Swift Package Index

Build Information

Failed to build swtws, reference master (b3f1ec), with Swift 6.4 for visionOS using Xcode 27.0 on 16 Sep 2026 19:37:58 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swift-tweets/swtws.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-tweets/swtws
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at b3f1ece Merge pull request #5 from Kuniwak/update-readme
Cloned https://github.com/swift-tweets/swtws.git
Revision (git rev-parse @):
b3f1ece4518a42eb451849d2cd4d30f3824a2506
SUCCESS checkout https://github.com/swift-tweets/swtws.git at master
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/swift-tweets/swtws.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/swift-tweets/tweetup-kit.git
Fetching from https://github.com/kylef/Commander.git
Fetching from https://github.com/kylef/Spectre.git
Fetching from https://github.com/koher/PromiseK.git
Fetching from https://github.com/swift-tweets/OAuthSwift.git
the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.4' to specify the current Swift toolchain version as the lowest Swift version supported by the projectResolve Package Graph
Updating from https://github.com/kylef/Commander.git
Updating from https://github.com/swift-tweets/tweetup-kit.git
Updating from https://github.com/kylef/Spectre.git
Updating from https://github.com/koher/PromiseK.git
Updating from https://github.com/swift-tweets/OAuthSwift.git
the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.4' to specify the current Swift toolchain version as the lowest Swift version supported by the projectResolve Package Graph
Updating from https://github.com/swift-tweets/tweetup-kit.git
Updating from https://github.com/kylef/Commander.git
Updating from https://github.com/kylef/Spectre.git
Updating from https://github.com/swift-tweets/OAuthSwift.git
Updating from https://github.com/koher/PromiseK.git
the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.4' to specify the current Swift toolchain version as the lowest Swift version supported by the projectResolve Package Graph
Updating from https://github.com/swift-tweets/tweetup-kit.git
Updating from https://github.com/kylef/Commander.git
Updating from https://github.com/kylef/Spectre.git
Updating from https://github.com/koher/PromiseK.git
Updating from https://github.com/swift-tweets/OAuthSwift.git
the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.4' to specify the current Swift toolchain version as the lowest Swift version supported by the project
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-16 15:37:55.178 xcodebuild[525:2992] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-16-09_15-37-0055.xcresult
xcodebuild: error: Could not resolve package dependencies:
  the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.4' to specify the current Swift toolchain version as the lowest Swift version supported by the project
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Updating from https://github.com/swift-tweets/tweetup-kit.git
Updating from https://github.com/kylef/Commander.git
Updating from https://github.com/kylef/Spectre.git
Updating from https://github.com/swift-tweets/OAuthSwift.git
Updating from https://github.com/koher/PromiseK.git
the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.4' to specify the current Swift toolchain version as the lowest Swift version supported by the project
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-16 15:37:58.301 xcodebuild[878:4558] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-16-09_15-37-0058.xcresult
xcodebuild: error: Could not resolve package dependencies:
  the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.4' to specify the current Swift toolchain version as the lowest Swift version supported by the project
BUILD FAILURE 6.4 visionOS