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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 NetworkReachability, reference main (03703d), with Swift 6.0 for Linux on 30 Mar 2025 18:23:20 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/vsanthanam/NetworkReachability.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/vsanthanam/NetworkReachability
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 03703db Adding pods support (#53)
Cloned https://github.com/vsanthanam/NetworkReachability.git
Revision (git rev-parse @):
03703db60ed79ce7b022067b49f710cfbc3c4739
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/vsanthanam/NetworkReachability.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/vsanthanam/NetworkReachability.git
https://github.com/vsanthanam/NetworkReachability.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "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" : "swiftformat",
      "requirement" : {
        "exact" : [
          "0.53.5"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/nicklockwood/SwiftFormat"
    }
  ],
  "manifest_display_name" : "NetworkReachability",
  "name" : "NetworkReachability",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "macos",
      "version" : "10.14"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "NetworkReachability",
      "targets" : [
        "NetworkReachability"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NetworkReachabilityTests",
      "module_type" : "SwiftTarget",
      "name" : "NetworkReachabilityTests",
      "path" : "Tests/NetworkReachabilityTests",
      "sources" : [
        "NetworkMonitorCombineTests.swift",
        "NetworkMonitorConcurrencyTests.swift",
        "NetworkMonitorTests.swift"
      ],
      "target_dependencies" : [
        "NetworkReachability"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NetworkReachability",
      "module_type" : "SwiftTarget",
      "name" : "NetworkReachability",
      "path" : "Sources/NetworkReachability",
      "product_memberships" : [
        "NetworkReachability"
      ],
      "sources" : [
        "API/Extensions/NotificationExtensions.swift",
        "API/Extensions/PublishersExtensions.swift",
        "API/NetworkMonitor/NetworkMonitor+Combine.swift",
        "API/NetworkMonitor/NetworkMonitor+Concurrency.swift",
        "API/NetworkMonitor/NetworkMonitor+Notification.swift",
        "API/NetworkMonitor/NetworkMonitor.swift",
        "API/NetworkMonitor/NetworkMonitorDelegate.swift",
        "Internal/DispatchQueue+NetworkReachability.swift",
        "Internal/WeakReference.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/nicklockwood/SwiftFormat
[1/2050] Fetching swift-docc-plugin
[2051/48628] Fetching swift-docc-plugin, swiftformat
Fetched https://github.com/apple/swift-docc-plugin from cache (27.10s)
Fetched https://github.com/nicklockwood/SwiftFormat from cache (27.81s)
Computing version for https://github.com/nicklockwood/SwiftFormat
Computed https://github.com/nicklockwood/SwiftFormat at 0.53.5 (2.64s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.3 (0.78s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3349] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.39s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (4.35s)
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/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/nicklockwood/SwiftFormat
Working copy of https://github.com/nicklockwood/SwiftFormat resolved at 0.53.5
[1/1] Compiling plugin Swift-DocC
[2/2] Compiling plugin Swift-DocC Preview
[3/3] Compiling plugin SwiftFormatPlugin
Building for debugging...
[3/5] Write sources
[4/5] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/14] Emitting module NetworkReachability
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[7/14] Compiling NetworkReachability NotificationExtensions.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[8/14] Compiling NetworkReachability PublishersExtensions.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[9/15] Compiling NetworkReachability NetworkMonitor+Notification.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[10/15] Compiling NetworkReachability NetworkMonitor+Combine.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[11/15] Compiling NetworkReachability NetworkMonitor+Concurrency.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[12/15] Compiling NetworkReachability NetworkMonitor.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[13/15] Compiling NetworkReachability NetworkMonitorDelegate.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[14/15] Compiling NetworkReachability DispatchQueue+NetworkReachability.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[15/15] Compiling NetworkReachability WeakReference.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
[0/1] Planning build
[1/1] Compiling plugin Swift-DocC
[2/2] Compiling plugin Swift-DocC Preview
[3/3] Compiling plugin SwiftFormatPlugin
Building for debugging...
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/13] Compiling NetworkReachability NetworkMonitor+Concurrency.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/14] Emitting module NetworkReachability
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[7/14] Compiling NetworkReachability NotificationExtensions.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[8/14] Compiling NetworkReachability PublishersExtensions.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[9/14] Compiling NetworkReachability DispatchQueue+NetworkReachability.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[10/14] Compiling NetworkReachability NetworkMonitor+Combine.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[11/14] Compiling NetworkReachability NetworkMonitorDelegate.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[12/14] Compiling NetworkReachability NetworkMonitor.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[13/14] Compiling NetworkReachability NetworkMonitor+Notification.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
[14/14] Compiling NetworkReachability WeakReference.swift
/host/spi-builder-workspace/Sources/NetworkReachability/API/NetworkMonitor/NetworkMonitor+Concurrency.swift:26:8: error: no such module 'Network'
24 | // SOFTWARE.
25 |
26 | import Network
   |        `- error: no such module 'Network'
27 |
28 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
BUILD FAILURE 6.0 linux