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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 FilRepSwift, reference 1.0.0 (cc1a96), with Swift 6.1 for Linux on 26 Apr 2025 20:10:00 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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/chrisvander/FilRepSwift.git
Reference: 1.0.0
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/chrisvander/FilRepSwift
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at cc1a96b Merge remote-tracking branch 'refs/remotes/origin/main'
Cloned https://github.com/chrisvander/FilRepSwift.git
Revision (git rev-parse @):
cc1a96b171228897bcc165197652ad62f2453bb1
SUCCESS checkout https://github.com/chrisvander/FilRepSwift.git at 1.0.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/chrisvander/FilRepSwift.git
https://github.com/chrisvander/FilRepSwift.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FilRepSwift",
  "name" : "FilRepSwift",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    }
  ],
  "products" : [
    {
      "name" : "FilRepSwift",
      "targets" : [
        "FilRepSwift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FilRepSwiftTests",
      "module_type" : "SwiftTarget",
      "name" : "FilRepSwiftTests",
      "path" : "Tests/FilRepSwiftTests",
      "sources" : [
        "FilRepSwiftTests.swift"
      ],
      "target_dependencies" : [
        "FilRepSwift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FilRepSwift",
      "module_type" : "SwiftTarget",
      "name" : "FilRepSwift",
      "path" : "Sources/FilRepSwift",
      "product_memberships" : [
        "FilRepSwift"
      ],
      "sources" : [
        "FilRepSwift.swift",
        "Miner.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/5] Compiling FilRepSwift FilRepSwift.swift
/host/spi-builder-workspace/Sources/FilRepSwift/FilRepSwift.swift:57:31: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 55 |     ) -> Void {
 56 |         let url = self.createURL(offset, limit, sortBy, order, search, region)
 57 |         let task = URLSession.shared.dataTask(with: url) { data, response, error in
    |                               `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 58 |             if (error != nil) {
 59 |                 completion(Result.failure(error!))
/host/spi-builder-workspace/Sources/FilRepSwift/FilRepSwift.swift:82:46: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 80 |     ) async throws -> [Miner] {
 81 |         let url = self.createURL(offset, limit, sortBy, order, search, region)
 82 |         let (data, _) = try await URLSession.shared.data(from: url)
    |                                              `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 83 |         let filRepResponse = try self.getJSONDecoder().decode(FilRepResponse.self, from: data)
 84 |         return filRepResponse.miners
[4/5] Compiling FilRepSwift Miner.swift
[5/5] Emitting module FilRepSwift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/4] Compiling FilRepSwift Miner.swift
[3/4] Compiling FilRepSwift FilRepSwift.swift
/host/spi-builder-workspace/Sources/FilRepSwift/FilRepSwift.swift:57:31: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 55 |     ) -> Void {
 56 |         let url = self.createURL(offset, limit, sortBy, order, search, region)
 57 |         let task = URLSession.shared.dataTask(with: url) { data, response, error in
    |                               `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 58 |             if (error != nil) {
 59 |                 completion(Result.failure(error!))
/host/spi-builder-workspace/Sources/FilRepSwift/FilRepSwift.swift:82:46: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 80 |     ) async throws -> [Miner] {
 81 |         let url = self.createURL(offset, limit, sortBy, order, search, region)
 82 |         let (data, _) = try await URLSession.shared.data(from: url)
    |                                              `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 83 |         let filRepResponse = try self.getJSONDecoder().decode(FilRepResponse.self, from: data)
 84 |         return filRepResponse.miners
[4/4] Emitting module FilRepSwift
BUILD FAILURE 6.1 linux