The Swift Package Index logo.Swift Package Index

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 MultiPicker, reference main (2201cb), with Swift 6.1 for macOS (SPM) on 5 May 2025 05:54:40 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/toastersocks/MultiPicker.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/toastersocks/MultiPicker
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 2201cb0 Fix errors building with Swift compiler versions < 6.0
Cloned https://github.com/toastersocks/MultiPicker.git
Revision (git rev-parse @):
2201cb04de77147778b351b71fcda030fb7ac6a2
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/toastersocks/MultiPicker.git at main
Fetching https://github.com/toastersocks/Helpers.git
Fetching https://github.com/toastersocks/Flow.git
[1/334] Fetching flow
[232/443] Fetching flow, helpers
Fetched https://github.com/toastersocks/Helpers.git from cache (0.59s)
[234/334] Fetching flow
Fetched https://github.com/toastersocks/Flow.git from cache (0.80s)
Computing version for https://github.com/toastersocks/Flow.git
Computed https://github.com/toastersocks/Flow.git at 1.2.3 (1.30s)
Computing version for https://github.com/toastersocks/Helpers.git
Computed https://github.com/toastersocks/Helpers.git at 0.7.0 (0.99s)
Creating working copy for https://github.com/toastersocks/Flow.git
Working copy of https://github.com/toastersocks/Flow.git resolved at 1.2.3
Creating working copy for https://github.com/toastersocks/Helpers.git
Working copy of https://github.com/toastersocks/Helpers.git resolved at 0.7.0
========================================
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": "multipicker",
      "name": "MultiPicker",
      "url": "https://github.com/toastersocks/MultiPicker.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/MultiPicker",
      "dependencies": [
        {
          "identity": "helpers",
          "name": "Helpers",
          "url": "https://github.com/toastersocks/Helpers.git",
          "version": "0.7.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Helpers",
          "dependencies": [
          ]
        },
        {
          "identity": "flow",
          "name": "Flow",
          "url": "https://github.com/toastersocks/Flow.git",
          "version": "1.2.3",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Flow",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/toastersocks/MultiPicker.git
[9/439] Fetching multipicker
Fetched https://github.com/toastersocks/MultiPicker.git from cache (0.97s)
Fetching https://github.com/toastersocks/Helpers.git from cache
Fetching https://github.com/toastersocks/Flow.git from cache
Fetched https://github.com/toastersocks/Flow.git from cache (0.45s)
Fetched https://github.com/toastersocks/Helpers.git from cache (0.45s)
Computing version for https://github.com/toastersocks/Flow.git
Computed https://github.com/toastersocks/Flow.git at 1.2.3 (0.50s)
Computing version for https://github.com/toastersocks/Helpers.git
Computed https://github.com/toastersocks/Helpers.git at 0.7.0 (0.03s)
Creating working copy for https://github.com/toastersocks/Flow.git
Working copy of https://github.com/toastersocks/Flow.git resolved at 1.2.3
Creating working copy for https://github.com/toastersocks/MultiPicker.git
Working copy of https://github.com/toastersocks/MultiPicker.git resolved at main (2201cb0)
Creating working copy for https://github.com/toastersocks/Helpers.git
Working copy of https://github.com/toastersocks/Helpers.git resolved at 0.7.0
warning: '.resolve-product-dependencies': dependency 'multipicker' is not used by any target
Found 2 product dependencies
  - Helpers
  - Flow
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/toastersocks/MultiPicker.git
https://github.com/toastersocks/MultiPicker.git
{
  "dependencies" : [
    {
      "identity" : "helpers",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/toastersocks/Helpers.git"
    },
    {
      "identity" : "flow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.3",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/toastersocks/Flow.git"
    }
  ],
  "manifest_display_name" : "MultiPicker",
  "name" : "MultiPicker",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "MultiPicker",
      "targets" : [
        "MultiPicker"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MultiPickerTests",
      "module_type" : "SwiftTarget",
      "name" : "MultiPickerTests",
      "path" : "Tests/MultiPickerTests",
      "sources" : [
        "MultiPickerTests.swift"
      ],
      "target_dependencies" : [
        "MultiPicker"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MultiPicker",
      "module_type" : "SwiftTarget",
      "name" : "MultiPicker",
      "path" : "Sources/MultiPicker",
      "product_dependencies" : [
        "Helpers",
        "Flow"
      ],
      "product_memberships" : [
        "MultiPicker"
      ],
      "sources" : [
        "Development Assets/PreviewSupport.swift",
        "MultiPicker.swift",
        "SupportingTypes.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/15] Compiling Helpers Variadic.swift
[6/15] Compiling Helpers Extensions.swift
[7/15] Compiling Helpers PreviewHelpers.swift
