Swift Package Index

Build Information

Failed to build swift-nio-http2, reference 1.39.0 (c2ba4c), with Swift 5.10 for macOS (Xcode) using Xcode 15.4 on 12 Nov 2025 16:50:21 UTC.

Build Command

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

Build Log

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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-nio-http2.git
Reference: 1.39.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-nio-http2
 * tag               1.39.0     -> FETCH_HEAD
HEAD is now at c2ba4cf Drop Swift 5.10, Use Swift 6 language mode (#525)
Cloned https://github.com/apple/swift-nio-http2.git
Revision (git rev-parse @):
c2ba4cfbb83f307c66f5a6df6bb43e3c88dfbf80
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-nio-http2.git at 1.39.0
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Build
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Selected platform:         macosXcodebuild
Swift version:             5.10
Building package at path:  $PWD
https://github.com/apple/swift-nio-http2.git
Command line invocation:
    /Applications/Xcode-15.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
Resolved source packages:
  spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2025-11-12 11:50:18.297 xcodebuild[489:2682] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-12-11_11-50-0018.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
Command line invocation:
    /Applications/Xcode-15.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
Resolved source packages:
  spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2025-11-12 11:50:20.021 xcodebuild[538:2991] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-12-11_11-50-0020.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
BUILD FAILURE 5.10 macosXcodebuild