The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Successful build of SwiftFoundationCompression, reference 4.0.0 (0eba1f), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 15:07:08 UTC.

Swift 6 data race errors: 5

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/benspratling4/swiftfoundationcompression.git
Reference: 4.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/benspratling4/swiftfoundationcompression
 * tag               4.0.0      -> FETCH_HEAD
HEAD is now at 0eba1f7 Merge pull request #8 from benspratling4/without_czlib
Cloned https://github.com/benspratling4/swiftfoundationcompression.git
Revision (git rev-parse @):
0eba1f70fdbbdda08bfcc6d01ae9e2c3ffe9df2b
SUCCESS checkout https://github.com/benspratling4/swiftfoundationcompression.git at 4.0.0
Fetching https://github.com/benspratling4/SwiftPatterns.git
[1/301] Fetching swiftpatterns
Fetched https://github.com/benspratling4/SwiftPatterns.git from cache (0.73s)
Computing version for https://github.com/benspratling4/SwiftPatterns.git
Computed https://github.com/benspratling4/SwiftPatterns.git at 4.0.0 (1.30s)
Creating working copy for https://github.com/benspratling4/SwiftPatterns.git
Working copy of https://github.com/benspratling4/SwiftPatterns.git resolved at 4.0.0
========================================
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": "swiftfoundationcompression",
      "name": "SwiftFoundationCompression",
      "url": "https://github.com/benspratling4/swiftfoundationcompression.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swiftfoundationcompression",
      "dependencies": [
        {
          "identity": "swiftpatterns",
          "name": "SwiftPatterns",
          "url": "https://github.com/benspratling4/SwiftPatterns.git",
          "version": "4.5.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftPatterns",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/benspratling4/swiftfoundationcompression.git
[1/163] Fetching swiftfoundationcompression
Fetched https://github.com/benspratling4/swiftfoundationcompression.git from cache (0.74s)
Fetching https://github.com/benspratling4/SwiftPatterns.git from cache
Fetched https://github.com/benspratling4/SwiftPatterns.git from cache (0.41s)
Computing version for https://github.com/benspratling4/SwiftPatterns.git
Computed https://github.com/benspratling4/SwiftPatterns.git at 4.5.0 (0.46s)
Creating working copy for https://github.com/benspratling4/swiftfoundationcompression.git
Working copy of https://github.com/benspratling4/swiftfoundationcompression.git resolved at 4.0.0 (0eba1f7)
Creating working copy for https://github.com/benspratling4/SwiftPatterns.git
Working copy of https://github.com/benspratling4/SwiftPatterns.git resolved at 4.5.0
warning: '.resolve-product-dependencies': dependency 'swiftfoundationcompression' is not used by any target
Found 1 product dependencies
  - SwiftPatterns
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/benspratling4/swiftfoundationcompression.git
https://github.com/benspratling4/swiftfoundationcompression.git
{
  "dependencies" : [
    {
      "identity" : "swiftpatterns",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/benspratling4/SwiftPatterns.git"
    }
  ],
  "manifest_display_name" : "SwiftFoundationCompression",
  "name" : "SwiftFoundationCompression",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftFoundationCompression",
      "targets" : [
        "SwiftFoundationCompression"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "SwiftFoundationCompressionTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftFoundationCompressionTests",
      "path" : "Tests/SwiftFoundationCompressionTests",
      "sources" : [
        "DeflateTests.swift",
        "GZipHeaderTests.swift",
        "GunzipTests.swift",
        "WritingZipFiles.swift",
        "XCTestManifests.swift",
        "ZipDirectoryWrappingTests.swift",
        "ZipFileFormatTests.swift"
      ],
      "target_dependencies" : [
        "SwiftFoundationCompression"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftFoundationCompression",
      "module_type" : "SwiftTarget",
      "name" : "SwiftFoundationCompression",
      "path" : "Sources/SwiftFoundationCompression",
      "product_dependencies" : [
        "SwiftPatterns"
      ],
      "product_memberships" : [
        "SwiftFoundationCompression"
      ],
      "sources" : [
        "Data+Compression.swift",
        "FileManager+Compression.swift",
        "GZipDataWrapping.swift",
        "TarDirectoryWrapper.swift",
        "Types.swift",
        "WritingZipFiles.swift",
        "ZipDirectoryWrapping.swift",
        "ZipFileFormat.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/7] Write sources
[2/7] Write swift-version-2F0A5646E1D333AE.txt
[4/26] Compiling SwiftPatterns PriorityQueue.swift
[5/26] Compiling SwiftPatterns QueuedVar.swift
[6/28] Compiling SwiftPatterns URL+ExtendedAttributes.swift
[7/28] Compiling SwiftPatterns URL+relativePaths.swift
[8/28] Compiling SwiftPatterns SerializedResourceWrapping.swift
[9/28] Compiling SwiftPatterns String+fixes.swift
[10/28] Compiling SwiftPatterns LocalFileSource.swift
[11/28] Compiling SwiftPatterns LogSearch.swift
[12/28] Compiling SwiftPatterns Math.swift
[13/28] Compiling SwiftPatterns MediatedAccess.swift
[14/28] Compiling SwiftPatterns DynamicCodingKeys.swift
[15/28] Compiling SwiftPatterns Int+Bits.swift
[16/28] Emitting module SwiftPatterns
[17/28] Compiling SwiftPatterns DataExtraction.swift
[18/28] Compiling SwiftPatterns DirectoryMonitor.swift
[19/28] Compiling SwiftPatterns ChangeSet.swift
[20/28] Compiling SwiftPatterns Cursor.swift
