Build Information
Failed to build swift-distributed-actors, reference 1.0.0-beta.3 (d816a1), with Swift 6.3 for Wasm on 21 Apr 2026 01:41:04 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/apple/swift-distributed-actors.git
Reference: 1.0.0-beta.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/apple/swift-distributed-actors
* tag 1.0.0-beta.3 -> FETCH_HEAD
HEAD is now at d816a10 -test remove known flaky test of unsupported feature (#1079)
Cloned https://github.com/apple/swift-distributed-actors.git
Revision (git rev-parse @):
d816a10b70a6d537b2aa666ff735888b7ba40ab4
SUCCESS checkout https://github.com/apple/swift-distributed-actors.git at 1.0.0-beta.3
========================================
Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/apple/swift-distributed-actors.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-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
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[1/1] Compiling plugin MultiNodeTestPlugin
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Building for debugging...
[6/518] Write sources
/host/spi-builder-workspace/Sources/CDistributedActorsMailbox/backtrace_support.c:17:10: fatal error: 'execinfo.h' file not found
17 | #include <execinfo.h>
| ^~~~~~~~~~~~
1 error generated.
[28/518] Compiling CDistributedActorsMailbox backtrace_support.c
[28/518] Write sources
[28/518] Compiling _AtomicsShims.c
[28/518] Compiling CDistributedActorsMailbox c_mpsc_linked_queue.c
[28/518] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm