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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 Burst, reference main (2ac4fa), with Swift 6.0 for macOS (SPM) on 30 Oct 2024 18:28:25 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

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/piemonte/Burst.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/piemonte/Burst
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 2ac4fa6 Delete heartburst.gif
Cloned https://github.com/piemonte/Burst.git
Revision (git rev-parse @):
2ac4fa6047abcebe306f1469d700cacab1a73fd7
SUCCESS checkout https://github.com/piemonte/Burst.git at main
========================================
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": "burst",
      "name": "Burst",
      "url": "https://github.com/piemonte/Burst.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Burst",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/piemonte/Burst.git
[1/131] Fetching burst
Fetched https://github.com/piemonte/Burst.git from cache (0.99s)
Creating working copy for https://github.com/piemonte/Burst.git
Working copy of https://github.com/piemonte/Burst.git resolved at main (2ac4fa6)
warning: '.resolve-product-dependencies': dependency 'burst' 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/piemonte/Burst.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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module Burst
/Users/admin/builder/spi-builder-workspace/Sources/Burst.swift:27:8: error: no such module 'UIKit'
 25 | //  SOFTWARE.
 26 |
 27 | import UIKit
    |        `- error: no such module 'UIKit'
 28 | import Foundation
 29 |
[4/4] Compiling Burst Burst.swift
/Users/admin/builder/spi-builder-workspace/Sources/Burst.swift:27:8: error: no such module 'UIKit'
 25 | //  SOFTWARE.
 26 |
 27 | import UIKit
    |        `- error: no such module 'UIKit'
 28 | import Foundation
 29 |
BUILD FAILURE 6.0 macosSpm