Swift Package Index

Build Information

Failed to build ArrowView, reference main (91d194), with Swift 6.3 for macOS (SPM) on 12 Apr 2026 16:18:19 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/bradhowes/ArrowView.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bradhowes/ArrowView
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 91d194c Fix coverage generation
Cloned https://github.com/bradhowes/ArrowView.git
Revision (git rev-parse @):
91d194cb0576c8bcd50027ad069320b787d3422d
SUCCESS checkout https://github.com/bradhowes/ArrowView.git at main
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
[1/16046] Fetching swift-snapshot-testing
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git from cache (4.58s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.19.2 (5.28s)
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/pointfreeco/swift-custom-dump
[1/5464] Fetching swift-custom-dump
[5465/80431] Fetching swift-custom-dump, swift-syntax
Fetched https://github.com/swiftlang/swift-syntax from cache (3.85s)
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (3.85s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.5.0 (4.45s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5723] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (1.31s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.0 (2.12s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (0.58s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.0
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.19.2
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.9.0
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.5.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip (0.32s)
========================================
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": "arrowview",
      "name": "ArrowView",
      "url": "https://github.com/bradhowes/ArrowView.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ArrowView",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swift-snapshot-testing",
          "name": "swift-snapshot-testing",
          "url": "https://github.com/pointfreeco/swift-snapshot-testing.git",
          "version": "1.19.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-snapshot-testing",
          "traits": [
            "default"
          ],
          "dependencies": [
            {
              "identity": "swift-custom-dump",
              "name": "swift-custom-dump",
              "url": "https://github.com/pointfreeco/swift-custom-dump",
              "version": "1.5.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-custom-dump",
              "traits": [
                "default"
              ],
              "dependencies": [
                {
                  "identity": "xctest-dynamic-overlay",
                  "name": "xctest-dynamic-overlay",
                  "url": "https://github.com/pointfreeco/xctest-dynamic-overlay",
                  "version": "1.9.0",
                  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/xctest-dynamic-overlay",
                  "traits": [
                    "default"
                  ],
                  "dependencies": [
                  ]
                }
              ]
            },
            {
              "identity": "swift-syntax",
              "name": "swift-syntax",
              "url": "https://github.com/swiftlang/swift-syntax",
              "version": "603.0.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-syntax",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/bradhowes/ArrowView.git
[1/174] Fetching arrowview
Fetched https://github.com/bradhowes/ArrowView.git from cache (0.91s)
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git from cache
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git from cache (0.51s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.19.2 (0.60s)
Fetching https://github.com/pointfreeco/swift-custom-dump from cache
Fetching https://github.com/swiftlang/swift-syntax from cache
Fetched https://github.com/swiftlang/swift-syntax from cache (0.89s)
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (0.89s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.5.0 (0.98s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay from cache
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.47s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.0 (0.54s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (0.05s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.0
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.9.0
Creating working copy for https://github.com/bradhowes/ArrowView.git
Working copy of https://github.com/bradhowes/ArrowView.git resolved at main (91d194c)
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.5.0
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.19.2
warning: '.resolve-product-dependencies': dependency 'arrowview' is not used by any target
Found 1 product dependencies
  - swift-snapshot-testing
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/bradhowes/ArrowView.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--6988338F2F200930.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module ArrowView
/Users/admin/builder/spi-builder-workspace/Sources/ArrowView/ArrowView.swift:3:8: error: no such module 'UIKit'
  1 | // Copyright © 2021 Brad Howes. All rights reserved.
  2 |
  3 | import UIKit
    |        `- error: no such module 'UIKit'
  4 |
  5 | /**
[4/4] Compiling ArrowView ArrowView.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArrowView/ArrowView.swift:3:8: error: no such module 'UIKit'
  1 | // Copyright © 2021 Brad Howes. All rights reserved.
  2 |
  3 | import UIKit
    |        `- error: no such module 'UIKit'
  4 |
  5 | /**
BUILD FAILURE 6.3 macosSpm