Swift Package Index

Build Information

Failed to build swift-uwp, reference main (a0a864), with Swift 6.3 for Wasm on 18 Apr 2026 23:16:38 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/moreSwift/swift-uwp.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/moreSwift/swift-uwp
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a0a8646 Update to versioned dependencies
Cloned https://github.com/moreSwift/swift-uwp.git
Revision (git rev-parse @):
a0a86467514eaa63272eae848c70d49e6874ede4
SUCCESS checkout https://github.com/moreSwift/swift-uwp.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/moreSwift/swift-uwp.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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
Fetching https://github.com/moreSwift/swift-windowsfoundation
[1/114] Fetching swift-windowsfoundation
Fetched https://github.com/moreSwift/swift-windowsfoundation from cache (0.40s)
Fetching https://github.com/moreSwift/swift-cwinrt
[1/500] Fetching swift-cwinrt
Fetched https://github.com/moreSwift/swift-cwinrt from cache (1.13s)
Computing version for https://github.com/moreSwift/swift-windowsfoundation
Computed https://github.com/moreSwift/swift-windowsfoundation at 0.1.0 (2.25s)
Computing version for https://github.com/moreSwift/swift-cwinrt
Computed https://github.com/moreSwift/swift-cwinrt at 0.1.2 (3.80s)
Creating working copy for https://github.com/moreSwift/swift-windowsfoundation
Working copy of https://github.com/moreSwift/swift-windowsfoundation resolved at 0.1.0
Creating working copy for https://github.com/moreSwift/swift-cwinrt
Working copy of https://github.com/moreSwift/swift-cwinrt resolved at 0.1.2
Building for debugging...
[0/14] Write sources
[3/14] Compiling CWinRT shim.c
[4/14] Write swift-version-24593BA9C3E375BF.txt
[6/16] Compiling SwiftDummy Dummy.swift
[7/16] Emitting module SwiftDummy
[8/17] Wrapping AST for SwiftDummy for debugging
[9/17] Write Objects.LinkFileList
error: dynamic libraries are unsupported for target 'wasm32-unknown-wasip1'
[10/17] Linking libCWinRT.wasm
BUILD FAILURE 6.3 wasm