Swift Package IndexBuild Information
Failed to build SpeziSensorKit, reference 0.6.3 (8addfd), with Swift 6.3 for Wasm on 19 Apr 2026 19:54:20 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/StanfordSpezi/SpeziSensorKit.git
Reference: 0.6.3
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/SpeziSensorKit
* tag 0.6.3 -> FETCH_HEAD
HEAD is now at 8addfd5 try to fix deadlock (#17)
Cloned https://github.com/StanfordSpezi/SpeziSensorKit.git
Revision (git rev-parse @):
8addfd5f8ca54d85409ad9c70391859d44df227b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/StanfordSpezi/SpeziSensorKit.git at 0.6.3
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/StanfordSpezi/SpeziSensorKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/StanfordSpezi/Spezi.git
Fetching https://github.com/StanfordSpezi/SpeziStorage.git
[1/1715] Fetching spezistorage
[1716/12061] Fetching spezistorage, spezi
Fetched https://github.com/StanfordSpezi/SpeziStorage.git from cache (0.35s)
[3622/10346] Fetching spezi
Fetching https://github.com/StanfordSpezi/SpeziFoundation.git
Fetched https://github.com/StanfordSpezi/Spezi.git from cache (0.76s)
[1/3026] Fetching spezifoundation
Fetched https://github.com/StanfordSpezi/SpeziFoundation.git from cache (0.49s)
Computing version for https://github.com/StanfordSpezi/SpeziStorage.git
Computed https://github.com/StanfordSpezi/SpeziStorage.git at 2.1.4 (2.18s)
Fetching https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
[1/735] Fetching xctruntimeassertions
Fetched https://github.com/StanfordBDHG/XCTRuntimeAssertions.git from cache (0.39s)
Computing version for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Computed https://github.com/StanfordBDHG/XCTRuntimeAssertions.git at 2.2.0 (1.21s)
Computing version for https://github.com/StanfordSpezi/Spezi.git
Computed https://github.com/StanfordSpezi/Spezi.git at 1.10.2 (0.98s)
Fetching https://github.com/apple/swift-collections.git
[1/23569] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (2.26s)
Computing version for https://github.com/StanfordSpezi/SpeziFoundation.git
Computed https://github.com/StanfordSpezi/SpeziFoundation.git at 2.7.6 (4.84s)
Fetching https://github.com/apple/swift-log
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/StanfordBDHG/ThreadLocal.git
Fetching https://github.com/apple/swift-algorithms.git
Fetching https://github.com/StanfordBDHG/zstd.git
[1/183] Fetching threadlocal
[184/2003] Fetching threadlocal, swift-atomics
[221/65160] Fetching threadlocal, swift-atomics, zstd
[1508/71218] Fetching threadlocal, swift-atomics, zstd, swift-algorithms
[4808/77853] Fetching threadlocal, swift-atomics, zstd, swift-algorithms, swift-log
Fetched https://github.com/apple/swift-log from cache (1.20s)
[20693/71218] Fetching threadlocal, swift-atomics, zstd, swift-algorithms
Fetched https://github.com/StanfordBDHG/ThreadLocal.git from cache (7.48s)
Fetched https://github.com/apple/swift-atomics.git from cache (7.49s)
Fetched https://github.com/apple/swift-algorithms.git from cache (7.49s)
Fetched https://github.com/StanfordBDHG/zstd.git from cache (7.58s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (11.47s)
Fetching https://github.com/apple/swift-numerics.git
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (0.77s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (1.42s)
Computing version for https://github.com/StanfordBDHG/ThreadLocal.git
Computed https://github.com/StanfordBDHG/ThreadLocal.git at 0.1.3 (0.69s)
Fetching https://github.com/swiftlang/swift-syntax.git
[1/74983] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git from cache (7.34s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 603.0.0 (9.87s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (1.09s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (1.07s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.12.0 (0.75s)
Computing version for https://github.com/StanfordBDHG/zstd.git
Computed https://github.com/StanfordBDHG/zstd.git at 1.5.8-beta.1 (1.59s)
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/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-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/ThreadLocal.git
Working copy of https://github.com/StanfordBDHG/ThreadLocal.git resolved at 0.1.3
Creating working copy for https://github.com/StanfordSpezi/SpeziStorage.git
Working copy of https://github.com/StanfordSpezi/SpeziStorage.git resolved at 2.1.4
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.12.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 603.0.0
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
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/StanfordSpezi/SpeziFoundation.git
Working copy of https://github.com/StanfordSpezi/SpeziFoundation.git resolved at 2.7.6
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz (0.46s)
Building for debugging...
