Read the Docs build information
Build id: 204361
Project: espressif-esp-idf
Version: latest
Commit: 6890326504a00d6254175020ed4914b3beb44bf3
Date: 2019-04-27T12:30:37.881691Z
State: finished
Success: False


[rtd-command-info] start-time: 2019-04-27T12:30:38.446962Z, end-time: 2019-04-27T12:30:38.453858Z, duration: 0, exit-code: 0
git remote set-url origin https://github.com/espressif/esp-idf.git


[rtd-command-info] start-time: 2019-04-27T12:30:38.513584Z, end-time: 2019-04-27T12:30:41.276867Z, duration: 2, exit-code: 0
git fetch --tags --prune --prune-tags --depth 50
From https://github.com/espressif/esp-idf
   a20d02b7f..689032650  master       -> origin/master
   d39c0cc28..b8d1ff5e9  release/v3.1 -> origin/release/v3.1
   225bc0f80..193b8e93a  release/v3.2 -> origin/release/v3.2
   510f72693..56afb3bd1  release/v3.3 -> origin/release/v3.3

[rtd-command-info] start-time: 2019-04-27T12:30:41.499533Z, end-time: 2019-04-27T12:30:42.240781Z, duration: 0, exit-code: 0
git checkout --force origin/master
Previous HEAD position was a20d02b7f Merge branch 'feature/remove_dependency_to_soc' into 'master'
HEAD is now at 689032650 Merge branch 'test/always_deploy_test_result_on_master' into 'master'

[rtd-command-info] start-time: 2019-04-27T12:30:42.302277Z, end-time: 2019-04-27T12:30:42.329524Z, duration: 0, exit-code: 0
git clean -d -f -f


[rtd-command-info] start-time: 2019-04-27T12:30:42.563979Z, end-time: 2019-04-27T12:30:42.662051Z, duration: 0, exit-code: 0
git submodule sync
Synchronizing submodule url for 'components/asio/asio'
Synchronizing submodule url for 'components/bootloader/subproject/components/micro-ecc/micro-ecc'
Synchronizing submodule url for 'components/bt/lib'
Synchronizing submodule url for 'components/coap/libcoap'
Synchronizing submodule url for 'components/esp_wifi/lib_esp32'
Synchronizing submodule url for 'components/esptool_py/esptool'
Synchronizing submodule url for 'components/expat/expat'
Synchronizing submodule url for 'components/json/cJSON'
Synchronizing submodule url for 'components/libsodium/libsodium'
Synchronizing submodule url for 'components/lwip/lwip'
Synchronizing submodule url for 'components/mbedtls/mbedtls'
Synchronizing submodule url for 'components/mqtt/esp-mqtt'
Synchronizing submodule url for 'components/nghttp/nghttp2'
Synchronizing submodule url for 'components/protobuf-c/protobuf-c'
Synchronizing submodule url for 'components/spiffs/spiffs'
Synchronizing submodule url for 'components/unity/unity'
Synchronizing submodule url for 'examples/build_system/cmake/import_lib/main/lib/tinyxml2'

