Dart doc failed after publishing but works fine locally

[buijs-dev]

Problem

On pub my package gets 0/10 points because dart doc fails.
Running dart doc locally works (Flutter 3.10.6):

@macbook-pro klutter-dart-ui % dart doc
Documenting klutter_ui... Initialized dartdoc with 685 libraries
Generating docs for library klutter_ui from package:klutter_ui/klutter_ui.dart...
no issues found
Documented 1 public library in 33.5 seconds

name: klutter_ui
description: Flutter widgets to be used in conjunction with the klutter plugin.
version: 1.0.1
homepage: https://buijs.dev
repository: https://github.com/buijs-dev/klutter-dart-ui

environment:
  sdk: ">=2.17.6 <4.0.0"

dependencies:
  flutter:
    sdk: flutter

dev_dependencies:
  coverage: ^1.6.4
  dartdoc: ^6.3.0
  test: ^1.24.7
  pana: ^0.21.39

--trace output

Running analysis for "klutter_ui" version "1.0.1"

STARTED: 2023-10-20T17:09:13.586798Z

Starting dartdoc

INFO: 2023-10-20 17:09:30.253398: Running /home/worker/dart/stable/bin/dart --version...
INFO: 2023-10-20 17:09:30.368589: Running /home/worker/flutter/stable/bin/flutter --no-version-check --version --machine...
WARNING: 2023-10-20 17:09:31.096535: Unable to detect Flutter version.
ERROR: Exception: Unable to parse output as JSON:

OUT:
{
  "frameworkVersion": "3.13.6",
  "channel": "[user-branch]",
  "repositoryUrl": "unknown source",
  "frameworkRevision": "ead455963c12b453cdb2358cad34969c76daf180",
  "frameworkCommitDate": "2023-09-26 18:28:17 -0700",
  "engineRevision": "a794cf2681c6c9fe7b260e0e84de96298dc9c18b",
  "dartSdkVersion": "3.1.3",
  "devToolsVersion": "2.25.0",
  "flutterVersion": "3.13.6",
[29 more lines]

, null
INFO: 2023-10-20 17:09:31.139907: Downloading package klutter_ui 1.0.1 from https://pub.dartlang.org/packages/klutter_ui/versions/1.0.1.tar.gz
INFO: 2023-10-20 17:09:31.391354: Running pub upgrade
INFO: 2023-10-20 17:09:31.447317: Running /home/worker/flutter/stable/bin/flutter --no-version-check packages pub upgrade --no-example --verbose...
Unhandled exception:
type 'Null' is not a subtype of type 'YamlMap' in type cast
#0 yamlToJson (package:pana/src/utils.dart:185:39)
dart-lang/pub#1 _dartdoc (package:pub_worker/src/bin/dartdoc_wrapper.dart:140:23)

dart-lang/pub#2 main (package:pub_worker/src/bin/dartdoc_wrapper.dart:56:5)

Execution of dartdoc exited 255

STOPPED: 2023-10-20T17:09:40.411301Z

Starting pana

2023-10-20 17:09:54.731194 INFO: Running /home/worker/dart/stable/bin/dart --version...
2023-10-20 17:09:54.774316 INFO: Running /home/worker/flutter/stable/bin/flutter --no-version-check --version --machine...
2023-10-20 17:09:55.389446 INFO: Downloading package klutter_ui 1.0.1 from https://pub.dartlang.org/packages/klutter_ui/versions/1.0.1.tar.gz
2023-10-20 17:09:55.756660 INFO: Running /home/worker/flutter/stable/bin/flutter --no-version-check pub pub get --no-example...
2023-10-20 17:09:57.090701 INFO: Running /home/worker/flutter/stable/bin/flutter --no-version-check pub pub get --no-example...
2023-10-20 17:09:58.135475 INFO: Running /home/worker/flutter/stable/bin/flutter --no-version-check pub pub outdated --json --up-to-date --no-dev-dependencies --no-dependency-overrides...
2023-10-20 17:09:59.520097 INFO: Analyzing package...
2023-10-20 17:09:59.550283 INFO: Running /home/worker/flutter/stable/bin/cache/dart-sdk/bin/dart analyze --format machine lib...
2023-10-20 17:10:13.026050 INFO: Running git init...
2023-10-20 17:10:13.198140 INFO: Running git remote add origin https://github.com/buijs-dev/klutter-dart-ui...
2023-10-20 17:10:13.250596 INFO: Running git remote show origin...
2023-10-20 17:10:15.150477 INFO: Running git fetch --depth 1 --no-recurse-submodules origin main...
2023-10-20 17:10:15.889130 INFO: Running git ls-tree -r --name-only --full-tree origin/main...
2023-10-20 17:10:15.917670 INFO: Running git show origin/main:pubspec.yaml...
2023-10-20 17:10:16.510151 INFO: Running /home/worker/dart/stable/bin/dart format --output=none --set-exit-if-changed /tmp/pana_SRKVUN/lib...
2023-10-20 17:10:17.749240 INFO: Writing summary.json

