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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 VariableBlur, reference main (41698e), with Swift 6.0 (beta) for macOS (SPM) on 16 Sep 2024 16:42:43 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

========================================
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/nikstar/VariableBlur.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nikstar/VariableBlur
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 41698ee Update README.md
Cloned https://github.com/nikstar/VariableBlur.git
Revision (git rev-parse @):
41698eecb3373550b2100dbcd308d886501d7033
SUCCESS checkout https://github.com/nikstar/VariableBlur.git at main
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/nikstar/VariableBlur.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 VariableBlur
/Users/admin/builder/spi-builder-workspace/Sources/VariableBlur/VariableBlur.swift:3:8: error: no such module 'UIKit'
  1 |
  2 | import SwiftUI
  3 | import UIKit
    |        `- error: no such module 'UIKit'
  4 | import CoreImage.CIFilterBuiltins
  5 | import QuartzCore
[4/4] Compiling VariableBlur VariableBlur.swift
/Users/admin/builder/spi-builder-workspace/Sources/VariableBlur/VariableBlur.swift:3:8: error: no such module 'UIKit'
  1 |
  2 | import SwiftUI
  3 | import UIKit
    |        `- error: no such module 'UIKit'
  4 | import CoreImage.CIFilterBuiltins
  5 | import QuartzCore
BUILD FAILURE 6.0 macosSpm