[21/28] Compiling SwiftPatterns Alert.swift
[22/28] Compiling SwiftPatterns Array+StableUniqueValues.swift
[23/28] Compiling SwiftPatterns WeightedNode.swift
[24/28] Compiling SwiftPatterns XMLItem.swift
[24/28] Write Objects.LinkFileList
[25/28] Linking libSwiftPatterns.dylib
[27/37] Compiling SwiftFoundationCompression Types.swift
[28/37] Compiling SwiftFoundationCompression ZipDirectoryWrapping.swift
[29/37] Compiling SwiftFoundationCompression TarDirectoryWrapper.swift
[30/37] Compiling SwiftFoundationCompression WritingZipFiles.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/WritingZipFiles.swift:13:22: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 11 |
 12 |
 13 | protocol ZipWriter : class {
    |                      `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 14 |
 15 | 	func finish()throws
[31/37] Compiling SwiftFoundationCompression FileManager+Compression.swift
[32/37] Compiling SwiftFoundationCompression GZipDataWrapping.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/GZipDataWrapping.swift:202:24: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
200 | 	//do the dual-buffer thing
201 | 	var inBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
202 | 	let inBufferPointer = UnsafeMutableBufferPointer(start: &inBuffer, count: chunkSize)
    |                        |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                        |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                        `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
203 | 	var outBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
204 | 	let outBufferPointer = UnsafeMutableBufferPointer(start: &outBuffer, count: chunkSize)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/GZipDataWrapping.swift:204:25: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
202 | 	let inBufferPointer = UnsafeMutableBufferPointer(start: &inBuffer, count: chunkSize)
203 | 	var outBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
204 | 	let outBufferPointer = UnsafeMutableBufferPointer(start: &outBuffer, count: chunkSize)
    |                         |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                         |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                         `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
205 |
206 | 	//pre-fill the inBuffer
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/GZipDataWrapping.swift:235:37: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
233 | 	let fileNameData:Data = named.data(using: .isoLatin1) ?? Data()
234 | 	var dataBytes = [UInt8](repeating:0, count:fileNameData.count + 1)
235 | 	let _ = fileNameData.copyBytes(to: UnsafeMutableBufferPointer(start:&dataBytes, count:fileNameData.count))
    |                                     |                                |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                                     |                                `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                                     `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
236 | 	var header:gz_header = gz_header(text: 0, time: time, xflags: 0, os: 0, extra: nil, extra_len: 0, extra_max: 0, name: &dataBytes, name_max: UInt32(fileNameData.count + 1), comment: nil, comm_max: 0, hcrc: 0, done: 0)
237 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/GZipDataWrapping.swift:236:120: warning: cannot use inout expression here; argument 'name' must be a pointer that outlives the call to 'init(text:time:xflags:os:extra:extra_len:extra_max:name:name_max:comment:comm_max:hcrc:done:)'
234 | 	var dataBytes = [UInt8](repeating:0, count:fileNameData.count + 1)
235 | 	let _ = fileNameData.copyBytes(to: UnsafeMutableBufferPointer(start:&dataBytes, count:fileNameData.count))
236 | 	var header:gz_header = gz_header(text: 0, time: time, xflags: 0, os: 0, extra: nil, extra_len: 0, extra_max: 0, name: &dataBytes, name_max: UInt32(fileNameData.count + 1), comment: nil, comm_max: 0, hcrc: 0, done: 0)
    |                                                                                                                        |- warning: cannot use inout expression here; argument 'name' must be a pointer that outlives the call to 'init(text:time:xflags:os:extra:extra_len:extra_max:name:name_max:comment:comm_max:hcrc:done:)'
    |                                                                                                                        |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<Bytef>?' (aka 'Optional<UnsafeMutablePointer<UInt8>>') produces a pointer valid only for the duration of the call to 'init(text:time:xflags:os:extra:extra_len:extra_max:name:name_max:comment:comm_max:hcrc:done:)'
    |                                                                                                                        `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
237 |
238 | 	streamStatus = deflateSetHeader(&stream, &header)
[33/37] Compiling SwiftFoundationCompression ZipFileFormat.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:126:13: warning: static property 'encrypted' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
124 | struct GeneralPurposeFlags : OptionSet {
125 | 	let rawValue:UInt16
126 | 	static var encrypted:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 0)
    |             |- warning: static property 'encrypted' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'encrypted' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'encrypted' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