Execution of pana exited 0

STOPPED: 2023-10-20T17:10:17.853203Z

[sigurdm]

From the logs:

## Running analysis for "klutter_ui" version "1.0.1"
STARTED: 2023-10-26T14:59:18.694045Z

### Starting dartdoc
INFO: 2023-10-26 14:59:36.309824: Running `/home/worker/dart/stable/bin/dart --version`...
INFO: 2023-10-26 14:59:36.365039: Running `/home/worker/flutter/stable/bin/flutter --no-version-check --version --machine`...
INFO: 2023-10-26 14:59:36.599670: Downloading package klutter_ui 1.0.1 from https://pub.dartlang.org/packages/klutter_ui/versions/1.0.1.tar.gz
INFO: 2023-10-26 14:59:36.877108: Running pub upgrade
INFO: 2023-10-26 14:59:36.936733: Running `/home/worker/flutter/stable/bin/flutter --no-version-check packages pub upgrade --no-example --verbose`...
Unhandled exception:
type 'Null' is not a subtype of type 'YamlMap' in type cast
#0      yamlToJson (package:pana/src/utils.dart:185:39)
#1      _dartdoc (package:pub_worker/src/bin/dartdoc_wrapper.dart:140:23)
<asynchronous suspension>
#2      main (package:pub_worker/src/bin/dartdoc_wrapper.dart:56:5)
<asynchronous suspension>
### Execution of dartdoc exited 255
STOPPED: 2023-10-26T14:59:38.534677Z
### Starting pana
2023-10-26 14:59:53.575228 INFO: Running `/home/worker/dart/stable/bin/dart --version`...
2023-10-26 14:59:53.618929 INFO: Running `/home/worker/flutter/stable/bin/flutter --no-version-check --version --machine`...
2023-10-26 14:59:53.874053 INFO: Downloading package klutter_ui 1.0.1 from https://pub.dartlang.org/packages/klutter_ui/versions/1.0.1.tar.gz
2023-10-26 14:59:54.187633 INFO: Running `/home/worker/flutter/stable/bin/flutter --no-version-check pub pub get --no-example`...
2023-10-26 14:59:55.580542 INFO: Running `/home/worker/flutter/stable/bin/flutter --no-version-check pub pub get --no-example`...
2023-10-26 14:59:56.651397 INFO: Running `/home/worker/flutter/stable/bin/flutter --no-version-check pub pub outdated --json --up-to-date --no-dev-dependencies --no-dependency-overrides`...
2023-10-26 14:59:58.073508 INFO: Analyzing package...
2023-10-26 14:59:58.103675 INFO: Running `/home/worker/flutter/stable/bin/cache/dart-sdk/bin/dart analyze --format machine lib`...
2023-10-26 15:00:03.595284 INFO: Running `/home/worker/dart/stable/bin/dart format --output=none --set-exit-if-changed /tmp/pana_YRXVUE/lib`...
2023-10-26 15:00:04.217709 INFO: Writing summary.json
### Execution of pana exited 0
STOPPED: 2023-10-26T15:00:04.323707Z

@isoos do you see what is going on?

[isoos]

Apparently we have failed to handle the customization of the empty dartdoc_options.yaml:
https://github.com/buijs-dev/klutter-dart-ui/blob/main/dartdoc_options.yaml