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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 KituraCORS, reference 2.1.201 (fd98bd), with Swift 6.1 for Linux on 26 Apr 2025 05:40:59 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kitura/Kitura-CORS.git
Reference: 2.1.201
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/Kitura/Kitura-CORS
 * tag               2.1.201    -> FETCH_HEAD
HEAD is now at fd98bd7 Add sameAsOrigin in AllowedOrigins (#45)
Cloned https://github.com/Kitura/Kitura-CORS.git
Revision (git rev-parse @):
fd98bd76a458a7530866a465b5b4b558ffbc5198
SUCCESS checkout https://github.com/Kitura/Kitura-CORS.git at 2.1.201
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Kitura/Kitura-CORS.git
https://github.com/Kitura/Kitura-CORS.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "kitura",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.9.200",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Kitura/Kitura.git"
    }
  ],
  "manifest_display_name" : "KituraCORS",
  "name" : "KituraCORS",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "KituraCORS",
      "targets" : [
        "KituraCORS"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KituraCORSTests",
      "module_type" : "SwiftTarget",
      "name" : "KituraCORSTests",
      "path" : "Tests/KituraCORSTests",
      "sources" : [
        "KituraTest.swift",
        "TestBasicCORS.swift",
        "TestCORSOptions.swift"
      ],
      "target_dependencies" : [
        "KituraCORS"
      ],
      "type" : "test"
    },
    {
      "c99name" : "KituraCORS",
      "module_type" : "SwiftTarget",
      "name" : "KituraCORS",
      "path" : "Sources/KituraCORS",
      "product_dependencies" : [
        "Kitura"
      ],
      "product_memberships" : [
        "KituraCORS"
      ],
      "sources" : [
        "AllowedOrigins.swift",
        "CORS.swift",
        "Options.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-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-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/Kitura/Kitura.git
[1/16909] Fetching kitura
Fetched https://github.com/Kitura/Kitura.git from cache (1.23s)
Computing version for https://github.com/Kitura/Kitura.git
Computed https://github.com/Kitura/Kitura.git at 2.9.200 (1.98s)
Fetching https://github.com/Kitura/Kitura-TemplateEngine.git
Fetching https://github.com/Kitura/KituraContracts.git
Fetching https://github.com/Kitura/Kitura-net.git
Fetching https://github.com/Kitura/TypeDecoder.git
Fetching https://github.com/Kitura/LoggerAPI.git
[1/459] Fetching typedecoder
[15/3005] Fetching typedecoder, kituracontracts
[970/3776] Fetching typedecoder, kituracontracts, loggerapi
[994/13320] Fetching typedecoder, kituracontracts, loggerapi, kitura-net
[1190/13758] Fetching typedecoder, kituracontracts, loggerapi, kitura-net, kitura-templateengine
Fetching https://github.com/apple/swift-log.git
Fetched https://github.com/Kitura/LoggerAPI.git from cache (0.37s)
Fetched https://github.com/Kitura/TypeDecoder.git from cache (0.37s)
[5186/12528] Fetching kituracontracts, kitura-net, kitura-templateengine
Fetched https://github.com/Kitura/KituraContracts.git from cache (0.56s)
[5306/9982] Fetching kitura-net, kitura-templateengine
[9983/13818] Fetching kitura-net, kitura-templateengine, swift-log
Fetched https://github.com/apple/swift-log.git from cache (0.50s)
Fetched https://github.com/Kitura/Kitura-TemplateEngine.git from cache (0.92s)
Fetched https://github.com/Kitura/Kitura-net.git from cache (0.93s)
Computing version for https://github.com/Kitura/Kitura-TemplateEngine.git
Computed https://github.com/Kitura/Kitura-TemplateEngine.git at 2.0.200 (1.58s)
Computing version for https://github.com/Kitura/Kitura-net.git
Computed https://github.com/Kitura/Kitura-net.git at 2.4.200 (0.67s)
Fetching https://github.com/Kitura/BlueSignals.git
Fetching https://github.com/Kitura/BlueSSLService.git
Fetching https://github.com/Kitura/BlueSocket.git
[1/2077] Fetching bluesslservice
[542/2731] Fetching bluesslservice, bluesignals
[2732/5673] Fetching bluesslservice, bluesignals, bluesocket
[4519/5019] Fetching bluesslservice, bluesocket
Fetched https://github.com/Kitura/BlueSignals.git from cache (0.31s)
Fetched https://github.com/Kitura/BlueSSLService.git from cache (0.43s)
Fetched https://github.com/Kitura/BlueSocket.git from cache (0.43s)
Computing version for https://github.com/Kitura/LoggerAPI.git
Computed https://github.com/Kitura/LoggerAPI.git at 1.9.200 (1.16s)
Computing version for https://github.com/Kitura/BlueSignals.git
Computed https://github.com/Kitura/BlueSignals.git at 1.0.200 (0.68s)
Computing version for https://github.com/Kitura/BlueSSLService.git
Computed https://github.com/Kitura/BlueSSLService.git at 1.0.200 (0.66s)