127 | 	static var sizesAndCRCAreInDataDescriptor:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 3)
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:127:13: warning: static property 'sizesAndCRCAreInDataDescriptor' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
125 | 	let rawValue:UInt16
126 | 	static var encrypted:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 0)
127 | 	static var sizesAndCRCAreInDataDescriptor:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 3)
    |             |- warning: static property 'sizesAndCRCAreInDataDescriptor' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'sizesAndCRCAreInDataDescriptor' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'sizesAndCRCAreInDataDescriptor' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
129 | 	static var fileNameIsUnicode:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 11)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:128:13: warning: static property 'strongEnctyption' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
126 | 	static var encrypted:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 0)
127 | 	static var sizesAndCRCAreInDataDescriptor:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 3)
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
    |             |- warning: static property 'strongEnctyption' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'strongEnctyption' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'strongEnctyption' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
129 | 	static var fileNameIsUnicode:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 11)
130 | 	static var centralDirectoryValuesAreOmittedDueToEncyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 13)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:129:13: warning: static property 'fileNameIsUnicode' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
127 | 	static var sizesAndCRCAreInDataDescriptor:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 3)
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
129 | 	static var fileNameIsUnicode:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 11)
    |             |- warning: static property 'fileNameIsUnicode' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'fileNameIsUnicode' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'fileNameIsUnicode' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 | 	static var centralDirectoryValuesAreOmittedDueToEncyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 13)
131 | }
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:130:13: warning: static property 'centralDirectoryValuesAreOmittedDueToEncyption' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
129 | 	static var fileNameIsUnicode:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 11)
130 | 	static var centralDirectoryValuesAreOmittedDueToEncyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 13)
    |             |- warning: static property 'centralDirectoryValuesAreOmittedDueToEncyption' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'centralDirectoryValuesAreOmittedDueToEncyption' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'centralDirectoryValuesAreOmittedDueToEncyption' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 | }
132 |
[34/37] Emitting module SwiftFoundationCompression
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/WritingZipFiles.swift:13:22: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 11 |
 12 |
 13 | protocol ZipWriter : class {
    |                      `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 14 |
 15 | 	func finish()throws
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:126:13: warning: static property 'encrypted' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
124 | struct GeneralPurposeFlags : OptionSet {
125 | 	let rawValue:UInt16
126 | 	static var encrypted:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 0)
    |             |- warning: static property 'encrypted' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'encrypted' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'encrypted' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
127 | 	static var sizesAndCRCAreInDataDescriptor:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 3)
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:127:13: warning: static property 'sizesAndCRCAreInDataDescriptor' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
125 | 	let rawValue:UInt16
126 | 	static var encrypted:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 0)
127 | 	static var sizesAndCRCAreInDataDescriptor:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 3)
    |             |- warning: static property 'sizesAndCRCAreInDataDescriptor' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'sizesAndCRCAreInDataDescriptor' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'sizesAndCRCAreInDataDescriptor' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
129 | 	static var fileNameIsUnicode:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 11)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:128:13: warning: static property 'strongEnctyption' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
126 | 	static var encrypted:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 0)
127 | 	static var sizesAndCRCAreInDataDescriptor:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 3)
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
