Swift Package Index

Build Information

Failed to build UnsafeHeterogeneousBuffer, reference 0.2.0 (0325d3), with Swift 6.2 for Wasm on 5 Oct 2025 16:26:59 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/OpenSwiftUIProject/UnsafeHeterogeneousBuffer.git
Reference: 0.2.0
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/OpenSwiftUIProject/UnsafeHeterogeneousBuffer
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at 0325d39 Update CI to iOS 18.5 and Xcode 16.4 (Swift 6.1.2) (#1)
Cloned https://github.com/OpenSwiftUIProject/UnsafeHeterogeneousBuffer.git
Revision (git rev-parse @):
0325d39cdcb39c3f66b521c3b9718e6271645861
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/OpenSwiftUIProject/UnsafeHeterogeneousBuffer.git at 0.2.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/OpenSwiftUIProject/UnsafeHeterogeneousBuffer.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:f6b6b9bdb5d5605d727da337418fc455cd8a0394d3a815b70631008c48829755
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/embedded-swift-sdk.json
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)
[3/4] Emitting module UnsafeHeterogeneousBuffer
/host/spi-builder-workspace/Sources/UnsafeHeterogeneousBuffer/UnsafeHeterogeneousBuffer.swift:176:21: error: classes cannot have non-final generic functions in embedded Swift
174 |
175 | open class _UnsafeHeterogeneousBuffer_VTable {
176 |     open class func hasType<T>(_ type: T.Type) -> Bool {
    |                     `- error: classes cannot have non-final generic functions in embedded Swift
177 |         false
178 |     }
[4/4] Compiling UnsafeHeterogeneousBuffer UnsafeHeterogeneousBuffer.swift
/host/spi-builder-workspace/Sources/UnsafeHeterogeneousBuffer/UnsafeHeterogeneousBuffer.swift:176:21: error: classes cannot have non-final generic functions in embedded Swift
174 |
175 | open class _UnsafeHeterogeneousBuffer_VTable {
176 |     open class func hasType<T>(_ type: T.Type) -> Bool {
    |                     `- error: classes cannot have non-final generic functions in embedded Swift
177 |         false
178 |     }
BUILD FAILURE 6.2 wasm