Swift Package Index

Build Information

Failed to build swift-corelibs-foundation, reference main (b40c41), with Swift 6.2 for macOS (SPM) on 20 Oct 2026 01:59:53 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/swiftlang/swift-corelibs-foundation.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftlang/swift-corelibs-foundation
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b40c41e Accept Set-Cookie response header fields regardless of case (#5613)
Cloned https://github.com/swiftlang/swift-corelibs-foundation.git
Revision (git rev-parse @):
b40c41e73612385c24be821bdfe95a67fdb157a5
SUCCESS checkout https://github.com/swiftlang/swift-corelibs-foundation.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/swiftlang/swift-corelibs-foundation.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
Fetching https://github.com/apple/swift-foundation-icu
[1/4800] Fetching swift-foundation-icu
Fetched https://github.com/apple/swift-foundation-icu from cache (41.78s)
Fetching https://github.com/apple/swift-foundation
[1/38601] Fetching swift-foundation
Fetched https://github.com/apple/swift-foundation from cache (95.10s)
error: Invalid manifest (compiled with: ["/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.RhkeTY/vfs.yaml", "-L", "/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-plugin-path", "/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing", "-sdk", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.2.sdk", "-F", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-F", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks", "-I", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "6", "-I", "/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.2.sdk", "-package-description-version", "6.2.0", "/Package.swift", "-o", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.znmWeF/swift-foundation-manifest"])
/Package.swift:95:5: error: the compiler is unable to type-check this expression in reasonable time; try breaking up the expression into distinct sub-expressions
 93 | ]
 94 |
 95 | let package = Package(
    |     `- error: the compiler is unable to type-check this expression in reasonable time; try breaking up the expression into distinct sub-expressions
 96 |     name: "swift-foundation",
 97 |     platforms: [.macOS("26"), .iOS("26"), .tvOS("26"), .watchOS("26"), .visionOS("26")], in https://github.com/apple/swift-foundation
BUILD FAILURE 6.2 macosSpm