Build Information
Failed to build SwiftAnnouncements, reference 1.0.5 (43cdc1), with Swift 6.4 for Wasm on 19 Sep 2026 04:03:21 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/grype/SwiftAnnouncements.git
Reference: 1.0.5
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/grype/SwiftAnnouncements
* tag 1.0.5 -> FETCH_HEAD
HEAD is now at 43cdc1a Update dependencies
Cloned https://github.com/grype/SwiftAnnouncements.git
Revision (git rev-parse @):
43cdc1a88739a49ed662b4758b7000ad20c9f793
SUCCESS checkout https://github.com/grype/SwiftAnnouncements.git at 1.0.5
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/grype/SwiftAnnouncements.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-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/grype/RWLock-Swift
Fetching https://github.com/Quick/Nimble
[1/20] Fetching rwlock-swift
Fetched https://github.com/grype/RWLock-Swift (0.45s)
[1/19986] Fetching nimble
Fetched https://github.com/Quick/Nimble (1.05s)
Computing version for https://github.com/grype/RWLock-Swift
Computed https://github.com/grype/RWLock-Swift at 1.0.0 (1.23s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 9.2.1 (0.18s)
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
[1/1257] Fetching cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git (0.48s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.2.2 (0.65s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/460] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git (0.43s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.59s)
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/grype/RWLock-Swift
Working copy of https://github.com/grype/RWLock-Swift resolved at 1.0.0
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.2.2
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 9.2.1
Building for debugging...
[Pre-planning 1 / 96]
[26 / 41] RWLock
/host/spi-builder-workspace/Sources/SwiftAnnouncements/Subscription.swift:55:25: [1;33mwarning: [1;39mgeneric parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m14 |[0;0m I capture a type of announcement, an action block to perform in response to correlated announcement, and optionally a subscriber object. I am used by an `Announcer` to process announcements.
[0;36m15 |[0;0m */
[0;36m16 |[0;0m public class Subscription<T: Announceable> {
[0;36m|[0;0m `- [1;39mnote: [1;39m'T' previously declared here[0;0m
[0;36m17 |[0;0m
[0;36m18 |[0;0m public typealias Action = (T, Announcer)->Void
[0;36m:[0;0m
[0;36m53 |[0;0m }
[0;36m54 |[0;0m
[0;36m55 |[0;0m public func handles<T:Announceable>(_ anAnnouncement: T) -> Bool {
[0;36m|[0;0m `- [1;33mwarning: [1;39mgeneric parameter 'T' shadows generic parameter from outer scope with the same name;[38 / 48] SwiftAnnouncements
this is an error in the Swift 6 language mode[0;0m
[0;36m56 |[0;0m return type(of: anAnnouncement).handles(anAnnouncement)
[0;36m57 |[0;0m }
[43 / 48] RWLock
/host/spi-builder-workspace/Sources/SwiftAnnouncements/Subscription.swift:55:25: [1;33mwarning: [1;39mgeneric parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m14 |[0;0m I capture a type of announcement, an action block to perform in response to correlated announcement, and optionally a subscriber object. I am used by an `Announcer` to process announcements.