[8/15] Compiling Helpers Combine+.swift
[9/15] Compiling Helpers Backport.swift
[10/15] Compiling Helpers Backports.swift
[11/15] Emitting module Helpers
[12/15] Compiling Flow Flow.swift
[13/15] Compiling Flow PreviewCode.swift
[14/15] Emitting module Flow
[15/15] Compiling Flow SupportingTypes.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[16/19] Compiling MultiPicker PreviewSupport.swift
[17/19] Compiling MultiPicker SupportingTypes.swift
[18/19] Emitting module MultiPicker
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:6:8: error: macOS not currently supported
  4 |
  5 | #if os(macOS)
  6 | #error("macOS not currently supported")
    |        `- error: macOS not currently supported
  7 | #endif
  8 |
[19/19] Compiling MultiPicker MultiPicker.swift
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:6:8: error: macOS not currently supported
  4 |
  5 | #if os(macOS)
  6 | #error("macOS not currently supported")
    |        `- error: macOS not currently supported
  7 | #endif
  8 |
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:470:35: error: 'navigationLink' is unavailable in macOS
468 |                         }
469 |                     }
470 |                     .pickerStyle(.navigationLink)
    |                                   `- error: 'navigationLink' is unavailable in macOS
471 |                     #if !os(macOS)
472 |                     //                .pickerStyle(.navigationLink)
SwiftUI.PickerStyle.navigationLink:2:19: note: 'navigationLink' has been explicitly marked unavailable here
1 | protocol PickerStyle {
2 | public static var navigationLink: NavigationLinkPickerStyle { get }}
  |                   `- note: 'navigationLink' has been explicitly marked unavailable here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:531:35: error: 'navigationLink' is unavailable in macOS
529 |                         }
530 |                     }
531 |                     .pickerStyle(.navigationLink)
    |                                   `- error: 'navigationLink' is unavailable in macOS
532 | #if !os(macOS)
533 |                     //                .pickerStyle(.navigationLink)
SwiftUI.PickerStyle.navigationLink:2:19: note: 'navigationLink' has been explicitly marked unavailable here
1 | protocol PickerStyle {
2 | public static var navigationLink: NavigationLinkPickerStyle { get }}
  |                   `- note: 'navigationLink' has been explicitly marked unavailable here
3 |
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
[2/12] Compiling Helpers Variadic.swift
[3/12] Compiling Helpers Extensions.swift
[4/12] Compiling Helpers Backport.swift
[5/12] Emitting module Helpers
[6/12] Compiling Helpers Combine+.swift
[7/12] Compiling Helpers PreviewHelpers.swift
[8/12] Compiling Helpers Backports.swift
[9/12] Compiling Flow PreviewCode.swift
[10/12] Compiling Flow SupportingTypes.swift
[11/12] Emitting module Flow
[12/12] Compiling Flow Flow.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[13/16] Compiling MultiPicker PreviewSupport.swift
[14/16] Compiling MultiPicker SupportingTypes.swift
[15/16] Compiling MultiPicker MultiPicker.swift
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:6:8: error: macOS not currently supported
  4 |
  5 | #if os(macOS)
  6 | #error("macOS not currently supported")
    |        `- error: macOS not currently supported
  7 | #endif
  8 |
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:470:35: error: 'navigationLink' is unavailable in macOS
468 |                         }
469 |                     }
470 |                     .pickerStyle(.navigationLink)
    |                                   `- error: 'navigationLink' is unavailable in macOS
471 |                     #if !os(macOS)
472 |                     //                .pickerStyle(.navigationLink)
SwiftUI.PickerStyle.navigationLink:2:19: note: 'navigationLink' has been explicitly marked unavailable here
1 | protocol PickerStyle {
2 | public static var navigationLink: NavigationLinkPickerStyle { get }}
  |                   `- note: 'navigationLink' has been explicitly marked unavailable here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:531:35: error: 'navigationLink' is unavailable in macOS
529 |                         }
530 |                     }
531 |                     .pickerStyle(.navigationLink)
    |                                   `- error: 'navigationLink' is unavailable in macOS
532 | #if !os(macOS)
533 |                     //                .pickerStyle(.navigationLink)
SwiftUI.PickerStyle.navigationLink:2:19: note: 'navigationLink' has been explicitly marked unavailable here
1 | protocol PickerStyle {
2 | public static var navigationLink: NavigationLinkPickerStyle { get }}
  |                   `- note: 'navigationLink' has been explicitly marked unavailable here
3 |
[16/16] Emitting module MultiPicker
/Users/admin/builder/spi-builder-workspace/Sources/MultiPicker/MultiPicker.swift:6:8: error: macOS not currently supported
  4 |
  5 | #if os(macOS)
  6 | #error("macOS not currently supported")
    |        `- error: macOS not currently supported
  7 | #endif
  8 |
BUILD FAILURE 6.1 macosSpm