[rtd-command-info] start-time: 2019-04-27T12:30:42.723573Z, end-time: 2019-04-27T12:31:12.324893Z, duration: 29, exit-code: 0
git submodule update --init --force --recursive components/esptool_py/esptool components/bt/lib components/bootloader/subproject/components/micro-ecc/micro-ecc components/coap/libcoap components/nghttp/nghttp2 components/libsodium/libsodium components/spiffs/spiffs components/json/cJSON components/mbedtls/mbedtls components/asio/asio components/expat/expat components/lwip/lwip components/mqtt/esp-mqtt components/protobuf-c/protobuf-c components/unity/unity examples/build_system/cmake/import_lib/main/lib/tinyxml2 components/esp_wifi/lib_esp32
Submodule path 'components/asio/asio': checked out '55efc179b76139c8f9b44bf22a4aba4803f7a7bd'
Submodule path 'components/bootloader/subproject/components/micro-ecc/micro-ecc': checked out 'd037ec89546fad14b5c4d5456c2e23a71e554966'
Submodule path 'components/bt/lib': checked out '70d6a277d7adb468fc4dbeed92a64144569bf080'
Submodule path 'components/coap/libcoap': checked out 'cfec0d072c5b99ed3e54828ca50ea2f6b91e1f50'
Submodule path 'components/coap/libcoap/ext/tinydtls': checked out '3b24a701ed5b0785306aa732e739ecb1eb3d03f8'
Submodule path 'components/esp_wifi/lib_esp32': checked out 'ebeade52df37b69bd8105542f08fcd1ae4fbbe48'
Submodule path 'components/esptool_py/esptool': checked out 'b4c418a5d90c94863b44c8661b9332cf229b08b7'
Submodule path 'components/expat/expat': checked out '968b8cc46dbee47b83318d5f31a8e7907199614b'
Submodule path 'components/json/cJSON': checked out '7cc52f60356909b3dd260304c7c50c0693699353'
Submodule path 'components/libsodium/libsodium': checked out '70170c28c844a4786e75efc626e1aeebc93caebc'
Submodule path 'components/lwip/lwip': checked out 'fe9a58cb7abdc74e7a2196b7c4e0a29ff9042f88'
Submodule path 'components/mbedtls/mbedtls': checked out '19eb57f7f7b2f4312d497ddbcb5f104fc6877c70'
Submodule path 'components/mqtt/esp-mqtt': checked out '39118d5182f804edc01ed030c8ba137a9c7f388e'
Submodule path 'components/nghttp/nghttp2': checked out '3bcc416e13cc790e2fb45fcfe9111d38609c5032'
Submodule path 'components/nghttp/nghttp2/third-party/mruby': checked out '22464fe5a0a10f2b077eaba109ce1e912e4a77de'
Submodule path 'components/nghttp/nghttp2/third-party/neverbleed': checked out 'da5c2ab419a3bb8a4cc6c37a6c7f3e4bd4b41134'
Submodule path 'components/protobuf-c/protobuf-c': checked out 'dac1a65feac4ad72f612aab99f487056fbcf5c1a'
Submodule path 'components/spiffs/spiffs': checked out 'f5e26c4e933189593a71c6b82cda381a7b21e41c'
Submodule path 'components/unity/unity': checked out '7d2bf62b7e6afaf38153041a9d53c21aeeca9a25'
Submodule path 'examples/build_system/cmake/import_lib/main/lib/tinyxml2': checked out '7e8e249990ec491ec15990cf95b6d871a66cf64a'

[rtd-command-info] start-time: 2019-04-27T12:31:13.788294Z, end-time: 2019-04-27T12:31:16.918958Z, duration: 3, exit-code: 0
python3.7 -mvirtualenv --no-site-packages --no-download 
Using base prefix '/home/docs/.pyenv/versions/3.7.1'
New python executable in /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/bin/python3.7
Also creating executable in /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/bin/python
Installing setuptools, pip, wheel...
done.

[rtd-command-info] start-time: 2019-04-27T12:31:16.981318Z, end-time: 2019-04-27T12:31:19.170134Z, duration: 2, exit-code: 0
python -m pip install --upgrade --cache-dir /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/.cache/pip pip
Collecting pip
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Installing collected packages: pip
  Found existing installation: pip 18.1
    Uninstalling pip-18.1:
      Successfully uninstalled pip-18.1
Successfully installed pip-19.1

