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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 Measure, reference 1.0.2 (ea854f), with Swift 6.1 for Linux on 27 Apr 2025 15:32:18 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/mezhevikin/Measure.git
Reference: 1.0.2
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/mezhevikin/Measure
 * tag               1.0.2      -> FETCH_HEAD
HEAD is now at ea854f0 Fix init method
Cloned https://github.com/mezhevikin/Measure.git
Revision (git rev-parse @):
ea854f030cc775e3b851d15bdec91cd49e92a1fc
SUCCESS checkout https://github.com/mezhevikin/Measure.git at 1.0.2
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/mezhevikin/Measure.git
https://github.com/mezhevikin/Measure.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Measure",
  "name" : "Measure",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.12"
    },
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "products" : [
    {
      "name" : "Measure",
      "targets" : [
        "Measure"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MeasureTests",
      "module_type" : "SwiftTarget",
      "name" : "MeasureTests",
      "path" : "Tests/MeasureTests",
      "sources" : [
        "MeasureTests.swift"
      ],
      "target_dependencies" : [
        "Measure"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Measure",
      "module_type" : "SwiftTarget",
      "name" : "Measure",
      "path" : "Sources/Measure",
      "product_memberships" : [
        "Measure"
      ],
      "sources" : [
        "Measure.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module Measure
/host/spi-builder-workspace/Sources/Measure/Measure.swift:6:24: error: cannot find type 'CFAbsoluteTime' in scope
 4 | public struct Measure {
 5 |     public let key: String
 6 |     private let start: CFAbsoluteTime
   |                        `- error: cannot find type 'CFAbsoluteTime' in scope
 7 |
 8 |     public init(key: String) {
[4/4] Compiling Measure Measure.swift
/host/spi-builder-workspace/Sources/Measure/Measure.swift:6:24: error: cannot find type 'CFAbsoluteTime' in scope
 4 | public struct Measure {
 5 |     public let key: String
 6 |     private let start: CFAbsoluteTime
   |                        `- error: cannot find type 'CFAbsoluteTime' in scope
 7 |
 8 |     public init(key: String) {
/host/spi-builder-workspace/Sources/Measure/Measure.swift:10:22: error: cannot find 'CFAbsoluteTimeGetCurrent' in scope
 8 |     public init(key: String) {
 9 |         self.key = key
10 |         self.start = CFAbsoluteTimeGetCurrent()
   |                      `- error: cannot find 'CFAbsoluteTimeGetCurrent' in scope
11 |     }
12 |
/host/spi-builder-workspace/Sources/Measure/Measure.swift:15:20: error: cannot find 'CFAbsoluteTimeGetCurrent' in scope
13 |     @discardableResult
14 |     public func finish() -> Double {
15 |         let time = CFAbsoluteTimeGetCurrent() - start
   |                    `- error: cannot find 'CFAbsoluteTimeGetCurrent' in scope
16 |         print(String(format: "⏱️ Measure [\(key)]: %.5f sec.", time))
17 |         return time
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
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/3] Compiling Measure Measure.swift
/host/spi-builder-workspace/Sources/Measure/Measure.swift:6:24: error: cannot find type 'CFAbsoluteTime' in scope
 4 | public struct Measure {
 5 |     public let key: String
 6 |     private let start: CFAbsoluteTime
   |                        `- error: cannot find type 'CFAbsoluteTime' in scope
 7 |
 8 |     public init(key: String) {
/host/spi-builder-workspace/Sources/Measure/Measure.swift:10:22: error: cannot find 'CFAbsoluteTimeGetCurrent' in scope
 8 |     public init(key: String) {
 9 |         self.key = key
10 |         self.start = CFAbsoluteTimeGetCurrent()
   |                      `- error: cannot find 'CFAbsoluteTimeGetCurrent' in scope
11 |     }
12 |
/host/spi-builder-workspace/Sources/Measure/Measure.swift:15:20: error: cannot find 'CFAbsoluteTimeGetCurrent' in scope
13 |     @discardableResult
14 |     public func finish() -> Double {
15 |         let time = CFAbsoluteTimeGetCurrent() - start
   |                    `- error: cannot find 'CFAbsoluteTimeGetCurrent' in scope
16 |         print(String(format: "⏱️ Measure [\(key)]: %.5f sec.", time))
17 |         return time
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/3] Emitting module Measure
/host/spi-builder-workspace/Sources/Measure/Measure.swift:6:24: error: cannot find type 'CFAbsoluteTime' in scope
 4 | public struct Measure {
 5 |     public let key: String
 6 |     private let start: CFAbsoluteTime
   |                        `- error: cannot find type 'CFAbsoluteTime' in scope
 7 |
 8 |     public init(key: String) {
BUILD FAILURE 6.1 linux