Swift Package Index

Build Information

Failed to build LDSwiftEventSource, reference main (430a39), with Swift 6.4 for Wasm on 3 Oct 2026 05:18:07 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/LaunchDarkly/swift-eventsource.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/LaunchDarkly/swift-eventsource
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 430a39e chore(main): release 3.4.0 (#119)
Cloned https://github.com/LaunchDarkly/swift-eventsource.git
Revision (git rev-parse @):
430a39e5ac704650f9b42913b9dfc2aebb67dcf1
SUCCESS checkout https://github.com/LaunchDarkly/swift-eventsource.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/LaunchDarkly/swift-eventsource.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$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
Building for debugging...
[Planning deferred tasks]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:82:47: error: 'URLSessionConfiguration' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
 80 |         public var idleTimeout: TimeInterval = 300.0
 81 |
 82 |         private var _urlSessionConfiguration: URLSessionConfiguration = URLSessionConfiguration.default
    |                                               `- error: 'URLSessionConfiguration' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
 83 |         /**
 84 |          The `URLSessionConfiguration` used to create the `URLSession`.
Foundation.URLSessionConfiguration:2:18: note: 'URLSessionConfiguration' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSessionConfiguration = AnyObject
  |                  `- note: 'URLSessionConfiguration' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:82:97: error: type 'URLSessionConfiguration' (aka 'AnyObject') has no member 'default'
 80 |         public var idleTimeout: TimeInterval = 300.0
 81 |
 82 |         private var _urlSessionConfiguration: URLSessionConfiguration = URLSessionConfiguration.default
    |                                                                                                 `- error: type 'URLSessionConfiguration' (aka 'AnyObject') has no member 'default'
 83 |         /**
 84 |          The `URLSessionConfiguration` used to create the `URLSession`.
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:82:97: error: value of type '_' expected to be instance of class or class-constrained type
 80 |         public var idleTimeout: TimeInterval = 300.0
 81 |
 82 |         private var _urlSessionConfiguration: URLSessionConfiguration = URLSessionConfiguration.default
    |                                                                                                 `- error: value of type '_' expected to be instance of class or class-constrained type
 83 |         /**
 84 |          The `URLSessionConfiguration` used to create the `URLSession`.
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:94:45: error: 'URLSessionConfiguration' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
 92 |          - Since: 1.3.0
 93 |          */
 94 |         public var urlSessionConfiguration: URLSessionConfiguration {
    |                                             `- error: 'URLSessionConfiguration' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
 95 |             get {
 96 |                 // swiftlint:disable:next force_cast
Foundation.URLSessionConfiguration:2:18: note: 'URLSessionConfiguration' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSessionConfiguration = AnyObject
  |                  `- note: 'URLSessionConfiguration' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:165:38: error: cannot find type 'URLSessionDataDelegate' in scope
163 |
164 | // MARK: EventSourceDelegate
165 | class EventSourceDelegate: NSObject, URLSessionDataDelegate {
    |                                      `- error: cannot find type 'URLSessionDataDelegate' in scope
166 |     private let delegateQueue: DispatchQueue = DispatchQueue(label: "ESDelegateQueue")
167 |
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:166:32: error: cannot find type 'DispatchQueue' in scope
164 | // MARK: EventSourceDelegate
165 | class EventSourceDelegate: NSObject, URLSessionDataDelegate {
166 |     private let delegateQueue: DispatchQueue = DispatchQueue(label: "ESDelegateQueue")
    |                                `- error: cannot find type 'DispatchQueue' in scope
167 |
168 |     public var logger: InternalLogging
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:166:48: error: cannot find 'DispatchQueue' in scope
164 | // MARK: EventSourceDelegate
165 | class EventSourceDelegate: NSObject, URLSessionDataDelegate {
166 |     private let delegateQueue: DispatchQueue = DispatchQueue(label: "ESDelegateQueue")
    |                                                `- error: cannot find 'DispatchQueue' in scope
167 |
168 |     public var logger: InternalLogging
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:181:29: error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
179 |     private let eventParser: EventParser
180 |     private let reconnectionTimer: ReconnectionTimer
181 |     private var urlSession: URLSession?
    |                             `- error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
182 |     private var sessionTask: URLSessionDataTask?
183 |
Foundation.URLSession:2:18: note: 'URLSession' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSession = AnyObject
  |                  `- note: 'URLSession' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:182:30: error: 'URLSessionDataTask' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
180 |     private let reconnectionTimer: ReconnectionTimer
181 |     private var urlSession: URLSession?
182 |     private var sessionTask: URLSessionDataTask?
    |                              `- error: 'URLSessionDataTask' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
183 |
184 |     init(config: EventSource.Config) {
Foundation.URLSessionDataTask:2:18: note: 'URLSessionDataTask' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSessionDataTask = AnyObject
  |                  `- note: 'URLSessionDataTask' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:231:29: error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
229 |     func getLastEventId() -> String { eventParser.getLastEventId() }
230 |
231 |     func createSession() -> URLSession {
    |                             `- error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
232 |         let opQueue = OperationQueue()
233 |         opQueue.underlyingQueue = self.delegateQueue
Foundation.URLSession:2:18: note: 'URLSession' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSession = AnyObject
  |                  `- note: 'URLSession' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:237:29: error: cannot find type 'URLRequest' in scope
235 |     }
236 |
237 |     func createRequest() -> URLRequest {
    |                             `- error: cannot find type 'URLRequest' in scope
238 |         var urlRequest = URLRequest(url: self.config.url,
239 |                                     cachePolicy: URLRequest.CachePolicy.reloadIgnoringLocalAndRemoteCacheData,
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:270:39: error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
268 |
269 |     // Tells the delegate that the task finished transferring data.