[rtd-command-info] start-time: 2019-04-27T12:31:19.250642Z, end-time: 2019-04-27T12:31:30.238576Z, duration: 10, exit-code: 0
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    Uninstalling setuptools-40.6.3:
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[rtd-command-info] start-time: 2019-04-27T12:31:30.297915Z, end-time: 2019-04-27T12:31:35.869409Z, duration: 5, exit-code: 0
python -m pip install --exists-action=w --cache-dir /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/.cache/pip -r docs/requirements.txt
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Requirement already satisfied: docutils>=0.11 in /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages (from sphinx>=1.8.4->-r docs/requirements.txt (line 4)) (0.14)
Collecting blockdiag>=1.5.0 (from sphinxcontrib-blockdiag>=1.5.5->-r docs/requirements.txt (line 8))
  Downloading https://files.pythonhosted.org/packages/e6/37/a3a4d09c8cbe16b303ed75fd07381e5460b37a25fe247645f2251477887a/blockdiag-1.5.4-py2.py3-none-any.whl (2.7MB)
Collecting seqdiag>=0.9.3 (from sphinxcontrib-seqdiag>=0.8.5->-r docs/requirements.txt (line 9))
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Collecting actdiag>=0.5.3 (from sphinxcontrib-actdiag>=0.8.5->-r docs/requirements.txt (line 10))
  Downloading https://files.pythonhosted.org/packages/39/13/4b7b1d738cea26fbe80d1a5546628115d10b0f02880be2b724cc8004f5db/actdiag-0.5.4-py2.py3-none-any.whl (2.6MB)
Collecting nwdiag>=1.0.3 (from sphinxcontrib-nwdiag>=0.9.5->-r docs/requirements.txt (line 11))
  Downloading https://files.pythonhosted.org/packages/8e/06/42e672cc4b0efddd40f0c0de412dda7c29f8a971afb54b3d77579c28aa29/nwdiag-1.0.4-py2.py3-none-any.whl (7.7MB)
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Requirement already satisfied: urllib3<1.25,>=1.21.1 in /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages (from requests>=2.0.0->sphinx>=1.8.4->-r docs/requirements.txt (line 4)) (1.24.2)
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Requirement already satisfied: pyparsing>=2.0.2 in /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages (from packaging->sphinx>=1.8.4->-r docs/requirements.txt (line 4)) (2.4.0)
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Collecting funcparserlib (from blockdiag>=1.5.0->sphinxcontrib-blockdiag>=1.5.5->-r docs/requirements.txt (line 8))
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Building wheels for collected packages: sphinx-notfound-page, funcparserlib
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  Stored in directory: /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/.cache/pip/wheels/ac/af/0b/df615e55dcc79e7d77da6721e1a78b57a313edc7dfea7b67cd
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  Stored in directory: /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/.cache/pip/wheels/03/eb/48/ade4df39d3eb30e31518e91e4ee0572ca6c1292a94f782f9da
Successfully built sphinx-notfound-page funcparserlib
ERROR: breathe 4.13.0.post0 has requirement Sphinx>=2.0, but you'll have sphinx 1.8.5 which is incompatible.
Installing collected packages: breathe, sphinx-notfound-page, funcparserlib, webcolors, blockdiag, sphinxcontrib-blockdiag, seqdiag, sphinxcontrib-seqdiag, actdiag, sphinxcontrib-actdiag, nwdiag, sphinxcontrib-nwdiag
Successfully installed actdiag-0.5.4 blockdiag-1.5.4 breathe-4.13.0.post0 funcparserlib-0.3.6 nwdiag-1.0.4 seqdiag-0.9.6 sphinx-notfound-page-0.2.1 sphinxcontrib-actdiag-0.8.5 sphinxcontrib-blockdiag-1.5.5 sphinxcontrib-nwdiag-0.9.5 sphinxcontrib-seqdiag-0.8.5 webcolors-1.8.1

[rtd-command-info] start-time: 2019-04-27T12:31:37.267735Z, end-time: 2019-04-27T12:31:37.327414Z, duration: 0, exit-code: 0
cat docs/en/conf.py
# -*- coding: utf-8 -*-
#
# English Language RTD & Sphinx config file
#
# Uses ../conf_common.py for most non-language-specific settings.

