The Swift Package Index logo.Swift Package Index

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 Flock, reference 0.5.0 (e7ebcd), with Swift 6.1 for macOS (SPM) on 24 Apr 2025 10:11:22 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jakeheis/flock.git
Reference: 0.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jakeheis/flock
 * tag               0.5.0      -> FETCH_HEAD
HEAD is now at e7ebcd5 Check command
Cloned https://github.com/jakeheis/flock.git
Revision (git rev-parse @):
e7ebcd5279bfb95b0e66b15d07a868b244ab4883
SUCCESS checkout https://github.com/jakeheis/flock.git at 0.5.0
Fetching https://github.com/antitypical/Result.git
Fetching https://github.com/Carthage/Commandant.git
Fetching https://github.com/IBM-Swift/BlueSocket
Fetching https://github.com/yonaskolb/Beak
Fetching https://github.com/norio-nomura/Clang_C.git
Fetching https://github.com/jakeheis/CSSH
Fetching https://github.com/jpsim/Yams.git from cache
[1/40] Fetching clang_c
[22/66] Fetching clang_c, cssh
[48/5192] Fetching clang_c, cssh, beak
[151/7725] Fetching clang_c, cssh, beak, result
[312/10054] Fetching clang_c, cssh, beak, result, commandant
[2936/12996] Fetching clang_c, cssh, beak, result, commandant, bluesocket
Fetched https://github.com/norio-nomura/Clang_C.git from cache (0.89s)
Fetched https://github.com/jakeheis/CSSH from cache (0.89s)
Fetched https://github.com/Carthage/Commandant.git from cache (0.89s)
Fetched https://github.com/antitypical/Result.git from cache (0.89s)
Fetched https://github.com/jpsim/Yams.git from cache (0.89s)
[1557/8068] Fetching beak, bluesocket
Fetching https://github.com/drmohundro/SWXMLHash.git
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/onevcat/Rainbow
Fetching https://github.com/kylef/PathKit.git
Fetching https://github.com/kylef/Spectre.git
Fetched https://github.com/IBM-Swift/BlueSocket from cache (1.16s)
[2205/5126] Fetching beak
Fetching https://github.com/jpsim/SourceKitten
[4666/6537] Fetching beak, pathkit
[4850/7558] Fetching beak, pathkit, spectre
[5028/10378] Fetching beak, pathkit, spectre, swxmlhash
[5539/11574] Fetching beak, pathkit, spectre, swxmlhash, rainbow
[8471/31141] Fetching beak, pathkit, spectre, swxmlhash, rainbow, nimble
Fetched https://github.com/kylef/Spectre.git from cache (0.98s)
Fetched https://github.com/onevcat/Rainbow from cache (0.98s)
Fetching https://github.com/Quick/Quick.git
Fetching https://github.com/jakeheis/SwiftCLI
[10174/28924] Fetching beak, pathkit, swxmlhash, nimble
[10175/45036] Fetching beak, pathkit, swxmlhash, nimble, sourcekitten
[39056/50110] Fetching beak, pathkit, swxmlhash, nimble, sourcekitten, swiftcli
Fetched https://github.com/jpsim/SourceKitten from cache (1.48s)
[23894/33998] Fetching beak, pathkit, swxmlhash, nimble, swiftcli
Fetching https://github.com/norio-nomura/SourceKit.git
[24098/48753] Fetching beak, pathkit, swxmlhash, nimble, swiftcli, quick
[43803/48767] Fetching beak, pathkit, swxmlhash, nimble, swiftcli, quick, sourcekit
Fetched https://github.com/norio-nomura/SourceKit.git from cache (0.51s)
Fetching https://github.com/jakeheis/Shout
[44439/48753] Fetching beak, pathkit, swxmlhash, nimble, swiftcli, quick
Fetched https://github.com/jakeheis/SwiftCLI from cache (1.38s)
Fetched https://github.com/Quick/Quick.git from cache (1.38s)
[25393/28924] Fetching beak, pathkit, swxmlhash, nimble
[25642/29658] Fetching beak, pathkit, swxmlhash, nimble, shout
Fetched https://github.com/jakeheis/Shout from cache (0.67s)
[26619/28924] Fetching beak, pathkit, swxmlhash, nimble
Fetched https://github.com/drmohundro/SWXMLHash.git from cache (3.33s)
Fetched https://github.com/Quick/Nimble.git from cache (3.33s)
Fetched https://github.com/kylef/PathKit.git from cache (3.33s)
[5009/5126] Fetching beak
Fetched https://github.com/yonaskolb/Beak from cache (7.10s)
Computing version for https://github.com/jakeheis/SwiftCLI
Computed https://github.com/jakeheis/SwiftCLI at 5.1.2 (7.69s)
Computing version for https://github.com/jakeheis/Shout
Computed https://github.com/jakeheis/Shout at 0.4.3 (0.57s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.1.4 (0.54s)
Computing version for https://github.com/yonaskolb/Beak
Computed https://github.com/yonaskolb/Beak at 0.4.0 (0.56s)
Computing version for https://github.com/jakeheis/CSSH
Computed https://github.com/jakeheis/CSSH at 1.0.3 (0.55s)
Computing version for https://github.com/IBM-Swift/BlueSocket
error: the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/jakeheis/flock.git
https://github.com/jakeheis/flock.git
{
  "dependencies" : [
    {
      "identity" : "beak",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/yonaskolb/Beak"
    },
    {
      "identity" : "rainbow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/onevcat/Rainbow"
    },
    {
      "identity" : "shout",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.2.3",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jakeheis/Shout"
    },
    {
      "identity" : "swiftcli",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.1.1",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jakeheis/SwiftCLI"
    }
  ],
  "manifest_display_name" : "Flock",
  "name" : "Flock",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "flock",
