The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build ResizingTextView, reference main (fc6975), with Swift 6.1 for macOS (SPM) on 19 Sep 2025 20:26:59 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.67.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mshibanami/ResizingTextView.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mshibanami/ResizingTextView
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at fc69756 Fix that the content offset is sometimes at the bottom
Cloned https://github.com/mshibanami/ResizingTextView.git
Revision (git rev-parse @):
fc69756d54d8304b653b8fa13ecfbd483f88276e
SUCCESS checkout https://github.com/mshibanami/ResizingTextView.git at main
========================================
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": "resizingtextview",
      "name": "ResizingTextView",
      "url": "https://github.com/mshibanami/ResizingTextView.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ResizingTextView",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/mshibanami/ResizingTextView.git
[1/617] Fetching resizingtextview
Fetched https://github.com/mshibanami/ResizingTextView.git from cache (0.79s)
Creating working copy for https://github.com/mshibanami/ResizingTextView.git
Working copy of https://github.com/mshibanami/ResizingTextView.git resolved at main (fc69756)
warning: '.resolve-product-dependencies': dependency 'resizingtextview' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/mshibanami/ResizingTextView.git
https://github.com/mshibanami/ResizingTextView.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ResizingTextView",
  "name" : "ResizingTextView",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "ResizingTextView",
      "targets" : [
        "ResizingTextView"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ResizingTextViewTests",
      "module_type" : "SwiftTarget",
      "name" : "ResizingTextViewTests",
      "path" : "Tests/ResizingTextViewTests",
      "sources" : [
        "ResizingTextViewTests.swift"
      ],
      "target_dependencies" : [
        "ResizingTextView"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ResizingTextView",
      "module_type" : "SwiftTarget",
      "name" : "ResizingTextView",
      "path" : "Sources/ResizingTextView",
      "product_memberships" : [
        "ResizingTextView"
      ],
      "sources" : [
        "CrossPlatformAliases.swift",
        "ResizingTextView.swift",
        "TextView (AppKit).swift",
        "TextView (UIKit).swift",
        "View+Extensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
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
[3/8] Compiling ResizingTextView View+Extensions.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/8] Compiling ResizingTextView TextView (UIKit).swift
[5/8] Compiling ResizingTextView CrossPlatformAliases.swift
[6/8] Compiling ResizingTextView TextView (AppKit).swift
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/TextView (AppKit).swift:205:18: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
203 |             // The `textDidChange()` delegate method is not called when the view is not focused AND the text is changed by undo/redo.
204 |             // This code is a fallback for when it happens.
205 |             Task { [weak self] in
    |                  `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
206 |                 guard let self,
    |                           `- note: closure captures 'self' which is accessible to code in the current task
207 |                       let nsView,
208 |                       let window = await nsView.window,
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/TextView (AppKit).swift:213:23: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
211 |                     return
212 |                 }
213 |                 await updateTextView()
    |                       |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
    |                       `- note: sending task-isolated 'self' to main actor-isolated instance method 'updateTextView()' risks causing data races between main actor-isolated and task-isolated uses
214 |             }
215 |         }
[7/8] Emitting module ResizingTextView
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/ResizingTextView.swift:7:50: error: unknown attribute 'MainActor'
  5 | import SwiftUI
  6 |
  7 | @MainActor public struct ResizingTextView: View, @MainActor Equatable {
    |                                                  `- error: unknown attribute 'MainActor'
  8 | #if canImport(AppKit)
  9 |     @Environment(\.controlActiveState) private var controlActiveState
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/ResizingTextView.swift:253:24: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; this is an error in the Swift 6 language mode
  5 | import SwiftUI
  6 |
  7 | @MainActor public struct ResizingTextView: View, @MainActor Equatable {
    |                                                             `- note: add '@preconcurrency' to the 'Equatable' conformance to defer isolation checking to run time
  8 | #if canImport(AppKit)
  9 |     @Environment(\.controlActiveState) private var controlActiveState
    :
251 |     }
252 |
