Swift Package IndexBuild Information
Failed to build shimmers-hdl, reference main (180397), with Swift 6.3 for watchOS using Xcode 26.4 on 18 Apr 2026 00:46:08 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme shimmers-hdl-Package -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/yliu-hashed/shimmers-hdl.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/yliu-hashed/shimmers-hdl
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 1803979 Switch to async Subprocess
Cloned https://github.com/yliu-hashed/shimmers-hdl.git
Revision (git rev-parse @):
18039791292ddb7609ab8f3bb344b9b903139af8
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/yliu-hashed/shimmers-hdl.git at main
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/yliu-hashed/shimmers-hdl.git
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/swiftlang/swift-subprocess.git
Fetching from https://github.com/apple/swift-system
Fetching from https://github.com/swiftlang/swift-syntax.git
Fetching from https://github.com/apple/swift-argument-parser.git
Creating working copy of package ‘swift-argument-parser’
Checking out 1.7.1 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-subprocess’
Checking out main (cdbbf14) of package ‘swift-subprocess’
Creating working copy of package ‘swift-syntax’
Checking out 602.0.0 of package ‘swift-syntax’
Creating working copy of package ‘swift-system’
Checking out 1.6.4 of package ‘swift-system’
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip
Resolve Package Graph
Resolved source packages:
swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 602.0.0
swift-subprocess: https://github.com/swiftlang/swift-subprocess.git @ main (cdbbf14)
swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.7.1
swift-system: https://github.com/apple/swift-system @ 1.6.4
shimmers-hdl: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-syntax, swift-subprocess, swift-argument-parser, swift-system, shimmers-hdl
2026-04-17 20:45:39.888 xcodebuild[529:3065] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-17 20:45:41.538 xcodebuild[529:3065] [MT] DVTAssertions: Warning in IDEFrameworks/IDEFoundation/Execution/RunContextManager/IDERunContextManager.m:926
Details: Error deleting scheme: Cannot modify data because the process disallows saving.
Object: <IDERunContextManager: 0xc5ddb2c40>
Method: -deleteRunContexts:completionQueue:completionBlock:
Thread: <_NSMainThread: 0x102995600>{number = 1, name = main}
Please file a bug at https://feedbackassistant.apple.com with this warning message and any useful information you can provide.
2026-04-17 20:45:41.540 xcodebuild[529:3065] could not delete old scheme: Error Domain=DVTCustomDataStoringErrors Code=0 "Cannot modify data because the process disallows saving." UserInfo={NSLocalizedDescription=Cannot modify data because the process disallows saving.}
2026-04-17 20:45:41.540 xcodebuild[529:3065] [MT] DVTAssertions: Warning in IDEFrameworks/IDEFoundation/Execution/RunContextManager/IDERunContextManager.m:926
Details: Error deleting scheme: Cannot modify data because the process disallows saving.
Object: <IDERunContextManager: 0xc5ddb2c40>
Method: -deleteRunContexts:completionQueue:completionBlock:
Thread: <_NSMainThread: 0x102995600>{number = 1, name = main}
Please file a bug at https://feedbackassistant.apple.com with this warning message and any useful information you can provide.
2026-04-17 20:45:41.540 xcodebuild[529:3065] could not delete old scheme: Error Domain=DVTCustomDataStoringErrors Code=0 "Cannot modify data because the process disallows saving." UserInfo={NSLocalizedDescription=Cannot modify data because the process disallows saving.}
2026-04-17 20:45:41.540 xcodebuild[529:3065] [MT] DVTAssertions: Warning in IDEFrameworks/IDEFoundation/Execution/RunContextManager/IDERunContextManager.m:926
Details: Error deleting scheme: Cannot modify data because the process disallows saving.
Object: <IDERunContextManager: 0xc5ddb2c40>
Method: -deleteRunContexts:completionQueue:completionBlock:
Thread: <_NSMainThread: 0x102995600>{number = 1, name = main}
Please file a bug at https://feedbackassistant.apple.com with this warning message and any useful information you can provide.
