Build Information
Failed to build SwiftVLC, reference v1.1.0-beta.14 (6e8ad1), with Swift 6.3 for Wasm on 28 Sep 2026 14:21:00 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/harflabs/SwiftVLC.git
Reference: v1.1.0-beta.14
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/harflabs/SwiftVLC
* tag v1.1.0-beta.14 -> FETCH_HEAD
HEAD is now at 6e8ad13 Release v1.1.0-beta.14
Cloned https://github.com/harflabs/SwiftVLC.git
Revision (git rev-parse @):
6e8ad130a40730cb0d3b8ddc96e19b4be02c341b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/harflabs/SwiftVLC.git at v1.1.0-beta.14
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/harflabs/SwiftVLC.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from saguaro1/spi-images
Digest: sha256:253aad7f5b11d25cf9eaef34120b94cd8a325782929c57fb304a7711494a3f9a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest
Fetching https://github.com/swiftlang/swift-docc-plugin
Fetching https://github.com/pointfreeco/swift-custom-dump
[1/2345] Fetching swift-docc-plugin
[236/8011] Fetching swift-docc-plugin, swift-custom-dump
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (0.59s)
Fetched https://github.com/swiftlang/swift-docc-plugin from cache (0.59s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (1.51s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3832] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.62s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.84s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (0.17s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/2727] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.75s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.13.1 (1.69s)
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.13.1
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Downloading binary artifact https://github.com/harflabs/SwiftVLC/releases/download/v1.1.0-beta.14/libvlc.xcframework.zip
[16375/382302227] Downloading https://github.com/harflabs/SwiftVLC/releases/download/v1.1.0-beta.14/libvlc.xcframework.zip
Downloaded https://github.com/harflabs/SwiftVLC/releases/download/v1.1.0-beta.14/libvlc.xcframework.zip (27.51s)
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/5] Write sources
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:13:16: error: static assertion failed due to requirement 'sizeof(struct libvlc_event_t) == 40': vendored libvlc event ABI changed
13 | _Static_assert(sizeof(libvlc_event_t) == 40,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:13:39: note: expression evaluates to '32 == 40'
13 | _Static_assert(sizeof(libvlc_event_t) == 40,
| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:15:16: error: static assertion failed due to requirement '__builtin_offsetof(struct libvlc_event_t, u) == 16': vendored libvlc event union offset changed
15 | _Static_assert(offsetof(libvlc_event_t, u) == 16,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/clang/21/include/__stddef_offsetof.h:16:24: note: expanded from macro 'offsetof'
16 | #define offsetof(t, d) __builtin_offsetof(t, d)
| ^
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:15:44: note: expression evaluates to '8 == 16'
15 | _Static_assert(offsetof(libvlc_event_t, u) == 16,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:20:16: error: static assertion failed due to requirement '__builtin_offsetof(struct libvlc_event_t, u.media_player_frame_step_completed.request_id) == 16': vendored strict request-id offset changed
20 | _Static_assert(offsetof(libvlc_event_t,
| ^~~~~~~~~~~~~~~~~~~~~~~~
21 | u.media_player_frame_step_completed.request_id) == 16,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/clang/21/include/__stddef_offsetof.h:16:24: note: expanded from macro 'offsetof'
16 | #define offsetof(t, d) __builtin_offsetof(t, d)
| ^
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:21:53: note: expression evaluates to '8 == 16'
20 | _Static_assert(offsetof(libvlc_event_t,
| ~~~~~~~~~~~~~~~~~~~~~~~~
21 | u.media_player_frame_step_completed.request_id) == 16,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:23:16: error: static assertion failed due to requirement '__builtin_offsetof(struct libvlc_event_t, u.media_player_frame_step_completed.time_us) == 24': vendored strict time offset changed
23 | _Static_assert(offsetof(libvlc_event_t,
| ^~~~~~~~~~~~~~~~~~~~~~~~
24 | u.media_player_frame_step_completed.time_us) == 24,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/clang/21/include/__stddef_offsetof.h:16:24: note: expanded from macro 'offsetof'
16 | #define offsetof(t, d) __builtin_offsetof(t, d)
| ^
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:24:50: note: expression evaluates to '16 == 24'
23 | _Static_assert(offsetof(libvlc_event_t,
| ~~~~~~~~~~~~~~~~~~~~~~~~
24 | u.media_player_frame_step_completed.time_us) == 24,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:26:16: error: static assertion failed due to requirement '__builtin_offsetof(struct libvlc_event_t, u.media_player_frame_step_completed.status) == 32': vendored strict status offset changed
26 | _Static_assert(offsetof(libvlc_event_t,
| ^~~~~~~~~~~~~~~~~~~~~~~~
27 | u.media_player_frame_step_completed.status) == 32,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/clang/21/include/__stddef_offsetof.h:16:24: note: expanded from macro 'offsetof'
16 | #define offsetof(t, d) __builtin_offsetof(t, d)
| ^
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:27:49: note: expression evaluates to '24 == 32'
26 | _Static_assert(offsetof(libvlc_event_t,
| ~~~~~~~~~~~~~~~~~~~~~~~~
27 | u.media_player_frame_step_completed.status) == 32,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:29:16: error: static assertion failed due to requirement '__builtin_offsetof(struct libvlc_event_t, u.media_player_frame_step_completed.position) == 36': vendored strict position offset changed
29 | _Static_assert(offsetof(libvlc_event_t,
| ^~~~~~~~~~~~~~~~~~~~~~~~
30 | u.media_player_frame_step_completed.position) == 36,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/clang/21/include/__stddef_offsetof.h:16:24: note: expanded from macro 'offsetof'
16 | #define offsetof(t, d) __builtin_offsetof(t, d)
| ^
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:30:51: note: expression evaluates to '28 == 36'
29 | _Static_assert(offsetof(libvlc_event_t,
| ~~~~~~~~~~~~~~~~~~~~~~~~
30 | u.media_player_frame_step_completed.position) == 36,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:35:16: error: static assertion failed due to requirement '__builtin_offsetof(struct libvlc_event_t, u.media_player_rate_changed.new_rate) == 16': vendored effective rate offset changed
35 | _Static_assert(offsetof(libvlc_event_t,
| ^~~~~~~~~~~~~~~~~~~~~~~~
36 | u.media_player_rate_changed.new_rate) == 16,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/clang/21/include/__stddef_offsetof.h:16:24: note: expanded from macro 'offsetof'
16 | #define offsetof(t, d) __builtin_offsetof(t, d)
| ^
/host/spi-builder-workspace/Sources/CLibVLC/shim.c:36:43: note: expression evaluates to '8 == 16'
35 | _Static_assert(offsetof(libvlc_event_t,
| ~~~~~~~~~~~~~~~~~~~~~~~~
36 | u.media_player_rate_changed.new_rate) == 16,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
7 errors generated.
[3/5] Compiling CLibVLC shim.c
[3/5] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm