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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 Base58Swift, reference master (1a7fe5), with Swift 6.1 for Linux on 26 Apr 2025 10:33:10 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/keefertaylor/Base58Swift.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/keefertaylor/Base58Swift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1a7fe53 Update README.md
Cloned https://github.com/keefertaylor/Base58Swift.git
Revision (git rev-parse @):
1a7fe530e5198b81a1b9ddb5629b341116aa8c49
SUCCESS checkout https://github.com/keefertaylor/Base58Swift.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/keefertaylor/Base58Swift.git
https://github.com/keefertaylor/Base58Swift.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "bigint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/attaswift/BigInt.git"
    }
  ],
  "manifest_display_name" : "Base58Swift",
  "name" : "Base58Swift",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Base58Swift",
      "targets" : [
        "Base58Swift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "base58swiftTests",
      "module_type" : "SwiftTarget",
      "name" : "base58swiftTests",
      "path" : "Base58SwiftTests",
      "sources" : [
        "Base58Tests.swift"
      ],
      "target_dependencies" : [
        "Base58Swift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Base58Swift",
      "module_type" : "SwiftTarget",
      "name" : "Base58Swift",
      "path" : "Base58Swift",
      "product_dependencies" : [
        "BigInt"
      ],
      "product_memberships" : [
        "Base58Swift"
      ],
      "sources" : [
        "Base58.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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
Fetching https://github.com/attaswift/BigInt.git
[1/4771] Fetching bigint
Fetched https://github.com/attaswift/BigInt.git from cache (0.51s)
Computing version for https://github.com/attaswift/BigInt.git
Computed https://github.com/attaswift/BigInt.git at 5.5.1 (1.03s)
Creating working copy for https://github.com/attaswift/BigInt.git
Working copy of https://github.com/attaswift/BigInt.git resolved at 5.5.1
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/24] Emitting module BigInt
[5/26] Compiling BigInt Subtraction.swift
[6/26] Compiling BigInt Words and Bits.swift
[7/26] Compiling BigInt Integer Conversion.swift
[8/26] Compiling BigInt Multiplication.swift
[9/26] Compiling BigInt Prime Test.swift
[10/26] Compiling BigInt Strideable.swift
[11/26] Compiling BigInt String Conversion.swift
[12/26] Compiling BigInt Random.swift
[13/26] Compiling BigInt Shifts.swift
[14/26] Compiling BigInt Square Root.swift
[15/26] Compiling BigInt Floating Point Conversion.swift
[16/26] Compiling BigInt GCD.swift
[17/26] Compiling BigInt Hashable.swift
[18/26] Compiling BigInt Bitwise Ops.swift
[19/26] Compiling BigInt Codable.swift
[20/26] Compiling BigInt Comparable.swift
[21/26] Compiling BigInt Addition.swift
[22/26] Compiling BigInt BigInt.swift
[23/26] Compiling BigInt BigUInt.swift
[24/26] Compiling BigInt Data Conversion.swift
[25/26] Compiling BigInt Division.swift
[26/26] Compiling BigInt Exponentiation.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[28/29] Emitting module Base58Swift
/host/spi-builder-workspace/Base58Swift/Base58.swift:4:8: error: no such module 'CommonCrypto'
  2 |
  3 | import BigInt
  4 | import CommonCrypto
    |        `- error: no such module 'CommonCrypto'
  5 | import Foundation
  6 |
[29/29] Compiling Base58Swift Base58.swift
/host/spi-builder-workspace/Base58Swift/Base58.swift:4:8: error: no such module 'CommonCrypto'
  2 |
  3 | import BigInt
  4 | import CommonCrypto
    |        `- error: no such module 'CommonCrypto'
  5 | import Foundation
  6 |
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
[2/22] Emitting module BigInt
[3/24] Compiling BigInt Integer Conversion.swift
[4/24] Compiling BigInt Multiplication.swift
[5/24] Compiling BigInt Prime Test.swift
[6/24] Compiling BigInt Strideable.swift
[7/24] Compiling BigInt String Conversion.swift
[8/24] Compiling BigInt Random.swift
[9/24] Compiling BigInt Shifts.swift
[10/24] Compiling BigInt Square Root.swift
[11/24] Compiling BigInt Bitwise Ops.swift
[12/24] Compiling BigInt Codable.swift
[13/24] Compiling BigInt Comparable.swift
[14/24] Compiling BigInt Floating Point Conversion.swift
[15/24] Compiling BigInt GCD.swift
[16/24] Compiling BigInt Hashable.swift
[17/24] Compiling BigInt Data Conversion.swift
[18/24] Compiling BigInt Division.swift
[19/24] Compiling BigInt Exponentiation.swift
[20/24] Compiling BigInt Addition.swift
[21/24] Compiling BigInt BigInt.swift
[22/24] Compiling BigInt BigUInt.swift
[23/24] Compiling BigInt Subtraction.swift
[24/24] Compiling BigInt Words and Bits.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[26/27] Emitting module Base58Swift
/host/spi-builder-workspace/Base58Swift/Base58.swift:4:8: error: no such module 'CommonCrypto'
  2 |
  3 | import BigInt
  4 | import CommonCrypto
    |        `- error: no such module 'CommonCrypto'
  5 | import Foundation
  6 |
[27/27] Compiling Base58Swift Base58.swift
/host/spi-builder-workspace/Base58Swift/Base58.swift:4:8: error: no such module 'CommonCrypto'
  2 |
  3 | import BigInt
  4 | import CommonCrypto
    |        `- error: no such module 'CommonCrypto'
  5 | import Foundation
  6 |
BUILD FAILURE 6.1 linux