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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 QRScanner, reference 1.9.0 (b9bbca), with Swift 6.0 for macOS (SPM) on 29 Nov 2024 01:45:10 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.58.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mercari/QRScanner.git
Reference: 1.9.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mercari/QRScanner
 * tag               1.9.0      -> FETCH_HEAD
HEAD is now at b9bbcab Update podspec
Cloned https://github.com/mercari/QRScanner.git
Revision (git rev-parse @):
b9bbcabf8ce54974b56a63f403abc43930684314
SUCCESS checkout https://github.com/mercari/QRScanner.git at 1.9.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "qrscanner",
      "name": "QRScanner",
      "url": "https://github.com/mercari/QRScanner.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/QRScanner",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/mercari/QRScanner.git
[1/454] Fetching qrscanner
Fetched https://github.com/mercari/QRScanner.git from cache (1.56s)
Creating working copy for https://github.com/mercari/QRScanner.git
Working copy of https://github.com/mercari/QRScanner.git resolved at 1.9.0 (b9bbcab)
warning: '.resolve-product-dependencies': dependency 'qrscanner' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/mercari/QRScanner.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/3] Write sources
[1/3] Copying Images.xcassets
[2/3] Write swift-version--7754E27361AE5C74.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/8] Emitting module QRScanner
/Users/admin/builder/spi-builder-workspace/QRScanner/QRScannerView.swift:9:8: error: no such module 'UIKit'
  7 | //
  8 |
  9 | import UIKit
    |        `- error: no such module 'UIKit'
 10 | import AVFoundation
 11 |
[5/8] Compiling QRScanner QRScannerError.swift
/Users/admin/builder/spi-builder-workspace/QRScanner/QRScannerView.swift:9:8: error: no such module 'UIKit'
  7 | //
  8 |
  9 | import UIKit
    |        `- error: no such module 'UIKit'
 10 | import AVFoundation
 11 |
[6/8] Compiling QRScanner QRScannerView.swift
/Users/admin/builder/spi-builder-workspace/QRScanner/QRScannerView.swift:9:8: error: no such module 'UIKit'
  7 | //
  8 |
  9 | import UIKit
    |        `- error: no such module 'UIKit'
 10 | import AVFoundation
 11 |
[7/8] Compiling QRScanner resource_bundle_accessor.swift
/Users/admin/builder/spi-builder-workspace/QRScanner/QRScannerView.swift:9:8: error: no such module 'UIKit'
  7 | //
  8 |
  9 | import UIKit
    |        `- error: no such module 'UIKit'
 10 | import AVFoundation
 11 |
[8/8] Compiling QRScanner Bundle+Module.swift
/Users/admin/builder/spi-builder-workspace/QRScanner/QRScannerView.swift:9:8: error: no such module 'UIKit'
  7 | //
  8 |
  9 | import UIKit
    |        `- error: no such module 'UIKit'
 10 | import AVFoundation
 11 |
BUILD FAILURE 6.0 macosSpm