Build Information
Failed to build swift-openapi-urlsession, reference 1.3.0 (576a65), with Swift 6.0 for macOS (Xcode) using Xcode 16.2 on 19 Apr 2026 22:33:13 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: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-openapi-urlsession.git
Reference: 1.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-openapi-urlsession
* tag 1.3.0 -> FETCH_HEAD
HEAD is now at 576a65b Disable default `OpenAPIRuntime` traits (#87)
Cloned https://github.com/apple/swift-openapi-urlsession.git
Revision (git rev-parse @):
576a65b4ffb8c12ddad4950dc21eea2ef071bec2
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-openapi-urlsession.git at 1.3.0
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Build
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Selected platform: macosXcodebuild
Swift version: 6.0
Building package at path: $PWD
https://github.com/apple/swift-openapi-urlsession.git
Command line invocation:
/Applications/Xcode-16.2.0.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 6.1.0 but the installed version is 6.0.0
Resolved source packages:
spi-builder-workspace: (null)
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.0
2026-04-19 15:33:10.392 xcodebuild[478:2776] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-04_15-33-0010.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.0
Command line invocation:
/Applications/Xcode-16.2.0.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 6.1.0 but the installed version is 6.0.0
Resolved source packages:
spi-builder-workspace: (null)
2026-04-19 15:33:12.236 xcodebuild[535:3106] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-04_15-33-0012.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.0
BUILD FAILURE 6.0 macosXcodebuild