2026-04-17 20:45:41.540 xcodebuild[529:3065] could not delete old scheme: Error Domain=DVTCustomDataStoringErrors Code=0 "Cannot modify data because the process disallows saving." UserInfo={NSLocalizedDescription=Cannot modify data because the process disallows saving.}
{
"dependencies" : [
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
"lower_bound" : "1.6.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser.git"
},
{
"identity" : "swift-syntax",
"requirement" : {
"range" : [
{
"lower_bound" : "602.0.0",
"upper_bound" : "602.1.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/swiftlang/swift-syntax.git"
},
{
"identity" : "swift-subprocess",
"requirement" : {
"branch" : [
"main"
]
},
"type" : "sourceControl",
"url" : "https://github.com/swiftlang/swift-subprocess.git"
}
],
"manifest_display_name" : "shimmers-hdl",
"name" : "shimmers-hdl",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "26.0"
}
],
"products" : [
{
"name" : "Shimmers",
"targets" : [
"Shimmers"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "ShimmersCLIWrapper",
"targets" : [
"ShimmersCLIWrapper"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "ShimmersMacros",
"targets" : [
"ShimmersMacros"
],
"type" : {
"macro" : null
}
}
],
"targets" : [
{
"c99name" : "ShimmersMacros",
"module_type" : "SwiftTarget",
"name" : "ShimmersMacros",
"path" : "Sources/ShimmersMacros",
"product_dependencies" : [
"SwiftSyntax",
"SwiftSyntaxMacros",
"SwiftDiagnostics",
"SwiftCompilerPlugin"
],
"product_memberships" : [
"Shimmers",
"ShimmersCLIWrapper",
"ShimmersMacros"
],
"sources" : [
"Attribute.swift",
"Convert Code Block/Add For Stmt.swift",
"Convert Code Block/Add If Guard Stmt.swift",
"Convert Code Block/Add List.swift",
"Convert Code Block/Add Repeat Stmt.swift",
"Convert Code Block/Add Return Break.swift",
"Convert Code Block/Add Switch Stmt.swift",
"Convert Code Block/Add Variable Decl.swift",
"Convert Code Block/Add While Stmt.swift",
"Convert Code Block/Code Block.swift",
"Convert Code Block/Extract Pattern.swift",
"Convert Code Block/Loop Hint.swift",
"Convert Code Block/Pattern.swift",
"Convert Function & Variable/Convert Function.swift",
"Convert Function & Variable/Convert Init.swift",
"Convert Function & Variable/Convert Variable.swift",
"Convert Function & Variable/Detached Generator.swift",
"Convert Function & Variable/Function Name.swift",
"Convert Function & Variable/Parse Detached Attribute.swift",
"Convert Function & Variable/Seq Wrapper.swift",
"Convert Function & Variable/Stub Code List.swift",
"Convert Function & Variable/Top Level Entry.swift",
"Convert Wire Enum/Sim Enum Extension Helpers.swift",
"Convert Wire Enum/Sim Enum Extension.swift",
"Convert Wire Enum/Wire Enum Member Survey.swift",
"Convert Wire Enum/Wire Enum SynthRef Helpers.swift",
"Convert Wire Enum/Wire Enum SynthRef.swift",
"Convert Wire Struct/Sim Wire Extension Helpers.swift",
"Convert Wire Struct/Sim Wire Extension.swift",
"Convert Wire Struct/Wire Struct Member Survey.swift",
"Convert Wire Struct/Wire Struct SynthRef Helpers.swift",
"Convert Wire Struct/Wire Struct SynthRef.swift",
"Debug Info.swift",
"Helpers.swift",
"Macros.swift",
"Macros/Check Parent.swift",
"Macros/Formals/Assert Macro.swift",
"Macros/Formals/Assume Macro.swift",
"Macros/Formals/Never Macro.swift",
"Macros/Hardware Function Macro.swift",
"Macros/Hardware Wire Macro.swift",
"Macros/Markers/Detached Macro.swift",
"Macros/Markers/Top Level Function Macro.swift",
"Macros/Sim Block Macro.swift",
"Macros/Top Level Name Macro.swift",
"Mangle.swift",
"Rewriter/Convert Expr & Type.swift",
"Rewriter/Convert Generics.swift",
"Rewriter/Rewrite Optional Chaining.swift",
"Rewriter/Rewriter.swift"
],
"type" : "macro"
},
{
"c99name" : "ShimmersInternalRuntimeTests",
"module_type" : "SwiftTarget",
"name" : "ShimmersInternalRuntimeTests",
"path" : "Sources/ShimmersInternalRuntimeTests",
"sources" : [
"BigInt/BigInt - Add & Sub.swift",
"BigInt/BigInt - Bitwise.swift",
"BigInt/BigInt - Comparison.swift",
"BigInt/BigInt - Convert & Init.swift",
"BigInt/BigInt - Division.swift",
"BigInt/BigInt - Multiply.swift",
"BigInt/BigInt - Shift.swift",
"BigInt/BigInt - Truncation.swift",
"Test Tags.swift",
"UIntN & IntN/IntN - Arith.swift",