# Importing conf_common adds all the non-language-specific
# parts to this conf module
import sys
import os
sys.path.insert(0, os.path.abspath('..'))
from conf_common import *  # noqa: F401, F403 - need to make available everything from common

# General information about the project.
project = u'ESP-IDF Programming Guide'
copyright = u'2016 - 2019, Espressif Systems (Shanghai) CO., LTD'

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
language = 'en'




###########################################################################
#          auto-created readthedocs.org specific configuration            #
###########################################################################


#
# The following code was added during an automated build on readthedocs.org
# It is auto created and injected for every build. The result is based on the
# conf.py.tmpl file found in the readthedocs.org codebase:
# https://github.com/rtfd/readthedocs.org/blob/master/readthedocs/doc_builder/templates/doc_builder/conf.py.tmpl
#


import importlib
import sys
import os.path
from six import string_types

from sphinx import version_info

# Get suffix for proper linking to GitHub
# This is deprecated in Sphinx 1.3+,
# as each page can have its own suffix
if globals().get('source_suffix', False):
    if isinstance(source_suffix, string_types):
        SUFFIX = source_suffix
    elif isinstance(source_suffix, (list, tuple)):
        # Sphinx >= 1.3 supports list/tuple to define multiple suffixes
        SUFFIX = source_suffix[0]
    elif isinstance(source_suffix, dict):
        # Sphinx >= 1.8 supports a mapping dictionary for mulitple suffixes
        SUFFIX = list(source_suffix.keys())[0]  # make a ``list()`` for py2/py3 compatibility
    else:
        # default to .rst
        SUFFIX = '.rst'
else:
    SUFFIX = '.rst'

# Add RTD Static Path. Add to the end because it overwrites previous files.
if not 'html_static_path' in globals():
    html_static_path = []
if os.path.exists('_static'):
    html_static_path.append('_static')

# Add RTD Theme only if they aren't overriding it already
using_rtd_theme = (
    (
        'html_theme' in globals() and
        html_theme in ['default'] and
        # Allow people to bail with a hack of having an html_style
        'html_style' not in globals()
    ) or 'html_theme' not in globals()
)
if using_rtd_theme:
    theme = importlib.import_module('sphinx_rtd_theme')
    html_theme = 'sphinx_rtd_theme'
    html_style = None
    html_theme_options = {}
    if 'html_theme_path' in globals():
        html_theme_path.append(theme.get_html_theme_path())
    else:
        html_theme_path = [theme.get_html_theme_path()]

if globals().get('websupport2_base_url', False):
    websupport2_base_url = 'https://readthedocs.com/websupport'
    websupport2_static_url = 'https://media.readthedocs.com/'


#Add project information to the template context.
context = {
    'using_theme': using_rtd_theme,
    'html_theme': html_theme,
    'current_version': "latest",
    'version_slug': "latest",
    'MEDIA_URL': "https://media.readthedocs.com/media/",
    'STATIC_URL': "https://media.readthedocs.com/",
    'PRODUCTION_DOMAIN': "readthedocs.com",
    'versions': [
    ("latest", "/en/latest/"),
    ("stable", "/en/stable/"),
    ("v3.2", "/en/v3.2/"),
    ("v3.2-rc", "/en/v3.2-rc/"),
    ("v3.1.4", "/en/v3.1.4/"),
    ("v3.1.3", "/en/v3.1.3/"),
    ("v3.1.2", "/en/v3.1.2/"),
    ("v3.1.1", "/en/v3.1.1/"),
    ("v3.1", "/en/v3.1/"),
    ("v3.1-rc2", "/en/v3.1-rc2/"),
    ("v3.1-rc1", "/en/v3.1-rc1/"),
    ("v3.0.7", "/en/v3.0.7/"),
    ("v3.0.6", "/en/v3.0.6/"),
    ("v3.0.5", "/en/v3.0.5/"),
    ("v3.0.4", "/en/v3.0.4/"),
    ("v3.0.3", "/en/v3.0.3/"),
    ("v3.0.2", "/en/v3.0.2/"),
    ("v3.0.1", "/en/v3.0.1/"),
    ("v3.0", "/en/v3.0/"),
    ("v2.1.1", "/en/v2.1.1/"),
    ("v2.1", "/en/v2.1/"),
    ("v2.0", "/en/v2.0/"),
    ],
    'downloads': [ 
    ("pdf", "//readthedocs.com/projects/espressif-esp-idf/downloads/pdf/latest/"),
    ("html", "//readthedocs.com/projects/espressif-esp-idf/downloads/htmlzip/latest/"),
    ],
    'subprojects': [ 
    ],
    'slug': 'espressif-esp-idf',
    'name': u'esp-idf',
    'rtd_language': u'en',
    'programming_language': u'c',
    'canonical_url': 'https://docs.espressif.com/projects/esp-idf/en/latest/',
    'analytics_code': 'UA-132861133-1',
    'single_version': False,
    'conf_py_path': '/docs/en/',
    'api_host': 'https://readthedocs.com',
    'github_user': 'espressif',
    'github_repo': 'esp-idf',
    'github_version': 'master',
    'display_github': True,
    'bitbucket_user': 'None',
    'bitbucket_repo': 'None',
    'bitbucket_version': 'master',
    'display_bitbucket': False,
    'gitlab_user': 'None',
    'gitlab_repo': 'None',
    'gitlab_version': 'master',
    'display_gitlab': False,
    'READTHEDOCS': True,
    'using_theme': (html_theme == "default"),
    'new_theme': (html_theme == "sphinx_rtd_theme"),
    'source_suffix': SUFFIX,
    'ad_free': False,
    'user_analytics_code': 'UA-132861133-1',
    'global_analytics_code': 'UA-17997319-2',
    'commit': '68903265',
}




