Build Information
Failed to build Flow, reference 1.3.1 (a8b000), with Swift 6.1 for watchOS using Xcode 16.3 on 31 Oct 2025 21:47:16 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
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ViewFeature/Flow.git
Reference: 1.3.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ViewFeature/Flow
* tag 1.3.1 -> FETCH_HEAD
HEAD is now at a8b000b Merge pull request #21 from ViewFeature/docs/align-readme-with-5-core-principles
Cloned https://github.com/ViewFeature/Flow.git
Revision (git rev-parse @):
a8b000bf155b7d3695b9acab431cd2c8489120aa
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ViewFeature/Flow.git at 1.3.1
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/ViewFeature/Flow.git
https://github.com/ViewFeature/Flow.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2025-10-31 14:47:15.642 xcodebuild[527:3029] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2025-31-10_14-47-0015.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 6.1.0
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2025-10-31 14:47:16.343 xcodebuild[541:3169] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2025-31-10_14-47-0016.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 6.1.0
BUILD FAILURE 6.1 watchOS