Swift Package IndexBuild Information
Failed to build swift-utilities, reference main (79aa88), with Swift 6.3 for Wasm on 21 Apr 2026 16:28:49 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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.
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Checkout
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Clone URL: https://github.com/danthorpe/swift-utilities.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/danthorpe/swift-utilities
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 79aa888 bot: bump github.com/pointfreeco/xctest-dynamic-overlay from 1.5.1 to 1.5.2 (#63)
Cloned https://github.com/danthorpe/swift-utilities.git
Revision (git rev-parse @):
79aa8887a2549c0dfea61952c2b69a0438c38279
SUCCESS checkout https://github.com/danthorpe/swift-utilities.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/danthorpe/swift-utilities.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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/pointfreeco/swift-concurrency-extras
Fetching https://github.com/pointfreeco/swift-dependencies
Fetching https://github.com/pointfreeco/swift-custom-dump
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Computing version for https://github.com/pointfreeco/swift-concurrency-extras
Computed https://github.com/pointfreeco/swift-concurrency-extras at 1.3.2 (4.48s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.6 (2.79s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
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Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.28s)
Computing version for http://github.com/pointfreeco/xctest-dynamic-overlay
Computed http://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (0.47s)
Computing version for https://github.com/apple/swift-async-algorithms
Computed https://github.com/apple/swift-async-algorithms at 1.1.3 (1.42s)
Computing version for https://github.com/pointfreeco/swift-dependencies
Computed https://github.com/pointfreeco/swift-dependencies at 1.12.0 (0.51s)
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Computed https://github.com/pointfreeco/combine-schedulers at 1.2.0 (0.50s)
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Computing version for https://github.com/OpenCombine/OpenCombine.git
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Computed https://github.com/apple/swift-collections at 1.4.1 (1.14s)
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Computed https://github.com/apple/swift-argument-parser at 1.7.1 (0.91s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.5.0 (0.81s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.0 (1.31s)
Creating working copy for https://github.com/apple/swift-async-algorithms
Working copy of https://github.com/apple/swift-async-algorithms resolved at 1.1.3
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
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Working copy of https://github.com/apple/swift-collections resolved at 1.4.1
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Creating working copy for https://github.com/pointfreeco/combine-schedulers
Working copy of https://github.com/pointfreeco/combine-schedulers resolved at 1.2.0
Creating working copy for https://github.com/pointfreeco/swift-clocks
Working copy of https://github.com/pointfreeco/swift-clocks resolved at 1.0.6
Creating working copy for https://github.com/pointfreeco/swift-dependencies
Working copy of https://github.com/pointfreeco/swift-dependencies resolved at 1.12.0
Creating working copy for https://github.com/pointfreeco/swift-concurrency-extras
Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.3.2
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Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.0
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Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.5.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.6
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 (0.43s)
warning: 'spi-builder-workspace': dependency 'swift-concurrency-extras' is not used by any target
[1/1] Compiling plugin Swift-DocC Preview
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Building for debugging...
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[143/242] Compiling Protected Protected.swift
/host/spi-builder-workspace/Sources/Protected/Protected.swift:68:5: error: cannot find 'pthread_mutexattr_init' in scope
66 | init() {
67 | var attr: pthread_mutexattr_t = pthread_mutexattr_t()
68 | pthread_mutexattr_init(&attr)
| `- error: cannot find 'pthread_mutexattr_init' in scope
69 | #if DEBUG
70 | pthread_mutexattr_settype(&attr, Int32(PTHREAD_MUTEX_RECURSIVE))
/host/spi-builder-workspace/Sources/Protected/Protected.swift:70:5: error: cannot find 'pthread_mutexattr_settype' in scope
68 | pthread_mutexattr_init(&attr)
69 | #if DEBUG
70 | pthread_mutexattr_settype(&attr, Int32(PTHREAD_MUTEX_RECURSIVE))
| `- error: cannot find 'pthread_mutexattr_settype' in scope
71 | #endif
72 |
/host/spi-builder-workspace/Sources/Protected/Protected.swift:70:44: error: cannot find 'PTHREAD_MUTEX_RECURSIVE' in scope
68 | pthread_mutexattr_init(&attr)
69 | #if DEBUG
70 | pthread_mutexattr_settype(&attr, Int32(PTHREAD_MUTEX_RECURSIVE))
| `- error: cannot find 'PTHREAD_MUTEX_RECURSIVE' in scope
71 | #endif
72 |
/host/spi-builder-workspace/Sources/Protected/Protected.swift:73:15: error: cannot find 'pthread_mutex_init' in scope
71 | #endif
72 |
73 | let err = pthread_mutex_init(self.mutex, &attr)
| `- error: cannot find 'pthread_mutex_init' in scope
74 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
75 | }
/host/spi-builder-workspace/Sources/Protected/Protected.swift:78:15: error: cannot find 'pthread_mutex_destroy' in scope
76 |
77 | deinit {
78 | let err = pthread_mutex_destroy(self.mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
79 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
80 | mutex.deallocate()
/host/spi-builder-workspace/Sources/Protected/Protected.swift:84:15: error: cannot find 'pthread_mutex_lock' in scope
82 |
83 | fileprivate func lock() {
84 | let err = pthread_mutex_lock(self.mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
85 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
86 | }
/host/spi-builder-workspace/Sources/Protected/Protected.swift:89:15: error: cannot find 'pthread_mutex_unlock' in scope
87 |
88 | fileprivate func unlock() {
89 | let err = pthread_mutex_unlock(self.mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
90 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
91 | }
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[160/242] Emitting module DependenciesMacrosPlugin
BUILD FAILURE 6.3 wasm