    |             |- warning: static property 'strongEnctyption' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'strongEnctyption' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'strongEnctyption' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
129 | 	static var fileNameIsUnicode:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 11)
130 | 	static var centralDirectoryValuesAreOmittedDueToEncyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 13)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:129:13: warning: static property 'fileNameIsUnicode' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
127 | 	static var sizesAndCRCAreInDataDescriptor:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 3)
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
129 | 	static var fileNameIsUnicode:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 11)
    |             |- warning: static property 'fileNameIsUnicode' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'fileNameIsUnicode' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'fileNameIsUnicode' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 | 	static var centralDirectoryValuesAreOmittedDueToEncyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 13)
131 | }
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/ZipFileFormat.swift:130:13: warning: static property 'centralDirectoryValuesAreOmittedDueToEncyption' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
128 | 	static var strongEnctyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 6)
129 | 	static var fileNameIsUnicode:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 11)
130 | 	static var centralDirectoryValuesAreOmittedDueToEncyption:GeneralPurposeFlags = GeneralPurposeFlags(rawValue: 1 << 13)
    |             |- warning: static property 'centralDirectoryValuesAreOmittedDueToEncyption' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'centralDirectoryValuesAreOmittedDueToEncyption' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'centralDirectoryValuesAreOmittedDueToEncyption' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 | }
132 |
[35/37] Compiling SwiftFoundationCompression Data+Compression.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:68:25: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
 66 | 		//do the dual-buffer thing
 67 | 		var inBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
 68 | 		let inBufferPointer = UnsafeMutableBufferPointer(start: &inBuffer, count: chunkSize)
    |                         |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                         |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                         `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
 69 | 		var outBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
 70 | 		let outBufferPointer = UnsafeMutableBufferPointer(start: &outBuffer, count: chunkSize)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:70:26: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
 68 | 		let inBufferPointer = UnsafeMutableBufferPointer(start: &inBuffer, count: chunkSize)
 69 | 		var outBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
 70 | 		let outBufferPointer = UnsafeMutableBufferPointer(start: &outBuffer, count: chunkSize)
    |                          |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                          |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                          `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
 71 |
 72 | 		//pre-fill the inBuffer
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:134:21: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
132 | 		let chunkSize:Int = memoryPageSize
133 | 		var copyBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
134 | 		let inputBuffer = UnsafeMutableBufferPointer(start: &copyBuffer, count: chunkSize)
    |                     |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                     |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                     `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
135 | 		let availableByteCount:Int = Swift.min(self.count, chunkSize)
136 | 		let copiedByteCount:Int = self.copyBytes(to: inputBuffer, from: 0..<availableByteCount)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:150:22: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
148 | 		//prepare an output buffer
149 | 		var decompressBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
150 | 		let outputBuffer = UnsafeMutableBufferPointer(start: &decompressBuffer, count: chunkSize)
    |                      |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                      |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                      `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
151 |
152 | 		var outputData:Data = Data()
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:136:7: warning: immutable value 'copiedByteCount' was never used; consider replacing with '_' or removing it
134 | 		let inputBuffer = UnsafeMutableBufferPointer(start: &copyBuffer, count: chunkSize)
135 | 		let availableByteCount:Int = Swift.min(self.count, chunkSize)
136 | 		let copiedByteCount:Int = self.copyBytes(to: inputBuffer, from: 0..<availableByteCount)
    |       `- warning: immutable value 'copiedByteCount' was never used; consider replacing with '_' or removing it
137 | 		var aStream:z_stream = z_stream(next_in: inputBuffer.baseAddress, avail_in: UInt32(availableByteCount), total_in: 0, next_out: nil, avail_out: 0, total_out: 0, msg: nil, state: nil, zalloc: nil, zfree: nil, opaque: nil, data_type: 0, adler: 0, reserved: 0)
138 | 		let windowBits:Int32 = -15 //some kind of magic value
