Using alabaster theme
WARNING: ./include/crypto/skcipher.h:166 struct member 'SKCIPHER_ALG_COMMON' not described in 'skcipher_alg'
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/driver-api/basics:42: ./kernel/time/time.c:370: WARNING: Duplicate C declaration, also defined at driver-api/basics:440.
Declaration is '.. c:function:: unsigned int jiffies_to_msecs (const unsigned long j)'. [duplicate_declaration.c]
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/driver-api/basics:42: ./kernel/time/time.c:393: WARNING: Duplicate C declaration, also defined at driver-api/basics:457.
Declaration is '.. c:function:: unsigned int jiffies_to_usecs (const unsigned long j)'. [duplicate_declaration.c]
WARNING: ./include/linux/usb/typec_altmode.h:44 struct member 'priority' not described in 'typec_altmode'
WARNING: ./include/linux/usb/typec_altmode.h:44 struct member 'mode_selection' not described in 'typec_altmode'
WARNING: ./include/linux/virtio.h:188 struct member 'map' not described in 'virtio_device'
WARNING: ./include/linux/virtio.h:188 struct member 'VIRTIO_DECLARE_FEATURES(features' not described in 'virtio_device'
WARNING: ./include/linux/virtio.h:188 struct member 'vmap' not described in 'virtio_device'
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/core-api/kref:328: ./include/linux/kref.h:72: WARNING: Invalid C declaration: Expected end of definition. [error at 96]
  int kref_put_mutex (struct kref *kref, void (*release)(struct kref *kref), struct mutex *mutex) __cond_acquires(true# mutex)
  ------------------------------------------------------------------------------------------------^
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/core-api/kref:328: ./include/linux/kref.h:94: WARNING: Invalid C declaration: Expected end of definition. [error at 92]
  int kref_put_lock (struct kref *kref, void (*release)(struct kref *kref), spinlock_t *lock) __cond_acquires(true# lock)
  --------------------------------------------------------------------------------------------^
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/gpu/drm-kms:360: ./drivers/gpu/drm/drm_fourcc.c:397: WARNING: Duplicate C declaration, also defined at gpu/drm-kms:35.
Declaration is '.. c:function:: const struct drm_format_info * drm_format_info (u32 format)'. [duplicate_declaration.c]
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/gpu/drm-kms:491: ./drivers/gpu/drm/drm_modeset_lock.c:377: WARNING: Duplicate C declaration, also defined at gpu/drm-kms:48.
Declaration is '.. c:function:: int drm_modeset_lock (struct drm_modeset_lock *lock, struct drm_modeset_acquire_ctx *ctx)'. [duplicate_declaration.c]
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/gpu/drm-uapi:607: ./drivers/gpu/drm/drm_ioctl.c:923: WARNING: Duplicate C declaration, also defined at gpu/drm-uapi:69.
Declaration is '.. c:function:: bool drm_ioctl_flags (unsigned int nr, unsigned int *flags)'. [duplicate_declaration.c]
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/networking/netlink_spec/index.rst: WARNING: document isn't included in any toctree [toc.not_included]
Using alabaster theme
WARNING: ./include/crypto/skcipher.h:166 struct member 'SKCIPHER_ALG_COMMON' not described in 'skcipher_alg'
WARNING: ./include/linux/usb/typec_altmode.h:44 struct member 'priority' not described in 'typec_altmode'
WARNING: ./include/linux/usb/typec_altmode.h:44 struct member 'mode_selection' not described in 'typec_altmode'
WARNING: ./include/linux/virtio.h:188 struct member 'map' not described in 'virtio_device'
WARNING: ./include/linux/virtio.h:188 struct member 'VIRTIO_DECLARE_FEATURES(features' not described in 'virtio_device'
WARNING: ./include/linux/virtio.h:188 struct member 'vmap' not described in 'virtio_device'
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/driver-api/basics:42: ./kernel/time/time.c:370: WARNING: Duplicate C declaration, also defined at driver-api/basics:440.
Declaration is '.. c:function:: unsigned int jiffies_to_msecs (const unsigned long j)'. [duplicate_declaration.c]
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/driver-api/basics:42: ./kernel/time/time.c:393: WARNING: Duplicate C declaration, also defined at driver-api/basics:457.
Declaration is '.. c:function:: unsigned int jiffies_to_usecs (const unsigned long j)'. [duplicate_declaration.c]
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/core-api/kref:328: ./include/linux/kref.h:72: WARNING: Invalid C declaration: Expected end of definition. [error at 96]
  int kref_put_mutex (struct kref *kref, void (*release)(struct kref *kref), struct mutex *mutex) __cond_acquires(true# mutex)
  ------------------------------------------------------------------------------------------------^
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/core-api/kref:328: ./include/linux/kref.h:94: WARNING: Invalid C declaration: Expected end of definition. [error at 92]
  int kref_put_lock (struct kref *kref, void (*release)(struct kref *kref), spinlock_t *lock) __cond_acquires(true# lock)
  --------------------------------------------------------------------------------------------^
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/gpu/drm-kms:360: ./drivers/gpu/drm/drm_fourcc.c:397: WARNING: Duplicate C declaration, also defined at gpu/drm-kms:35.
Declaration is '.. c:function:: const struct drm_format_info * drm_format_info (u32 format)'. [duplicate_declaration.c]
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/gpu/drm-kms:491: ./drivers/gpu/drm/drm_modeset_lock.c:377: WARNING: Duplicate C declaration, also defined at gpu/drm-kms:48.
Declaration is '.. c:function:: int drm_modeset_lock (struct drm_modeset_lock *lock, struct drm_modeset_acquire_ctx *ctx)'. [duplicate_declaration.c]
/srv/nipa-builds-contest/testing/wt-doc-build/Documentation/gpu/drm-uapi:607: ./drivers/gpu/drm/drm_ioctl.c:923: WARNING: Duplicate C declaration, also defined at gpu/drm-uapi:69.
Declaration is '.. c:function:: bool drm_ioctl_flags (unsigned int nr, unsigned int *flags)'. [duplicate_declaration.c]

