Swift Package Index

Build Information

Failed to build OptionalAPI, reference 6.1.1 (7b8ae8), with Swift 6.2 for Wasm on 28 Feb 2026 12:39:10 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/sloik/OptionalAPI.git
Reference: 6.1.1
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/sloik/OptionalAPI
 * tag               6.1.1      -> FETCH_HEAD
HEAD is now at 7b8ae83 Update README: add new APIs, fix spelling, improve clarity
Cloned https://github.com/sloik/OptionalAPI.git
Revision (git rev-parse @):
7b8ae83a965b75b7075bd90d0886a1347da61f87
SUCCESS checkout https://github.com/sloik/OptionalAPI.git at 6.1.1
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/sloik/OptionalAPI.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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:c50555b47c4db0b0576f9f25702fbe2fdff28194c4a4f4c23a7dce4b3504c85e
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/swift-sdk.json
Fetching https://github.com/sloik/AliasWonderland.git
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
[1/212] Fetching aliaswonderland
Fetched https://github.com/sloik/AliasWonderland.git from cache (0.17s)
[1/15774] Fetching swift-snapshot-testing
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git from cache (3.03s)
Computing version for https://github.com/sloik/AliasWonderland.git
Computed https://github.com/sloik/AliasWonderland.git at 4.0.1 (3.57s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.18.9 (0.40s)
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/pointfreeco/swift-custom-dump
[1/5319] Fetching swift-custom-dump
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (0.33s)
[1/74520] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax from cache (5.98s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.4.1 (6.34s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5718] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.66s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (3.07s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (0.35s)
Creating working copy for https://github.com/sloik/AliasWonderland.git
Working copy of https://github.com/sloik/AliasWonderland.git resolved at 4.0.1
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.9.0
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.4.1
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.18.9
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.2-RELEASE-MacroSupport-ubuntu_jammy_x86_64.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.2-RELEASE-MacroSupport-ubuntu_jammy_x86_64.tar.gz (0.38s)
Building for debugging...
[0/7] Copying PrivacyInfo.xcprivacy
[0/7] Write sources
[3/7] Write swift-version-24593BA9C3E375BF.txt
[5/10] Compiling AliasWonderland ClosuresAliases.swift
[6/10] Compiling AliasWonderland SideEffectAliases.swift
[7/10] Emitting module AliasWonderland
[8/11] Wrapping AST for AliasWonderland for debugging
[9/11] Write Objects.LinkFileList
error: dynamic libraries are unsupported for target 'wasm32-unknown-wasip1'
[10/11] Linking libAliasWonderland.wasm
BUILD FAILURE 6.2 wasm