Swift Package Index

Build Information

Failed to build RWLock, reference main (fc7781), with Swift 6.4 for Wasm on 19 Sep 2026 04:10:22 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/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/grype/RWLock-Swift.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/grype/RWLock-Swift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at fc7781a Initial commit
Cloned https://github.com/grype/RWLock-Swift.git
Revision (git rev-parse @):
fc7781a5b696c9e26942d8175b7d2363cd2d3680
SUCCESS checkout https://github.com/grype/RWLock-Swift.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/grype/RWLock-Swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$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
Building for debugging...
[Planning deferred tasks]
[21 / 29] RWLock
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/RWLock/RWLock.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile RWLock.swift
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:19:15: error: cannot find 'pthread_rwlock_init' in scope
17 |
18 |     public init() {
19 |         guard pthread_rwlock_init(&rwLock, nil) == 0 else {
   |               `- error: cannot find 'pthread_rwlock_init' in scope
20 |             preconditionFailure("Unable to initialize RWLock")
21 |         }
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:25:9: error: cannot find 'pthread_rwlock_destroy' in scope
23 |
24 |     deinit {
25 |         pthread_rwlock_destroy(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_destroy' in scope
26 |     }
27 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:29:9: error: cannot find 'pthread_rwlock_wrlock' in scope
27 |
28 |     public func writeLock() {
29 |         pthread_rwlock_wrlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_wrlock' in scope
30 |     }
31 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:33:9: error: cannot find 'pthread_rwlock_trywrlock' in scope
31 |
32 |     public func tryWriteLock() {
33 |         pthread_rwlock_trywrlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_trywrlock' in scope
34 |     }
35 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:37:9: error: cannot find 'pthread_rwlock_rdlock' in scope
35 |
36 |     public func readLock() {
37 |         pthread_rwlock_rdlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_rdlock' in scope
38 |     }
39 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:41:9: error: cannot find 'pthread_rwlock_tryrdlock' in scope
39 |
40 |     public func tryReadLock() {
41 |         pthread_rwlock_tryrdlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_tryrdlock' in scope
42 |     }
43 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:45:9: error: cannot find 'pthread_rwlock_unlock' in scope
43 |
44 |     public func unlock() {
45 |         pthread_rwlock_unlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_unlock' in scope
46 |     }
47 |
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/RWLock/RWLock.swift /host/spi-builder-workspace/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 -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