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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 with Swift 6.0 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/zonble/turtlebuilder.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/zonble/turtlebuilder
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at ec5173e Updates CI settings.
Cloned https://github.com/zonble/turtlebuilder.git
Revision (git rev-parse @):
ec5173ee410f45e3094cc90fae9c658961c9cf1a
SUCCESS checkout https://github.com/zonble/turtlebuilder.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/zonble/turtlebuilder.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a 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-6F35C1178C84523A.txt
[4/5] 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:43:12: 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 | public 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:49:12: 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 | public 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:65:12: 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 | public 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:72:12: 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 | public 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:79:12: 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 | public 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:89:12: 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 | public 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] 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:43:12: 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 | public 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:49:12: 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 | public 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:65:12: 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 | public 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:72:12: 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 | public 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:79:12: 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 | public 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:89:12: 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 | public 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 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 |
[9/9] 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 |
BUILD FAILURE 6.0 macosSpm
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.