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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 Venice, reference master (3e7844), with Swift 6.1 for Linux on 25 Apr 2025 13:07:09 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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/Zewo/Venice.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/Zewo/Venice
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3e78449 Merge pull request #39 from Zewo/swift-4
Cloned https://github.com/Zewo/Venice.git
Revision (git rev-parse @):
3e78449dfefac3ab2952200ff8a4fa0165ef415a
SUCCESS checkout https://github.com/Zewo/Venice.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Zewo/Venice.git
https://github.com/Zewo/Venice.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "clibdill",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Zewo/CLibdill.git"
    }
  ],
  "manifest_display_name" : "Venice",
  "name" : "Venice",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Venice",
      "targets" : [
        "Venice"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "VeniceTests",
      "module_type" : "SwiftTarget",
      "name" : "VeniceTests",
      "path" : "Tests/VeniceTests",
      "sources" : [
        "Venice/Assert.swift",
        "Venice/ChannelTests.swift",
        "Venice/CoroutineTests.swift",
        "Venice/TimeTests.swift"
      ],
      "target_dependencies" : [
        "Venice"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Venice",
      "module_type" : "SwiftTarget",
      "name" : "Venice",
      "path" : "Sources/Venice",
      "product_memberships" : [
        "Venice"
      ],
      "sources" : [
        "Channel.swift",
        "Coroutine.swift",
        "Error.swift",
        "FileDescriptor.swift",
        "Time.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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/Zewo/CLibdill.git
[1/94] Fetching clibdill
Fetched https://github.com/Zewo/CLibdill.git from cache (0.22s)
Computing version for https://github.com/Zewo/CLibdill.git
Computed https://github.com/Zewo/CLibdill.git at 2.0.0 (0.86s)
Creating working copy for https://github.com/Zewo/CLibdill.git
Working copy of https://github.com/Zewo/CLibdill.git resolved at 2.0.0
warning: 'clibdill': ignoring declared target(s) 'CLibdill' in the system package
warning: 'spi-builder-workspace': dependency 'clibdill' is not used by any target
warning: you may be able to install libdill using your system-packager:
    apt-get install libdill
warning: you may be able to install libdill using your system-packager:
    apt-get install libdill
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/8] Compiling Venice Time.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
[4/8] Compiling Venice FileDescriptor.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
[5/8] Compiling Venice Error.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/8] Emitting module Venice
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
[7/8] Compiling Venice Channel.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
[8/8] Compiling Venice Coroutine.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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: 'clibdill': ignoring declared target(s) 'CLibdill' in the system package
warning: 'spi-builder-workspace': dependency 'clibdill' is not used by any target
warning: you may be able to install libdill using your system-packager:
    apt-get install libdill
warning: you may be able to install libdill using your system-packager:
    apt-get install libdill
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/7] Compiling Venice FileDescriptor.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
[3/7] Compiling Venice Time.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/7] Emitting module Venice
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
[5/7] Compiling Venice Channel.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
[6/7] Compiling Venice Error.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
[7/7] Compiling Venice Coroutine.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "clibdill.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/host/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
BUILD FAILURE 6.1 linux