if 'html_context' in globals():
    
    html_context.update(context)
    
else:
    html_context = context

# Add custom RTD extension
if 'extensions' in globals():
    # Insert at the beginning because it can interfere
    # with other extensions.
    # See https://github.com/rtfd/readthedocs.org/pull/4054
    extensions.insert(0, "readthedocs_ext.readthedocs")
else:
    extensions = ["readthedocs_ext.readthedocs"]

[rtd-command-info] start-time: 2019-04-27T12:31:37.388270Z, end-time: 2019-04-27T12:32:12.197238Z, duration: 34, exit-code: 2
python sphinx-build -T -b readthedocs -d _build/doctrees-readthedocs -D language=en . _build/html
Running Sphinx v1.8.5
Getting Doxyfile's INPUT
Generating 'api_name.inc' files with Doxygen directives
../../Kconfig:15: warning: 'option env="IDF_TARGET"' on symbol IDF_TARGET_ENV has no effect, because the environment variable IDF_TARGET is not set
Creating directory _build/toolchain_inc
Calling Doxygen to generate latest XML files
Generating kconfig.inc from kconfig contents
List of Kconfig: app_trace, bt, driver, efuse, esp32, esp_adc_cal, esp_event, esp_http_client, esp_http_server, esp_https_ota, esp_wifi, espcoredump, ethernet, fatfs, freemodbus, freertos, heap, libsodium, log, lwip, mbedtls, mdns, mqtt, nvs_flash, openssl, pthread, spi_flash, spiffs, tcpip_adapter, unity, vfs, wear_levelling
List of Kconfig.projbuild: app_update, bootloader, esptool_py, partition_table
Generating toolchain download links
Version: v4.0-dev-447-g689032650  Release: v4.0-dev-447-g689032650
loading translations [en]... done
fatal: no tag exactly matches '6890326504a00d6254175020ed4914b3beb44bf3'
Git commit ID:  689032650
making output directory...
Creating directory _build/version_inc
Writing _build/version_inc/git-clone-bash.inc...
Writing _build/version_inc/git-clone-windows.inc...
Writing _build/version_inc/git-clone-notes.inc...
Wrote git-clone-xxx.inc files
_build/version_inc/version-note.inc written
Done
Generating version-specific includes...
building [mo]: targets for 0 po files that are out of date
building [readthedocs]: targets for 200 source files that are out of date
updating environment: 200 added, 0 changed, 0 removed
reading sources... [  0%] 404
reading sources... [  1%] COPYRIGHT
reading sources... [  1%] about
reading sources... [  2%] api-guides/RF_calibration
reading sources... [  2%] api-guides/app_trace
reading sources... [  3%] api-guides/blufi
reading sources... [  3%] api-guides/bootloader
reading sources... [  4%] api-guides/build-system
reading sources... [  4%] api-guides/build-system-cmake
reading sources... [  5%] api-guides/console
reading sources... [  5%] api-guides/core_dump
reading sources... [  6%] api-guides/deep-sleep-stub
reading sources... [  6%] api-guides/error-handling
reading sources... [  7%] api-guides/event-handling
reading sources... [  7%] api-guides/external-ram
