Swift Package Index

Build Information

Failed to build SpeziScheduler, reference main (553c6d), with Swift 6.4 for Wasm on 24 Sep 2026 20:07:39 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-2":/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-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/StanfordSpezi/SpeziScheduler.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/StanfordSpezi/SpeziScheduler
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 553c6d5 fixes; task version history mutation APIs (#91)
Cloned https://github.com/StanfordSpezi/SpeziScheduler.git
Revision (git rev-parse @):
553c6d5d0143772d75bf29a544586fba9bb3e439
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/StanfordSpezi/SpeziScheduler.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/StanfordSpezi/SpeziScheduler.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
Fetching https://github.com/apple/swift-algorithms.git
Fetching https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Fetching https://github.com/StanfordSpezi/Spezi.git
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Fetched https://github.com/StanfordSpezi/Spezi.git (0.77s)
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Fetched https://github.com/swiftlang/swift-syntax.git (4.73s)
Computing version for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Computed https://github.com/StanfordBDHG/XCTRuntimeAssertions.git at 2.2.0 (4.97s)
Computing version for https://github.com/StanfordSpezi/Spezi.git
Computed https://github.com/StanfordSpezi/Spezi.git at 1.10.2 (0.23s)
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[1/27702] Fetching swift-collections
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Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (2.35s)
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Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.19.6 (0.94s)
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Fetched https://github.com/pointfreeco/swift-custom-dump (1.80s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 604.0.0 (2.11s)
Computing version for https://github.com/StanfordSpezi/SpeziFoundation.git
Computed https://github.com/StanfordSpezi/SpeziFoundation.git at 2.7.7 (0.30s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-log
Fetching https://github.com/StanfordBDHG/ThreadLocal.git
Fetching https://github.com/StanfordBDHG/zstd.git
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Fetched https://github.com/apple/swift-atomics.git (0.58s)
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Fetched https://github.com/StanfordBDHG/ThreadLocal.git (1.01s)
Fetched https://github.com/apple/swift-log (1.01s)
[26526/63157] Fetching zstd
Fetched https://github.com/StanfordBDHG/zstd.git (2.31s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (2.48s)
Computing version for https://github.com/StanfordBDHG/ThreadLocal.git
Computed https://github.com/StanfordBDHG/XCTRuntimeAssertions.git at 2.2.0 (0.00s)
Computed https://github.com/StanfordSpezi/Spezi.git at 1.10.2 (0.00s)
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (0.00s)
Computed https://github.com/swiftlang/swift-syntax.git at 603.0.2 (0.31s)
Computed https://github.com/StanfordBDHG/ThreadLocal.git at 0.1.3 (0.00s)
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.19.6 (0.00s)
Computed https://github.com/StanfordSpezi/SpeziFoundation.git at 2.7.7 (0.00s)
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.00s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.15s)
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Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (0.17s)
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[1/6161] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (0.79s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.1 (1.03s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.0 (0.29s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.15.1 (0.20s)
Computing version for https://github.com/StanfordBDHG/zstd.git
Computed https://github.com/StanfordBDHG/zstd.git at 1.5.8-beta.1 (0.19s)
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/StanfordSpezi/Spezi.git
Working copy of https://github.com/StanfordSpezi/Spezi.git resolved at 1.10.2
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.1
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/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.19.6
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 603.0.2
Creating working copy for https://github.com/StanfordSpezi/SpeziFoundation.git
Working copy of https://github.com/StanfordSpezi/SpeziFoundation.git resolved at 2.7.7
Creating working copy for https://github.com/StanfordBDHG/ThreadLocal.git
Working copy of https://github.com/StanfordBDHG/ThreadLocal.git resolved at 0.1.3
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.0
Creating working copy for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Working copy of https://github.com/StanfordBDHG/XCTRuntimeAssertions.git resolved at 2.2.0
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.15.1
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/StanfordBDHG/zstd.git
Working copy of https://github.com/StanfordBDHG/zstd.git resolved at 1.5.8-beta.1
warning: 'spi-builder-workspace': dependency 'swift-syntax' is not used by any target
warning: 'spi-builder-workspace': dependency 'swift-snapshot-testing' is not used by any target
warning: 'spi-builder-workspace': dependency 'swift-syntax' is not used by any target
warning: 'spi-builder-workspace': dependency 'swift-snapshot-testing' is not used by any target
Building for debugging...
[Computing dependencies]
[Constructing description]
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[Planning 591 / 1099]
[Planning 994 / 1099]
[Planning deferred tasks]
[Constructing 948 / 2398]
[Starting]
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/SpeziFoundation/Sources/SpeziFoundation/Resources/Localizable.xcstrings' of type 'text.json.xcstrings' for architecture 'wasm32'
[101 / 446] SwiftSyntax601
[199 / 446] libzstd
[200 / 446] libzstd
[203 / 446] libzstd
[207 / 446] libzstd
[213 / 446] libzstd
[216 / 446] libzstd
[219 / 446] libzstd
[222 / 446]
[231 / 454] SwiftSyntax602
[232 / 454] _AtomicsShims
[240 / 458] SwiftSyntax603
[261 / 460] SwiftSyntax601
[264 / 469] SwiftSyntax509
[279 / 487] RuntimeAssertions
[281 / 505] Logging
[282 / 505] RealModule
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/NeverReturn.swift:16:25: error: value of type 'RunLoop' has no member 'run'
14 |     // This is unfortunate but as far as I can see the only feasible way to return Never without calling a runtime crashing function, e.g. `fatalError()`.
15 |     repeat {
16 |         RunLoop.current.run()
   |                         `- error: value of type 'RunLoop' has no member 'run'
17 |     } while (true)
18 | }
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/Assert.swift /host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/Counter.swift /host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/DebugOnly.swift /host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/NeverReturn.swift /host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/Precondition.swift /host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/RuntimeAssertion.swift /host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/RuntimeAssertionInjection.swift /host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/RuntimePrecondition.swift -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -suppress-warnings -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -user-module-version 2.2.0 -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name RuntimeAssertions -package-name xctruntimeassertions -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/Objects-normal/wasm32/RuntimeAssertions_const_extract_protocols.json -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 -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/Objects-normal/wasm32/Modules/RuntimeAssertions.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/Objects-normal/wasm32/Modules/RuntimeAssertions.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/Objects-normal/wasm32/RuntimeAssertions-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/Objects-normal/wasm32/RuntimeAssertions-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/Objects-normal/wasm32/RuntimeAssertions-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/RuntimeAssertions.build/Debug-webassembly-wasm32/RuntimeAssertions-t.build/Objects-normal/wasm32/Modules/RuntimeAssertions.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm