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Build Information

Failed to build DistributedTracer, reference main (d34f43), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 16:15:31 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
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
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/heckj/DistributedTracer.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
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Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
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Creating working copy for https://github.com/apple/swift-nio-transport-services.git
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Creating working copy for https://github.com/slashmo/swift-otel
Working copy of https://github.com/slashmo/swift-otel resolved at main (b601415)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.6.0
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Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
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Working copy of https://github.com/apple/swift-nio.git resolved at 2.103.0
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Working copy of https://github.com/apple/swift-http-structured-headers.git resolved at 1.7.0
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Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/apple/swift-certificates.git
Working copy of https://github.com/apple/swift-certificates.git resolved at 1.20.0
Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.12.0
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Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-nio-extras.git
Working copy of https://github.com/apple/swift-nio-extras.git resolved at 1.35.1
error: 'spi-builder-workspace': product 'OTLPGRPC' required by package 'spi-builder-workspace' target 'DistributedTracer' not found in package 'swift-otel'.
BUILD FAILURE 6.4 macosSpm