Swift Package Index

Build Information

Failed to build MFMailComposeWrapper, reference master (3bc824), with Swift 6.1 for macOS (SPM) on 11 Aug 2026 15:23:59 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/moslienko/MFMailComposeWrapper.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/moslienko/MFMailComposeWrapper
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3bc8242 Update README.md
Cloned https://github.com/moslienko/MFMailComposeWrapper.git
Revision (git rev-parse @):
3bc8242203231d40fd5cc2cd1a658f145813d5f3
SUCCESS checkout https://github.com/moslienko/MFMailComposeWrapper.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/moslienko/MFMailComposeWrapper.git
https://github.com/moslienko/MFMailComposeWrapper.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "MFMailComposeWrapper",
  "name" : "MFMailComposeWrapper",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    }
  ],
  "products" : [
    {
      "name" : "MFMailComposeWrapper",
      "targets" : [
        "MFMailComposeWrapper"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MFMailComposeWrapperTests",
      "module_type" : "SwiftTarget",
      "name" : "MFMailComposeWrapperTests",
      "path" : "Tests",
      "sources" : [
        "LinuxMain.swift",
        "MFMailComposeWrapperTests.swift"
      ],
      "target_dependencies" : [
        "MFMailComposeWrapper"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MFMailComposeWrapper",
      "module_type" : "SwiftTarget",
      "name" : "MFMailComposeWrapper",
      "path" : "Sources",
      "product_memberships" : [
        "MFMailComposeWrapper"
      ],
      "sources" : [
        "MFMailComposeWrapper.swift",
        "MailApp.swift",
        "Model/MFMailData.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/6] Compiling MFMailComposeWrapper MFMailData.swift
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: no such module 'MessageUI'
 8 |
 9 | @_exported import Foundation
10 | import MessageUI
   |        `- error: no such module 'MessageUI'
11 | import UIKit
12 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/6] Emitting module MFMailComposeWrapper
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: no such module 'MessageUI'
 8 |
 9 | @_exported import Foundation
10 | import MessageUI
   |        `- error: no such module 'MessageUI'
11 | import UIKit
12 |
[5/6] Compiling MFMailComposeWrapper MFMailComposeWrapper.swift
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: no such module 'MessageUI'
 8 |
 9 | @_exported import Foundation
10 | import MessageUI
   |        `- error: no such module 'MessageUI'
11 | import UIKit
12 |
[6/6] Compiling MFMailComposeWrapper MailApp.swift
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: no such module 'MessageUI'
 8 |
 9 | @_exported import Foundation
10 | import MessageUI
   |        `- error: no such module 'MessageUI'
11 | import UIKit
12 |
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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/5] Emitting module MFMailComposeWrapper
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: no such module 'MessageUI'
 8 |
 9 | @_exported import Foundation
10 | import MessageUI
   |        `- error: no such module 'MessageUI'
11 | import UIKit
12 |
[3/5] Compiling MFMailComposeWrapper MFMailComposeWrapper.swift
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: no such module 'MessageUI'
 8 |
 9 | @_exported import Foundation
10 | import MessageUI
   |        `- error: no such module 'MessageUI'
11 | import UIKit
12 |
[4/5] Compiling MFMailComposeWrapper MailApp.swift
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: no such module 'MessageUI'
 8 |
 9 | @_exported import Foundation
10 | import MessageUI
   |        `- error: no such module 'MessageUI'
11 | import UIKit
12 |
[5/5] Compiling MFMailComposeWrapper MFMailData.swift
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: no such module 'MessageUI'
 8 |
 9 | @_exported import Foundation
10 | import MessageUI
   |        `- error: no such module 'MessageUI'
11 | import UIKit
12 |
BUILD FAILURE 6.1 macosSpm