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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

Successful build of ProgressSpinnerKit, reference main (d5545c), with Swift 6.0 for macOS (SPM) on 1 Nov 2024 14:09:22 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/yutailang0119/progressspinnerkit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/yutailang0119/progressspinnerkit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at d5545c7 Merge pull request #47 from yutailang0119/dependabot/github_actions/actions/checkout-4.1.7
Cloned https://github.com/yutailang0119/progressspinnerkit.git
Revision (git rev-parse @):
d5545c7d8cd9c0d58497215f845f9a812710d119
SUCCESS checkout https://github.com/yutailang0119/progressspinnerkit.git at main
Fetching https://github.com/apple/swift-tools-support-core
Fetching https://github.com/apple/swift-system.git
[1/3901] Fetching swift-system
[3902/10423] Fetching swift-system, swift-tools-support-core
Fetched https://github.com/apple/swift-tools-support-core from cache (1.40s)
Fetched https://github.com/apple/swift-system.git from cache (1.40s)
Computing version for https://github.com/apple/swift-tools-support-core
Computed https://github.com/apple/swift-tools-support-core at 0.6.1 (0.76s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.1.1 (0.69s)
Creating working copy for https://github.com/apple/swift-tools-support-core
Working copy of https://github.com/apple/swift-tools-support-core resolved at 0.6.1
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.1.1
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "progressspinnerkit",
      "name": "ProgressSpinnerKit",
      "url": "https://github.com/yutailang0119/progressspinnerkit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/progressspinnerkit",
      "dependencies": [
        {
          "identity": "swift-tools-support-core",
          "name": "swift-tools-support-core",
          "url": "https://github.com/apple/swift-tools-support-core",
          "version": "0.7.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-tools-support-core",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/yutailang0119/progressspinnerkit.git
[1/358] Fetching progressspinnerkit
Fetched https://github.com/yutailang0119/progressspinnerkit.git from cache (0.89s)
Fetching https://github.com/apple/swift-tools-support-core from cache
Fetched https://github.com/apple/swift-tools-support-core from cache (0.68s)
Computing version for https://github.com/apple/swift-tools-support-core
Computed https://github.com/apple/swift-tools-support-core at 0.7.1 (0.76s)
Creating working copy for https://github.com/apple/swift-tools-support-core
Working copy of https://github.com/apple/swift-tools-support-core resolved at 0.7.1
Creating working copy for https://github.com/yutailang0119/progressspinnerkit.git
Working copy of https://github.com/yutailang0119/progressspinnerkit.git resolved at main (d5545c7)
warning: '.resolve-product-dependencies': dependency 'progressspinnerkit' is not used by any target
Found 1 product dependencies
  - swift-tools-support-core
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/yutailang0119/progressspinnerkit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/16] Write sources
[6/16] Write Demo-entitlement.plist
[7/16] Compiling CSystem shims.c
[7/16] Compiling TSCclibc process.c
[9/16] Compiling TSCclibc libc.c
[10/16] Write swift-version--7754E27361AE5C74.txt
[12/39] Emitting module SystemPackage
[13/41] Emitting module TSCLibc
[14/41] Compiling TSCLibc libc.swift
[15/41] Compiling SystemPackage Exports.swift
[16/41] Compiling SystemPackage Mocking.swift
[17/41] Compiling SystemPackage PlatformString.swift
[18/41] Compiling SystemPackage SystemString.swift