      "targets" : [
        "FlockCLI"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "FlockKit",
      "targets" : [
        "FlockKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlockKit",
      "module_type" : "SwiftTarget",
      "name" : "FlockKit",
      "path" : "Sources/FlockKit",
      "product_dependencies" : [
        "Rainbow",
        "Shout"
      ],
      "product_memberships" : [
        "FlockKit"
      ],
      "sources" : [
        "Environment.swift",
        "Flock.swift",
        "Server.swift",
        "TaskError.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "FlockCLI",
      "module_type" : "SwiftTarget",
      "name" : "FlockCLI",
      "path" : "Sources/FlockCLI",
      "product_dependencies" : [
        "BeakCore",
        "Rainbow",
        "SwiftCLI"
      ],
      "product_memberships" : [
        "flock"
      ],
      "sources" : [
        "Beak.swift",
        "CheckCommand.swift",
        "CleanCommand.swift",
        "FlockCommand.swift",
        "FlockError.swift",
        "ForwardCommand.swift",
        "HelpMessageGenerator.swift",
        "InitCommand.swift",
        "ListCommand.swift",
        "Router.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
Updating https://github.com/yonaskolb/Beak
Updating https://github.com/onevcat/Rainbow
Updating https://github.com/jakeheis/SwiftCLI
Updating https://github.com/jakeheis/Shout
Updated https://github.com/onevcat/Rainbow (0.45s)
Updated https://github.com/yonaskolb/Beak (0.46s)
Updated https://github.com/jakeheis/SwiftCLI (0.46s)
Updated https://github.com/jakeheis/Shout (0.46s)
Computing version for https://github.com/yonaskolb/Beak
Computed https://github.com/yonaskolb/Beak at 0.5.1 (1.12s)
Updating https://github.com/jpsim/SourceKitten
Updating https://github.com/kylef/PathKit.git
Updating https://github.com/kylef/Spectre.git
Updated https://github.com/kylef/Spectre.git (0.44s)
Updated https://github.com/kylef/PathKit.git (0.44s)
Updated https://github.com/jpsim/SourceKitten (0.50s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 0.9.2 (3.35s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.9.2 (0.56s)
Computing version for https://github.com/jakeheis/SwiftCLI
Computed https://github.com/jakeheis/SwiftCLI at 5.3.3 (0.55s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.2.0 (0.55s)
Computing version for https://github.com/jakeheis/Shout
Computed https://github.com/jakeheis/Shout at 0.5.7 (0.55s)
Updating https://github.com/IBM-Swift/BlueSocket
Updated https://github.com/IBM-Swift/BlueSocket (0.50s)
Computing version for https://github.com/IBM-Swift/BlueSocket
Computed https://github.com/IBM-Swift/BlueSocket at 1.0.200 (1.11s)
Computing version for https://github.com/jpsim/SourceKitten
Computed https://github.com/jpsim/SourceKitten at 0.37.0 (0.56s)
Fetching https://github.com/apple/swift-argument-parser.git from cache
Updating https://github.com/jpsim/Yams.git
Updating https://github.com/drmohundro/SWXMLHash.git
Updated https://github.com/drmohundro/SWXMLHash.git (0.55s)
Updated https://github.com/jpsim/Yams.git (0.55s)
Fetched https://github.com/apple/swift-argument-parser.git from cache (0.64s)
Computing version for https://github.com/drmohundro/SWXMLHash.git
Computed https://github.com/drmohundro/SWXMLHash.git at 7.0.2 (1.23s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.5.0 (0.46s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 5.3.1 (0.53s)
Creating working copy for https://github.com/jakeheis/SwiftCLI
Working copy of https://github.com/jakeheis/SwiftCLI resolved at 5.3.3
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.9.2
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 3.2.0
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 5.3.1
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 0.9.2
Creating working copy for https://github.com/jakeheis/Shout
Working copy of https://github.com/jakeheis/Shout resolved at 0.5.7
Creating working copy for https://github.com/drmohundro/SWXMLHash.git
Working copy of https://github.com/drmohundro/SWXMLHash.git resolved at 7.0.2
Creating working copy for https://github.com/yonaskolb/Beak
Working copy of https://github.com/yonaskolb/Beak resolved at 0.5.1
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.5.0
Creating working copy for https://github.com/jpsim/SourceKitten
Working copy of https://github.com/jpsim/SourceKitten resolved at 0.37.0
Creating working copy for https://github.com/IBM-Swift/BlueSocket
Working copy of https://github.com/IBM-Swift/BlueSocket resolved at 1.0.200
error: the library 'BeakCore' requires macos 10.13, but depends on the product 'SourceKittenFramework' which requires macos 12.0; consider changing the library 'BeakCore' to require macos 12.0 or later, or the product 'SourceKittenFramework' to require macos 10.13 or earlier.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: the library 'BeakCore' requires macos 10.13, but depends on the product 'SourceKittenFramework' which requires macos 12.0; consider changing the library 'BeakCore' to require macos 12.0 or later, or the product 'SourceKittenFramework' to require macos 10.13 or earlier.
BUILD FAILURE 6.1 macosSpm