reading sources... [  8%] api-guides/fatal-errors
reading sources... [  8%] api-guides/freertos-smp
reading sources... [  9%] api-guides/general-notes
reading sources... [  9%] api-guides/hlinterrupts
reading sources... [ 10%] api-guides/index
reading sources... [ 10%] api-guides/jtag-debugging/building-openocd-linux
reading sources... [ 11%] api-guides/jtag-debugging/building-openocd-macos
reading sources... [ 11%] api-guides/jtag-debugging/building-openocd-windows
reading sources... [ 12%] api-guides/jtag-debugging/configure-other-jtag
reading sources... [ 12%] api-guides/jtag-debugging/configure-wrover
reading sources... [ 13%] api-guides/jtag-debugging/debugging-examples
reading sources... [ 13%] api-guides/jtag-debugging/index
reading sources... [ 14%] api-guides/jtag-debugging/setup-openocd-linux
reading sources... [ 14%] api-guides/jtag-debugging/setup-openocd-macos
reading sources... [ 15%] api-guides/jtag-debugging/setup-openocd-windows
reading sources... [ 15%] api-guides/jtag-debugging/tips-and-quirks
reading sources... [ 16%] api-guides/jtag-debugging/using-debugger
reading sources... [ 16%] api-guides/jtag-debugging/windows-openocd-note
reading sources... [ 17%] api-guides/linker-script-generation
reading sources... [ 17%] api-guides/mesh
reading sources... [ 18%] api-guides/partition-tables
reading sources... [ 18%] api-guides/romconsole
reading sources... [ 19%] api-guides/thread-local-storage
reading sources... [ 19%] api-guides/tools/idf-monitor
reading sources... [ 20%] api-guides/ulp
reading sources... [ 20%] api-guides/ulp-cmake
reading sources... [ 21%] api-guides/ulp_instruction_set
reading sources... [ 21%] api-guides/ulp_macros
reading sources... [ 22%] api-guides/unit-tests
reading sources... [ 22%] api-guides/unit-tests-cmake
reading sources... [ 23%] api-guides/wifi
reading sources... [ 23%] api-guides/wireshark-user-guide
reading sources... [ 24%] api-reference/bluetooth/bt_common
reading sources... [ 24%] api-reference/bluetooth/bt_le
reading sources... [ 25%] api-reference/bluetooth/classic_bt
reading sources... [ 25%] api-reference/bluetooth/controller_vhci
WARNING: edge_layout is very experimental feature!
/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/checkouts/latest/docs/en/api-guides/ulp-cmake.rst:134: WARNING: Duplicate declaration, esp_err_t ulp_load_binary(uint32_t load_addr, const uint8_t * program_binary, size_t program_size)
/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/checkouts/latest/docs/en/api-guides/ulp-cmake.rst:140: WARNING: Duplicate declaration, esp_err_t ulp_run(uint32_t entry_point)
/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/checkouts/latest/docs/en/api-guides/ulp-cmake.rst:157: WARNING: Duplicate declaration, esp_err_t ulp_set_wakeup_period(size_t period_index, uint32_t period_us)
../../components/ulp/README.rst:58: WARNING: Duplicate declaration, esp_err_t ulp_run(uint32_t entry_point)

