Build Information
Failed to build Thales, reference main (da2864), with Swift 6.1 for Wasm on 24 Jun 2026 23:13:46 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4071e0796c748d991a0123890d2f0ecadc8fcc8c
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ChrisGVE/thales.git
Reference: main
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/ChrisGVE/thales
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at da28642 chore: bump version to 0.4.3 for Apache 2.0 license publish
Cloned https://github.com/ChrisGVE/thales.git
Revision (git rev-parse @):
da28642467c19af3c41a8a3d13ab52c6b070c164
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ChrisGVE/thales.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/ChrisGVE/thales.git
https://github.com/ChrisGVE/thales.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:87277f180438764e0763769462b4e00642129a1e8364b1cdaa91f88fde66785b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Building for debugging...
[0/3] Write sources
[1/3] Compiling ThalesBridge shim.c
[1/3] Write swift-version-24593BA9C3E375BF.txt
[4/7] Compiling Thales thales.swift
[5/7] Compiling Thales ThalesWrapper.swift
error: compile command failed due to signal 6 (use -v to see invocation)
[6/7] Emitting module Thales
<unknown>:0: error: fatal error encountered during compilation; please submit a bug report (https://swift.org/contributing/#reporting-bugs)
<unknown>:0: note: Functions with 'no-prototype' attribute must take varargs: __swift_bridge__$Vec_u8$new
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0. Program arguments: /usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/swift/Sources/Thales/SwiftBridgeCore.swift /host/spi-builder-workspace/swift/Sources/Thales/ThalesWrapper.swift /host/spi-builder-workspace/swift/Sources/Thales/thales.swift -emit-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Thales.build/SwiftBridgeCore.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Thales.build/SwiftBridgeCore.swiftdeps -target wasm32-unknown-wasi -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk -I /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Modules -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/ModuleCache -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -stats-output-dir .stats -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -strict-concurrency=complete -empty-abi-descriptor -resource-dir /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host/spi-builder-workspace -Xcc -fmodule-map-file=/host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/ThalesBridge.build/module.modulemap -Xcc -I -Xcc /host/spi-builder-workspace/swift/Sources/ThalesBridge/include -Xcc --sysroot -Xcc /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk -Xcc -g -module-name Thales -package-name spi_builder_workspace -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Thales.build/SwiftBridgeCore.swift.o -index-store-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/index/store -index-system-modules
1. Swift version 6.1.3 (swift-6.1.3-RELEASE)
2. Compiling with effective version 5.10
3. Running pass 'Add prototypes to prototypes-less functions' on module '/host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Thales.build/SwiftBridgeCore.swift.o'.
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0 swift-frontend 0x0000606b2aedfc08
1 swift-frontend 0x0000606b2aedd9ee
2 swift-frontend 0x0000606b2aee02a8
3 libc.so.6 0x00007f08cce89520
4 libc.so.6 0x00007f08ccedd9fc pthread_kill + 300
5 libc.so.6 0x00007f08cce89476 raise + 22
6 libc.so.6 0x00007f08cce6f7f3 abort + 211
7 swift-frontend 0x0000606b24f3e45e
8 swift-frontend 0x0000606b2ae3f549
9 swift-frontend 0x0000606b2744130c
10 swift-frontend 0x0000606b2ad01f45
11 swift-frontend 0x0000606b2507d296
12 swift-frontend 0x0000606b2507cad4
13 swift-frontend 0x0000606b24ca7142
14 swift-frontend 0x0000606b24ca2c88
15 swift-frontend 0x0000606b24ca1997
16 swift-frontend 0x0000606b24ca42ba
17 swift-frontend 0x0000606b24ca3713
18 swift-frontend 0x0000606b24a8086a
19 libc.so.6 0x00007f08cce70d90
20 libc.so.6 0x00007f08cce70e40 __libc_start_main + 128
21 swift-frontend 0x0000606b24a7fcc5
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:87277f180438764e0763769462b4e00642129a1e8364b1cdaa91f88fde66785b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/5] Emitting module Thales
[3/5] Compiling Thales thales.swift
[4/5] Compiling Thales ThalesWrapper.swift
error: compile command failed due to signal 6 (use -v to see invocation)
<unknown>:0: error: fatal error encountered during compilation; please submit a bug report (https://swift.org/contributing/#reporting-bugs)
<unknown>:0: note: Functions with 'no-prototype' attribute must take varargs: __swift_bridge__$Vec_u8$new
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0. Program arguments: /usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/swift/Sources/Thales/SwiftBridgeCore.swift /host/spi-builder-workspace/swift/Sources/Thales/ThalesWrapper.swift /host/spi-builder-workspace/swift/Sources/Thales/thales.swift -emit-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Thales.build/SwiftBridgeCore.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Thales.build/SwiftBridgeCore.swiftdeps -target wasm32-unknown-wasi -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk -I /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Modules -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/ModuleCache -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -empty-abi-descriptor -resource-dir /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host/spi-builder-workspace -Xcc -fmodule-map-file=/host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/ThalesBridge.build/module.modulemap -Xcc -I -Xcc /host/spi-builder-workspace/swift/Sources/ThalesBridge/include -Xcc --sysroot -Xcc /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk -Xcc -g -module-name Thales -package-name spi_builder_workspace -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Thales.build/SwiftBridgeCore.swift.o -index-store-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/index/store -index-system-modules
1. Swift version 6.1.3 (swift-6.1.3-RELEASE)
2. Compiling with effective version 5.10
3. Running pass 'Add prototypes to prototypes-less functions' on module '/host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Thales.build/SwiftBridgeCore.swift.o'.
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0 swift-frontend 0x00005d87b85fdc08
1 swift-frontend 0x00005d87b85fb9ee
2 swift-frontend 0x00005d87b85fe2a8
3 libc.so.6 0x00007a07c6313520
4 libc.so.6 0x00007a07c63679fc pthread_kill + 300
5 libc.so.6 0x00007a07c6313476 raise + 22
6 libc.so.6 0x00007a07c62f97f3 abort + 211
7 swift-frontend 0x00005d87b265c45e
8 swift-frontend 0x00005d87b855d549
9 swift-frontend 0x00005d87b4b5f30c
10 swift-frontend 0x00005d87b841ff45
11 swift-frontend 0x00005d87b279b296
12 swift-frontend 0x00005d87b279aad4
13 swift-frontend 0x00005d87b23c5142
14 swift-frontend 0x00005d87b23c0c88
15 swift-frontend 0x00005d87b23bf997
16 swift-frontend 0x00005d87b23c22ba
17 swift-frontend 0x00005d87b23c1713
18 swift-frontend 0x00005d87b219e86a
19 libc.so.6 0x00007a07c62fad90
20 libc.so.6 0x00007a07c62fae40 __libc_start_main + 128
21 swift-frontend 0x00005d87b219dcc5
BUILD FAILURE 6.1 wasm