Swift Package Index

Build Information

Failed to build swift-syntax, reference 603.0.0-prerelease-2025-10-30 (ef367f), with Swift 6.2 for Wasm on 31 Oct 2025 07:52:38 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/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/swiftlang/swift-syntax.git
Reference: 603.0.0-prerelease-2025-10-30
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/swiftlang/swift-syntax
 * tag               603.0.0-prerelease-2025-10-30 -> FETCH_HEAD
HEAD is now at ef367f7 Merge pull request #3177 from tshortli/work-around-swift-6.2-retroactive-conformance-warnings
Cloned https://github.com/swiftlang/swift-syntax.git
Revision (git rev-parse @):
ef367f7370c51200ed95b384e03d545f59c7fc98
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftlang/swift-syntax.git at 603.0.0-prerelease-2025-10-30
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/swiftlang/swift-syntax.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/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
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Sources/SwiftWarningControl/SwiftWarningControl.md
Building for debugging...
[0/32] Write sources
[28/32] Compiling _SwiftLibraryPluginProviderCShims LoadLibrary.c
[29/32] Compiling InstructionsExecuted.c
[30/32] Compiling _SwiftSyntaxCShims PlatformMutex.c
[30/32] Write swift-version-24593BA9C3E375BF.txt
[33/46] Emitting module SwiftSyntax602
[34/46] Emitting module SwiftSyntax600
[35/46] Emitting module SwiftSyntax510
[36/49] Emitting module SwiftSyntax509
[37/50] Emitting module SwiftSyntax601
[43/51] Emitting module SwiftSyntax603
[44/51] Compiling SwiftSyntax603 Empty.swift
[45/52] Compiling SwiftSyntax602 Empty.swift
[46/52] Compiling SwiftSyntax600 Empty.swift
[48/52] Compiling _SwiftSyntaxGenericTestSupport AssertEqualWithDiff.swift
/host/spi-builder-workspace/Sources/_SwiftSyntaxGenericTestSupport/String+TrimmingTrailingWhitespace.swift:18:37: error: cannot use key path in embedded Swift
16 |       self
17 |       .split(separator: "\n", omittingEmptySubsequences: false)
18 |       .map { $0.droppingLast(while: \.isWhitespace) }
   |                                     `- error: cannot use key path in embedded Swift
19 |       .joined(separator: "\n")
20 |   }
error: emit-module command failed with exit code 1 (use -v to see invocation)
[49/52] Emitting module _SwiftSyntaxGenericTestSupport
/host/spi-builder-workspace/Sources/_SwiftSyntaxGenericTestSupport/String+TrimmingTrailingWhitespace.swift:18:37: error: cannot use key path in embedded Swift
16 |       self
17 |       .split(separator: "\n", omittingEmptySubsequences: false)
18 |       .map { $0.droppingLast(while: \.isWhitespace) }
   |                                     `- error: cannot use key path in embedded Swift
19 |       .joined(separator: "\n")
20 |   }
[50/52] Compiling SwiftSyntax509 Empty.swift
BUILD FAILURE 6.2 wasm