The Swift Package Index logo.Swift Package Index

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 Cerberus, reference master (ed6193), with Swift 6.1 for Linux on 25 Apr 2025 11:54:50 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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/bermudadigitalstudio/cerberus.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/bermudadigitalstudio/cerberus
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at ed6193a Moved the Log repo to @bermudadigitalstudio, because it was deleted from @lgaches account.
Cloned https://github.com/bermudadigitalstudio/cerberus.git
Revision (git rev-parse @):
ed6193a45c6f7092d083aa3fb89ce99bf5dadff9
SUCCESS checkout https://github.com/bermudadigitalstudio/cerberus.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/bermudadigitalstudio/cerberus.git
https://github.com/bermudadigitalstudio/cerberus.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.1",
            "upper_bound" : "0.1.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/bermudadigitalstudio/Log.git"
    }
  ],
  "manifest_display_name" : "Cerberus",
  "name" : "Cerberus",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Cerberus",
      "targets" : [
        "Cerberus"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CerberusTests",
      "module_type" : "SwiftTarget",
      "name" : "CerberusTests",
      "path" : "Tests/CerberusTests",
      "sources" : [
        "AutoRenewalTests.swift",
        "KubernetesVaultTests.swift",
        "LiveVaultTests.swift"
      ],
      "target_dependencies" : [
        "Cerberus"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Cerberus",
      "module_type" : "SwiftTarget",
      "name" : "Cerberus",
      "path" : "Sources/Cerberus",
      "product_dependencies" : [
        "Log"
      ],
      "product_memberships" : [
        "Cerberus"
      ],
      "sources" : [
        "RenewalManager.swift",
        "VaultAPIClient.swift",
        "VaultClient+Kubernetes.swift",
        "VaultClient.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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/bermudadigitalstudio/Log.git
[1/15] Fetching log
Fetched https://github.com/bermudadigitalstudio/Log.git from cache (0.69s)
Computing version for https://github.com/bermudadigitalstudio/Log.git
Computed https://github.com/bermudadigitalstudio/Log.git at 0.0.1 (1.89s)
Creating working copy for https://github.com/bermudadigitalstudio/Log.git
Working copy of https://github.com/bermudadigitalstudio/Log.git resolved at 0.0.1
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/5] Compiling Log Log.swift
[5/5] Emitting module Log
[7/11] Compiling Cerberus VaultClient+Kubernetes.swift
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:27: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                           `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:54: error: cannot infer contextual base in reference to member 'default'
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                                                      `- error: cannot infer contextual base in reference to member 'default'
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
[8/11] Compiling Cerberus RenewalManager.swift
/host/spi-builder-workspace/Sources/Cerberus/RenewalManager.swift:38:13: warning: capture of 'logger' with non-sendable type '(any Log)?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
36 |
37 |         DispatchQueue.global().asyncAfter(deadline: time) { [weak self] in
38 |             logger?.debug("Beginning renewal...")
   |             `- warning: capture of 'logger' with non-sendable type '(any Log)?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
39 |
40 |             guard let strongSelf = self else {
/host/spi-builder-workspace/.build/checkouts/Log/Sources/Log/Log.swift:9:17: note: protocol 'Log' does not conform to the 'Sendable' protocol
 7 | }
 8 |
 9 | public protocol Log {
   |                 `- note: protocol 'Log' does not conform to the 'Sendable' protocol
10 |
11 |     func log(_ level: LogLevel, _ message: @autoclosure () -> Any, _ file: String, _ function: String, line: Int, context: Any?)
/host/spi-builder-workspace/Sources/Cerberus/RenewalManager.swift:2:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Log'
 1 | import Dispatch
 2 | import Log
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Log'
 3 |
 4 | public protocol VaultClientTokenRenewable: class {
/host/spi-builder-workspace/Sources/Cerberus/RenewalManager.swift:40:36: warning: capture of 'self' with non-sendable type 'RenewalManager?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 6 |     func renewToken() throws
 7 | }
 8 | public final class RenewalManager {
   |                    `- note: class 'RenewalManager' does not conform to the 'Sendable' protocol
 9 |
10 |     unowned let vaultClient: VaultClientTokenRenewable
   :
38 |             logger?.debug("Beginning renewal...")
39 |
40 |             guard let strongSelf = self else {
   |                                    `- warning: capture of 'self' with non-sendable type 'RenewalManager?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
41 |                 logger?.debug("RenewalManager has deinitialized, aborting.")
