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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 swift-inotify, reference main (c96d4e), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 12:55:36 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sersoft-gmbh/swift-inotify.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sersoft-gmbh/swift-inotify
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c96d4e0 Bump github.com/apple/swift-system from 1.4.1 to 1.4.2
Cloned https://github.com/sersoft-gmbh/swift-inotify.git
Revision (git rev-parse @):
c96d4e033b8040d85ff7ce470e71356d6cc7cce4
SUCCESS checkout https://github.com/sersoft-gmbh/swift-inotify.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/sersoft-gmbh/swift-inotify.git
https://github.com/sersoft-gmbh/swift-inotify.git
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    },
    {
      "identity" : "swift-system",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-system"
    },
    {
      "identity" : "swift-filestreamer",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.9.0",
            "upper_bound" : "0.10.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/sersoft-gmbh/swift-filestreamer"
    }
  ],
  "manifest_display_name" : "swift-inotify",
  "name" : "swift-inotify",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "Inotify",
      "targets" : [
        "Inotify"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "InotifyTests",
      "module_type" : "SwiftTarget",
      "name" : "InotifyTests",
      "path" : "Tests/InotifyTests",
      "sources" : [
        "InotifyTests.swift"
      ],
      "target_dependencies" : [
        "Inotify"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Inotify",
      "module_type" : "SwiftTarget",
      "name" : "Inotify",
      "path" : "Sources/Inotify",
      "product_dependencies" : [
        "SystemPackage",
        "FileStreamer"
      ],
      "product_memberships" : [
        "Inotify"
      ],
      "sources" : [
        "Inotifier.swift",
        "InotifyEvent.swift"
      ],
      "target_dependencies" : [
        "CInotify"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CInotify",
      "module_type" : "SystemLibraryTarget",
      "name" : "CInotify",
      "path" : "Sources/CInotify",
      "product_memberships" : [
        "Inotify"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "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
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/7] Write sources
[5/7] Compiling CSystem shims.c
[6/7] Write swift-version-2F0A5646E1D333AE.txt
[8/35] Emitting module SystemPackage
[9/38] Compiling SystemPackage Util+StringArray.swift
[10/38] Compiling SystemPackage Util.swift
[11/38] Compiling SystemPackage UtilConsumers.swift
[12/38] Compiling SystemPackage Errno.swift
[13/38] Compiling SystemPackage ErrnoWindows.swift
[14/38] Compiling SystemPackage FileDescriptor.swift
[15/38] Compiling SystemPackage FilePathString.swift
[16/38] Compiling SystemPackage FilePathSyntax.swift
[17/38] Compiling SystemPackage FilePathTemp.swift
[18/38] Compiling SystemPackage FileHelpers.swift
[19/38] Compiling SystemPackage FileOperations.swift
[20/38] Compiling SystemPackage FilePath.swift
[21/38] Compiling SystemPackage FilePermissions.swift
[22/38] Compiling SystemPackage Backcompat.swift
[23/38] Compiling SystemPackage CInterop.swift
[24/38] Compiling SystemPackage RawBuffer.swift
[25/38] Compiling SystemPackage Syscalls.swift
[26/38] Compiling SystemPackage WindowsSyscallAdapters.swift
[27/38] Compiling SystemPackage FilePathComponentView.swift
[28/38] Compiling SystemPackage FilePathComponents.swift
[29/38] Compiling SystemPackage FilePathParsing.swift
[30/38] Compiling SystemPackage Constants.swift
[31/38] Compiling SystemPackage Exports.swift
[32/38] Compiling SystemPackage Mocking.swift
[33/38] Compiling SystemPackage FilePathTempPosix.swift
[34/38] Compiling SystemPackage FilePathTempWindows.swift
[35/38] Compiling SystemPackage FilePathWindows.swift
[36/38] Compiling SystemPackage MachPort.swift
[37/38] Compiling SystemPackage PlatformString.swift
[38/38] Compiling SystemPackage SystemString.swift
[39/40] Compiling FileStreamer FileStream.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[40/40] Emitting module FileStreamer
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[41/43] Compiling Inotify InotifyEvent.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shims.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/Sources/CInotify/shims.h:6:10: error: 'sys/inotify.h' file not found
 4 | #include <stdio.h>
 5 | #include <stdint.h>
 6 | #include <sys/inotify.h>
   |          `- error: 'sys/inotify.h' file not found
 7 |
 8 | typedef struct inotify_event cinotify_event;
/Users/admin/builder/spi-builder-workspace/Sources/Inotify/Inotifier.swift:15:17: error: could not build Objective-C module 'CInotify'
 13 | public import SystemPackage
 14 | fileprivate import FileStreamer
 15 | internal import CInotify
    |                 `- error: could not build Objective-C module 'CInotify'
 16 |
 17 | /// The notifier object.