Fetching https://github.com/Kitura/OpenSSL.git
[1/203] Fetching openssl
Fetched https://github.com/Kitura/OpenSSL.git from cache (0.21s)
Computing version for https://github.com/Kitura/BlueSocket.git
Computed https://github.com/Kitura/BlueSocket.git at 1.0.200 (0.86s)
Computing version for https://github.com/Kitura/TypeDecoder.git
Computed https://github.com/Kitura/TypeDecoder.git at 1.3.201 (0.64s)
Computing version for https://github.com/Kitura/KituraContracts.git
Computed https://github.com/Kitura/KituraContracts.git at 1.2.201 (0.67s)
Computing version for https://github.com/Kitura/OpenSSL.git
Computed https://github.com/Kitura/OpenSSL.git at 2.3.1 (2.63s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (0.57s)
Creating working copy for https://github.com/Kitura/Kitura.git
Working copy of https://github.com/Kitura/Kitura.git resolved at 2.9.200
Creating working copy for https://github.com/Kitura/KituraContracts.git
Working copy of https://github.com/Kitura/KituraContracts.git resolved at 1.2.201
Creating working copy for https://github.com/Kitura/BlueSignals.git
Working copy of https://github.com/Kitura/BlueSignals.git resolved at 1.0.200
Creating working copy for https://github.com/Kitura/BlueSocket.git
Working copy of https://github.com/Kitura/BlueSocket.git resolved at 1.0.200
Creating working copy for https://github.com/Kitura/OpenSSL.git
Working copy of https://github.com/Kitura/OpenSSL.git resolved at 2.3.1
Creating working copy for https://github.com/Kitura/BlueSSLService.git
Working copy of https://github.com/Kitura/BlueSSLService.git resolved at 1.0.200
Creating working copy for https://github.com/Kitura/TypeDecoder.git
Working copy of https://github.com/Kitura/TypeDecoder.git resolved at 1.3.201
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.3
Creating working copy for https://github.com/Kitura/Kitura-TemplateEngine.git
Working copy of https://github.com/Kitura/Kitura-TemplateEngine.git resolved at 2.0.200
Creating working copy for https://github.com/Kitura/LoggerAPI.git
Working copy of https://github.com/Kitura/LoggerAPI.git resolved at 1.9.200
Creating working copy for https://github.com/Kitura/Kitura-net.git
Working copy of https://github.com/Kitura/Kitura-net.git resolved at 2.4.200
Building for debugging...
[0/14] Write sources
[11/14] Compiling CHTTPParser utils.c
[12/14] Compiling CHTTPParser http_parser.c
[13/14] Write swift-version-24593BA9C3E375BF.txt
[15/30] Emitting module Signals
[16/30] Emitting module KituraTemplateEngine
[17/30] Compiling KituraTemplateEngine TemplateEngine.swift
[18/31] Compiling Logging LogHandler.swift
[19/31] Emitting module Socket
[21/31] Compiling Logging Logging.swift
[22/31] Emitting module Logging
[23/31] Compiling Logging Locks.swift
[24/31] Compiling Logging MetadataProvider.swift
[25/32] Compiling Socket SocketProtocols.swift
[27/32] Compiling TypeDecoder OrderedDictionary.swift
[28/32] Emitting module TypeDecoder
[29/32] Compiling TypeDecoder TypeDecoder.swift
[31/34] Compiling Socket SocketUtils.swift
[32/35] Compiling Signals Signals.swift
[33/36] Emitting module LoggerAPI
[35/36] Compiling LoggerAPI Logger.swift
[37/46] Compiling KituraContracts BodyDecoder.swift
[38/46] Compiling KituraContracts BodyEncoder.swift
[39/46] Compiling KituraContracts BodyFormat.swift
[40/47] Compiling KituraContracts ClosureAliases.swift
[41/47] Compiling KituraContracts Extensions.swift
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/Extensions.swift:214:25: error: 'let' binding pattern cannot appear in an expression
212 |
213 |         switch decoderStrategy {
214 |         case .formatted(let formatter):
    |                         `- error: 'let' binding pattern cannot appear in an expression
215 |             let strs: [String] = self.components(separatedBy: ",")
216 |             let dates = strs.map { formatter.date(from: $0) }.filter { $0 != nil }.map { $0! }
[42/47] Compiling KituraContracts Coder.swift
[43/47] Compiling KituraContracts QueryDecoder.swift
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/QueryDecoder.swift:210:29: error: 'let' binding pattern cannot appear in an expression
208 |                     fatalError("ISO8601DateFormatter is unavailable on this platform.")
209 |                 }
210 |             case .formatted(let formatted):
    |                             `- error: 'let' binding pattern cannot appear in an expression
211 |                 return try decodeType(fieldValue?.date(formatted), to: T.self)
212 |             case .custom(let closure):
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/QueryDecoder.swift:233:29: error: 'let' binding pattern cannot appear in an expression
231 |                     fatalError("ISO8601DateFormatter is unavailable on this platform.")
