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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 Existential Graphs Foundation, reference main (06f7eb), with Swift 6.1 for Linux on 26 Apr 2025 22:17:00 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/Gerzer/Existential-Graphs-Foundation.git
Reference: main
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/Gerzer/Existential-Graphs-Foundation
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 06f7eb4 Create LICENSE
Cloned https://github.com/Gerzer/Existential-Graphs-Foundation.git
Revision (git rev-parse @):
06f7eb458a656ab99277a571f5eef1f24e692ec5
SUCCESS checkout https://github.com/Gerzer/Existential-Graphs-Foundation.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Gerzer/Existential-Graphs-Foundation.git
https://github.com/Gerzer/Existential-Graphs-Foundation.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "silica",
      "requirement" : {
        "branch" : [
          "master"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/PureSwift/Silica.git"
    },
    {
      "identity" : "logicparser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Gerzer/LogicParser.git"
    }
  ],
  "manifest_display_name" : "Existential Graphs Foundation",
  "name" : "Existential Graphs Foundation",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "ExistentialGraphsFoundation",
      "targets" : [
        "ExistentialGraphsFoundation"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ExistentialGraphsFoundation",
      "module_type" : "SwiftTarget",
      "name" : "ExistentialGraphsFoundation",
      "path" : "Sources/ExistentialGraphsFoundation",
      "product_dependencies" : [
        "Silica",
        "LogicParser"
      ],
      "product_memberships" : [
        "ExistentialGraphsFoundation"
      ],
      "sources" : [
        "Bounded.swift",
        "Cut.swift",
        "ExistentialGraphsFoundation.swift",
        "Graph.swift",
        "GraphElement.swift",
        "GraphObject.swift",
        "Literal.swift",
        "TransformationTransaction.swift",
        "Unique.swift",
        "Utilities.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/PureSwift/Silica.git
[1/1226] Fetching silica
Fetched https://github.com/PureSwift/Silica.git from cache (0.19s)
Fetching https://github.com/PureSwift/Cairo.git
[1/3617] Fetching cairo
Fetched https://github.com/PureSwift/Cairo.git from cache (0.90s)
Fetching https://github.com/PureSwift/FontConfig.git
[1/123] Fetching fontconfig
Fetched https://github.com/PureSwift/FontConfig.git from cache (0.16s)
Fetching https://github.com/Gerzer/LogicParser.git
[1/18] Fetching logicparser
Fetched https://github.com/Gerzer/LogicParser.git from cache (0.18s)
Computing version for https://github.com/Gerzer/LogicParser.git
Computed https://github.com/Gerzer/LogicParser.git at 1.0.0 (0.74s)
Fetching https://github.com/palle-k/Covfefe.git
[1/2438] Fetching covfefe
Fetched https://github.com/palle-k/Covfefe.git from cache (0.35s)
Computing version for https://github.com/palle-k/Covfefe.git
Computed https://github.com/palle-k/Covfefe.git at 0.6.1 (0.82s)
Creating working copy for https://github.com/palle-k/Covfefe.git
Working copy of https://github.com/palle-k/Covfefe.git resolved at 0.6.1
Creating working copy for https://github.com/PureSwift/FontConfig.git
Working copy of https://github.com/PureSwift/FontConfig.git resolved at master (02b7b62)
Creating working copy for https://github.com/PureSwift/Silica.git
Working copy of https://github.com/PureSwift/Silica.git resolved at master (16f8c29)
Creating working copy for https://github.com/PureSwift/Cairo.git
Working copy of https://github.com/PureSwift/Cairo.git resolved at master (646b210)
Creating working copy for https://github.com/Gerzer/LogicParser.git
Working copy of https://github.com/Gerzer/LogicParser.git resolved at 1.0.0
warning: you may be able to install fontconfig using your system-packager:
    apt-get install libfontconfig-dev
warning: you may be able to install freetype using your system-packager:
    apt-get install libfreetype6-dev
warning: you may be able to install cairo using your system-packager:
    apt-get install libcairo2-dev
warning: you may be able to install fontconfig using your system-packager:
    apt-get install libfontconfig-dev
warning: you may be able to install freetype using your system-packager:
    apt-get install libfreetype6-dev
warning: you may be able to install cairo using your system-packager:
    apt-get install libcairo2-dev
Building for debugging...
[0/7] Write sources
[6/7] Write swift-version-24593BA9C3E375BF.txt
[8/30] Compiling FontConfig FontWeight.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
[9/30] Compiling FontConfig FontSlant.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/30] Emitting module FontConfig
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
[11/30] Compiling FontConfig FontConfig.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
[12/30] Compiling FontConfig Pattern.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
[13/30] Compiling FontConfig FontWidth.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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
warning: you may be able to install fontconfig using your system-packager:
    apt-get install libfontconfig-dev
warning: you may be able to install freetype using your system-packager:
    apt-get install libfreetype6-dev
warning: you may be able to install cairo using your system-packager:
    apt-get install libcairo2-dev
warning: you may be able to install fontconfig using your system-packager:
    apt-get install libfontconfig-dev
warning: you may be able to install freetype using your system-packager:
    apt-get install libfreetype6-dev
warning: you may be able to install cairo using your system-packager:
    apt-get install libcairo2-dev
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/24] Compiling FontConfig FontConfig.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/24] Emitting module FontConfig
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
[4/24] Compiling FontConfig FontWidth.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
[5/24] Compiling FontConfig FontWeight.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
[6/24] Compiling FontConfig FontSlant.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
[7/24] Emitting module Covfefe
[8/26] Compiling FontConfig Pattern.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/CFontConfig/shim.h:1:10: error: 'fontconfig/fontconfig.h' file not found
1 | #include <fontconfig/fontconfig.h>
  |          `- error: 'fontconfig/fontconfig.h' file not found
2 | #include <fontconfig/fcfreetype.h>
3 |
/host/spi-builder-workspace/.build/checkouts/FontConfig/Sources/FontConfig/FontConfig.swift:8:8: error: could not build C module 'CFontConfig'
 6 | //
 7 |
 8 | import CFontConfig
   |        `- error: could not build C module 'CFontConfig'
 9 |
10 | public final class FontConfiguration {
BUILD FAILURE 6.1 linux