Swift Package IndexBuild Information
Failed to build RoundtripGenerator, reference main (3485f0), with Swift 6.2 for Wasm on 13 Oct 2026 19:23:13 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 5.1.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/modern-swift-dev/roundtrip-generator.git
Reference: main
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/modern-swift-dev/roundtrip-generator
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 3485f0c docs(context): define Express, Bun, and reference backend targets
Cloned https://github.com/modern-swift-dev/roundtrip-generator.git
Revision (git rev-parse @):
3485f0cbe060f26d6e7b884f4689e8e1462c6339
SUCCESS checkout https://github.com/modern-swift-dev/roundtrip-generator.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/modern-swift-dev/roundtrip-generator.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1
wasm-6.2-latest: Pulling from saguaro1/spi-images
Digest: sha256:c092ff8dc506a2a30e6239b6992792fd4f7dfaaa46cac3b3c48d8fe35e954282
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest
Fetching https://github.com/swiftlang/swift-syntax.git
Fetching https://github.com/swiftlang/swift-docc-plugin
[1/80500] Fetching swift-syntax
[29786/82845] Fetching swift-syntax, swift-docc-plugin
Fetched https://github.com/swiftlang/swift-docc-plugin from cache (3.50s)
Fetched https://github.com/swiftlang/swift-syntax.git from cache (3.52s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (4.42s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3837] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.62s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 603.0.2 (0.90s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.20s)
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 603.0.2
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/26] Write sources
[24/26] Compiling _SwiftSyntaxCShims PlatformMutex.c
[25/26] Write swift-version-24593BA9C3E375BF.txt
[27/46] Emitting module SwiftSyntax602
[28/46] Compiling SwiftSyntax602 Empty.swift
[29/47] Emitting module SwiftSyntax601
[30/47] Compiling SwiftSyntax601 Empty.swift
[33/48] Emitting module SwiftSyntax509
[34/48] Compiling SwiftSyntax509 Empty.swift
[36/49] Emitting module SwiftSyntax510
[37/49] Compiling SwiftSyntax510 Empty.swift
[38/49] Emitting module SwiftSyntax600
[39/49] Compiling SwiftSyntax600 Empty.swift
[42/51] Compiling SwiftSyntax603 Empty.swift
[43/51] Emitting module SwiftSyntax603
[45/115] Compiling GeneratorBuilder Node.swift
/host/spi-builder-workspace/Sources/GeneratorBuilder/Node.swift:22:46: error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
20 | func write(to file: URL) throws {
21 | let data = toString().data(using: .utf8)
22 | try data?.write(to: file, options: [.atomic])
| `- error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
23 | }
24 |
FoundationEssentials.Data.WritingOptions.atomic:4:23: note: 'atomic' has been explicitly marked unavailable here
2 | struct WritingOptions {
3 | @available(*, unavailable, message: "atomic writing is unavailable in WASI because temporary files are not supported")
4 | public static let atomic: Data.WritingOptions }
| `- note: 'atomic' has been explicitly marked unavailable here
5 | }
6 |
[46/115] Compiling GeneratorBuilder NodeBuilder.swift
[47/115] Compiling GeneratorBuilder FileManagerExtensions.swift
[48/115] Compiling GeneratorBuilder StringExtensions.swift
[49/115] Emitting module GeneratorBuilder
[50/115] Compiling GeneratorBuilder SequenceExtensions.swift
[51/115] Compiling GeneratorBuilder FixedWidthIntegerExtensions.swift
[52/115] Compiling GeneratorBuilder Node+Predefined.swift
BUILD FAILURE 6.2 wasm