Swift Package IndexBuild Information
Failed to build SpeziSensorKit, reference 0.6.3 (8addfd), with Swift 6.2 for Wasm on 6 Apr 2026 22:53:57 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-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/StanfordSpezi/SpeziSensorKit.git
Reference: 0.6.3
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/StanfordSpezi/SpeziSensorKit
* tag 0.6.3 -> FETCH_HEAD
HEAD is now at 8addfd5 try to fix deadlock (#17)
Cloned https://github.com/StanfordSpezi/SpeziSensorKit.git
Revision (git rev-parse @):
8addfd5f8ca54d85409ad9c70391859d44df227b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/StanfordSpezi/SpeziSensorKit.git at 0.6.3
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/StanfordSpezi/SpeziSensorKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-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/embedded-swift-sdk.json
Fetching https://github.com/StanfordSpezi/Spezi.git
Fetching https://github.com/StanfordSpezi/SpeziFoundation.git
Fetching https://github.com/StanfordSpezi/SpeziStorage.git
[1/1715] Fetching spezistorage
[1716/4669] Fetching spezistorage, spezifoundation
[4375/15002] Fetching spezistorage, spezifoundation, spezi
Fetched https://github.com/StanfordSpezi/SpeziStorage.git from cache (0.28s)
[3161/13287] Fetching spezifoundation, spezi
Fetched https://github.com/StanfordSpezi/SpeziFoundation.git from cache (0.35s)
[4237/10333] Fetching spezi
Fetched https://github.com/StanfordSpezi/Spezi.git from cache (0.53s)
Computing version for https://github.com/StanfordSpezi/SpeziStorage.git
Computed https://github.com/StanfordSpezi/SpeziStorage.git at 2.1.4 (1.05s)
Fetching https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
[1/735] Fetching xctruntimeassertions
Fetched https://github.com/StanfordBDHG/XCTRuntimeAssertions.git from cache (0.23s)
Computing version for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Computed https://github.com/StanfordBDHG/XCTRuntimeAssertions.git at 2.2.0 (0.76s)
Computing version for https://github.com/StanfordSpezi/Spezi.git
Computed https://github.com/StanfordSpezi/Spezi.git at 1.10.1 (0.60s)
Fetching https://github.com/apple/swift-collections.git
[1/23426] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (4.37s)
Computing version for https://github.com/StanfordSpezi/SpeziFoundation.git
Computed https://github.com/StanfordSpezi/SpeziFoundation.git at 2.7.4 (7.82s)
Fetching https://github.com/StanfordBDHG/ThreadLocal.git
Fetching https://github.com/apple/swift-log
Fetching https://github.com/StanfordBDHG/zstd.git
Fetching https://github.com/apple/swift-algorithms.git
Fetching https://github.com/apple/swift-atomics.git
[1/171] Fetching threadlocal
Fetched https://github.com/StanfordBDHG/ThreadLocal.git from cache (0.23s)
[1/1820] Fetching swift-atomics
[38/64977] Fetching swift-atomics, zstd
[1325/71326] Fetching swift-atomics, zstd, swift-log
[5745/77384] Fetching swift-atomics, zstd, swift-log, swift-algorithms
Fetched https://github.com/apple/swift-log from cache (0.61s)
[19878/71035] Fetching swift-atomics, zstd, swift-algorithms
Fetched https://github.com/apple/swift-algorithms.git from cache (5.50s)
Fetched https://github.com/apple/swift-atomics.git from cache (5.50s)
Fetched https://github.com/StanfordBDHG/zstd.git from cache (5.60s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (8.89s)
Fetching https://github.com/apple/swift-numerics.git
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (0.86s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (1.36s)
Computing version for https://github.com/StanfordBDHG/ThreadLocal.git
Computed https://github.com/StanfordBDHG/ThreadLocal.git at 0.1.2 (0.45s)
Fetching https://github.com/swiftlang/swift-syntax.git
[1/74932] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git from cache (7.40s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 602.0.0 (8.03s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.35s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.58s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.11.0 (3.41s)
Computing version for https://github.com/StanfordBDHG/zstd.git
Computed https://github.com/StanfordBDHG/zstd.git at 1.5.8-beta.1 (0.46s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/StanfordBDHG/ThreadLocal.git
Working copy of https://github.com/StanfordBDHG/ThreadLocal.git resolved at 0.1.2
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 602.0.0
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/StanfordSpezi/SpeziStorage.git
Working copy of https://github.com/StanfordSpezi/SpeziStorage.git resolved at 2.1.4
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/StanfordSpezi/SpeziFoundation.git
Working copy of https://github.com/StanfordSpezi/SpeziFoundation.git resolved at 2.7.4
Creating working copy for https://github.com/StanfordSpezi/Spezi.git
Working copy of https://github.com/StanfordSpezi/Spezi.git resolved at 1.10.1
Creating working copy for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Working copy of https://github.com/StanfordBDHG/XCTRuntimeAssertions.git resolved at 2.2.0
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.11.0
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/StanfordBDHG/zstd.git
Working copy of https://github.com/StanfordBDHG/zstd.git resolved at 1.5.8-beta.1
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.2.4-RELEASE-MacroSupport-ubuntu_jammy_x86_64.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.2.4-RELEASE-MacroSupport-ubuntu_jammy_x86_64.tar.gz (0.41s)
Building for debugging...
[0/55] Write sources
[6/55] Compiling SpeziFoundationObjC ObjCExceptionHandling.m
[6/55] Write sources
[8/55] Compiling error_private.c
[9/55] Compiling entropy_common.c
[10/55] Compiling debug.c
[11/55] Compiling pool.c
[12/55] Write swift-version-24593BA9C3E375BF.txt
[13/55] Compiling fse_decompress.c
[14/59] Compiling zstdmt_compress.c
[15/59] Compiling fastcover.c
[16/59] Compiling cover.c
[17/59] Compiling huf_decompress_amd64.S
[18/59] Compiling zstd_ddict.c
[19/59] Compiling zdict.c
[20/61] Compiling divsufsort.c
[21/61] Compiling zstd_preSplit.c
[22/61] Compiling zstd_decompress.c
error: emit-module command failed with exit code 1 (use -v to see invocation)
[24/61] Emitting module RuntimeAssertions
<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/embedded/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
[25/61] Compiling RuntimeAssertions Assert.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/embedded/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
[25/61] Compiling zstd_decompress_block.c
[25/61] Compiling huf_decompress.c
[25/61] Compiling zstd_fast.c
[25/61] Compiling zstd_opt.c
[25/61] Compiling zstd_lazy.c
[25/61] Compiling zstd_ldm.c
BUILD FAILURE 6.2 wasm