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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 PerfectICONV, reference 3.0.1 (9158e2), with Swift 6.1 for Linux on 25 Apr 2025 08:47:56 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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/perfectsiderepos/perfect-iconv.git
Reference: 3.0.1
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/perfectsiderepos/perfect-iconv
 * tag               3.0.1      -> FETCH_HEAD
HEAD is now at 9158e26 updating doc
Cloned https://github.com/perfectsiderepos/perfect-iconv.git
Revision (git rev-parse @):
9158e26559b7e33eff6b9bd890fd1e80134dd3af
SUCCESS checkout https://github.com/perfectsiderepos/perfect-iconv.git at 3.0.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/perfectsiderepos/perfect-iconv.git
https://github.com/perfectsiderepos/perfect-iconv.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PerfectICONV",
  "name" : "PerfectICONV",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "PerfectICONV",
      "targets" : [
        "PerfectICONV"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PerfectICONVTests",
      "module_type" : "SwiftTarget",
      "name" : "PerfectICONVTests",
      "path" : "Tests/PerfectICONVTests",
      "sources" : [
        "PerfectICONVTests.swift"
      ],
      "target_dependencies" : [
        "PerfectICONV"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PerfectICONV",
      "module_type" : "SwiftTarget",
      "name" : "PerfectICONV",
      "path" : "Sources/PerfectICONV",
      "product_memberships" : [
        "PerfectICONV"
      ],
      "sources" : [
        "PerfectICONV.swift"
      ],
      "target_dependencies" : [
        "ICONVApiLinux"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ICONVApiLinux",
      "module_type" : "ClangTarget",
      "name" : "ICONVApiLinux",
      "path" : "Sources/ICONVApiLinux",
      "product_memberships" : [
        "PerfectICONV"
      ],
      "sources" : [
        "ICONVApiLinux.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$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
Building for debugging...
[0/3] Write sources
[1/3] Compiling ICONVApiLinux ICONVApiLinux.c
[1/3] Write swift-version-24593BA9C3E375BF.txt
[4/5] Emitting module PerfectICONV
[5/5] Compiling PerfectICONV PerfectICONV.swift
/host/spi-builder-workspace/Sources/PerfectICONV/PerfectICONV.swift:72:5: error: cannot find 'memset' in scope
 70 |
 71 |     // clean the buffers
 72 |     memset(src, 0, cap)
    |     `- error: cannot find 'memset' in scope
 73 |     memset(tag, 0, cap)
 74 |
/host/spi-builder-workspace/Sources/PerfectICONV/PerfectICONV.swift:73:5: error: cannot find 'memset' in scope
 71 |     // clean the buffers
 72 |     memset(src, 0, cap)
 73 |     memset(tag, 0, cap)
    |     `- error: cannot find 'memset' in scope
 74 |
 75 |     // copy the buffer
/host/spi-builder-workspace/Sources/PerfectICONV/PerfectICONV.swift:76:5: error: cannot find 'memcpy' in scope
 74 |
 75 |     // copy the buffer
 76 |     memcpy(src, buf, length)
    |     `- error: cannot find 'memcpy' in scope
 77 |
 78 |     // *NOTE* MUST DUPLICATE POINTERS
/host/spi-builder-workspace/Sources/PerfectICONV/PerfectICONV.swift:110:5: error: cannot find 'memcpy' in scope
108 |     let sz = cap - szb
109 |     let des = UnsafeMutablePointer<Int8>.allocate(capacity: sz)
110 |     memcpy(des, tag, sz)
    |     `- error: cannot find 'memcpy' in scope
111 |     #if swift(>=4.1)
112 |     tag.deallocate()
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/3] Emitting module PerfectICONV
[3/3] Compiling PerfectICONV PerfectICONV.swift
/host/spi-builder-workspace/Sources/PerfectICONV/PerfectICONV.swift:72:5: error: cannot find 'memset' in scope
 70 |
 71 |     // clean the buffers
 72 |     memset(src, 0, cap)
    |     `- error: cannot find 'memset' in scope
 73 |     memset(tag, 0, cap)
 74 |
/host/spi-builder-workspace/Sources/PerfectICONV/PerfectICONV.swift:73:5: error: cannot find 'memset' in scope
 71 |     // clean the buffers
 72 |     memset(src, 0, cap)
 73 |     memset(tag, 0, cap)
    |     `- error: cannot find 'memset' in scope
 74 |
 75 |     // copy the buffer
/host/spi-builder-workspace/Sources/PerfectICONV/PerfectICONV.swift:76:5: error: cannot find 'memcpy' in scope
 74 |
 75 |     // copy the buffer
 76 |     memcpy(src, buf, length)
    |     `- error: cannot find 'memcpy' in scope
 77 |
 78 |     // *NOTE* MUST DUPLICATE POINTERS
/host/spi-builder-workspace/Sources/PerfectICONV/PerfectICONV.swift:110:5: error: cannot find 'memcpy' in scope
108 |     let sz = cap - szb
109 |     let des = UnsafeMutablePointer<Int8>.allocate(capacity: sz)
110 |     memcpy(des, tag, sz)
    |     `- error: cannot find 'memcpy' in scope
111 |     #if swift(>=4.1)
112 |     tag.deallocate()
BUILD FAILURE 6.1 linux