Swift Package Index

Build Information

Failed to build DistributedTracer, reference main (d34f43), with Swift 6.3 for macOS (Xcode) using Xcode 26.4 on 14 Apr 2026 13:07:02 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/heckj/DistributedTracer.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/heckj/DistributedTracer
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at d34f436 updating README
Cloned https://github.com/heckj/DistributedTracer.git
Revision (git rev-parse @):
d34f4367e9a22a210eac3da4c82aceb8d5c2ac66
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/heckj/DistributedTracer.git at main
========================================
Build
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Selected platform:         macosXcodebuild
Swift version:             6.3
Building package at path:  $PWD
https://github.com/heckj/DistributedTracer.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/slashmo/swift-otel
Fetching from https://github.com/grpc/grpc-swift-nio-transport.git
Fetching from https://github.com/grpc/grpc-swift-2.git
Fetching from https://github.com/apple/swift-protobuf.git
Fetching from https://github.com/grpc/grpc-swift-protobuf.git
Fetching from https://github.com/apple/swift-metrics.git
Fetching from https://github.com/swift-server/async-http-client.git
Fetching from https://github.com/swift-otel/swift-w3c-trace-context.git
Fetching from https://github.com/apple/swift-atomics.git
Fetching from https://github.com/apple/swift-collections.git
Fetching from https://github.com/apple/swift-nio-ssl.git
Fetching from https://github.com/apple/swift-async-algorithms.git
Fetching from https://github.com/apple/swift-nio.git
Fetching from https://github.com/swift-server/swift-service-lifecycle.git
Fetching from https://github.com/apple/swift-log.git
Fetching from https://github.com/apple/swift-docc-plugin.git
Fetching from https://github.com/apple/swift-distributed-tracing.git
Fetching from https://github.com/grpc/grpc-swift.git
Fetching from https://github.com/apple/swift-nio-http2.git
Fetching from https://github.com/apple/swift-service-context.git
Fetching from https://github.com/swiftlang/swift-docc-symbolkit
Fetching from https://github.com/apple/swift-asn1.git
Fetching from https://github.com/apple/swift-nio-extras.git
Fetching from https://github.com/apple/swift-certificates.git
Fetching from https://github.com/apple/swift-nio-transport-services.git
Fetching from https://github.com/apple/swift-system.git
Fetching from https://github.com/apple/swift-crypto.git
Fetching from https://github.com/apple/swift-http-structured-headers.git
Fetching from https://github.com/apple/swift-http-types.git
Fetching from https://github.com/apple/swift-algorithms.git
Fetching from https://github.com/apple/swift-numerics.git
Fetching from https://github.com/apple/swift-configuration.git
Creating working copy of package ‘swift-http-types’
Checking out 1.5.1 of package ‘swift-http-types’
Creating working copy of package ‘swift-nio-http2’
Checking out 1.42.0 of package ‘swift-nio-http2’
Creating working copy of package ‘swift-system’
Checking out 1.6.4 of package ‘swift-system’
Creating working copy of package ‘swift-certificates’
Checking out 1.18.0 of package ‘swift-certificates’
Creating working copy of package ‘grpc-swift’
Checking out 1.27.5 of package ‘grpc-swift’
Creating working copy of package ‘grpc-swift-protobuf’
Checking out 2.2.1 of package ‘grpc-swift-protobuf’
Creating working copy of package ‘swift-nio-transport-services’
Checking out 1.26.0 of package ‘swift-nio-transport-services’
Creating working copy of package ‘async-http-client’
Checking out 1.33.1 of package ‘async-http-client’
Creating working copy of package ‘swift-numerics’
Checking out 1.1.1 of package ‘swift-numerics’
Creating working copy of package ‘swift-atomics’
Checking out 1.3.0 of package ‘swift-atomics’
Creating working copy of package ‘swift-algorithms’
Checking out 1.2.1 of package ‘swift-algorithms’
Creating working copy of package ‘swift-crypto’
Checking out 4.3.1 of package ‘swift-crypto’
Creating working copy of package ‘swift-service-lifecycle’
Checking out 2.11.0 of package ‘swift-service-lifecycle’
Creating working copy of package ‘swift-metrics’
Checking out 2.10.0 of package ‘swift-metrics’
Creating working copy of package ‘swift-otel’
Checking out main (71a5781) of package ‘swift-otel’
Creating working copy of package ‘swift-w3c-trace-context’
Checking out 1.0.0-beta.5 of package ‘swift-w3c-trace-context’
Creating working copy of package ‘swift-docc-plugin’
Checking out 1.4.6 of package ‘swift-docc-plugin’
Creating working copy of package ‘swift-async-algorithms’
Checking out 1.1.3 of package ‘swift-async-algorithms’
Creating working copy of package ‘swift-log’
Checking out 1.11.0 of package ‘swift-log’
Creating working copy of package ‘swift-nio-extras’
Checking out 1.33.0 of package ‘swift-nio-extras’
Creating working copy of package ‘swift-collections’
Checking out 1.4.1 of package ‘swift-collections’
Creating working copy of package ‘swift-protobuf’
Checking out 1.36.1 of package ‘swift-protobuf’
Creating working copy of package ‘grpc-swift-nio-transport’
Checking out 2.6.2 of package ‘grpc-swift-nio-transport’
Creating working copy of package ‘swift-docc-symbolkit’
Checking out 1.0.0 of package ‘swift-docc-symbolkit’
Creating working copy of package ‘swift-asn1’
Checking out 1.6.0 of package ‘swift-asn1’
Creating working copy of package ‘swift-nio-ssl’
Checking out 2.36.1 of package ‘swift-nio-ssl’
Creating working copy of package ‘swift-http-structured-headers’
Checking out 1.6.0 of package ‘swift-http-structured-headers’
Creating working copy of package ‘swift-configuration’
Checking out 1.2.0 of package ‘swift-configuration’
Creating working copy of package ‘grpc-swift-2’
Checking out 2.3.0 of package ‘grpc-swift-2’
Creating working copy of package ‘swift-distributed-tracing’
Checking out 1.4.1 of package ‘swift-distributed-tracing’
Creating working copy of package ‘swift-nio’
Checking out 2.97.1 of package ‘swift-nio’
Creating working copy of package ‘swift-service-context’
Checking out 1.3.0 of package ‘swift-service-context’
product 'OTLPGRPC' required by package 'spi-builder-workspace' target 'DistributedTracer' not found in package 'swift-otel'.Resolve Package Graph
product 'OTLPGRPC' required by package 'spi-builder-workspace' target 'DistributedTracer' not found in package 'swift-otel'.
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-14 09:06:52.585 xcodebuild[529:3069] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-14-04_09-06-0052.xcresult
xcodebuild: error: Could not resolve package dependencies:
  product 'OTLPGRPC' required by package 'spi-builder-workspace' target 'DistributedTracer' not found in package 'swift-otel'.
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
product 'OTLPGRPC' required by package 'spi-builder-workspace' target 'DistributedTracer' not found in package 'swift-otel'.
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-14 09:07:02.159 xcodebuild[2008:9923] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-14-04_09-07-0002.xcresult
xcodebuild: error: Could not resolve package dependencies:
  product 'OTLPGRPC' required by package 'spi-builder-workspace' target 'DistributedTracer' not found in package 'swift-otel'.
BUILD FAILURE 6.3 macosXcodebuild