"UIntN & IntN/IntN - Bitwise.swift",
"UIntN & IntN/UIntN - Arith.swift",
"UIntN & IntN/UIntN - Bitwise.swift"
],
"target_dependencies" : [
"Shimmers"
],
"type" : "test"
},
{
"c99name" : "ShimmersInternalLogicTests",
"module_type" : "SwiftTarget",
"name" : "ShimmersInternalLogicTests",
"path" : "Sources/ShimmersInternalLogicTests",
"sources" : [
"Boolean/Boolean.swift",
"Boolean/Ternary.swift",
"Construction/Con Guard Basic.swift",
"Construction/Con Guard Unbind Enum.swift",
"Construction/Con If Basic Variable.swift",
"Construction/Con If Basic.swift",
"Construction/Con If Return Variable.swift",
"Construction/Con If Unbind Enum.swift",
"Construction/Con Mutate Function.swift",
"Construction/Con Switch Basic.swift",
"Construction/Con Switch Unbind Enum.swift",
"Enum/Enum Rep Basic.swift",
"Enum/Enum Rep Payload.swift",
"Inline Array/Inline Array Access.swift",
"Integer/Integer Add & Sub.swift",
"Integer/Integer Bitwise Count.swift",
"Integer/Integer Bitwise Ops.swift",
"Integer/Integer Comparison.swift",
"Integer/Integer Convert Clamp.swift",
"Integer/Integer Convert Exact.swift",
"Integer/Integer Convert Trunc.swift",
"Integer/Integer Division.swift",
"Integer/Integer Multiply.swift",
"Integer/Integer Remainder.swift",
"Integer/Integer Shift.swift",
"Integer/Integer Sign & Mag.swift",
"Optional/Optional Chain.swift",
"Optional/Optional Coalesce.swift",
"Optional/Optional.swift",
"Queue/Queue Push & Pop Basic.swift",
"Range/Range Contain.swift",
"Range/Range Iterate.swift",
"Support/Dump Net.swift",
"Support/Simulator.swift",
"Test Tags.swift"
],
"target_dependencies" : [
"Shimmers"
],
"type" : "test"
},
{
"c99name" : "ShimmersCLIWrapper",
"module_type" : "SwiftTarget",
"name" : "ShimmersCLIWrapper",
"path" : "Sources/ShimmersCLIWrapper",
"product_dependencies" : [
"ArgumentParser"
],
"product_memberships" : [
"ShimmersCLIWrapper"
],
"sources" : [
"Assertion Type.swift",
"Module Name.swift",
"Printing.swift",
"ShimmersCLI.swift"
],
"target_dependencies" : [
"Shimmers"
],
"type" : "library"
},
{
"c99name" : "Shimmers",
"module_type" : "SwiftTarget",
"name" : "Shimmers",
"path" : "Sources/Shimmers",
"product_dependencies" : [
"Subprocess"
],
"product_memberships" : [
"Shimmers",
"ShimmersCLIWrapper"
],
"sources" : [
"CNF Builder/CNF Builder.swift",
"Driver.swift",
"Graph/Graph Builder - DFF.swift",
"Graph/Graph Builder - Gates.swift",
"Graph/Graph Builder - Submodule.swift",
"Graph/Graph Builder.swift",
"Graph/Print Verilog.swift",
"Graph/Simplify.swift",
"Macros - Building.swift",
"Macros - Proof.swift",
"Mangle/File Name Mangle.swift",
"Mangle/Hashing.swift",
"Mangle/Name Mangling.swift",
"Module.swift",
"Runtime Support/BigInt/BigInt - Bitwise.swift",
"Runtime Support/BigInt/BigInt - Comparison.swift",
"Runtime Support/BigInt/BigInt - Conversion & Literal.swift",
"Runtime Support/BigInt/BigInt - Math Add & Sub.swift",
"Runtime Support/BigInt/BigInt - Math Mul & Div.swift",
"Runtime Support/BigInt/BigInt.swift",
"Runtime/Bool.swift",
"Runtime/Enum Runtime Support.swift",
"Runtime/IndexingItr.swift",
"Runtime/InlineArray.swift",
"Runtime/Integers/IntN - Operations.swift",
"Runtime/Integers/IntN.swift",
"Runtime/Integers/Standard Integer Runtime.swift",
"Runtime/Integers/UIntN - Operations.swift",
"Runtime/Integers/UIntN.swift",
"Runtime/Optional.swift",
"Runtime/Queue.swift",
"Runtime/Range.swift",
"Runtime/Wire - Logic.swift",
"Runtime/Wire - Traversal.swift",
"Runtime/Wire.swift",
"Scope/Assertion Set.swift",
"Scope/Assertion Type Message.swift",
"Scope/Assertion Type.swift",
"Scope/Building/Build Arith - Add.swift",
"Scope/Building/Build Arith - Compare.swift",
"Scope/Building/Build Arith - Div.swift",
"Scope/Building/Build Arith - Mul.swift",
"Scope/Building/Build Arith - Shift.swift",
"Scope/Building/Build Misc.swift",
"Scope/Debug Info.swift",
"Scope/Debugging.swift",
"Scope/Detached Port Naming.swift",
"Scope/Module Gen.swift",
"Scope/Module Seq Wrapper.swift",
"Scope/SAT Solver.swift",
"Scope/Scope - Building Gates.swift",
"Scope/Scope - Building Ports.swift",
"Scope/Scope - Condition.swift",
"Scope/Scope - Debugging.swift",
"Scope/Scope - Module Inst.swift",
"Scope/Scope - Prove Assert.swift",
"Scope/Scope - Prove Assume.swift",
"Scope/Scope - Prove Loop.swift",
