Build Information
Failed to build swift-smtp, reference 2.16.1 (0a387f), with Swift 5.10 for macOS (Xcode) using Xcode 15.4 on 14 Nov 2025 01:00:25 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/sersoft-gmbh/swift-smtp.git
Reference: 2.16.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sersoft-gmbh/swift-smtp
* tag 2.16.1 -> FETCH_HEAD
HEAD is now at 0a387f4 Add minimum requirements for platforms other than macOS. Fixes #152
Cloned https://github.com/sersoft-gmbh/swift-smtp.git
Revision (git rev-parse @):
0a387f46dbd5b033099192043830d0f377ebec9b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/sersoft-gmbh/swift-smtp.git at 2.16.1
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Build
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Selected platform: macosXcodebuild
Swift version: 5.10
Building package at path: $PWD
https://github.com/sersoft-gmbh/swift-smtp.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 6.2.0 but the installed version is 5.10.0
Resolved source packages:
spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2025-11-13 20:00:23.063 xcodebuild[481:2669] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-13-11_20-00-0023.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.0 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 6.2.0 but the installed version is 5.10.0
Resolved source packages:
spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2025-11-13 20:00:24.827 xcodebuild[531:2966] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-13-11_20-00-0024.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 5.10.0
BUILD FAILURE 5.10 macosXcodebuild