253 |     public static func == (lhs: ResizingTextView, rhs: ResizingTextView) -> Bool {
    |                        |- warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; this is an error in the Swift 6 language mode
    |                        `- note: add 'nonisolated' to '==' to make this operator function not isolated to the actor
254 |         var result = lhs.text == rhs.text
255 |             && lhs.placeholder == rhs.placeholder
[8/8] Compiling ResizingTextView ResizingTextView.swift
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/ResizingTextView.swift:7:50: error: unknown attribute 'MainActor'
  5 | import SwiftUI
  6 |
  7 | @MainActor public struct ResizingTextView: View, @MainActor Equatable {
    |                                                  `- error: unknown attribute 'MainActor'
  8 | #if canImport(AppKit)
  9 |     @Environment(\.controlActiveState) private var controlActiveState
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/ResizingTextView.swift:253:24: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; this is an error in the Swift 6 language mode
  5 | import SwiftUI
  6 |
  7 | @MainActor public struct ResizingTextView: View, @MainActor Equatable {
    |                                                             `- note: add '@preconcurrency' to the 'Equatable' conformance to defer isolation checking to run time
  8 | #if canImport(AppKit)
  9 |     @Environment(\.controlActiveState) private var controlActiveState
    :
251 |     }
252 |
253 |     public static func == (lhs: ResizingTextView, rhs: ResizingTextView) -> Bool {
    |                        |- warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; this is an error in the Swift 6 language mode
    |                        `- note: add 'nonisolated' to '==' to make this operator function not isolated to the actor
254 |         var result = lhs.text == rhs.text
255 |             && lhs.placeholder == rhs.placeholder
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 ResizingTextView TextView (UIKit).swift
[3/7] Compiling ResizingTextView View+Extensions.swift
[4/7] Compiling ResizingTextView ResizingTextView.swift
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/ResizingTextView.swift:7:50: error: unknown attribute 'MainActor'
  5 | import SwiftUI
  6 |
  7 | @MainActor public struct ResizingTextView: View, @MainActor Equatable {
    |                                                  `- error: unknown attribute 'MainActor'
  8 | #if canImport(AppKit)
  9 |     @Environment(\.controlActiveState) private var controlActiveState
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/ResizingTextView.swift:253:24: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; this is an error in the Swift 6 language mode
  5 | import SwiftUI
  6 |
  7 | @MainActor public struct ResizingTextView: View, @MainActor Equatable {
    |                                                             `- note: add '@preconcurrency' to the 'Equatable' conformance to defer isolation checking to run time
  8 | #if canImport(AppKit)
  9 |     @Environment(\.controlActiveState) private var controlActiveState
    :
251 |     }
252 |
253 |     public static func == (lhs: ResizingTextView, rhs: ResizingTextView) -> Bool {
    |                        |- warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; this is an error in the Swift 6 language mode
    |                        `- note: add 'nonisolated' to '==' to make this operator function not isolated to the actor
254 |         var result = lhs.text == rhs.text
255 |             && lhs.placeholder == rhs.placeholder
[5/7] Compiling ResizingTextView CrossPlatformAliases.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/7] Compiling ResizingTextView TextView (AppKit).swift
[7/7] Emitting module ResizingTextView
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/ResizingTextView.swift:7:50: error: unknown attribute 'MainActor'
  5 | import SwiftUI
  6 |
  7 | @MainActor public struct ResizingTextView: View, @MainActor Equatable {
    |                                                  `- error: unknown attribute 'MainActor'
  8 | #if canImport(AppKit)
  9 |     @Environment(\.controlActiveState) private var controlActiveState
/Users/admin/builder/spi-builder-workspace/Sources/ResizingTextView/ResizingTextView.swift:253:24: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; this is an error in the Swift 6 language mode
  5 | import SwiftUI
  6 |
  7 | @MainActor public struct ResizingTextView: View, @MainActor Equatable {
    |                                                             `- note: add '@preconcurrency' to the 'Equatable' conformance to defer isolation checking to run time
  8 | #if canImport(AppKit)
  9 |     @Environment(\.controlActiveState) private var controlActiveState
    :
251 |     }
252 |
253 |     public static func == (lhs: ResizingTextView, rhs: ResizingTextView) -> Bool {
    |                        |- warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; this is an error in the Swift 6 language mode
    |                        `- note: add 'nonisolated' to '==' to make this operator function not isolated to the actor
254 |         var result = lhs.text == rhs.text
255 |             && lhs.placeholder == rhs.placeholder
BUILD FAILURE 6.1 macosSpm