"Scope/Scope.swift",
"Var Tracking/Local.swift",
"Var Tracking/Member.swift",
"Wire Types/Array/InlineArrayRef - Access.swift",
"Wire Types/Array/InlineArrayRef - Iteration.swift",
"Wire Types/Array/InlineArrayRef - Literal.swift",
"Wire Types/Array/InlineArrayRef.swift",
"Wire Types/Boolean/BoolRef - Logics.swift",
"Wire Types/Boolean/BoolRef.swift",
"Wire Types/Enum Support/Enum Raw Buffer.swift",
"Wire Types/Enum Support/Enum Wire Type.swift",
"Wire Types/Integers/IntRef - Comparison.swift",
"Wire Types/Integers/IntRef - Conversion.swift",
"Wire Types/Integers/IntRef - Literal.swift",
"Wire Types/Integers/IntRef - Magnitude.swift",
"Wire Types/Integers/IntRef - Math Add & Sub.swift",
"Wire Types/Integers/IntRef - Math Mul & Div.swift",
"Wire Types/Integers/IntRef.swift",
"Wire Types/Iterator/IndexingItrRef.swift",
"Wire Types/Optional/OptionalRef Support.swift",
"Wire Types/Optional/OptionalRef.swift",
"Wire Types/Pattern Matching/Pattern Matching.swift",
"Wire Types/Queue/QueueRef.swift",
"Wire Types/Range/RangeRef - Collection.swift",
"Wire Types/Range/RangeRef.swift",
"Wire Types/Ternary.swift",
"Wire Types/Wire Protocol/Protocol Arithmetic.swift",
"Wire Types/Wire Protocol/Protocol BinaryInteger.swift",
"Wire Types/Wire Protocol/Protocol Collection.swift",
"Wire Types/Wire Protocol/Protocol Equatable & Comparable.swift",
"Wire Types/Wire Protocol/Protocol FixedWidthInteger.swift",
"Wire Types/Wire Protocol/Protocol Iterator & Sequence.swift",
"Wire Types/Wire Protocol/Protocol Numeric.swift",
"Wire Types/Wire Protocol/Protocol Range.swift",
"Wire Types/Wire Protocol/Protocol Sign Integer.swift",
"Wire Types/Wire Protocol/Protocol Stridable.swift",
"Wire Types/WireRef - Logic.swift",
"Wire Types/WireRef - Traverse.swift",
"Wire Types/WireRef.swift"
],
"target_dependencies" : [
"ShimmersMacros"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Shimmers",
"shimmers-hdl-Package",
"ShimmersCLIWrapper"
]
}
}
2026-04-17 20:45:51.931 xcodebuild[818:4676] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme shimmers-hdl-Package -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme shimmers-hdl-Package -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 602.0.0
swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.7.1
shimmers-hdl: /Users/admin/builder/spi-builder-workspace
swift-system: https://github.com/apple/swift-system @ 1.6.4
swift-subprocess: https://github.com/swiftlang/swift-subprocess.git @ main (cdbbf14)
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (14 targets)
Target 'ShimmersCLIWrapper' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersCLIWrapper' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersMacros' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
Target 'ShimmersCLIWrapper' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersMacros' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
Target 'ArgumentParser' in project 'swift-argument-parser'
➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
Target 'ArgumentParser' in project 'swift-argument-parser'
➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (no dependencies)
Target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersMacros' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
Target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersMacros' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
Target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target '_SubprocessCShims' in project 'swift-subprocess'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
Target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target '_SubprocessCShims' in project 'swift-subprocess'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
Target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'CSystem' in project 'swift-system'
Target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'CSystem' in project 'swift-system'
Target 'CSystem' in project 'swift-system' (no dependencies)
Target '_SubprocessCShims' in project 'swift-subprocess' (no dependencies)
Target 'ShimmersMacros' in project 'shimmers-hdl' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 04874d9f981128514e94248c8cfc866f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/04874d9f981128514e94248c8cfc866f.xcbuilddata
