag\\": null, \\"rev\\": \\"5f8e47497f37924b4526c62ea99d2a1fbef70912\\", \\"shortRev\\": \\"5f8e474\\", \\"remoteHttpUrl\\": \\"https://github.com/nix-community/harmonia.git\\"}")).onPush.default.outputs.effects or {}\n    ).uploadCodecov; in if e ? run then e.run else e']' returned non-zero exit status 1.