Swift Package Index

Build Information

Failed to build Lift, reference 2.5.4 (783204), with Swift 6.3 for Wasm on 20 Apr 2026 18:26:35 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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/iZettle/Lift.git
Reference: 2.5.4
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/iZettle/Lift
 * tag               2.5.4      -> FETCH_HEAD
HEAD is now at 7832047 Merge pull request #43 from iZettle/bump-xcode-versions
Cloned https://github.com/iZettle/Lift.git
Revision (git rev-parse @):
7832047b61eb53b40f7dad003bdc331ec98f2523
SUCCESS checkout https://github.com/iZettle/Lift.git at 2.5.4
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/iZettle/Lift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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
[3/13] Compiling Lift Jar+Expressible.swift
[4/13] Compiling Lift Jar+Object.swift
[5/14] Compiling Lift Jar+Context.swift
[6/14] Compiling Lift Jar+Dictionary.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/14] Emitting module Lift
/host/spi-builder-workspace/Lift/Jar+Additions.swift:78:1: error: type 'UserDefaults' does not conform to protocol 'ValueForKey'
76 | }
77 |
78 | extension UserDefaults: MutatingValueForKey { }
   | |- error: type 'UserDefaults' does not conform to protocol 'ValueForKey'
   | `- note: add stubs for conformance
79 |
/host/spi-builder-workspace/Lift/ValueForKey.swift:16:10: note: protocol requires function 'value(forKey:)' with type '(String) -> Any?'
14 | ///     let value: Int = UserDefaults.standard["value"]^
15 | public protocol ValueForKey {
16 |     func value(forKey key: String) -> Any?
   |          `- note: protocol requires function 'value(forKey:)' with type '(String) -> Any?'
17 | }
18 |
[8/14] Compiling Lift Jar+Additions.swift
/host/spi-builder-workspace/Lift/Jar+Additions.swift:78:1: error: type 'UserDefaults' does not conform to protocol 'ValueForKey'
76 | }
77 |
78 | extension UserDefaults: MutatingValueForKey { }
   | |- error: type 'UserDefaults' does not conform to protocol 'ValueForKey'
   | `- note: add stubs for conformance
79 |
/host/spi-builder-workspace/Lift/ValueForKey.swift:16:10: note: protocol requires function 'value(forKey:)' with type '(String) -> Any?'
14 | ///     let value: Int = UserDefaults.standard["value"]^
15 | public protocol ValueForKey {
16 |     func value(forKey key: String) -> Any?
   |          `- note: protocol requires function 'value(forKey:)' with type '(String) -> Any?'
17 | }
18 |
[9/14] Compiling Lift Jar+Array.swift
/host/spi-builder-workspace/Lift/Jar+Additions.swift:78:1: error: type 'UserDefaults' does not conform to protocol 'ValueForKey'
76 | }
77 |
78 | extension UserDefaults: MutatingValueForKey { }
   | |- error: type 'UserDefaults' does not conform to protocol 'ValueForKey'
   | `- note: add stubs for conformance
79 |
/host/spi-builder-workspace/Lift/ValueForKey.swift:16:10: note: protocol requires function 'value(forKey:)' with type '(String) -> Any?'
14 | ///     let value: Int = UserDefaults.standard["value"]^
15 | public protocol ValueForKey {
16 |     func value(forKey key: String) -> Any?
   |          `- note: protocol requires function 'value(forKey:)' with type '(String) -> Any?'
17 | }
18 |
[10/14] Compiling Lift JarElement.swift
[11/14] Compiling Lift LiftError.swift
[12/14] Compiling Lift JarElement+Primitives.swift
[13/14] Compiling Lift Jar.swift
[14/14] Compiling Lift ValueForKey.swift
BUILD FAILURE 6.3 wasm