Swift Package IndexBuild Information
Failed to build gld-avro-swift, reference 0.2.0 (ac8125), with Swift 6.1 for macOS (SPM) on 16 Oct 2026 14:13:05 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
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Builder version: 5.1.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/leo-gan/gld-avro-swift.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/leo-gan/gld-avro-swift
* tag 0.2.0 -> FETCH_HEAD
HEAD is now at ac81254 Bump version to 0.2.0 (#2)
Cloned https://github.com/leo-gan/gld-avro-swift.git
Revision (git rev-parse @):
ac81254f210d4f9b1298f9130c497bb05b154d03
SUCCESS checkout https://github.com/leo-gan/gld-avro-swift.git at 0.2.0
========================================
Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/leo-gan/gld-avro-swift.git
https://github.com/leo-gan/gld-avro-swift.git
{
"dependencies" : [
],
"manifest_display_name" : "gld-avro-swift",
"name" : "gld-avro-swift",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Avro",
"targets" : [
"Avro"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "gld-avrogen-swift",
"targets" : [
"gld-avrogen-swift"
],
"type" : {
"executable" : null
}
},
{
"name" : "avro-bench",
"targets" : [
"avro-bench"
],
"type" : {
"executable" : null
}
},
{
"name" : "encode-record",
"targets" : [
"encode-record"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "gld_avrogen_swift",
"module_type" : "SwiftTarget",
"name" : "gld-avrogen-swift",
"path" : "src/gld-avrogen-swift",
"product_memberships" : [
"gld-avrogen-swift"
],
"sources" : [
"main.swift"
],
"target_dependencies" : [
"Avro"
],
"type" : "executable"
},
{
"c99name" : "encode_record",
"module_type" : "SwiftTarget",
"name" : "encode-record",
"path" : "examples",
"product_memberships" : [
"encode-record"
],
"sources" : [
"EncodeRecord.swift"
],
"target_dependencies" : [
"Avro"
],
"type" : "executable"
},
{
"c99name" : "avro_bench",
"module_type" : "SwiftTarget",
"name" : "avro-bench",
"path" : "benches",
"product_memberships" : [
"avro-bench"
],
"sources" : [
"Bench.swift"
],
"target_dependencies" : [
"Avro"
],
"type" : "executable"
},
{
"c99name" : "AvroTests",
"module_type" : "SwiftTarget",
"name" : "AvroTests",
"path" : "tests",
"sources" : [
"AvroTests.swift",
"generated/A.swift",
"generated/AvroRootUnion.swift",
"generated/B.swift",
"generated/LongList.swift",
"generated/Node.swift",
"generated/Node_payload.swift",
"generated/ex_Color.swift",
"generated/ex_Hash4.swift",
"generated/ex_Inner.swift",
"generated/ex_Kitchen.swift"
],
"target_dependencies" : [
"Avro"
],
"type" : "test"
},
{
"c99name" : "Avro",
"module_type" : "SwiftTarget",
"name" : "Avro",
"path" : "src/Avro",
"product_memberships" : [
"Avro",
"gld-avrogen-swift",
"avro-bench",
"encode-record"
],
"sources" : [
"Canonical.swift",
"Codegen.swift",
"Deflate.swift",
"Error.swift",
"Facade.swift",
"Fingerprint.swift",
"Generic.swift",
"IDL.swift",
"JSON.swift",
"JSONCodec.swift",
"Logical.swift",
"OCF.swift",
"Resolve.swift",
"SOE.swift",
"Schema.swift",
"Wire.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
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
Building for debugging...
[0/17] Write sources
[4/17] Write gld-avrogen-swift-entitlement.plist
[4/17] Write encode-record-entitlement.plist
[6/17] Write avro-bench-entitlement.plist
[7/17] Write swift-version-2F0A5646E1D333AE.txt
[9/33] Compiling Avro SOE.swift
[10/34] Compiling Avro Resolve.swift
[11/34] Compiling Avro Schema.swift
[12/34] Compiling Avro Wire.swift
/Users/admin/builder/spi-builder-workspace/src/Avro/Wire.swift:331:16: error: 'init(unsafeUninitializedCapacity:initializingUTF8With:)' is only available in macOS 11.0 or newer
319 | }
320 |
321 | func utf8String(_ bytes: ArraySlice<UInt8>) -> String? {
| `- note: add @available attribute to enclosing global function
322 | var index = bytes.startIndex
323 | let end = bytes.endIndex
:
329 | let count = bytes.count
330 | if count == 0 { return "" }
331 | return String(unsafeUninitializedCapacity: count) { buffer in
| |- error: 'init(unsafeUninitializedCapacity:initializingUTF8With:)' is only available in macOS 11.0 or newer
| `- note: add 'if #available' version check
332 | var cursor = 0
333 | for byte in bytes {
[13/34] Compiling Avro Logical.swift
[14/34] Compiling Avro OCF.swift
[15/34] Compiling Avro JSON.swift
[16/34] Compiling Avro JSONCodec.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[17/34] Compiling Avro Facade.swift
[18/34] Compiling Avro Fingerprint.swift
[19/34] Compiling Avro Deflate.swift
[20/34] Compiling Avro Error.swift
[21/34] Compiling Avro Canonical.swift
[22/34] Compiling Avro Codegen.swift
[23/34] Emitting module Avro
/Users/admin/builder/spi-builder-workspace/src/Avro/Generic.swift:14:15: error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
12 | var key = pthread_key_t()
13 | pthread_key_create(&key) { pointer in
14 | guard let pointer else { return }
| `- error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
15 | Unmanaged<EncoderScratch>.fromOpaque(pointer).release()
16 | }
[24/34] Compiling Avro Generic.swift
/Users/admin/builder/spi-builder-workspace/src/Avro/Generic.swift:14:15: error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
12 | var key = pthread_key_t()
13 | pthread_key_create(&key) { pointer in
14 | guard let pointer else { return }
| `- error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
15 | Unmanaged<EncoderScratch>.fromOpaque(pointer).release()
16 | }
[25/34] Compiling Avro IDL.swift
/Users/admin/builder/spi-builder-workspace/src/Avro/Generic.swift:14:15: error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
12 | var key = pthread_key_t()
13 | pthread_key_create(&key) { pointer in
14 | guard let pointer else { return }
| `- error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
15 | Unmanaged<EncoderScratch>.fromOpaque(pointer).release()
16 | }
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/10] Write swift-version-2F0A5646E1D333AE.txt
[2/26] Compiling Avro Logical.swift
[3/26] Compiling Avro OCF.swift
[4/26] Compiling Avro SOE.swift
[5/26] Compiling Avro Schema.swift
[6/26] Compiling Avro Resolve.swift
[7/26] Compiling Avro JSON.swift
[8/26] Compiling Avro JSONCodec.swift
[9/27] Compiling Avro Facade.swift
[10/27] Compiling Avro Fingerprint.swift
[11/27] Compiling Avro Generic.swift
/Users/admin/builder/spi-builder-workspace/src/Avro/Generic.swift:14:15: error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
12 | var key = pthread_key_t()
13 | pthread_key_create(&key) { pointer in
14 | guard let pointer else { return }
| `- error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
15 | Unmanaged<EncoderScratch>.fromOpaque(pointer).release()
16 | }
[12/27] Compiling Avro IDL.swift
/Users/admin/builder/spi-builder-workspace/src/Avro/Generic.swift:14:15: error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
12 | var key = pthread_key_t()
13 | pthread_key_create(&key) { pointer in
14 | guard let pointer else { return }
| `- error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
15 | Unmanaged<EncoderScratch>.fromOpaque(pointer).release()
16 | }
error: emit-module command failed with exit code 1 (use -v to see invocation)
[13/27] Compiling Avro Canonical.swift
[14/27] Compiling Avro Codegen.swift
[15/27] Compiling Avro Deflate.swift
[16/27] Compiling Avro Error.swift
[17/27] Emitting module Avro
/Users/admin/builder/spi-builder-workspace/src/Avro/Generic.swift:14:15: error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
12 | var key = pthread_key_t()
13 | pthread_key_create(&key) { pointer in
14 | guard let pointer else { return }
| `- error: initializer for conditional binding must have Optional type, not 'UnsafeMutableRawPointer'
15 | Unmanaged<EncoderScratch>.fromOpaque(pointer).release()
16 | }
[18/27] Compiling Avro Wire.swift
/Users/admin/builder/spi-builder-workspace/src/Avro/Wire.swift:331:16: error: 'init(unsafeUninitializedCapacity:initializingUTF8With:)' is only available in macOS 11.0 or newer
319 | }
320 |
321 | func utf8String(_ bytes: ArraySlice<UInt8>) -> String? {
| `- note: add @available attribute to enclosing global function
322 | var index = bytes.startIndex
323 | let end = bytes.endIndex
:
329 | let count = bytes.count
330 | if count == 0 { return "" }
331 | return String(unsafeUninitializedCapacity: count) { buffer in
| |- error: 'init(unsafeUninitializedCapacity:initializingUTF8With:)' is only available in macOS 11.0 or newer
| `- note: add 'if #available' version check
332 | var cursor = 0
333 | for byte in bytes {
BUILD FAILURE 6.1 macosSpm