error: emit-module command failed with exit code 1 (use -v to see invocation)
[42/43] Emitting module Inotify
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shims.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/Sources/CInotify/shims.h:6:10: error: 'sys/inotify.h' file not found
 4 | #include <stdio.h>
 5 | #include <stdint.h>
 6 | #include <sys/inotify.h>
   |          `- error: 'sys/inotify.h' file not found
 7 |
 8 | typedef struct inotify_event cinotify_event;
/Users/admin/builder/spi-builder-workspace/Sources/Inotify/Inotifier.swift:15:17: error: could not build Objective-C module 'CInotify'
 13 | public import SystemPackage
 14 | fileprivate import FileStreamer
 15 | internal import CInotify
    |                 `- error: could not build Objective-C module 'CInotify'
 16 |
 17 | /// The notifier object.
[43/43] Compiling Inotify Inotifier.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shims.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/Sources/CInotify/shims.h:6:10: error: 'sys/inotify.h' file not found
 4 | #include <stdio.h>
 5 | #include <stdint.h>
 6 | #include <sys/inotify.h>
   |          `- error: 'sys/inotify.h' file not found
 7 |
 8 | typedef struct inotify_event cinotify_event;
/Users/admin/builder/spi-builder-workspace/Sources/Inotify/Inotifier.swift:15:17: error: could not build Objective-C module 'CInotify'
 13 | public import SystemPackage
 14 | fileprivate import FileStreamer
 15 | internal import CInotify
    |                 `- error: could not build Objective-C module 'CInotify'
 16 |
 17 | /// The notifier object.
Fetching https://github.com/sersoft-gmbh/swift-filestreamer
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/apple/swift-system from cache
[1/1534] Fetching swift-filestreamer
[32/3583] Fetching swift-filestreamer, swift-docc-plugin
Fetched https://github.com/sersoft-gmbh/swift-filestreamer from cache (0.99s)
[246/2049] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin from cache (1.11s)
Fetched https://github.com/apple/swift-system from cache (1.12s)
Computing version for https://github.com/sersoft-gmbh/swift-filestreamer
Computed https://github.com/sersoft-gmbh/swift-filestreamer at 0.9.0 (1.60s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.4.2 (0.44s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.3 (0.92s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit from cache
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.86s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.51s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.3
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/sersoft-gmbh/swift-filestreamer
Working copy of https://github.com/sersoft-gmbh/swift-filestreamer resolved at 0.9.0
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.4.2
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/31] Compiling SystemPackage Errno.swift
[5/31] Compiling SystemPackage ErrnoWindows.swift
[6/31] Compiling SystemPackage FileDescriptor.swift
[7/34] Emitting module SystemPackage
[8/34] Compiling SystemPackage Constants.swift
[9/34] Compiling SystemPackage Exports.swift
[10/34] Compiling SystemPackage Mocking.swift
[11/34] Compiling SystemPackage RawBuffer.swift
[12/34] Compiling SystemPackage Syscalls.swift
[13/34] Compiling SystemPackage WindowsSyscallAdapters.swift
[14/34] Compiling SystemPackage FileHelpers.swift
[15/34] Compiling SystemPackage FileOperations.swift
[16/34] Compiling SystemPackage FilePath.swift