[19/41] Compiling SystemPackage Syscalls.swift
[20/41] Compiling SystemPackage WindowsSyscallAdapters.swift
[21/41] Compiling SystemPackage FilePathString.swift
[22/41] Compiling SystemPackage FilePathSyntax.swift
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[32/41] Compiling SystemPackage FileOperations.swift
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[34/41] Compiling SystemPackage FilePathComponentView.swift
[35/41] Compiling SystemPackage Util.swift
[36/41] Compiling SystemPackage UtilConsumers.swift
[37/82] Compiling TSCBasic OSLog.swift
[38/82] Compiling TSCBasic ObjectIdentifierProtocol.swift
[39/82] Compiling TSCBasic OrderedDictionary.swift
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[41/82] Compiling TSCBasic DeltaAlgorithm.swift
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[43/82] Compiling TSCBasic DictionaryExtensions.swift
[44/82] Compiling TSCBasic DictionaryLiteralExtensions.swift
[45/82] Compiling TSCBasic EditDistance.swift
[46/86] Emitting module TSCBasic
[47/86] Compiling TSCBasic Closable.swift
[48/86] Compiling TSCBasic CodableResult.swift
[49/86] Compiling TSCBasic CollectionAlgorithms.swift
[50/86] Compiling TSCBasic CollectionExtensions.swift
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[53/86] Compiling TSCBasic SynchronizedQueue.swift
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[65/86] Compiling TSCBasic JSONMapper.swift
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[67/86] Compiling TSCBasic LazyCache.swift
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[71/86] Compiling TSCBasic Process.swift
[72/86] Compiling TSCBasic ProcessEnv.swift
[73/86] Compiling TSCBasic Thread.swift
[74/86] Compiling TSCBasic Tuple.swift
[75/86] Compiling TSCBasic WritableByteStream.swift
[76/86] Compiling TSCBasic misc.swift
[77/86] Compiling TSCBasic FileInfo.swift
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[79/86] Compiling TSCBasic GraphAlgorithms.swift
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[81/86] Compiling TSCBasic JSON.swift
[82/122] Compiling TSCUtility BuildFlags.swift
[83/122] Compiling TSCUtility CollectionExtensions.swift
[84/122] Compiling TSCUtility Context.swift
[85/122] Compiling TSCUtility Diagnostics.swift
[86/125] Compiling TSCUtility FSWatch.swift
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[100/125] Compiling TSCUtility Archiver.swift
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[102/125] Compiling TSCUtility ArgumentParserShellCompletion.swift
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[107/125] Compiling TSCUtility Netrc.swift
[108/125] Emitting module TSCUtility
[109/125] Compiling TSCUtility StringExtensions.swift
[110/125] Compiling TSCUtility StringMangling.swift
[111/125] Compiling TSCUtility Tracing.swift
[112/125] Compiling TSCUtility Triple.swift
[113/125] Compiling TSCUtility PolymorphicCodable.swift
[114/125] Compiling TSCUtility ProgressAnimation.swift
[115/125] Compiling TSCUtility SerializedDiagnostics.swift
[116/125] Compiling TSCUtility SimplePersistence.swift
[117/125] Compiling TSCUtility Bits.swift
[118/125] Compiling TSCUtility Bitstream.swift
[119/125] Compiling TSCUtility BitstreamReader.swift
[120/125] Compiling TSCUtility BitstreamWriter.swift
[120/125] Write Objects.LinkFileList
[121/125] Linking libSwiftToolsSupport.dylib
[123/128] Compiling ProgressSpinnerKit Spinner.swift
[124/128] Emitting module ProgressSpinnerKit
[125/128] Compiling ProgressSpinnerKit ProgressSpinner.swift
/Users/admin/builder/spi-builder-workspace/Sources/ProgressSpinnerKit/ProgressSpinner.swift:60:30: warning: capture of 'self' with non-sendable type 'SingleLineProgressSpinnar?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 21 |
 22 | /// A single line progress bar.
