Swift Package IndexBuild Information
Failed to build OpenObservation, reference 0.0.2 (1dd8b1), with Swift 6.2 for Wasm on 28 Mar 2026 01:57:04 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
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RunAll
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Builder version: 4.69.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/OpenSwiftUIProject/OpenObservation.git
Reference: 0.0.2
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/OpenObservation
* tag 0.0.2 -> FETCH_HEAD
HEAD is now at 1dd8b16 Update README to document Swift 6.1 alignment (#4)
Cloned https://github.com/OpenSwiftUIProject/OpenObservation.git
Revision (git rev-parse @):
1dd8b16a539e3563e05b77749acf334a4857a6a7
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/OpenSwiftUIProject/OpenObservation.git at 0.0.2
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Build
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Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/OpenSwiftUIProject/OpenObservation.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:de1420b02d93a9deec3e168cca69275e06e27da7632503e71651af6daad007b1
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/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
warning: 'spi-builder-workspace': [env] OPENOBSERVATION_DEVELOPMENT not set, using default: false
[env] OPENOBSERVATION_SWIFT_TOOLCHAIN_SUPPORTED not set, using default: false
Fetching https://github.com/swiftlang/swift-syntax
[1/74849] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax from cache (10.32s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 601.0.1 (14.74s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 601.0.1
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/601.0.1/swift-6.2.4-RELEASE-MacroSupport-ubuntu_jammy_x86_64.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/601.0.1/swift-6.2.4-RELEASE-MacroSupport-ubuntu_jammy_x86_64.tar.gz (0.61s)
Building for debugging...
[0/13] Write sources
[3/13] Compiling OpenObservationCxx Locking.cpp
[4/13] Compiling OpenObservationCxx ThreadLocal.cpp
[5/13] Write swift-version-24593BA9C3E375BF.txt
[7/18] Compiling OpenObservationMacros OpenObservationMacros.swift
[8/18] Compiling OpenObservationMacros ObservableMacro.swift
[9/18] Emitting module OpenObservationMacros
[10/18] Compiling OpenObservationMacros Availability.swift
[11/18] Compiling OpenObservationMacros Extensions.swift
[12/19] Wrapping AST for OpenObservationMacros for debugging
[13/19] Write Objects.LinkFileList
[14/19] Linking OpenObservationMacros-tool
[16/25] Compiling OpenObservation ObservationTracking.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/wasi/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
[17/25] Compiling OpenObservation ObservationRegistrar.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/wasi/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
error: emit-module command failed with exit code 1 (use -v to see invocation)
[18/25] Emitting module OpenObservation
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/wasi/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
[19/25] Compiling OpenObservation ThreadLocal.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/wasi/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
[20/25] Compiling OpenObservation Locking.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/wasi/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
[21/25] Compiling OpenObservation Observable.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/wasi/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
BUILD FAILURE 6.2 wasm