[0/55] Write sources
[1/55] Compiling cover.c
[2/55] Compiling zstd_ddict.c
[3/55] Compiling huf_decompress_amd64.S
[4/55] Compiling zstd_decompress.c
[5/55] Compiling fastcover.c
[6/55] Compiling zstd_preSplit.c
[7/55] Compiling zdict.c
[8/55] Compiling divsufsort.c
[9/55] Compiling zstd_decompress_block.c
[10/55] Compiling zstd_ldm.c
[11/55] Compiling huf_decompress.c
[11/55] Compiling zstdmt_compress.c
[13/55] Compiling zstd_fast.c
[14/55] Compiling zstd_compress_literals.c
[15/55] Compiling zstd_compress_superblock.c
[16/55] Compiling zstd_opt.c
[17/55] Compiling zstd_compress_sequences.c
[18/55] Compiling hist.c
[19/55] Compiling zstd_common.c
[20/55] Compiling xxhash.c
[21/55] Compiling fse_compress.c
[22/55] Compiling threading.c
[23/55] Compiling zstd_double_fast.c
[24/55] Compiling error_private.c
[25/55] Compiling debug.c
[26/55] Compiling pool.c
[26/55] Compiling fse_decompress.c
[28/55] Compiling huf_compress.c
[29/55] Compiling _NumericsShims _NumericsShims.c
[30/55] Compiling _AtomicsShims.c
[31/55] Compiling entropy_common.c
[31/55] Copying Localizable.xcstrings.license
[31/55] Copying Localizable.xcstrings
[31/55] Copying Info.plist
[35/55] Compiling SpeziFoundationObjC ObjCExceptionHandling.m
[36/55] Compiling zstd_compress.c
[37/55] Write swift-version-24593BA9C3E375BF.txt
[38/55] Write sources
[52/120] Emitting module RealModule
[53/121] Emitting module InternalCollectionsUtilities
[53/123] Compiling zstd_lazy.c
[55/123] Emitting module Atomics
[56/125] Compiling Atomics IntegerOperations.swift
[57/125] Compiling Atomics Unmanaged extensions.swift
[58/125] Compiling RealModule Float80+Real.swift
[59/125] Compiling RealModule RealFunctions.swift
[60/125] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[61/125] Compiling InternalCollectionsUtilities UnsafeMutableRawBufferPointer+Extras.swift
[62/125] Compiling InternalCollectionsUtilities Debugging.swift
[63/125] Compiling InternalCollectionsUtilities Descriptions.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[64/125] Emitting module RuntimeAssertions
/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 | }
[65/126] Compiling InternalCollectionsUtilities LifetimeOverride.swift
[66/126] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[67/126] Compiling InternalCollectionsUtilities Span+Extras.swift
[70/126] Compiling RealModule Float16+Real.swift
[71/126] Compiling RealModule RelaxedArithmetic.swift
[72/126] Compiling Logging LogEvent.swift
[73/126] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[74/126] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[76/126] Compiling InternalCollectionsUtilities UnsafeRawBufferPointer+Extras.swift
[80/126] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[81/126] Compiling InternalCollectionsUtilities Integer rank.swift
[84/126] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[85/126] Compiling InternalCollectionsUtilities UInt+reversed.swift
[86/126] Compiling InternalCollectionsUtilities String+Padding.swift
[87/126] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[98/126] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[100/126] Compiling RealModule Real.swift
[110/131] Compiling Logging MetadataProvider.swift
[111/131] Emitting module Logging
[112/131] Compiling Logging Locks.swift
[113/131] Compiling Logging LogHandler.swift
[114/131] Compiling Logging Logging.swift
[116/132] Compiling RuntimeAssertions DebugOnly.swift
[117/132] Compiling RuntimeAssertions RuntimePrecondition.swift
/host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/RuntimePrecondition.swift:31:25: error: cannot find 'DispatchQueue' in scope
29 |
30 | // We have to run the operation on a `DispatchQueue` as we have to call `RunLoop.current.run()` in the `preconditionFailure` call.
31 | let dispatchQueue = DispatchQueue(label: "RuntimePrecondition-\(injection.id)")
| `- error: cannot find 'DispatchQueue' in scope
32 |
33 | let expressionWorkItem = DispatchWorkItem {
/host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/RuntimePrecondition.swift:33:30: error: cannot find 'DispatchWorkItem' in scope
31 | let dispatchQueue = DispatchQueue(label: "RuntimePrecondition-\(injection.id)")
32 |
33 | let expressionWorkItem = DispatchWorkItem {
| `- error: cannot find 'DispatchWorkItem' in scope
34 | injection.withInjection(expression)
35 | }
[118/132] Compiling RuntimeAssertions Assert.swift
[119/132] Compiling RuntimeAssertions Counter.swift
[120/132] Compiling RuntimeAssertions RuntimeAssertion.swift
[121/132] Compiling RuntimeAssertions NeverReturn.swift
/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 | }
[122/132] Compiling RuntimeAssertions Precondition.swift
[123/132] Compiling RuntimeAssertions RuntimeAssertionInjection.swift
error: cancelled
error: cancelled
error: cancelled
error: cancelled
error: cancelled
[124/182] Emitting module OrderedCollections
BUILD FAILURE 6.3 wasm