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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 wren-swift, reference develop (3b47fa), with Swift 6.0 for Linux on 2 Nov 2024 11:22:43 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/helje5/wren-swift.git
Reference: develop
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/helje5/wren-swift
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at 3b47faa Update README.md
Cloned https://github.com/helje5/wren-swift.git
Revision (git rev-parse @):
3b47faaaf46c95ba551113d9ef49f483081354b3
SUCCESS checkout https://github.com/helje5/wren-swift.git at develop
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/helje5/wren-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/3] Write sources
[1/3] Write swift-version-24593BA9C3E375BF.txt
[2/3] Compiling CWren wren.c
[4/13] Compiling Wren Values.swift
[5/13] Compiling Wren Handle.swift
[6/13] Compiling Wren ValueConvertible.swift
[7/13] Compiling Wren Foreign.swift
[8/13] Compiling Wren Slots.swift
[9/13] Emitting module Wren
/host/spi-builder-workspace/Sources/Wren/Error.swift:19:16: warning: stored property 'type' of 'Sendable'-conforming struct 'WrenError' has non-sendable type 'WrenVM.WrenError.WrenErrorType'; this is an error in the Swift 6 language mode
13 |   struct WrenError: Swift.Error, Equatable {
14 |
15 |     public enum WrenErrorType: String, Equatable {
   |                 `- note: consider making enum 'WrenErrorType' conform to the 'Sendable' protocol
16 |       case compile, runtime, stacktrace, unknown
17 |     }
18 |
19 |     public let type    : WrenErrorType
   |                `- warning: stored property 'type' of 'Sendable'-conforming struct 'WrenError' has non-sendable type 'WrenVM.WrenError.WrenErrorType'; this is an error in the Swift 6 language mode
20 |     public let module  : String
21 |     public let line    : Int
[10/13] Compiling Wren Dynamic.swift
/host/spi-builder-workspace/Sources/Wren/Error.swift:19:16: warning: stored property 'type' of 'Sendable'-conforming struct 'WrenError' has non-sendable type 'WrenVM.WrenError.WrenErrorType'; this is an error in the Swift 6 language mode
13 |   struct WrenError: Swift.Error, Equatable {
14 |
15 |     public enum WrenErrorType: String, Equatable {
   |                 `- note: consider making enum 'WrenErrorType' conform to the 'Sendable' protocol
16 |       case compile, runtime, stacktrace, unknown
17 |     }
18 |
19 |     public let type    : WrenErrorType
   |                `- warning: stored property 'type' of 'Sendable'-conforming struct 'WrenError' has non-sendable type 'WrenVM.WrenError.WrenErrorType'; this is an error in the Swift 6 language mode
20 |     public let module  : String
21 |     public let line    : Int
[11/13] Compiling Wren Error.swift
/host/spi-builder-workspace/Sources/Wren/Error.swift:19:16: warning: stored property 'type' of 'Sendable'-conforming struct 'WrenError' has non-sendable type 'WrenVM.WrenError.WrenErrorType'; this is an error in the Swift 6 language mode
13 |   struct WrenError: Swift.Error, Equatable {
14 |
15 |     public enum WrenErrorType: String, Equatable {
   |                 `- note: consider making enum 'WrenErrorType' conform to the 'Sendable' protocol
16 |       case compile, runtime, stacktrace, unknown
17 |     }
18 |
19 |     public let type    : WrenErrorType
   |                `- warning: stored property 'type' of 'Sendable'-conforming struct 'WrenError' has non-sendable type 'WrenVM.WrenError.WrenErrorType'; this is an error in the Swift 6 language mode
20 |     public let module  : String
21 |     public let line    : Int
[12/13] Compiling Wren Callbacks.swift
/host/spi-builder-workspace/Sources/Wren/Callbacks.swift:27:15: error: cannot find 'strlen' in scope
25 |   let data : Data = {
26 |     guard let text = text else { return Data() }
27 |     let len = strlen(text) // yes, this one is 0-terminated
   |               `- error: cannot find 'strlen' in scope
28 |     let bp  = UnsafeBufferPointer(start: text, count: len)
29 |     return Data(buffer: bp)
/host/spi-builder-workspace/Sources/Wren/Configuration.swift:35:54: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
33 |       else {
34 |         let ok : Int = data.withContiguousStorageIfAvailable({ bp in
35 |           return fwrite(bp.baseAddress, bp.count, 1, stdout)
   |                                                      `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
36 |         })
37 |         ?? data.withUnsafeBytes({ ( rbp: UnsafeRawBufferPointer ) in
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/Wren/Configuration.swift:38:56: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
36 |         })
37 |         ?? data.withUnsafeBytes({ ( rbp: UnsafeRawBufferPointer ) in
38 |           return fwrite(rbp.baseAddress, rbp.count, 1, stdout)
   |                                                        `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
39 |         })
40 |         assert(ok == 1)
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
[13/13] Compiling Wren Configuration.swift
/host/spi-builder-workspace/Sources/Wren/Callbacks.swift:27:15: error: cannot find 'strlen' in scope
25 |   let data : Data = {
26 |     guard let text = text else { return Data() }
27 |     let len = strlen(text) // yes, this one is 0-terminated
   |               `- error: cannot find 'strlen' in scope
28 |     let bp  = UnsafeBufferPointer(start: text, count: len)
29 |     return Data(buffer: bp)
/host/spi-builder-workspace/Sources/Wren/Configuration.swift:35:54: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
33 |       else {
34 |         let ok : Int = data.withContiguousStorageIfAvailable({ bp in
35 |           return fwrite(bp.baseAddress, bp.count, 1, stdout)
   |                                                      `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
36 |         })
37 |         ?? data.withUnsafeBytes({ ( rbp: UnsafeRawBufferPointer ) in
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/Wren/Configuration.swift:38:56: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
36 |         })
37 |         ?? data.withUnsafeBytes({ ( rbp: UnsafeRawBufferPointer ) in
38 |           return fwrite(rbp.baseAddress, rbp.count, 1, stdout)
   |                                                        `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
39 |         })
40 |         assert(ok == 1)
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
[14/14] Compiling Wren WrenVM.swift
BUILD FAILURE 6.0 linux