PrecisionLevelSlider – Build Information

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 PrecisionLevelSlider, reference 2.2.0 (d16bec), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 21:08:35 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/FluidGroup/PrecisionLevelSlider.git
Reference: 2.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/FluidGroup/PrecisionLevelSlider
 * tag               2.2.0      -> FETCH_HEAD
HEAD is now at d16becc Upgrade swiftui-hosting (#11)
Cloned https://github.com/FluidGroup/PrecisionLevelSlider.git
Revision (git rev-parse @):
d16becc518758b6f984ff07f8e8c6a0fa9245492
SUCCESS checkout https://github.com/FluidGroup/PrecisionLevelSlider.git at 2.2.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/FluidGroup/PrecisionLevelSlider.git
https://github.com/FluidGroup/PrecisionLevelSlider.git
{
  "dependencies" : [
    {
      "identity" : "swiftui-hosting",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/FluidGroup/swiftui-Hosting"
    }
  ],
  "manifest_display_name" : "PrecisionLevelSlider",
  "name" : "PrecisionLevelSlider",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "PrecisionLevelSlider",
      "targets" : [
        "PrecisionLevelSlider"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PrecisionLevelSlider",
      "module_type" : "SwiftTarget",
      "name" : "PrecisionLevelSlider",
      "path" : "Sources/PrecisionLevelSlider",
      "product_dependencies" : [
        "SwiftUIHosting"
      ],
      "product_memberships" : [
        "PrecisionLevelSlider"
      ],
      "sources" : [
        "PrecisionLevelSlider.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/9] Compiling SwiftUIHosting SwiftUIHostingViewController.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[5/9] Compiling SwiftUIHosting UIResponder+.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/9] Emitting module SwiftUIHosting
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[7/9] Compiling SwiftUIHosting BaseModifier.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[8/9] Compiling SwiftUIHosting HostingController.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[9/9] Compiling SwiftUIHosting SwiftUIHostingView.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
Fetching https://github.com/FluidGroup/swiftui-Hosting
[1/225] Fetching swiftui-hosting
Fetched https://github.com/FluidGroup/swiftui-Hosting from cache (0.70s)
Computing version for https://github.com/FluidGroup/swiftui-Hosting
Computed https://github.com/FluidGroup/swiftui-Hosting at 2.3.0 (1.20s)
Creating working copy for https://github.com/FluidGroup/swiftui-Hosting
Working copy of https://github.com/FluidGroup/swiftui-Hosting resolved at 2.3.0
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/7] Compiling SwiftUIHosting UIResponder+.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[3/7] Compiling SwiftUIHosting SwiftUIHostingViewController.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/7] Emitting module SwiftUIHosting
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[5/7] Compiling SwiftUIHosting HostingController.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[6/7] Compiling SwiftUIHosting BaseModifier.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[7/7] Compiling SwiftUIHosting SwiftUIHostingView.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
BUILD FAILURE 6.1 macosSpm