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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 FlameGraph, reference master (e1e8e9), with Swift 6.1 for Linux on 25 Apr 2025 09:46:29 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/lennet/flamegraph.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/lennet/flamegraph
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at e1e8e96 bumped version number
Cloned https://github.com/lennet/flamegraph.git
Revision (git rev-parse @):
e1e8e963b2f1b23b0dbba7c0d08fce1b2ef1f572
SUCCESS checkout https://github.com/lennet/flamegraph.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/lennet/flamegraph.git
https://github.com/lennet/flamegraph.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "yaap",
      "requirement" : {
        "branch" : [
          "master"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/hartbit/Yaap.git"
    }
  ],
  "manifest_display_name" : "FlameGraph",
  "name" : "FlameGraph",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "FlameGraph",
      "targets" : [
        "FlameGraph"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "FlameGraphCore",
      "targets" : [
        "FlameGraphCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlameGraphTests",
      "module_type" : "SwiftTarget",
      "name" : "FlameGraphTests",
      "path" : "Tests/FlameGraphTests",
      "sources" : [
        "FlameGraphTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "FlameGraph"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FlameGraphCoreTests",
      "module_type" : "SwiftTarget",
      "name" : "FlameGraphCoreTests",
      "path" : "Tests/FlameGraphCoreTests",
      "sources" : [
        "SymbolTests.swift",
        "TraceParserTests.swift"
      ],
      "target_dependencies" : [
        "FlameGraphCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FlameGraphCore",
      "module_type" : "SwiftTarget",
      "name" : "FlameGraphCore",
      "path" : "Sources/FlameGraphCore",
      "product_memberships" : [
        "FlameGraph",
        "FlameGraphCore"
      ],
      "sources" : [
        "CallGraphNode.swift",
        "ImageRenderer.swift",
        "Renderer/BaseRenderer.swift",
        "Renderer/CGBasedRenderer.swift",
        "Renderer/HTMLRenderer.swift",
        "Renderer/PDFRenderer.swift",
        "Renderer/Renderer.swift",
        "Symbol.swift",
        "TraceParser.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "FlameGraph",
      "module_type" : "SwiftTarget",
      "name" : "FlameGraph",
      "path" : "Sources/FlameGraph",
      "product_dependencies" : [
        "Yaap"
      ],
      "product_memberships" : [
        "FlameGraph"
      ],
      "sources" : [
        "Errors.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "FlameGraphCore"
      ],
      "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 https://github.com/hartbit/Yaap.git
[1/487] Fetching yaap
Fetched https://github.com/hartbit/Yaap.git from cache (0.45s)
Creating working copy for https://github.com/hartbit/Yaap.git
Working copy of https://github.com/hartbit/Yaap.git resolved at master (034072a)
Building for debugging...
[0/9] Write sources
[3/9] Write swift-version-24593BA9C3E375BF.txt
[5/28] Compiling Yaap SubCommand.swift
[6/29] Compiling FlameGraphCore BaseRenderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[7/30] Compiling Yaap Version.swift
[8/30] Compiling FlameGraphCore TraceParser.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[9/30] Compiling FlameGraphCore Symbol.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[10/30] Compiling Yaap Command.swift
[11/30] Compiling Yaap CommandProperty.swift
[12/30] Emitting module Yaap
[13/30] Compiling Yaap Argument.swift
[14/30] Compiling Yaap ArgumentType.swift
[15/30] Compiling Yaap Option.swift
[16/30] Compiling FlameGraphCore CGBasedRenderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[19/30] Emitting module FlameGraphCore
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[20/30] Compiling FlameGraphCore HTMLRenderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[21/30] Compiling FlameGraphCore Renderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[22/30] Compiling FlameGraphCore PDFRenderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[23/30] Compiling Yaap Extensions.swift
[24/30] Compiling Yaap FileOutputStream.swift
[25/30] Compiling Yaap Help.swift
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
[0/1] Planning build
Building for debugging...
[0/6] Write swift-version-24593BA9C3E375BF.txt
[2/25] Compiling FlameGraphCore Renderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[3/26] Compiling FlameGraphCore Symbol.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[4/26] Compiling FlameGraphCore CGBasedRenderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[5/26] Compiling FlameGraphCore BaseRenderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[6/26] Compiling Yaap Argument.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[7/26] Compiling Yaap ArgumentType.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[8/26] Compiling FlameGraphCore HTMLRenderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[9/26] Compiling FlameGraphCore PDFRenderer.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/26] Emitting module FlameGraphCore
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
[11/26] Compiling FlameGraphCore TraceParser.swift
/host/spi-builder-workspace/Sources/FlameGraphCore/Renderer/BaseRenderer.swift:1:8: error: no such module 'Cocoa'
 1 | import Cocoa
   |        `- error: no such module 'Cocoa'
 2 |
 3 | public class BaseRenderer {
BUILD FAILURE 6.1 linux