Traceback (most recent call last):
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/cmd/build.py", line 304, in build_main
    app.build(args.force_all, filenames)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/application.py", line 341, in build
    self.builder.build_update()
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/builders/__init__.py", line 347, in build_update
    len(to_build))
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/builders/__init__.py", line 360, in build
    updated_docnames = set(self.read())
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/builders/__init__.py", line 468, in read
    self._read_serial(docnames)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/builders/__init__.py", line 490, in _read_serial
    self.read_doc(docname)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/builders/__init__.py", line 534, in read_doc
    doctree = read_doc(self.app, self.env, self.env.doc2path(docname))
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/io.py", line 318, in read_doc
    pub.publish()
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/core.py", line 217, in publish
    self.settings)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/readers/__init__.py", line 72, in read
    self.parse()
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/readers/__init__.py", line 78, in parse
    self.parser.parse(self.input, document)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/parsers.py", line 88, in parse
    self.statemachine.run(inputstring, document, inliner=self.inliner)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 171, in run
    input_source=document['source'])
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/statemachine.py", line 239, in run
    context, state, transitions)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/statemachine.py", line 460, in check_line
    return method(match, context, next_state)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 2753, in underline
    self.section(title, source, style, lineno - 1, messages)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 327, in section
    self.new_subsection(title, lineno, messages)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 395, in new_subsection
    node=section_node, match_titles=True)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 282, in nested_parse
    node=node, match_titles=match_titles)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 196, in run
    results = StateMachineWS.run(self, input_lines, input_offset)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/statemachine.py", line 239, in run
    context, state, transitions)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/statemachine.py", line 460, in check_line
    return method(match, context, next_state)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 2753, in underline
    self.section(title, source, style, lineno - 1, messages)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 327, in section
    self.new_subsection(title, lineno, messages)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 395, in new_subsection
    node=section_node, match_titles=True)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 282, in nested_parse
    node=node, match_titles=match_titles)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 196, in run
    results = StateMachineWS.run(self, input_lines, input_offset)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/statemachine.py", line 239, in run
    context, state, transitions)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/statemachine.py", line 460, in check_line
    return method(match, context, next_state)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 2753, in underline
    self.section(title, source, style, lineno - 1, messages)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 327, in section
    self.new_subsection(title, lineno, messages)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 395, in new_subsection
    node=section_node, match_titles=True)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 282, in nested_parse
    node=node, match_titles=match_titles)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 196, in run
    results = StateMachineWS.run(self, input_lines, input_offset)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/statemachine.py", line 239, in run
    context, state, transitions)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/statemachine.py", line 460, in check_line
    return method(match, context, next_state)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 2326, in explicit_markup
    nodelist, blank_finish = self.explicit_construct(match)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 2338, in explicit_construct
    return method(self, expmatch)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 2081, in directive
    directive_class, match, type_name, option_presets)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/docutils/parsers/rst/states.py", line 2130, in run_directive
    result = directive_instance.run()
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/breathe/directives.py", line 312, in run
    self.directive_args)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/breathe/directive/base.py", line 85, in render
    return object_renderer.render(node_stack[0], context)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/breathe/renderer/sphinxrenderer.py", line 1303, in render
    result = method(self, node)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/breathe/renderer/sphinxrenderer.py", line 1234, in dispatch_compound
    return self.visit_compound(node)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/breathe/renderer/sphinxrenderer.py", line 512, in visit_compound
    name, kind)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/breathe/renderer/sphinxrenderer.py", line 492, in render_signature
    nodes = self.run_domain_directive(kind, self.context.directive_args[1], augment=augment)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/breathe/renderer/sphinxrenderer.py", line 354, in run_domain_directive
    nodes = domain_directive.run()
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/domains/cpp.py", line 6387, in run
    return ObjectDescription.run(self)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/directives/__init__.py", line 161, in run
    name = self.handle_signature(sig, signode)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/sphinx/domains/cpp.py", line 6395, in handle_signature
    ast = self.parse_definition(parser)
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/breathe/renderer/sphinxrenderer.py", line 47, in parse_definition
    ast = parser.parse_declaration("class", "class")
TypeError: parse_declaration() takes 2 positional arguments but 3 were given

Exception occurred:
  File "/home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-idf/envs/latest/lib/python3.7/site-packages/breathe/renderer/sphinxrenderer.py", line 47, in parse_definition
    ast = parser.parse_declaration("class", "class")
TypeError: parse_declaration() takes 2 positional arguments but 3 were given
The full traceback has been saved in /tmp/sphinx-err-540v168i.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
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