42 |                 return
error: emit-module command failed with exit code 1 (use -v to see invocation)
[9/11] Emitting module Cerberus
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:4:23: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
  2 | import Dispatch
  3 |
  4 | private let session = URLSession(configuration: .default)
    |                       `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
  5 |
  6 | struct Sys {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:4:50: error: cannot infer contextual base in reference to member 'default'
  2 | import Dispatch
  3 |
  4 | private let session = URLSession(configuration: .default)
    |                                                  `- error: cannot infer contextual base in reference to member 'default'
  5 |
  6 | struct Sys {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:202:65: error: cannot find type 'URLRequest' in scope
200 | }
201 |
202 | private func requestForURL(_ url: URL, token: String? = nil) -> URLRequest {
    |                                                                 `- error: cannot find type 'URLRequest' in scope
203 |     let request: URLRequest
204 |     if let t = token {
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:27: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                           `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:54: error: cannot infer contextual base in reference to member 'default'
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                                                      `- error: cannot infer contextual base in reference to member 'default'
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
[10/11] Compiling Cerberus VaultAPIClient.swift
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:4:23: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
  2 | import Dispatch
  3 |
  4 | private let session = URLSession(configuration: .default)
    |                       `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
  5 |
  6 | struct Sys {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:4:50: error: cannot infer contextual base in reference to member 'default'
  2 | import Dispatch
  3 |
  4 | private let session = URLSession(configuration: .default)
    |                                                  `- error: cannot infer contextual base in reference to member 'default'
  5 |
  6 | struct Sys {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:202:65: error: cannot find type 'URLRequest' in scope
200 | }
201 |
202 | private func requestForURL(_ url: URL, token: String? = nil) -> URLRequest {
    |                                                                 `- error: cannot find type 'URLRequest' in scope
203 |     let request: URLRequest
204 |     if let t = token {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:203:18: error: cannot find type 'URLRequest' in scope
201 |
202 | private func requestForURL(_ url: URL, token: String? = nil) -> URLRequest {
203 |     let request: URLRequest
    |                  `- error: cannot find type 'URLRequest' in scope
204 |     if let t = token {
205 |         var tokenReq = URLRequest(url: url)
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:205:24: error: cannot find 'URLRequest' in scope
203 |     let request: URLRequest
204 |     if let t = token {
205 |         var tokenReq = URLRequest(url: url)
    |                        `- error: cannot find 'URLRequest' in scope
206 |         tokenReq.setValue(t, forHTTPHeaderField: "X-Vault-Token")
207 |         request = tokenReq
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:209:19: error: cannot find 'URLRequest' in scope
207 |         request = tokenReq
208 |     } else {
209 |         request = URLRequest(url: url)
    |                   `- error: cannot find 'URLRequest' in scope
210 |     }
211 |     return request
[11/11] Compiling Cerberus VaultClient.swift
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:27: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                           `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:54: error: cannot infer contextual base in reference to member 'default'
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                                                      `- error: cannot infer contextual base in reference to member 'default'
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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 Log Log.swift
[3/3] Emitting module Log
[5/9] Compiling Cerberus VaultClient.swift
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:27: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                           `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:54: error: cannot infer contextual base in reference to member 'default'
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                                                      `- error: cannot infer contextual base in reference to member 'default'
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
[6/9] Compiling Cerberus VaultClient+Kubernetes.swift
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:27: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                           `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:54: error: cannot infer contextual base in reference to member 'default'
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                                                      `- error: cannot infer contextual base in reference to member 'default'
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
[7/9] Compiling Cerberus VaultAPIClient.swift
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:4:23: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
  2 | import Dispatch
  3 |
  4 | private let session = URLSession(configuration: .default)
    |                       `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
  5 |
  6 | struct Sys {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:4:50: error: cannot infer contextual base in reference to member 'default'
  2 | import Dispatch
  3 |
  4 | private let session = URLSession(configuration: .default)
    |                                                  `- error: cannot infer contextual base in reference to member 'default'
  5 |
  6 | struct Sys {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:202:65: error: cannot find type 'URLRequest' in scope
200 | }
201 |
202 | private func requestForURL(_ url: URL, token: String? = nil) -> URLRequest {
    |                                                                 `- error: cannot find type 'URLRequest' in scope
203 |     let request: URLRequest
204 |     if let t = token {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:203:18: error: cannot find type 'URLRequest' in scope
201 |
202 | private func requestForURL(_ url: URL, token: String? = nil) -> URLRequest {
203 |     let request: URLRequest
    |                  `- error: cannot find type 'URLRequest' in scope
204 |     if let t = token {
205 |         var tokenReq = URLRequest(url: url)
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:205:24: error: cannot find 'URLRequest' in scope
203 |     let request: URLRequest
204 |     if let t = token {
205 |         var tokenReq = URLRequest(url: url)
    |                        `- error: cannot find 'URLRequest' in scope
206 |         tokenReq.setValue(t, forHTTPHeaderField: "X-Vault-Token")
207 |         request = tokenReq
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:209:19: error: cannot find 'URLRequest' in scope
207 |         request = tokenReq
208 |     } else {
209 |         request = URLRequest(url: url)
    |                   `- error: cannot find 'URLRequest' in scope
210 |     }
211 |     return request
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/9] Compiling Cerberus RenewalManager.swift
[9/9] Emitting module Cerberus
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:4:23: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
  2 | import Dispatch
  3 |
  4 | private let session = URLSession(configuration: .default)
    |                       `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
  5 |
  6 | struct Sys {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:4:50: error: cannot infer contextual base in reference to member 'default'
  2 | import Dispatch
  3 |
  4 | private let session = URLSession(configuration: .default)
    |                                                  `- error: cannot infer contextual base in reference to member 'default'
  5 |
  6 | struct Sys {
/host/spi-builder-workspace/Sources/Cerberus/VaultAPIClient.swift:202:65: error: cannot find type 'URLRequest' in scope
200 | }
201 |
202 | private func requestForURL(_ url: URL, token: String? = nil) -> URLRequest {
    |                                                                 `- error: cannot find type 'URLRequest' in scope
203 |     let request: URLRequest
204 |     if let t = token {
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:27: error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                           `- error: 'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
/host/spi-builder-workspace/Sources/Cerberus/VaultClient.swift:17:54: error: cannot infer contextual base in reference to member 'default'
 15 |     public let vaultAuthority: URL
 16 |     public let logger: Log?
 17 |     private let session = URLSession(configuration: .default)
    |                                                      `- error: cannot infer contextual base in reference to member 'default'
 18 |     public var token: String?
 19 |     public var renewalManager: RenewalManager?
BUILD FAILURE 6.1 linux