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:194:21: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
192 | 		let chunkSize:Int = memoryPageSize
193 | 		var copyBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
194 | 		let inputBuffer = UnsafeMutableBufferPointer(start: &copyBuffer, count: chunkSize)
    |                     |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                     |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                     `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
195 | 		let availableByteCount:Int = Swift.min(self.count, chunkSize)
196 | 		let copiedByteCount:Int = self.copyBytes(to: inputBuffer, from: 0..<availableByteCount)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:210:22: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
208 | 		//prepare an output buffer
209 | 		var decompressBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
210 | 		let outputBuffer = UnsafeMutableBufferPointer(start: &decompressBuffer, count: chunkSize)
    |                      |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                      |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                      `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
211 |
212 | 		var outputData:Data = Data()
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:196:7: warning: immutable value 'copiedByteCount' was never used; consider replacing with '_' or removing it
194 | 		let inputBuffer = UnsafeMutableBufferPointer(start: &copyBuffer, count: chunkSize)
195 | 		let availableByteCount:Int = Swift.min(self.count, chunkSize)
196 | 		let copiedByteCount:Int = self.copyBytes(to: inputBuffer, from: 0..<availableByteCount)
    |       `- warning: immutable value 'copiedByteCount' was never used; consider replacing with '_' or removing it
197 | 		var aStream:z_stream = z_stream(next_in: inputBuffer.baseAddress, avail_in: UInt32(availableByteCount), total_in: 0, next_out: nil, avail_out: 0, total_out: 0, msg: nil, state: nil, zalloc: nil, zfree: nil, opaque: nil, data_type: 0, adler: 0, reserved: 0)
198 | 		let windowBits:Int32 = 15 | 16 //some kind of magic value
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:257:25: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
255 | 		//do the dual-buffer thing
256 | 		var inBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
257 | 		let inBufferPointer = UnsafeMutableBufferPointer(start: &inBuffer, count: chunkSize)
    |                         |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                         |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                         `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
258 | 		var outBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
259 | 		let outBufferPointer = UnsafeMutableBufferPointer(start: &outBuffer, count: chunkSize)
/Users/admin/builder/spi-builder-workspace/Sources/SwiftFoundationCompression/Data+Compression.swift:259:26: warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
257 | 		let inBufferPointer = UnsafeMutableBufferPointer(start: &inBuffer, count: chunkSize)
258 | 		var outBuffer:[UInt8] = [UInt8](repeating:0, count:chunkSize)
259 | 		let outBufferPointer = UnsafeMutableBufferPointer(start: &outBuffer, count: chunkSize)
    |                          |                                 |- note: implicit argument conversion from '[UInt8]' to 'UnsafeMutablePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
    |                          |                                 `- note: use the 'withUnsafeMutableBufferPointer' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                          `- warning: initialization of 'UnsafeMutableBufferPointer<UInt8>' results in a dangling buffer pointer
260 |
261 | 		//pre-fill the inBuffer
[35/37] Write Objects.LinkFileList
[36/37] Linking libSwiftFoundationCompression.dylib
Build complete! (11.77s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swiftpatterns",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/benspratling4/SwiftPatterns.git"
    }
  ],
  "manifest_display_name" : "SwiftFoundationCompression",
  "name" : "SwiftFoundationCompression",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftFoundationCompression",
      "targets" : [
        "SwiftFoundationCompression"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "SwiftFoundationCompressionTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftFoundationCompressionTests",
      "path" : "Tests/SwiftFoundationCompressionTests",
      "sources" : [
        "DeflateTests.swift",
        "GZipHeaderTests.swift",
        "GunzipTests.swift",
        "WritingZipFiles.swift",
        "XCTestManifests.swift",
        "ZipDirectoryWrappingTests.swift",
        "ZipFileFormatTests.swift"
      ],
      "target_dependencies" : [
        "SwiftFoundationCompression"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftFoundationCompression",
      "module_type" : "SwiftTarget",
      "name" : "SwiftFoundationCompression",
      "path" : "Sources/SwiftFoundationCompression",
      "product_dependencies" : [
        "SwiftPatterns"
      ],
      "product_memberships" : [
        "SwiftFoundationCompression"
      ],
      "sources" : [
        "Data+Compression.swift",
        "FileManager+Compression.swift",
        "GZipDataWrapping.swift",
        "TarDirectoryWrapper.swift",
        "Types.swift",
        "WritingZipFiles.swift",
        "ZipDirectoryWrapping.swift",
        "ZipFileFormat.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.