Sphinx parallel build error!

Versions
========

* Platform:         linux; (Linux-6.18.9-200.fc43.x86_64-x86_64-with-glibc2.42)
* Python version:   3.14.3 (CPython)
* Sphinx version:   8.2.3
* Docutils version: 0.21.2
* Jinja2 version:   3.1.6
* Pygments version: 2.19.1

Last Messages
=============


    reading sources... [ 90%]
    userspace-api/media/dvb/frontend_legacy_dvbv3_api .. userspace-api/media/mediactl/media-controller

    reading sources... [ 90%]
    userspace-api/media/mediactl/media-controller-intro .. userspace-api/media/mediactl/request-func-poll

    reading sources... [ 91%]
    userspace-api/media/rc/keytable.c .. userspace-api/media/rc/lirc-write

Loaded Extensions
=================

* sphinx.ext.mathjax (8.2.3)
* alabaster (0.7.16)
* sphinxcontrib.devhelp (2.0.0)
* sphinxcontrib.htmlhelp (2.1.0)
* sphinxcontrib.serializinghtml (2.0.0)
* sphinxcontrib.qthelp (2.0.0)
* automarkup (unknown version)
* kernel_abi (1.0)
* kerneldoc (1.0)
* kernel_feat (1.0)
* kernel_include (1.0)
* kfigure (1.0.0)
* maintainers_include (1.0)
* parser_yaml (1.0)
* rstFlatTable (1.0)
* sphinx.ext.autodoc.preserve_defaults (8.2.3)
* sphinx.ext.autodoc.type_comment (8.2.3)
* sphinx.ext.autodoc.typehints (8.2.3)
* sphinx.ext.autodoc (8.2.3)
* sphinx.ext.autosectionlabel (8.2.3)
* sphinx.ext.ifconfig (8.2.3)
* translations (unknown version)

Traceback
=========

      File "/usr/lib/python3.14/site-packages/sphinx/util/parallel.py", line 137, in _join_one
        raise SphinxParallelError(*result)
    sphinx.errors.SphinxParallelError: docutils.utils.SystemMessage: /srv/nipa-builds-contest/testing/wt-doc-build/Documentation/networking/device_drivers/ethernet/nebula-matrix/nbl.rst:3: (SEVERE/4) Title overline & underline mismatch.
    
    =====================================================
    Linux Base Driver for Nebula-matrix M18000-NIC family
    ======================================================


The full traceback has been saved in:
/tmp/sphinx-err-jxb8v_on.log

To report this error to the developers, please open an issue at <https://github.com/sphinx-doc/sphinx/issues/>. Thanks!
Please also report this if it was a user error, so that a better error message can be provided next time.
Build failed: return code: 2
make[2]: *** [Documentation/Makefile:58: htmldocs] Error 1
make[1]: *** [/srv/nipa-builds-contest/testing/wt-doc-build/Makefile:1887: htmldocs] Error 2
make: *** [Makefile:248: __sub-make] Error 2