Swift Package IndexBuild Information
Failed to build MathLex, reference main (cf4633), with Swift 6.1 for Wasm on 26 Jun 2026 11:06:49 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/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
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RunAll
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Builder version: 0e64495ecc1688c3b3e031a5ef1348b5c05091ae
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ChrisGVE/mathlex.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/mathlex
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at cf4633d chore: bump version to 0.4.2 for Apache 2.0 license publish
Cloned https://github.com/ChrisGVE/mathlex.git
Revision (git rev-parse @):
cf4633dd5eac0b47dccfcb6a226005b3f088f7fa
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ChrisGVE/mathlex.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/ChrisGVE/mathlex.git
https://github.com/ChrisGVE/mathlex.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/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 saguaro1/spi-images
Digest: sha256:1ad245dad3d2ae0004e1afbc92334bd39884ed9ca587cf04d0a8d5f640fb02e9
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
Building for debugging...
[0/4] Write sources
[2/4] Compiling MathLexBridge bridge.c
[2/4] Write swift-version-24593BA9C3E375BF.txt
error: compile command failed due to signal 6 (use -v to see invocation)
[5/7] Emitting module MathLexRust
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:24:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
22 | }
23 | }
24 | extension RustStr: Identifiable {
| |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
| `- note: add '@retroactive' to silence this warning
25 | public var id: String {
26 | self.toString()
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:29:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
27 | }
28 | }
29 | extension RustStr: Equatable {
| |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
| `- note: add '@retroactive' to silence this warning
30 | public static func == (lhs: RustStr, rhs: RustStr) -> Bool {
31 | return __swift_bridge__$RustStr$partial_eq(lhs, rhs)
[6/7] Compiling MathLexRust mathlex.swift
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:24:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
22 | }
23 | }
24 | extension RustStr: Identifiable {
| |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
| `- note: add '@retroactive' to silence this warning
25 | public var id: String {
26 | self.toString()
<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/Sources/MathLexRust/SwiftBridgeCore.swift /host/spi-builder-workspace/Sources/MathLexRust/mathlex.swift -emit-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/MathLexRust.build/SwiftBridgeCore.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/MathLexRust.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/Sources/MathLexBridge/include/module.modulemap -Xcc -I -Xcc /host/spi-builder-workspace/Sources/MathLexBridge/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 MathLexRust -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/MathLexRust.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/MathLexRust.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 0x00005efc36694c08
1 swift-frontend 0x00005efc366929ee
2 swift-frontend 0x00005efc366952a8
3 libc.so.6 0x000076fadbab5520
4 libc.so.6 0x000076fadbb099fc pthread_kill + 300
5 libc.so.6 0x000076fadbab5476 raise + 22
6 libc.so.6 0x000076fadba9b7f3 abort + 211
7 swift-frontend 0x00005efc306f345e
8 swift-frontend 0x00005efc365f4549
9 swift-frontend 0x00005efc32bf630c
10 swift-frontend 0x00005efc364b6f45
11 swift-frontend 0x00005efc30832296
12 swift-frontend 0x00005efc30831ad4
13 swift-frontend 0x00005efc3045c142
14 swift-frontend 0x00005efc30457c88
15 swift-frontend 0x00005efc30456997
16 swift-frontend 0x00005efc304592ba
17 swift-frontend 0x00005efc30458713
18 swift-frontend 0x00005efc3023586a
19 libc.so.6 0x000076fadba9cd90
20 libc.so.6 0x000076fadba9ce40 __libc_start_main + 128
21 swift-frontend 0x00005efc30234cc5
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:1ad245dad3d2ae0004e1afbc92334bd39884ed9ca587cf04d0a8d5f640fb02e9
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/4] Compiling MathLexRust mathlex.swift
[3/4] Emitting module MathLexRust
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:24:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
22 | }
23 | }
24 | extension RustStr: Identifiable {
| |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
| `- note: add '@retroactive' to silence this warning
25 | public var id: String {
26 | self.toString()
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:29:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
27 | }
28 | }
29 | extension RustStr: Equatable {
| |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
| `- note: add '@retroactive' to silence this warning
30 | public static func == (lhs: RustStr, rhs: RustStr) -> Bool {
31 | return __swift_bridge__$RustStr$partial_eq(lhs, rhs)
error: compile command failed due to signal 6 (use -v to see invocation)
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:24:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
22 | }
23 | }
24 | extension RustStr: Identifiable {
| |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
| `- note: add '@retroactive' to silence this warning
25 | public var id: String {
26 | self.toString()
<unknown>:0: error: fatal error encountered during compilation; please submit a bug report (https://swift.org/contributing/#reporting-bugs)
<unknown>:0: note: Functions with 'no-prototype' attribute must take varargs: __swift_bridge__$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/Sources/MathLexRust/SwiftBridgeCore.swift /host/spi-builder-workspace/Sources/MathLexRust/mathlex.swift -emit-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/MathLexRust.build/SwiftBridgeCore.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/MathLexRust.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/Sources/MathLexBridge/include/module.modulemap -Xcc -I -Xcc /host/spi-builder-workspace/Sources/MathLexBridge/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 MathLexRust -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/MathLexRust.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/MathLexRust.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 0x00005699fba73c08
1 swift-frontend 0x00005699fba719ee
2 swift-frontend 0x00005699fba742a8
3 libc.so.6 0x00007d78bec9a520
4 libc.so.6 0x00007d78becee9fc pthread_kill + 300
5 libc.so.6 0x00007d78bec9a476 raise + 22
6 libc.so.6 0x00007d78bec807f3 abort + 211
7 swift-frontend 0x00005699f5ad245e
8 swift-frontend 0x00005699fb9d3549
9 swift-frontend 0x00005699f7fd530c
10 swift-frontend 0x00005699fb895f45
11 swift-frontend 0x00005699f5c11296
12 swift-frontend 0x00005699f5c10ad4
13 swift-frontend 0x00005699f583b142
14 swift-frontend 0x00005699f5836c88
15 swift-frontend 0x00005699f5835997
16 swift-frontend 0x00005699f58382ba
17 swift-frontend 0x00005699f5837713
18 swift-frontend 0x00005699f561486a
19 libc.so.6 0x00007d78bec81d90
20 libc.so.6 0x00007d78bec81e40 __libc_start_main + 128
21 swift-frontend 0x00005699f5613cc5
BUILD FAILURE 6.1 wasm