 23 | final class SingleLineProgressSpinnar: ProgressSpinnable {
    |             `- note: class 'SingleLineProgressSpinnar' does not conform to the 'Sendable' protocol
 24 |     private let stream: OutputByteStream
 25 |     private let header: String
    :
 58 |
 59 |         queue.async { [weak self] in
 60 |             guard let self = self else {
    |                              `- warning: capture of 'self' with non-sendable type 'SingleLineProgressSpinnar?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 61 |                 return
 62 |             }
/Users/admin/builder/spi-builder-workspace/Sources/ProgressSpinnerKit/ProgressSpinner.swift:115:30: warning: capture of 'self' with non-sendable type 'SimpleProgressSpinner?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 80 | }
 81 |
 82 | final class SimpleProgressSpinner: ProgressSpinnable {
    |             `- note: class 'SimpleProgressSpinner' does not conform to the 'Sendable' protocol
 83 |     private let stream: OutputByteStream
 84 |     private let header: String
    :
113 |
114 |         queue.async { [weak self] in
115 |             guard let self = self else {
    |                              `- warning: capture of 'self' with non-sendable type 'SimpleProgressSpinner?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
116 |                 return
117 |             }
/Users/admin/builder/spi-builder-workspace/Sources/ProgressSpinnerKit/ProgressSpinner.swift:164:30: warning: capture of 'self' with non-sendable type 'ProgressSpinner?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
138 | }
139 |
140 | final class ProgressSpinner: ProgressSpinnable {
    |             `- note: class 'ProgressSpinner' does not conform to the 'Sendable' protocol
141 |     private let term: TerminalController
142 |     private let header: String
    :
162 |
163 |         queue.async { [weak self] in
164 |             guard let self = self else {
    |                              `- warning: capture of 'self' with non-sendable type 'ProgressSpinner?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
165 |                 return
166 |             }
[126/130] Emitting module Demo
[127/130] Compiling Demo Demo.swift
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:11:95: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
  9 |
 10 |         do {
 11 |             let defaultSpinner = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " default:")
    |                                                                                               `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 12 |             defaultSpinner.start()
 13 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:18:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 16 |
 17 |         do {
 18 |             let box1 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " box1:", spinner: Spinner(kind: .box1))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 19 |             box1.start()
 20 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:25:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 23 |
 24 |         do {
 25 |             let box2 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " box2:", spinner: Spinner(kind: .box2))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 26 |             box2.start()
 27 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:32:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 |         do {
 32 |             let box3 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " box3:", spinner: Spinner(kind: .box3))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 33 |             box3.start()
 34 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:39:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 37 |
 38 |         do {
 39 |             let box4 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " box4:", spinner: Spinner(kind: .box4))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 40 |             box4.start()
 41 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:46:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 44 |
 45 |         do {
 46 |             let box5 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " box5:", spinner: Spinner(kind: .box5))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 47 |             box5.start()
 48 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:53:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 51 |
 52 |         do {
 53 |             let box6 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " box6:", spinner: Spinner(kind: .box6))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 54 |             box6.start()
 55 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:60:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 58 |
 59 |         do {
 60 |             let box7 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " box7:", spinner: Spinner(kind: .box7))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 61 |             box7.start()
 62 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:67:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 65 |
 66 |         do {
 67 |             let bar1 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " bar1:", spinner: Spinner(kind: .bar1))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 68 |             bar1.start()
 69 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:74:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 72 |
 73 |         do {
 74 |             let bar2 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " bar2:", spinner: Spinner(kind: .bar2))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 75 |             bar2.start()
 76 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:81:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 79 |
 80 |         do {
 81 |             let bar3 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " bar3:", spinner: Spinner(kind: .bar3))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 82 |             bar3.start()
 83 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:88:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 86 |
 87 |         do {
 88 |             let bar4 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " bar4:", spinner: Spinner(kind: .bar4))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 89 |             bar4.start()
 90 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:95:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 93 |
 94 |         do {
 95 |             let bar5 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " bar5:", spinner: Spinner(kind: .bar5))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 96 |             bar5.start()
 97 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:102:85: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
100 |
101 |         do {
102 |             let bar6 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " bar6:", spinner: Spinner(kind: .bar6))
    |                                                                                     `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
103 |             bar6.start()
104 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:109:86: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
107 |
108 |         do {
109 |             let spin1 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin1:", spinner: Spinner(kind: .spin1))
    |                                                                                      `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
110 |             spin1.start()
111 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:116:86: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
