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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build StoryboardRoutePackage_Lib, reference main (50ff2b), with Swift 6.0 for macOS (SPM) on 17 Sep 2024 02:59:07 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Release.Candidate.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

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RunAll
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Builder version: 4.53.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/sreynin/StoryboardRute_Lib.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sreynin/StoryboardRute_Lib
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 50ff2b8 -update to old code
Cloned https://github.com/sreynin/StoryboardRute_Lib.git
Revision (git rev-parse @):
50ff2b852f0bc4e2b4bc405b2042a99965846fed
SUCCESS checkout https://github.com/sreynin/StoryboardRute_Lib.git at main
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Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/sreynin/StoryboardRute_Lib.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Release.Candidate.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-117DEE11B69C53C9.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module StoryboardRoutePackage_Lib
/Users/admin/builder/spi-builder-workspace/Sources/StoryboardRoutePackage_Lib/StoryboardRoutePackage_Lib.swift:2:8: error: no such module 'UIKit'
 1 |
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct StoryboardRoutePackage_Lib {
[4/4] Compiling StoryboardRoutePackage_Lib StoryboardRoutePackage_Lib.swift
/Users/admin/builder/spi-builder-workspace/Sources/StoryboardRoutePackage_Lib/StoryboardRoutePackage_Lib.swift:2:8: error: no such module 'UIKit'
 1 |
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct StoryboardRoutePackage_Lib {
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/admin/builder/spi-builder-workspace/Sources/StoryboardRoutePackage_Lib/Resource/Media.xcassets
BUILD FAILURE 6.0 macosSpm