270 |     public func urlSession(_ session: URLSession,
    |                                       `- error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
271 |                            task: URLSessionTask,
272 |                            didCompleteWithError error: Error?) {
Foundation.URLSession:2:18: note: 'URLSession' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSession = AnyObject
  |                  `- note: 'URLSession' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:271:34: error: 'URLSessionTask' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
269 |     // Tells the delegate that the task finished transferring data.
270 |     public func urlSession(_ session: URLSession,
271 |                            task: URLSessionTask,
    |                                  `- error: 'URLSessionTask' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
272 |                            didCompleteWithError error: Error?) {
273 |         utf8LineParser.closeAndReset()
Foundation.URLSessionTask:2:18: note: 'URLSessionTask' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSessionTask = AnyObject
  |                  `- note: 'URLSessionTask' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:317:69: error: 'ResponseDisposition' is not a member type of type 'Foundation.URLSession' (aka 'AnyObject')
315 |                            dataTask: URLSessionDataTask,
316 |                            didReceive response: URLResponse,
317 |                            completionHandler: @escaping (URLSession.ResponseDisposition) -> Void) {
    |                                                                     `- error: 'ResponseDisposition' is not a member type of type 'Foundation.URLSession' (aka 'AnyObject')
318 |         logger.log(.debug, "Initial reply received")
319 |
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:314:39: error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
312 |
313 |     // Tells the delegate that the data task received the initial reply (headers) from the server.
314 |     public func urlSession(_ session: URLSession,
    |                                       `- error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
315 |                            dataTask: URLSessionDataTask,
316 |                            didReceive response: URLResponse,
Foundation.URLSession:2:18: note: 'URLSession' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSession = AnyObject
  |                  `- note: 'URLSession' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:315:38: error: 'URLSessionDataTask' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
313 |     // Tells the delegate that the data task received the initial reply (headers) from the server.
314 |     public func urlSession(_ session: URLSession,
315 |                            dataTask: URLSessionDataTask,
    |                                      `- error: 'URLSessionDataTask' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
316 |                            didReceive response: URLResponse,
317 |                            completionHandler: @escaping (URLSession.ResponseDisposition) -> Void) {
Foundation.URLSessionDataTask:2:18: note: 'URLSessionDataTask' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSessionDataTask = AnyObject
  |                  `- note: 'URLSessionDataTask' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:316:49: error: 'URLResponse' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
314 |     public func urlSession(_ session: URLSession,
315 |                            dataTask: URLSessionDataTask,
316 |                            didReceive response: URLResponse,
    |                                                 `- error: 'URLResponse' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
317 |                            completionHandler: @escaping (URLSession.ResponseDisposition) -> Void) {
318 |         logger.log(.debug, "Initial reply received")
Foundation.URLResponse:2:18: note: 'URLResponse' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLResponse = AnyObject
  |                  `- note: 'URLResponse' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:345:39: error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
343 |     }
344 |
345 |     public func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {
    |                                       `- error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
346 |         utf8LineParser.append(data).forEach(eventParser.parse)
347 |     }
Foundation.URLSession:2:18: note: 'URLSession' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSession = AnyObject
  |                  `- note: 'URLSession' has been explicitly marked unavailable here
/host/spi-builder-workspace/Source/LDSwiftEventSource.swift:345:61: error: 'URLSessionDataTask' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
343 |     }
344 |
345 |     public func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {
    |                                                             `- error: 'URLSessionDataTask' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
346 |         utf8LineParser.append(data).forEach(eventParser.parse)
347 |     }
Foundation.URLSessionDataTask:2:18: note: 'URLSessionDataTask' has been explicitly marked unavailable here
1 | @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
2 | public typealias URLSessionDataTask = AnyObject
  |                  `- note: 'URLSessionDataTask' has been explicitly marked unavailable here
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Source/EventParser.swift /host/spi-builder-workspace/Source/LDSwiftEventSource.swift /host/spi-builder-workspace/Source/Logs.swift /host/spi-builder-workspace/Source/Types.swift /host/spi-builder-workspace/Source/UTF8LineParser.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 -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/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name LDSwiftEventSource -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/Objects-normal/wasm32/LDSwiftEventSource_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/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/Objects-normal/wasm32/Modules/LDSwiftEventSource.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/Objects-normal/wasm32/Modules/LDSwiftEventSource.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/Objects-normal/wasm32/LDSwiftEventSource-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/Objects-normal/wasm32/LDSwiftEventSource-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/Objects-normal/wasm32/LDSwiftEventSource-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/LDSwiftEventSource.build/Debug-webassembly-wasm32/LDSwiftEventSource-t.build/Objects-normal/wasm32/Modules/LDSwiftEventSource.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm