Swift Package IndexBuild Information
Successful build of SwiftLevelDB, reference master (e7b910), with Swift 6.1 for macOS (SPM) on 15 May 2026 17:31:31 UTC.
Swift 6 data race errors: 1
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 InferSendableFromCapturesBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/amraboelela/swiftleveldb.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/amraboelela/swiftleveldb
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at e7b910a Update LevelDB.swift
Cloned https://github.com/amraboelela/swiftleveldb.git
Revision (git rev-parse @):
e7b910ad197bc8a0dcc8899c1598f60ed2551573
SUCCESS checkout https://github.com/amraboelela/swiftleveldb.git at master
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/amraboelela/swiftleveldb.git
https://github.com/amraboelela/swiftleveldb.git
{
"dependencies" : [
{
"identity" : "amrleveldb",
"requirement" : {
"branch" : [
"master"
]
},
"type" : "sourceControl",
"url" : "https://github.com/amraboelela/amrleveldb"
}
],
"manifest_display_name" : "SwiftLevelDB",
"name" : "SwiftLevelDB",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "6.0"
}
],
"products" : [
{
"name" : "SwiftLevelDB",
"targets" : [
"SwiftLevelDB"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftLevelDBTests",
"module_type" : "SwiftTarget",
"name" : "SwiftLevelDBTests",
"path" : "Tests/SwiftLevelDBTests",
"sources" : [
"ArrayTests.swift",
"DataTests.swift",
"DateTests.swift",
"LevelDBTests.swift",
"ShellTests.swift",
"StringTests.swift",
"TestsBase.swift"
],
"target_dependencies" : [
"SwiftLevelDB"
],
"type" : "test"
},
{
"c99name" : "SwiftLevelDB",
"module_type" : "SwiftTarget",
"name" : "SwiftLevelDB",
"path" : "Sources/SwiftLevelDB",
"product_memberships" : [
"SwiftLevelDB"
],
"sources" : [
"Extensions/Array.swift",
"Extensions/Data.swift",
"Extensions/Date.swift",
"Extensions/Dictionary.swift",
"Extensions/DispatchQueue.swift",
"Extensions/NSObject.swift",
"Extensions/String.swift",
"Extensions/Task.swift",
"LevelDB.swift",
"Logger.swift",
"Shell.swift"
],
"target_dependencies" : [
"CLevelDB"
],
"type" : "library"
},
{
"c99name" : "CLevelDB",
"module_type" : "ClangTarget",
"name" : "CLevelDB",
"path" : "Sources/CLevelDB",
"product_dependencies" : [
"amrleveldb"
],
"product_memberships" : [
"SwiftLevelDB"
],
"sources" : [
"LevelDBWrapper.cc"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
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...
[0/3] Write sources
[1/3] Write swift-version-2F0A5646E1D333AE.txt
In file included from /Users/admin/builder/spi-builder-workspace/Sources/CLevelDB/LevelDBWrapper.cc:9:
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/amrleveldb/Sources/amrleveldb/include/db/db_impl.h:10:
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/amrleveldb/Sources/amrleveldb/include/db/dbformat.h:14:
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/amrleveldb/Sources/amrleveldb/include/util/coding.h:17:
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/amrleveldb/Sources/amrleveldb/include/port/port.h:14:
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/amrleveldb/Sources/leveldb_macos/include/port/port_posix.h:23:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/amrleveldb/Sources/leveldb_macos/include/port/atomic_pointer.h:57:3: warning: 'OSMemoryBarrier' is deprecated: first deprecated in macOS 10.12 - Use std::atomic_thread_fence() from <atomic> instead [-Wdeprecated-declarations]
57 | OSMemoryBarrier();
| ^
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/usr/include/libkern/OSAtomicDeprecated.h:751:9: note: 'OSMemoryBarrier' has been explicitly marked deprecated here
751 | void OSMemoryBarrier( void );
| ^
/Users/admin/builder/spi-builder-workspace/Sources/CLevelDB/LevelDBWrapper.cc:45:25: warning: ISO C++11 does not allow conversion from string literal to 'char *' [-Wwritable-strings]
45 | char *lockStr = "/LOCK";
| ^
/Users/admin/builder/spi-builder-workspace/Sources/CLevelDB/LevelDBWrapper.cc:79:5: warning: cannot delete expression with pointer-to-'void' type 'void *' [-Wdelete-incomplete]
79 | delete db;
| ^ ~~
/Users/admin/builder/spi-builder-workspace/Sources/CLevelDB/LevelDBWrapper.cc:166:5: warning: cannot delete expression with pointer-to-'void' type 'void *' [-Wdelete-incomplete]
166 | delete iter;
| ^ ~~~~
4 warnings generated.
[2/3] Compiling CLevelDB LevelDBWrapper.cc
[4/14] Compiling SwiftLevelDB LevelDB.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftLevelDB/LevelDB.swift:476:23: warning: 'withUnsafeMutableBytes' is deprecated: use `withUnsafeMutableBytes<R>(_: (UnsafeMutableRawBufferPointer) throws -> R) rethrows -> R` instead
474 | if let data = self.encoder(key, newData) {
475 | var localData = data
476 | localData.withUnsafeMutableBytes { (mutableBytes: UnsafeMutablePointer<UInt8>) -> () in
| `- warning: 'withUnsafeMutableBytes' is deprecated: use `withUnsafeMutableBytes<R>(_: (UnsafeMutableRawBufferPointer) throws -> R) rethrows -> R` instead
477 | status = levelDBItemPut(db, key.cString, key.count, mutableBytes, data.count)
478 | }
[5/14] Compiling SwiftLevelDB NSObject.swift
[6/14] Compiling SwiftLevelDB String.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftLevelDB/Extensions/String.swift:29:35: warning: 'scanHexInt32' was deprecated in macOS 10.15
27 | //logger.log("dataFromHexadecimal hex: \(hex)")
28 | var ch: UInt32 = 0
29 | if Scanner(string: c).scanHexInt32(&ch) {
| `- warning: 'scanHexInt32' was deprecated in macOS 10.15
30 | var char = UInt8(ch)
31 | data.append(&char, count: 1)
[7/14] Compiling SwiftLevelDB Task.swift
[8/14] Compiling SwiftLevelDB DispatchQueue.swift
[9/14] Compiling SwiftLevelDB Dictionary.swift
[10/14] Compiling SwiftLevelDB Date.swift
[11/14] Emitting module SwiftLevelDB
/Users/admin/builder/spi-builder-workspace/Sources/SwiftLevelDB/Logger.swift:15:12: warning: let 'logger' is not concurrency-safe because non-'Sendable' type 'Logger' may have shared mutable state; this is an error in the Swift 6 language mode
13 | }
14 |
15 | public let logger = Logger()
| |- warning: let 'logger' is not concurrency-safe because non-'Sendable' type 'Logger' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let 'logger' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
16 |
17 | public class Logger {
| `- note: class 'Logger' does not conform to the 'Sendable' protocol
18 | public var observer: LoggerObserver?
19 |
[12/14] Compiling SwiftLevelDB Logger.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftLevelDB/Logger.swift:15:12: warning: let 'logger' is not concurrency-safe because non-'Sendable' type 'Logger' may have shared mutable state; this is an error in the Swift 6 language mode
13 | }
14 |
15 | public let logger = Logger()
| |- warning: let 'logger' is not concurrency-safe because non-'Sendable' type 'Logger' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let 'logger' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
16 |
17 | public class Logger {
| `- note: class 'Logger' does not conform to the 'Sendable' protocol
18 | public var observer: LoggerObserver?
19 |
[13/14] Compiling SwiftLevelDB Array.swift
[14/14] Compiling SwiftLevelDB Data.swift
[15/15] Compiling SwiftLevelDB Shell.swift
Build complete! (7.56s)
Fetching https://github.com/amraboelela/amrleveldb
[1/134] Fetching amrleveldb
Fetched https://github.com/amraboelela/amrleveldb from cache (0.78s)
Creating working copy for https://github.com/amraboelela/amrleveldb
Working copy of https://github.com/amraboelela/amrleveldb resolved at master (9595254)
Build complete.
{
"dependencies" : [
{
"identity" : "amrleveldb",
"requirement" : {
"branch" : [
"master"
]
},
"type" : "sourceControl",
"url" : "https://github.com/amraboelela/amrleveldb"
}
],
"manifest_display_name" : "SwiftLevelDB",
"name" : "SwiftLevelDB",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "6.0"
}
],
"products" : [
{
"name" : "SwiftLevelDB",
"targets" : [
"SwiftLevelDB"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftLevelDBTests",
"module_type" : "SwiftTarget",
"name" : "SwiftLevelDBTests",
"path" : "Tests/SwiftLevelDBTests",
"sources" : [
"ArrayTests.swift",
"DataTests.swift",
"DateTests.swift",
"LevelDBTests.swift",
"ShellTests.swift",
"StringTests.swift",
"TestsBase.swift"
],
"target_dependencies" : [
"SwiftLevelDB"
],
"type" : "test"
},
{
"c99name" : "SwiftLevelDB",
"module_type" : "SwiftTarget",
"name" : "SwiftLevelDB",
"path" : "Sources/SwiftLevelDB",
"product_memberships" : [
"SwiftLevelDB"
],
"sources" : [
"Extensions/Array.swift",
"Extensions/Data.swift",
"Extensions/Date.swift",
"Extensions/Dictionary.swift",
"Extensions/DispatchQueue.swift",
"Extensions/NSObject.swift",
"Extensions/String.swift",
"Extensions/Task.swift",
"LevelDB.swift",
"Logger.swift",
"Shell.swift"
],
"target_dependencies" : [
"CLevelDB"
],
"type" : "library"
},
{
"c99name" : "CLevelDB",
"module_type" : "ClangTarget",
"name" : "CLevelDB",
"path" : "Sources/CLevelDB",
"product_dependencies" : [
"amrleveldb"
],
"product_memberships" : [
"SwiftLevelDB"
],
"sources" : [
"LevelDBWrapper.cc"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
Done.