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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 TurtleBuilder, reference 0.1.5 (6f8f62), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 07:39:39 UTC.

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/zonble/turtlebuilder.git
Reference: 0.1.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/zonble/turtlebuilder
 * tag               0.1.5      -> FETCH_HEAD
HEAD is now at 6f8f626 Updates commands.
Cloned https://github.com/zonble/turtlebuilder.git
Revision (git rev-parse @):
6f8f626109284508900de845b53b951f634638ce
SUCCESS checkout https://github.com/zonble/turtlebuilder.git at 0.1.5
========================================
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": "turtlebuilder",
      "name": "TurtleBuilder",
      "url": "https://github.com/zonble/turtlebuilder.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/turtlebuilder",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/zonble/turtlebuilder.git
[6/300] Fetching turtlebuilder
Fetched https://github.com/zonble/turtlebuilder.git from cache (0.83s)
Creating working copy for https://github.com/zonble/turtlebuilder.git
Working copy of https://github.com/zonble/turtlebuilder.git resolved at 0.1.5 (6f8f626)
warning: '.resolve-product-dependencies': dependency 'turtlebuilder' 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/zonble/turtlebuilder.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...
[0/3] Write sources
[2/3] Write swift-version--7754E27361AE5C74.txt
[4/5] Compiling TurtleBuilder TurtleBuilder.swift
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:104:2: warning: '@_functionBuilder' has been renamed to '@resultBuilder'
102 | }
103 |
104 | @_functionBuilder
    |  `- warning: '@_functionBuilder' has been renamed to '@resultBuilder'
105 | /// Function builder for `Turtle`
106 | public struct TurtleBuilder {
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:138:9: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
136 | 	}
137 |
138 | 	public private (set) lazy var lines = self.complie()
    |         `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
139 | }
140 |
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:43:5: warning: let 'resetH' is not concurrency-safe because non-'Sendable' type '() -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 41 |
 42 | /// An alias of `resetHeading`
 43 | let resetH = resetHeading
    |     |- warning: let 'resetH' is not concurrency-safe because non-'Sendable' type '() -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'resetH' 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
 44 |
 45 | /// Set the direction of the turtle.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:49:5: warning: let 'setH' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 47 |
 48 | /// An alias of `setHeading`
 49 | let setH = setHeading
    |     |- warning: let 'setH' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'setH' 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
 50 |
 51 | /// Set the position of the turtle.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:65:5: warning: let 'lt' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 63 |
 64 | /// An alias of `left`
 65 | let lt = left
    |     |- warning: let 'lt' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'lt' 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
 66 |
 67 | /// Turn right to the given angle.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:72:5: warning: let 'rt' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 70 |
 71 | /// An alias of `right`
 72 | let rt = right
    |     |- warning: let 'rt' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'rt' 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
 73 |
 74 | /// Move forward.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:79:5: warning: let 'fd' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 77 |
 78 | /// An alias of `forward`.
 79 | let fd = forward
    |     |- warning: let 'fd' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'fd' 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
 80 |
 81 | /// Run a loop.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:89:5: warning: let 'repeat' is not concurrency-safe because non-'Sendable' type '(Int, () -> [TurtleCommand]) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 87 |
 88 | /// An alias of `loop`.
 89 | let `repeat` = loop
    |     |- warning: let 'repeat' is not concurrency-safe because non-'Sendable' type '(Int, () -> [TurtleCommand]) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'repeat' 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
 90 |
 91 | /// Set a macro.
[5/5] Emitting module TurtleBuilder
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:104:2: warning: '@_functionBuilder' has been renamed to '@resultBuilder'
102 | }
103 |
104 | @_functionBuilder
    |  `- warning: '@_functionBuilder' has been renamed to '@resultBuilder'
105 | /// Function builder for `Turtle`
106 | public struct TurtleBuilder {
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:138:9: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
136 | 	}
137 |
138 | 	public private (set) lazy var lines = self.complie()
    |         `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
139 | }
140 |
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:43:5: warning: let 'resetH' is not concurrency-safe because non-'Sendable' type '() -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 41 |
 42 | /// An alias of `resetHeading`
 43 | let resetH = resetHeading
    |     |- warning: let 'resetH' is not concurrency-safe because non-'Sendable' type '() -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'resetH' 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
 44 |
 45 | /// Set the direction of the turtle.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:49:5: warning: let 'setH' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 47 |
 48 | /// An alias of `setHeading`
 49 | let setH = setHeading
    |     |- warning: let 'setH' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'setH' 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
 50 |
 51 | /// Set the position of the turtle.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:65:5: warning: let 'lt' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 63 |
 64 | /// An alias of `left`
 65 | let lt = left
    |     |- warning: let 'lt' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'lt' 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
 66 |
 67 | /// Turn right to the given angle.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:72:5: warning: let 'rt' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 70 |
 71 | /// An alias of `right`
 72 | let rt = right
    |     |- warning: let 'rt' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'rt' 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
 73 |
 74 | /// Move forward.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:79:5: warning: let 'fd' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 77 |
 78 | /// An alias of `forward`.
 79 | let fd = forward
    |     |- warning: let 'fd' is not concurrency-safe because non-'Sendable' type '(Int) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'fd' 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
 80 |
 81 | /// Run a loop.
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/TurtleBuilder/TurtleBuilder.swift:89:5: warning: let 'repeat' is not concurrency-safe because non-'Sendable' type '(Int, () -> [TurtleCommand]) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
 87 |
 88 | /// An alias of `loop`.
 89 | let `repeat` = loop
    |     |- warning: let 'repeat' is not concurrency-safe because non-'Sendable' type '(Int, () -> [TurtleCommand]) -> TurtleCommand' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'repeat' 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
 90 |
 91 | /// Set a macro.
[6/9] Compiling TurtleView Utile.swift
/Users/admin/builder/spi-builder-workspace/Sources/TurtleView/AnimatedTurtleView.swift:2:8: error: no such module 'UIKit'
  1 | import Foundation
  2 | import UIKit
    |        `- error: no such module 'UIKit'
  3 | import TurtleBuilder
  4 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/9] Emitting module TurtleView
/Users/admin/builder/spi-builder-workspace/Sources/TurtleView/AnimatedTurtleView.swift:2:8: error: no such module 'UIKit'
  1 | import Foundation
  2 | import UIKit
    |        `- error: no such module 'UIKit'
  3 | import TurtleBuilder
  4 |
[8/9] Compiling TurtleView AnimatedTurtleView.swift
/Users/admin/builder/spi-builder-workspace/Sources/TurtleView/AnimatedTurtleView.swift:2:8: error: no such module 'UIKit'
  1 | import Foundation
  2 | import UIKit
    |        `- error: no such module 'UIKit'
  3 | import TurtleBuilder
  4 |
[9/9] Compiling TurtleView TurtleView.swift
/Users/admin/builder/spi-builder-workspace/Sources/TurtleView/AnimatedTurtleView.swift:2:8: error: no such module 'UIKit'
  1 | import Foundation
  2 | import UIKit
    |        `- error: no such module 'UIKit'
  3 | import TurtleBuilder
  4 |
BUILD FAILURE 6.0 macosSpm