114 |
115 |         do {
116 |             let spin2 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin2:", spinner: Spinner(kind: .spin2))
    |                                                                                      `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
117 |             spin2.start()
118 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:123:86: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
121 |
122 |         do {
123 |             let spin3 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin3:", spinner: Spinner(kind: .spin3))
    |                                                                                      `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
124 |             spin3.start()
125 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:130:86: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
128 |
129 |         do {
130 |             let spin4 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin4:", spinner: Spinner(kind: .spin4))
    |                                                                                      `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
131 |             spin4.start()
132 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:137:86: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
135 |
136 |         do {
137 |             let spin5 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin5:", spinner: Spinner(kind: .spin5))
    |                                                                                      `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
138 |             spin5.start()
139 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:144:86: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
142 |
143 |         do {
144 |             let spin6 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin6:", spinner: Spinner(kind: .spin6))
    |                                                                                      `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
145 |             spin6.start()
146 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:151:86: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
149 |
150 |         do {
151 |             let spin7 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin7:", spinner: Spinner(kind: .spin7))
    |                                                                                      `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
152 |             spin7.start()
153 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:158:86: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
156 |
157 |         do {
158 |             let spin8 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin8:", spinner: Spinner(kind: .spin8))
    |                                                                                      `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
159 |             spin8.start()
160 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:165:86: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
163 |
164 |         do {
165 |             let spin9 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin9:", spinner: Spinner(kind: .spin9))
    |                                                                                      `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
166 |             spin9.start()
167 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:172:87: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
170 |
171 |         do {
172 |             let spin10 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin10:", spinner: Spinner(kind: .spin10))
    |                                                                                       `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
173 |             spin10.start()
174 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:179:87: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
177 |
178 |         do {
179 |             let spin11 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin11:", spinner: Spinner(kind: .spin11))
    |                                                                                       `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
180 |             spin11.start()
181 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:186:87: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
184 |
185 |         do {
186 |             let spin12 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin12:", spinner: Spinner(kind: .spin12))
    |                                                                                       `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
187 |             spin12.start()
188 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:193:87: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
191 |
192 |         do {
193 |             let spin13 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin13:", spinner: Spinner(kind: .spin13))
    |                                                                                       `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
194 |             spin13.start()
195 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Demo/Demo.swift:200:87: warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
198 |
199 |         do {
200 |             let spin14 = ProgressSpinnerKit.createProgressSpinner(forStream: TSCBasic.stderrStream, header: " spin14:", spinner: Spinner(kind: .spin14))
    |                                                                                       `- warning: reference to var 'stderrStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
201 |             spin14.start()
202 |             usleep(duration)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCBasic/WritableByteStream.swift:828:12: note: var declared here
826 |
827 | /// Public stderr stream instance.
828 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
829 |     filePointer: TSCLibc.stderr,
830 |     closeOnDeinit: false))
[127/130] Write Objects.LinkFileList
[128/130] Linking Demo
[129/130] Applying Demo
Build complete! (25.39s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-tools-support-core",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-tools-support-core"
    }
  ],
  "manifest_display_name" : "ProgressSpinnerKit",
  "name" : "ProgressSpinnerKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "ProgressSpinnerKit",
      "targets" : [
        "ProgressSpinnerKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Demo",
      "targets" : [
        "Demo"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ProgressSpinnerKitTests",
      "module_type" : "SwiftTarget",
      "name" : "ProgressSpinnerKitTests",
      "path" : "Tests/ProgressSpinnerKitTests",
      "sources" : [
        "ProgressSpinnerTests.swift"
      ],
      "target_dependencies" : [
        "ProgressSpinnerKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ProgressSpinnerKit",
      "module_type" : "SwiftTarget",
      "name" : "ProgressSpinnerKit",
      "path" : "Sources/ProgressSpinnerKit",
      "product_dependencies" : [
        "SwiftToolsSupport"
      ],
      "product_memberships" : [
        "ProgressSpinnerKit",
        "Demo"
      ],
      "sources" : [
        "ProgressSpinner.swift",
        "Spinner.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Demo",
      "module_type" : "SwiftTarget",
      "name" : "Demo",
      "path" : "Sources/Demo",
      "product_memberships" : [
        "Demo"
      ],
      "sources" : [
        "Demo.swift"
      ],
      "target_dependencies" : [
        "ProgressSpinnerKit"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.7"
}
Done.