[0;36m15 |[0;0m */
[0;36m16 |[0;0m public class Subscription<T: Announceable> {
[0;36m|[0;0m `- [1;39mnote: [1;39m'T' previously declared here[0;0m
[0;36m17 |[0;0m
[0;36m18 |[0;0m public typealias Action = (T, Announcer)->Void
[0;36m:[0;0m
[0;36m53 |[0;0m }
[0;36m54 |[0;0m
[0;36m55 |[0;0m public func handles<T:Announceable>(_ anAnnouncement: T) -> Bool {
[0;36m|[0;0m `- [1;33mwarning: [1;39mgeneric parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m56 |[0;0m return type(of: anAnnouncement).handles(anAnnouncement)
[0;36m57 |[0;0m }
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLock.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile RWLock.swift
/host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLock.swift:19:15: [1;31merror: [1;39mcannot find 'pthread_rwlock_init' in scope[0;0m
[0;36m17 |[0;0m
[0;36m18 |[0;0m public init() {
[0;36m19 |[0;0m guard [4;39mpthread_rwlock_init[0;0m(&rwLock, nil) == 0 else {
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'pthread_rwlock_init' in scope[0;0m
[0;36m20 |[0;0m preconditionFailure("Unable to initialize RWLock")
[0;36m21 |[0;0m }
/host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLock.swift:25:9: [1;31merror: [1;39mcannot find 'pthread_rwlock_destroy' in scope[0;0m
[0;36m23 |[0;0m
[0;36m24 |[0;0m deinit {
[0;36m25 |[0;0m [4;39mpthread_rwlock_destroy[0;0m(&rwLock)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'pthread_rwlock_destroy' in scope[0;0m
[0;36m26 |[0;0m }
[0;36m27 |[0;0m
/host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLock.swift:29:9: [1;31merror: [1;39mcannot find 'pthread_rwlock_wrlock' in scope[0;0m
[0;36m27 |[0;0m
[0;36m28 |[0;0m public func writeLock() {
[0;36m29 |[0;0m [4;39mpthread_rwlock_wrlock[0;0m(&rwLock)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'pthread_rwlock_wrlock' in scope[0;0m
[0;36m30 |[0;0m }
[0;36m31 |[0;0m
/host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLock.swift:33:9: [1;31merror: [1;39mcannot find 'pthread_rwlock_trywrlock' in scope[0;0m
[0;36m31 |[0;0m
[0;36m32 |[0;0m public func tryWriteLock() {
[0;36m33 |[0;0m [4;39mpthread_rwlock_trywrlock[0;0m(&rwLock)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'pthread_rwlock_trywrlock' in scope[0;0m
[0;36m34 |[0;0m }
[0;36m35 |[0;0m
/host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLock.swift:37:9: [1;31merror: [1;39mcannot find 'pthread_rwlock_rdlock' in scope[0;0m
[0;36m35 |[0;0m
[0;36m36 |[0;0m public func readLock() {
[0;36m37 |[0;0m [4;39mpthread_rwlock_rdlock[0;0m(&rwLock)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'pthread_rwlock_rdlock' in scope[0;0m
[0;36m38 |[0;0m }
[0;36m39 |[0;0m
/host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLock.swift:41:9: [1;31merror: [1;39mcannot find 'pthread_rwlock_tryrdlock' in scope[0;0m
[0;36m39 |[0;0m
[0;36m40 |[0;0m public func tryReadLock() {
[0;36m41 |[0;0m [4;39mpthread_rwlock_tryrdlock[0;0m(&rwLock)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'pthread_rwlock_tryrdlock' in scope[0;0m
[0;36m42 |[0;0m }
[0;36m43 |[0;0m
/host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLock.swift:45:9: [1;31merror: [1;39mcannot find 'pthread_rwlock_unlock' in scope[0;0m
[0;36m43 |[0;0m
[0;36m44 |[0;0m public func unlock() {
[0;36m45 |[0;0m [4;39mpthread_rwlock_unlock[0;0m(&rwLock)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'pthread_rwlock_unlock' in scope[0;0m
[0;36m46 |[0;0m }
[0;36m47 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLock.swift /host/spi-builder-workspace/.build/checkouts/RWLock-Swift/Sources/RWLock/RWLockedPropertyWrapper.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/Objects-normal/wasm32/RWLock.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/Objects-normal/wasm32/RWLock.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/Objects-normal/wasm32/RWLock.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/Objects-normal/wasm32/RWLock.dia -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 -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/RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name RWLock -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/Objects-normal/wasm32/RWLock_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 -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/Objects-normal/wasm32/RWLock.o -index-unit-output-path /RWLock.build/Debug-webassembly-wasm32/RWLock-t.build/Objects-normal/wasm32/RWLock.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm