Swift Package Index

Build Information

Failed to build UserDefaultsSnapshotLib, reference 1.5.0 (3ea76d), with Swift 6.3 for Wasm on 16 Apr 2026 12:52:19 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>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/VergeGroup/UserDefaultsSnapshot.git
Reference: 1.5.0
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/VergeGroup/UserDefaultsSnapshot
 * tag               1.5.0      -> FETCH_HEAD
HEAD is now at 3ea76da Support custom values (#7)
Cloned https://github.com/VergeGroup/UserDefaultsSnapshot.git
Revision (git rev-parse @):
3ea76dadff096a017eb521693e4bc17204052509
SUCCESS checkout https://github.com/VergeGroup/UserDefaultsSnapshot.git at 1.5.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/VergeGroup/UserDefaultsSnapshot.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/10] Compiling UserDefaultsSnapshotLib UserDefaultsPersistentStoreBase.swift
[4/10] Compiling UserDefaultsSnapshotLib UserDefaultsPersistentStoreSinkCancellable.swift
[5/10] Compiling UserDefaultsSnapshotLib UserDefaultsSnapshot.swift
[6/10] Compiling UserDefaultsSnapshotLib UserDefaultsPersistentStore.swift
/host/spi-builder-workspace/Sources/UserDefaultsSnapshotLib/UserDefaultsPersistentStore.swift:24:32: error: no exact matches in call to instance method 'addObserver'
 22 |     super.init()
 23 |
 24 |     NotificationCenter.default.addObserver(forName: UserDefaults.didChangeNotification, object: userDefaults, queue: nil) { [weak self] _ in
    |                                |- error: no exact matches in call to instance method 'addObserver'
    |                                |- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @Sendable (Message) async -> Void) -> NotificationCenter.ObservationToken'
    |                                `- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @MainActor (Message) -> Void) -> NotificationCenter.ObservationToken'
 25 |
 26 |       self?.subscribers.forEach { $0.value() }
/host/spi-builder-workspace/Sources/UserDefaultsSnapshotLib/UserDefaultsPersistentStore.swift:24:118: error: 'nil' requires a contextual type
 22 |     super.init()
 23 |
 24 |     NotificationCenter.default.addObserver(forName: UserDefaults.didChangeNotification, object: userDefaults, queue: nil) { [weak self] _ in
    |                                                                                                                      `- error: 'nil' requires a contextual type
 25 |
 26 |       self?.subscribers.forEach { $0.value() }
/host/spi-builder-workspace/Sources/UserDefaultsSnapshotLib/UserDefaultsPersistentStore.swift:24:137: error: cannot infer type of closure parameter '_' without a type annotation
 22 |     super.init()
 23 |
 24 |     NotificationCenter.default.addObserver(forName: UserDefaults.didChangeNotification, object: userDefaults, queue: nil) { [weak self] _ in
    |                                                                                                                                         `- error: cannot infer type of closure parameter '_' without a type annotation
 25 |
 26 |       self?.subscribers.forEach { $0.value() }
/host/spi-builder-workspace/Sources/UserDefaultsSnapshotLib/UserDefaultsPersistentStore.swift:52:20: error: value of type 'UserDefaults' has no member 'setValuesForKeys'
 50 |     do {
 51 |       try write(object)
 52 |       userDefaults.setValuesForKeys(object.modified)
    |                    `- error: value of type 'UserDefaults' has no member 'setValuesForKeys'
 53 |     } catch {
 54 |       throw error
/host/spi-builder-workspace/Sources/UserDefaultsSnapshotLib/UserDefaultsPersistentStore.swift:87:10: error: cannot find 'Thread' in scope
 85 |       let snapshot = makeSnapshot()
 86 |
 87 |       if Thread.isMainThread {
    |          `- error: cannot find 'Thread' in scope
 88 |         MainActor.assumeIsolated {
 89 |           sink(
[7/10] Compiling UserDefaultsSnapshotLib UserDefaultValueType.swift
[8/10] Emitting module UserDefaultsSnapshotLib
[9/10] Compiling UserDefaultsSnapshotLib UserDefaultsObject.swift
[10/10] Compiling UserDefaultsSnapshotLib _UserDefaultsPrimitiveValueType.swift
BUILD FAILURE 6.3 wasm