[17/34] Compiling SystemPackage FilePathString.swift
[18/34] Compiling SystemPackage FilePathSyntax.swift
[19/34] Compiling SystemPackage FilePathTemp.swift
[20/34] Compiling SystemPackage MachPort.swift
[21/34] Compiling SystemPackage PlatformString.swift
[22/34] Compiling SystemPackage SystemString.swift
[23/34] Compiling SystemPackage FilePathTempPosix.swift
[24/34] Compiling SystemPackage FilePathTempWindows.swift
[25/34] Compiling SystemPackage FilePathWindows.swift
[26/34] Compiling SystemPackage Util+StringArray.swift
[27/34] Compiling SystemPackage Util.swift
[28/34] Compiling SystemPackage UtilConsumers.swift
[29/34] Compiling SystemPackage FilePermissions.swift
[30/34] Compiling SystemPackage Backcompat.swift
[31/34] Compiling SystemPackage CInterop.swift
[32/34] Compiling SystemPackage FilePathComponentView.swift
[33/34] Compiling SystemPackage FilePathComponents.swift
[34/34] Compiling SystemPackage FilePathParsing.swift
[35/36] Emitting module FileStreamer
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[36/36] Compiling FileStreamer FileStream.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
error: emit-module command failed with exit code 1 (use -v to see invocation)
[37/39] Emitting module Inotify
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shims.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/Sources/CInotify/shims.h:6:10: error: 'sys/inotify.h' file not found
 4 | #include <stdio.h>
 5 | #include <stdint.h>
 6 | #include <sys/inotify.h>
   |          `- error: 'sys/inotify.h' file not found
 7 |
 8 | typedef struct inotify_event cinotify_event;
/Users/admin/builder/spi-builder-workspace/Sources/Inotify/Inotifier.swift:15:17: error: could not build Objective-C module 'CInotify'
 13 | public import SystemPackage
 14 | fileprivate import FileStreamer
 15 | internal import CInotify
    |                 `- error: could not build Objective-C module 'CInotify'
 16 |
 17 | /// The notifier object.
[38/39] Compiling Inotify Inotifier.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shims.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/Sources/CInotify/shims.h:6:10: error: 'sys/inotify.h' file not found
 4 | #include <stdio.h>
 5 | #include <stdint.h>
 6 | #include <sys/inotify.h>
   |          `- error: 'sys/inotify.h' file not found
 7 |
 8 | typedef struct inotify_event cinotify_event;
/Users/admin/builder/spi-builder-workspace/Sources/Inotify/Inotifier.swift:15:17: error: could not build Objective-C module 'CInotify'
 13 | public import SystemPackage
 14 | fileprivate import FileStreamer
 15 | internal import CInotify
    |                 `- error: could not build Objective-C module 'CInotify'
 16 |
 17 | /// The notifier object.
[39/39] Compiling Inotify InotifyEvent.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shims.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/Sources/CInotify/shims.h:6:10: error: 'sys/inotify.h' file not found
 4 | #include <stdio.h>
 5 | #include <stdint.h>
 6 | #include <sys/inotify.h>
   |          `- error: 'sys/inotify.h' file not found
 7 |
 8 | typedef struct inotify_event cinotify_event;
/Users/admin/builder/spi-builder-workspace/Sources/Inotify/Inotifier.swift:15:17: error: could not build Objective-C module 'CInotify'
 13 | public import SystemPackage
 14 | fileprivate import FileStreamer
 15 | internal import CInotify
    |                 `- error: could not build Objective-C module 'CInotify'
 16 |
 17 | /// The notifier object.
BUILD FAILURE 6.1 macosSpm