error: The package product 'Subprocess' requires minimum platform version 26.4 for the watchOS platform, but this target supports 5.0 (in target 'ShimmersCLIWrapper' from project 'shimmers-hdl')
error: The package product 'Subprocess' requires minimum platform version 26.4 for the watchOS platform, but this target supports 5.0 (in target 'Shimmers' from project 'shimmers-hdl')
2026-04-17 20:45:57.053 xcodebuild[889:5156] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme shimmers-hdl-Package
(1 failure)
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
swift-subprocess: https://github.com/swiftlang/swift-subprocess.git @ main (cdbbf14)
swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 602.0.0
swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.7.1
shimmers-hdl: /Users/admin/builder/spi-builder-workspace
swift-system: https://github.com/apple/swift-system @ 1.6.4
resolved source packages: swift-subprocess, swift-syntax, swift-argument-parser, shimmers-hdl, swift-system
2026-04-17 20:46:02.451 xcodebuild[985:5647] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
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{
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2026-04-17 20:46:05.234 xcodebuild[1014:5806] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme shimmers-hdl-Package -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme shimmers-hdl-Package -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
swift-system: https://github.com/apple/swift-system @ 1.6.4
swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.7.1
swift-subprocess: https://github.com/swiftlang/swift-subprocess.git @ main (cdbbf14)
shimmers-hdl: /Users/admin/builder/spi-builder-workspace
swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 602.0.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (14 targets)
Target 'ShimmersCLIWrapper' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersCLIWrapper' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersMacros' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
Target 'ShimmersCLIWrapper' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersMacros' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
Target 'ArgumentParser' in project 'swift-argument-parser'
➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
Target 'ArgumentParser' in project 'swift-argument-parser'
➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (no dependencies)
Target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersMacros' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
Target 'Shimmers' in project 'shimmers-hdl'
➜ Explicit dependency on target 'ShimmersMacros' in project 'shimmers-hdl'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
Target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target '_SubprocessCShims' in project 'swift-subprocess'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
Target 'Subprocess' in project 'swift-subprocess'
➜ Explicit dependency on target '_SubprocessCShims' in project 'swift-subprocess'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
Target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'CSystem' in project 'swift-system'
Target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'CSystem' in project 'swift-system'
Target 'CSystem' in project 'swift-system' (no dependencies)
Target '_SubprocessCShims' in project 'swift-subprocess' (no dependencies)
Target 'ShimmersMacros' in project 'shimmers-hdl' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 04874d9f981128514e94248c8cfc866f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/04874d9f981128514e94248c8cfc866f.xcbuilddata
error: The package product 'Subprocess' requires minimum platform version 26.4 for the watchOS platform, but this target supports 5.0 (in target 'ShimmersCLIWrapper' from project 'shimmers-hdl')
error: The package product 'Subprocess' requires minimum platform version 26.4 for the watchOS platform, but this target supports 5.0 (in target 'Shimmers' from project 'shimmers-hdl')
2026-04-17 20:46:07.707 xcodebuild[1036:5923] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme shimmers-hdl-Package
(1 failure)
BUILD FAILURE 6.3 watchOS