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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 vintage, reference master (f7fc94), with Swift 6.1 for Linux on 25 Apr 2025 15:25:16 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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/vinhnx/vintage.git
Reference: master
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/vinhnx/vintage
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at f7fc94e Update README.md
Cloned https://github.com/vinhnx/vintage.git
Revision (git rev-parse @):
f7fc94e6394e8bb5619fabdc69c65a24a3e28ae6
SUCCESS checkout https://github.com/vinhnx/vintage.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/vinhnx/vintage.git
https://github.com/vinhnx/vintage.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "sweep",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "git@github.com:JohnSundell/Sweep.git"
    },
    {
      "identity" : "files",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "git@github.com:JohnSundell/Files.git"
    },
    {
      "identity" : "releases",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "git@github.com:JohnSundell/Releases.git"
    },
    {
      "identity" : "chalk",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/mxcl/Chalk.git"
    },
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "vintage",
  "name" : "vintage",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "vintage",
      "targets" : [
        "vintage"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "vintage_core",
      "targets" : [
        "vintage_core"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "vintage_core",
      "module_type" : "SwiftTarget",
      "name" : "vintage_core",
      "path" : "Sources/vintage_core",
      "product_dependencies" : [
        "Sweep",
        "Files",
        "Releases",
        "Chalk",
        "ArgumentParser"
      ],
      "product_memberships" : [
        "vintage",
        "vintage_core"
      ],
      "sources" : [
        "CommandError.swift",
        "Constants.swift",
        "Core.swift",
        "Extensions/File+Extensions.swift",
        "Extensions/String+Extensions.swift",
        "Extensions/Substring+Extensions.swift",
        "Extensions/URL+Extensions.swift",
        "Model.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "vintage",
      "module_type" : "SwiftTarget",
      "name" : "vintage",
      "path" : "Sources/vintage",
      "product_memberships" : [
        "vintage"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "vintage_core"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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 git@github.com:JohnSundell/Files.git
Fetching https://github.com/mxcl/Chalk.git
Fetching git@github.com:JohnSundell/Releases.git
Fetching https://github.com/apple/swift-argument-parser
Fetching git@github.com:JohnSundell/Sweep.git
[1/81] Fetching chalk
[82/14994] Fetching chalk, swift-argument-parser
warning: 'releases': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Releases.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Releases-d92825f4'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
warning: 'sweep': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Sweep.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Sweep-df491e1f'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
warning: 'files': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Files.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Files-835d8468'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
Fetched https://github.com/mxcl/Chalk.git from cache (0.79s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.80s)
Fetching git@github.com:JohnSundell/Sweep.git
Fetching git@github.com:JohnSundell/Files.git
Fetching git@github.com:JohnSundell/Releases.git
warning: 'files': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Files.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Files-835d8468'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
warning: 'releases': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Releases.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Releases-d92825f4'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
warning: 'sweep': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Sweep.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Sweep-df491e1f'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
error: Failed to clone repository git@github.com:JohnSundell/Releases.git:
    Cloning into bare repository '/host/spi-builder-workspace/.build/repositories/Releases-d92825f4'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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
Fetching git@github.com:JohnSundell/Releases.git
Fetching git@github.com:JohnSundell/Files.git
Fetching git@github.com:JohnSundell/Sweep.git
Updating https://github.com/mxcl/Chalk.git
Updating https://github.com/apple/swift-argument-parser
warning: 'releases': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Releases.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Releases-d92825f4'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
warning: 'sweep': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Sweep.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Sweep-df491e1f'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
warning: 'files': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Files.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Files-835d8468'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
Fetching git@github.com:JohnSundell/Files.git
Fetching git@github.com:JohnSundell/Releases.git
Fetching git@github.com:JohnSundell/Sweep.git
warning: 'releases': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Releases.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Releases-d92825f4'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
warning: 'files': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Files.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Files-835d8468'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
warning: 'sweep': skipping cache due to an error: Failed to clone repository git@github.com:JohnSundell/Sweep.git:
    Cloning into bare repository '/root/.cache/org.swift.swiftpm/repositories/Sweep-df491e1f'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
Updated https://github.com/mxcl/Chalk.git (0.19s)
Updated https://github.com/apple/swift-argument-parser (0.23s)
error: Failed to clone repository git@github.com:JohnSundell/Files.git:
    Cloning into bare repository '/host/spi-builder-workspace/.build/repositories/Files-835d8468'...
    Host key verification failed.
fatal: Could not read from remote repository.
    Please make sure you have the correct access rights
    and the repository exists.
BUILD FAILURE 6.1 linux