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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

Successful build of Swiplot, reference master (b79d49), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 21:19:44 UTC.

Swift 6 data race errors: 7

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/t-ae/swiplot.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/t-ae/swiplot
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at b79d49c Update for Swift4
Cloned https://github.com/t-ae/swiplot.git
Revision (git rev-parse @):
b79d49c76c54637a3a4cea8e7e22d26fc5cf8bd7
SUCCESS checkout https://github.com/t-ae/swiplot.git at master
========================================
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": "swiplot",
      "name": "Swiplot",
      "url": "https://github.com/t-ae/swiplot.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swiplot",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/t-ae/swiplot.git
[1/103] Fetching swiplot
Fetched https://github.com/t-ae/swiplot.git from cache (0.57s)
Creating working copy for https://github.com/t-ae/swiplot.git
Working copy of https://github.com/t-ae/swiplot.git resolved at master (b79d49c)
warning: '.resolve-product-dependencies': dependency 'swiplot' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/t-ae/swiplot.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/10] Compiling Swiplot SingleLine.swift
[4/10] Compiling Swiplot Graph.swift
[5/10] Compiling Swiplot Graph3D.swift
[6/10] Compiling Swiplot Color.swift
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:14:16: warning: static property 'red' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
12 |
13 | extension Color {
14 |     static let red = Color("red")
   |                |- warning: static property 'red' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'red' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |     static let green = Color("green")
16 |     static let blue = Color("blue")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:15:16: warning: static property 'green' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
13 | extension Color {
14 |     static let red = Color("red")
15 |     static let green = Color("green")
   |                |- warning: static property 'green' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'green' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
16 |     static let blue = Color("blue")
17 |     static let black = Color("black")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:16:16: warning: static property 'blue' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
14 |     static let red = Color("red")
15 |     static let green = Color("green")
16 |     static let blue = Color("blue")
   |                |- warning: static property 'blue' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'blue' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
17 |     static let black = Color("black")
18 |     static let cyan = Color("cyan")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:17:16: warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
15 |     static let green = Color("green")
16 |     static let blue = Color("blue")
17 |     static let black = Color("black")
   |                |- warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'black' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |     static let cyan = Color("cyan")
19 |     static let magenta = Color("magenta")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:18:16: warning: static property 'cyan' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
16 |     static let blue = Color("blue")
17 |     static let black = Color("black")
18 |     static let cyan = Color("cyan")
   |                |- warning: static property 'cyan' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'cyan' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |     static let magenta = Color("magenta")
20 |     static let yellow = Color("yellow")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:19:16: warning: static property 'magenta' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
17 |     static let black = Color("black")
18 |     static let cyan = Color("cyan")
19 |     static let magenta = Color("magenta")
   |                |- warning: static property 'magenta' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'magenta' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
20 |     static let yellow = Color("yellow")
21 | }
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:20:16: warning: static property 'yellow' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
18 |     static let cyan = Color("cyan")
19 |     static let magenta = Color("magenta")
20 |     static let yellow = Color("yellow")
   |                |- warning: static property 'yellow' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'yellow' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
21 | }
22 |
[7/10] Emitting module Swiplot
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:14:16: warning: static property 'red' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
12 |
13 | extension Color {
14 |     static let red = Color("red")
   |                |- warning: static property 'red' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'red' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |     static let green = Color("green")
16 |     static let blue = Color("blue")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:15:16: warning: static property 'green' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
13 | extension Color {
14 |     static let red = Color("red")
15 |     static let green = Color("green")
   |                |- warning: static property 'green' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'green' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
16 |     static let blue = Color("blue")
17 |     static let black = Color("black")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:16:16: warning: static property 'blue' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
14 |     static let red = Color("red")
15 |     static let green = Color("green")
16 |     static let blue = Color("blue")
   |                |- warning: static property 'blue' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'blue' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
17 |     static let black = Color("black")
18 |     static let cyan = Color("cyan")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:17:16: warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
15 |     static let green = Color("green")
16 |     static let blue = Color("blue")
17 |     static let black = Color("black")
   |                |- warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'black' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |     static let cyan = Color("cyan")
19 |     static let magenta = Color("magenta")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:18:16: warning: static property 'cyan' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
16 |     static let blue = Color("blue")
17 |     static let black = Color("black")
18 |     static let cyan = Color("cyan")
   |                |- warning: static property 'cyan' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'cyan' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |     static let magenta = Color("magenta")
20 |     static let yellow = Color("yellow")
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:19:16: warning: static property 'magenta' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
17 |     static let black = Color("black")
18 |     static let cyan = Color("cyan")
19 |     static let magenta = Color("magenta")
   |                |- warning: static property 'magenta' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'magenta' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
20 |     static let yellow = Color("yellow")
21 | }
/Users/admin/builder/spi-builder-workspace/Sources/Color.swift:20:16: warning: static property 'yellow' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | public struct Color {
   |               `- note: consider making struct 'Color' conform to the 'Sendable' protocol
 2 |     let str: String
 3 |
   :
18 |     static let cyan = Color("cyan")
19 |     static let magenta = Color("magenta")
20 |     static let yellow = Color("yellow")
   |                |- warning: static property 'yellow' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'yellow' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
21 | }
22 |
[8/10] Compiling Swiplot LineStyle.swift
[9/10] Compiling Swiplot Plot3D.swift
[10/10] Compiling Swiplot Plot.swift
Build complete! (8.83s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Swiplot",
  "name" : "Swiplot",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Swiplot",
      "targets" : [
        "Swiplot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiplotTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiplotTests",
      "path" : "Tests/SwiplotTests",
      "sources" : [
        "SwiplotTests.swift"
      ],
      "target_dependencies" : [
        "Swiplot"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Swiplot",
      "module_type" : "SwiftTarget",
      "name" : "Swiplot",
      "path" : "Sources",
      "product_memberships" : [
        "Swiplot"
      ],
      "sources" : [
        "Color.swift",
        "Graph.swift",
        "Graph3D.swift",
        "LineStyle.swift",
        "Plot.swift",
        "Plot3D.swift",
        "SingleLine.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Done.