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Build Information

Failed to build FastList, reference v1.2.1 (4a72c6), with Swift 6.3 for macOS (SPM) on 13 Apr 2026 10:52:25 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/elegantchaos/FastList.git
Reference: v1.2.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/elegantchaos/FastList
 * tag               v1.2.1     -> FETCH_HEAD
HEAD is now at 4a72c6b Bumped RefreshableScrollView version
Cloned https://github.com/elegantchaos/FastList.git
Revision (git rev-parse @):
4a72c6b59f9e41168756eb9c83f05a41cbc47fa0
SUCCESS checkout https://github.com/elegantchaos/FastList.git at v1.2.1
Fetching https://github.com/elegantchaos/RefreshableScrollView.git
Fetching https://github.com/elegantchaos/Matchable.git
Fetching https://github.com/elegantchaos/XCTestExtensions.git
[1/284] Fetching refreshablescrollview
[285/450] Fetching refreshablescrollview, matchable
[451/1021] Fetching refreshablescrollview, matchable, xctestextensions
Fetched https://github.com/elegantchaos/XCTestExtensions.git from cache (0.85s)
Fetched https://github.com/elegantchaos/Matchable.git from cache (0.85s)
Fetched https://github.com/elegantchaos/RefreshableScrollView.git from cache (0.85s)
Computing version for https://github.com/elegantchaos/XCTestExtensions.git
Computed https://github.com/elegantchaos/XCTestExtensions.git at 1.4.2 (1.50s)
Computing version for https://github.com/elegantchaos/RefreshableScrollView.git
Computed https://github.com/elegantchaos/RefreshableScrollView.git at 1.3.1 (0.64s)
Computing version for https://github.com/elegantchaos/Matchable.git
Computed https://github.com/elegantchaos/Matchable.git at 1.0.6 (0.63s)
Creating working copy for https://github.com/elegantchaos/RefreshableScrollView.git
Working copy of https://github.com/elegantchaos/RefreshableScrollView.git resolved at 1.3.1
Creating working copy for https://github.com/elegantchaos/XCTestExtensions.git
Working copy of https://github.com/elegantchaos/XCTestExtensions.git resolved at 1.4.2
Creating working copy for https://github.com/elegantchaos/Matchable.git
Working copy of https://github.com/elegantchaos/Matchable.git resolved at 1.0.6
========================================
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",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "fastlist",
      "name": "FastList",
      "url": "https://github.com/elegantchaos/FastList.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/FastList",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "refreshablescrollview",
          "name": "RefreshableScrollView",
          "url": "https://github.com/elegantchaos/RefreshableScrollView.git",
          "version": "1.3.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/RefreshableScrollView",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/elegantchaos/FastList.git
[1/166] Fetching fastlist
Fetched https://github.com/elegantchaos/FastList.git from cache (0.60s)
Fetching https://github.com/elegantchaos/RefreshableScrollView.git from cache
Fetched https://github.com/elegantchaos/RefreshableScrollView.git from cache (0.44s)
Computing version for https://github.com/elegantchaos/RefreshableScrollView.git
Computed https://github.com/elegantchaos/RefreshableScrollView.git at 1.3.1 (0.49s)
Creating working copy for https://github.com/elegantchaos/RefreshableScrollView.git
Working copy of https://github.com/elegantchaos/RefreshableScrollView.git resolved at 1.3.1
Creating working copy for https://github.com/elegantchaos/FastList.git
Working copy of https://github.com/elegantchaos/FastList.git resolved at v1.2.1 (4a72c6b)
warning: '.resolve-product-dependencies': dependency 'fastlist' is not used by any target
Found 1 product dependencies
  - RefreshableScrollView
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/elegantchaos/FastList.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version--6988338F2F200930.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/10] Emitting module RefreshableScrollView
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RefreshableScrollView/Sources/RefreshableScrollView/NativeRefreshableScrollView.swift:7:8: error: no such module 'UIKit'
  5 |
  6 | import SwiftUI
  7 | import UIKit
    |        `- error: no such module 'UIKit'
  8 |
  9 | /// Implements a ScrollView which uses the native UIScrollView to implement
[5/10] Compiling RefreshableScrollView BoundsReaderView.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RefreshableScrollView/Sources/RefreshableScrollView/NativeRefreshableScrollView.swift:7:8: error: no such module 'UIKit'
  5 |
  6 | import SwiftUI
  7 | import UIKit
    |        `- error: no such module 'UIKit'
  8 |
  9 | /// Implements a ScrollView which uses the native UIScrollView to implement
[6/10] Compiling RefreshableScrollView NativeRefreshableScrollView.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RefreshableScrollView/Sources/RefreshableScrollView/NativeRefreshableScrollView.swift:7:8: error: no such module 'UIKit'
  5 |
  6 | import SwiftUI
  7 | import UIKit
    |        `- error: no such module 'UIKit'
  8 |
  9 | /// Implements a ScrollView which uses the native UIScrollView to implement
[7/10] Compiling RefreshableScrollView RefreshableScrollView.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RefreshableScrollView/Sources/RefreshableScrollView/NativeRefreshableScrollView.swift:7:8: error: no such module 'UIKit'
  5 |
  6 | import SwiftUI
  7 | import UIKit
    |        `- error: no such module 'UIKit'
  8 |
  9 | /// Implements a ScrollView which uses the native UIScrollView to implement
[8/10] Compiling RefreshableScrollView RefreshState.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RefreshableScrollView/Sources/RefreshableScrollView/NativeRefreshableScrollView.swift:7:8: error: no such module 'UIKit'
  5 |
  6 | import SwiftUI
  7 | import UIKit
    |        `- error: no such module 'UIKit'
  8 |
  9 | /// Implements a ScrollView which uses the native UIScrollView to implement
[9/10] Compiling RefreshableScrollView IndicatorView.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RefreshableScrollView/Sources/RefreshableScrollView/NativeRefreshableScrollView.swift:7:8: error: no such module 'UIKit'
  5 |
  6 | import SwiftUI
  7 | import UIKit
    |        `- error: no such module 'UIKit'
  8 |
  9 | /// Implements a ScrollView which uses the native UIScrollView to implement
[10/10] Compiling RefreshableScrollView CustomActivityView.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RefreshableScrollView/Sources/RefreshableScrollView/NativeRefreshableScrollView.swift:7:8: error: no such module 'UIKit'
  5 |
  6 | import SwiftUI
  7 | import UIKit
    |        `- error: no such module 'UIKit'
  8 |
  9 | /// Implements a ScrollView which uses the native UIScrollView to implement
BUILD FAILURE 6.3 macosSpm