232 |                 }
233 |             case .formatted(let formatter):
    |                             `- error: 'let' binding pattern cannot appear in an expression
234 |                 return try decodeType(fieldValue?.dateArray(formatter), to: T.self)
235 |             case .custom(let closure):
[44/47] Compiling KituraContracts QueryEncoder.swift
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/QueryEncoder.swift:352:29: error: 'let' binding pattern cannot appear in an expression
350 |         case let fieldValue as Date:
351 |             switch encoder.dateEncodingStrategy {
352 |             case .formatted(let formatter):
    |                             `- error: 'let' binding pattern cannot appear in an expression
353 |                 encoder.dictionary[fieldName] = formatter.string(from: fieldValue)
354 |                 encoder.anyDictionary[fieldName] = fieldValue
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/QueryEncoder.swift:406:29: error: 'let' binding pattern cannot appear in an expression
404 |                     fatalError("ISO8601DateFormatter is unavailable on this platform.")
405 |                 }
406 |             case .formatted(let formatter):
    |                             `- error: 'let' binding pattern cannot appear in an expression
407 |                 let strs: [String] = fieldValue.map { formatter.string(from: $0) }
408 |                 encoder.dictionary[fieldName] = strs.joined(separator: ",")
[45/47] Emitting module KituraContracts
[46/47] Compiling Socket Socket.swift
[48/51] Compiling KituraContracts Contracts.swift
[49/51] Emitting module SSLService
[50/51] Compiling SSLService SSLPointerTricks.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/14] Emitting module KituraTemplateEngine
[3/17] Compiling Logging MetadataProvider.swift
[4/17] Compiling KituraTemplateEngine TemplateEngine.swift
[5/18] Compiling Socket SocketUtils.swift
[7/18] Compiling Socket SocketProtocols.swift
[8/18] Compiling Logging LogHandler.swift
[9/18] Emitting module Signals
[10/18] Compiling Signals Signals.swift
[11/19] Emitting module Logging
[13/19] Compiling Logging Locks.swift
[14/19] Compiling Logging Logging.swift
[16/20] Emitting module TypeDecoder
[17/20] Compiling TypeDecoder OrderedDictionary.swift
[18/20] Compiling TypeDecoder TypeDecoder.swift
[20/23] Compiling LoggerAPI Logger.swift
[21/23] Emitting module LoggerAPI
[23/33] Compiling KituraContracts ClosureAliases.swift
[24/34] Compiling KituraContracts BodyFormat.swift
[25/34] Emitting module KituraContracts
[26/34] Compiling KituraContracts BodyDecoder.swift
[27/34] Compiling KituraContracts BodyEncoder.swift
[28/34] Compiling KituraContracts QueryDecoder.swift
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/QueryDecoder.swift:210:29: error: 'let' binding pattern cannot appear in an expression
208 |                     fatalError("ISO8601DateFormatter is unavailable on this platform.")
209 |                 }
210 |             case .formatted(let formatted):
    |                             `- error: 'let' binding pattern cannot appear in an expression
211 |                 return try decodeType(fieldValue?.date(formatted), to: T.self)
212 |             case .custom(let closure):
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/QueryDecoder.swift:233:29: error: 'let' binding pattern cannot appear in an expression
231 |                     fatalError("ISO8601DateFormatter is unavailable on this platform.")
232 |                 }
233 |             case .formatted(let formatter):
    |                             `- error: 'let' binding pattern cannot appear in an expression
234 |                 return try decodeType(fieldValue?.dateArray(formatter), to: T.self)
235 |             case .custom(let closure):
[29/34] Compiling KituraContracts QueryEncoder.swift
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/QueryEncoder.swift:352:29: error: 'let' binding pattern cannot appear in an expression
350 |         case let fieldValue as Date:
351 |             switch encoder.dateEncodingStrategy {
352 |             case .formatted(let formatter):
    |                             `- error: 'let' binding pattern cannot appear in an expression
353 |                 encoder.dictionary[fieldName] = formatter.string(from: fieldValue)
354 |                 encoder.anyDictionary[fieldName] = fieldValue
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/QueryEncoder.swift:406:29: error: 'let' binding pattern cannot appear in an expression
404 |                     fatalError("ISO8601DateFormatter is unavailable on this platform.")
405 |                 }
406 |             case .formatted(let formatter):
    |                             `- error: 'let' binding pattern cannot appear in an expression
407 |                 let strs: [String] = fieldValue.map { formatter.string(from: $0) }
408 |                 encoder.dictionary[fieldName] = strs.joined(separator: ",")
[30/34] Compiling KituraContracts Coder.swift
[31/34] Compiling KituraContracts Extensions.swift
/host/spi-builder-workspace/.build/checkouts/KituraContracts/Sources/KituraContracts/CodableQuery/Extensions.swift:214:25: error: 'let' binding pattern cannot appear in an expression
212 |
213 |         switch decoderStrategy {
214 |         case .formatted(let formatter):
    |                         `- error: 'let' binding pattern cannot appear in an expression
215 |             let strs: [String] = self.components(separatedBy: ",")
216 |             let dates = strs.map { formatter.date(from: $0) }.filter { $0 != nil }.map { $0! }
[32/34] Emitting module Socket
[33/34] Compiling Socket Socket.swift
[35/35] Compiling KituraContracts Contracts.swift
BUILD FAILURE 6.1 linux