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Build Information

Failed to build swift-feature-flags, reference main (dae14d), with Swift 6.3 for Wasm on 19 Apr 2026 18:17:22 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/philiprehberger/swift-feature-flags.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/philiprehberger/swift-feature-flags
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at dae14db Fix FoundationNetworking import for Linux and NSLock in async context
Cloned https://github.com/philiprehberger/swift-feature-flags.git
Revision (git rev-parse @):
dae14dbd025c82e3000bc5ec08691bf143fa986f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/philiprehberger/swift-feature-flags.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/philiprehberger/swift-feature-flags.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/10] Compiling FeatureFlags ABTest.swift
[4/10] Emitting module FeatureFlags
/host/spi-builder-workspace/Sources/FeatureFlags/RemoteProvider.swift:14:26: error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
12 | public final class RemoteProvider: @unchecked Sendable, FlagProvider {
13 |     private let url: URL
14 |     private let session: URLSession
   |                          `- error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
15 |     private var cache: [String: Any] = [:]
16 |     private let lock = NSLock()
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/Sources/FeatureFlags/RemoteProvider.swift:19:36: error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
17 |
18 |     /// Create a remote provider that fetches flags from a JSON URL
19 |     public init(url: URL, session: URLSession = .shared) {
   |                                    `- error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
20 |         self.url = url
21 |         self.session = session
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/Sources/FeatureFlags/RemoteProvider.swift:19:50: error: value of type '_' expected to be instance of class or class-constrained type
17 |
18 |     /// Create a remote provider that fetches flags from a JSON URL
19 |     public init(url: URL, session: URLSession = .shared) {
   |                                                  `- error: value of type '_' expected to be instance of class or class-constrained type
20 |         self.url = url
21 |         self.session = session
/host/spi-builder-workspace/Sources/FeatureFlags/RemoteProvider.swift:19:50: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
17 |
18 |     /// Create a remote provider that fetches flags from a JSON URL
19 |     public init(url: URL, session: URLSession = .shared) {
   |                                                  `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
20 |         self.url = url
21 |         self.session = session
[5/11] Compiling FeatureFlags FeatureFlags.swift
[6/11] Compiling FeatureFlags RemoteProvider.swift
/host/spi-builder-workspace/Sources/FeatureFlags/RemoteProvider.swift:14:26: error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
12 | public final class RemoteProvider: @unchecked Sendable, FlagProvider {
13 |     private let url: URL
14 |     private let session: URLSession
   |                          `- error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
15 |     private var cache: [String: Any] = [:]
16 |     private let lock = NSLock()
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/Sources/FeatureFlags/RemoteProvider.swift:19:36: error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
17 |
18 |     /// Create a remote provider that fetches flags from a JSON URL
19 |     public init(url: URL, session: URLSession = .shared) {
   |                                    `- error: 'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.
20 |         self.url = url
21 |         self.session = session
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/Sources/FeatureFlags/RemoteProvider.swift:19:50: error: value of type '_' expected to be instance of class or class-constrained type
17 |
18 |     /// Create a remote provider that fetches flags from a JSON URL
19 |     public init(url: URL, session: URLSession = .shared) {
   |                                                  `- error: value of type '_' expected to be instance of class or class-constrained type
20 |         self.url = url
21 |         self.session = session
/host/spi-builder-workspace/Sources/FeatureFlags/RemoteProvider.swift:19:50: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
17 |
18 |     /// Create a remote provider that fetches flags from a JSON URL
19 |     public init(url: URL, session: URLSession = .shared) {
   |                                                  `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
20 |         self.url = url
21 |         self.session = session
/host/spi-builder-workspace/Sources/FeatureFlags/RemoteProvider.swift:32:43: error: value of type 'URLSession' (aka 'AnyObject') has no member 'data'
30 |     /// Fetch flags from the remote URL and update the local cache
31 |     public func refresh() async throws {
32 |         let (data, _) = try await session.data(from: url)
   |                                           `- error: value of type 'URLSession' (aka 'AnyObject') has no member 'data'
33 |         let json = try JSONSerialization.jsonObject(with: data) as? [String: Any] ?? [:]
34 |         let newCache = json
[7/11] Compiling FeatureFlags FlagRegistry.swift
[8/11] Compiling FeatureFlags FlagValue.swift
[9/11] Compiling FeatureFlags FlagEnvironment.swift
[10/11] Compiling FeatureFlags Flag.swift
[11/11] Compiling FeatureFlags FlagProvider.swift
BUILD FAILURE 6.3 wasm