Swift Package Index

Build Information

Failed to build Customer.io, reference main (4c5db0), with Swift 6.3 for macOS (SPM) on 1 May 2026 13:35:29 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/customerio/customerio-ios.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/customerio/customerio-ios
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4c5db0e chore(deps): resolve 3rd-party vulnerabilities (MBL-1696) (#1035)
Cloned https://github.com/customerio/customerio-ios.git
Revision (git rev-parse @):
4c5db0e8586ff2b8897c6634162ad43e732a1333
SUCCESS checkout https://github.com/customerio/customerio-ios.git at main
Fetching https://github.com/customerio/cdp-analytics-swift.git
Fetching https://github.com/LaunchDarkly/swift-eventsource.git
[1/3469] Fetching cdp-analytics-swift
[36/5264] Fetching cdp-analytics-swift, swift-eventsource
Fetched https://github.com/customerio/cdp-analytics-swift.git from cache (1.09s)
Fetched https://github.com/LaunchDarkly/swift-eventsource.git from cache (1.09s)
Computing version for https://github.com/LaunchDarkly/swift-eventsource.git
Computed https://github.com/LaunchDarkly/swift-eventsource.git at 3.3.0 (1.74s)
Computing version for https://github.com/customerio/cdp-analytics-swift.git
Computed https://github.com/customerio/cdp-analytics-swift.git at 1.7.3+cio.1 (0.52s)
Fetching https://github.com/segmentio/jsonsafeencoding-swift.git
Fetching https://github.com/segmentio/sovran-swift.git
[1/77] Fetching jsonsafeencoding-swift
[78/448] Fetching jsonsafeencoding-swift, sovran-swift
Fetched https://github.com/segmentio/sovran-swift.git from cache (0.74s)
Fetched https://github.com/segmentio/jsonsafeencoding-swift.git from cache (0.74s)
Computing version for https://github.com/segmentio/jsonsafeencoding-swift.git
Computed https://github.com/segmentio/jsonsafeencoding-swift.git at 2.0.0 (1.38s)
Computing version for https://github.com/segmentio/sovran-swift.git
Computed https://github.com/segmentio/sovran-swift.git at 1.1.2 (0.61s)
Creating working copy for https://github.com/segmentio/sovran-swift.git
Working copy of https://github.com/segmentio/sovran-swift.git resolved at 1.1.2
Creating working copy for https://github.com/LaunchDarkly/swift-eventsource.git
Working copy of https://github.com/LaunchDarkly/swift-eventsource.git resolved at 3.3.0
Creating working copy for https://github.com/customerio/cdp-analytics-swift.git
Working copy of https://github.com/customerio/cdp-analytics-swift.git resolved at 1.7.3+cio.1
Creating working copy for https://github.com/segmentio/jsonsafeencoding-swift.git
Working copy of https://github.com/segmentio/jsonsafeencoding-swift.git resolved at 2.0.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "customerio-ios",
      "name": "Customer.io",
      "url": "https://github.com/customerio/customerio-ios.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/customerio-ios",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "cdp-analytics-swift",
          "name": "CioAnalytics",
          "url": "https://github.com/customerio/cdp-analytics-swift.git",
          "version": "1.7.3+cio.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/cdp-analytics-swift",
          "traits": [
            "default"
          ],
          "dependencies": [
            {
              "identity": "sovran-swift",
              "name": "Sovran",
              "url": "https://github.com/segmentio/sovran-swift.git",
              "version": "1.1.2",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/sovran-swift",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            },
            {
              "identity": "jsonsafeencoding-swift",
              "name": "JSONSafeEncoding",
              "url": "https://github.com/segmentio/jsonsafeencoding-swift.git",
              "version": "2.0.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/jsonsafeencoding-swift",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "swift-eventsource",
          "name": "LDSwiftEventSource",
          "url": "https://github.com/LaunchDarkly/swift-eventsource.git",
          "version": "3.3.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-eventsource",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/customerio/customerio-ios.git
[1/41257] Fetching customerio-ios
Fetched https://github.com/customerio/customerio-ios.git from cache (2.15s)
Fetching https://github.com/customerio/cdp-analytics-swift.git from cache
Fetching https://github.com/LaunchDarkly/swift-eventsource.git from cache
Fetched https://github.com/LaunchDarkly/swift-eventsource.git from cache (0.47s)
Fetched https://github.com/customerio/cdp-analytics-swift.git from cache (0.47s)
Computing version for https://github.com/LaunchDarkly/swift-eventsource.git
Computed https://github.com/LaunchDarkly/swift-eventsource.git at 3.3.0 (0.53s)
Computing version for https://github.com/customerio/cdp-analytics-swift.git
Computed https://github.com/customerio/cdp-analytics-swift.git at 1.7.3+cio.1 (0.03s)
Fetching https://github.com/segmentio/jsonsafeencoding-swift.git from cache
Fetching https://github.com/segmentio/sovran-swift.git from cache
Fetched https://github.com/segmentio/jsonsafeencoding-swift.git from cache (0.45s)
Fetched https://github.com/segmentio/sovran-swift.git from cache (0.45s)
Computing version for https://github.com/segmentio/jsonsafeencoding-swift.git
Computed https://github.com/segmentio/jsonsafeencoding-swift.git at 2.0.0 (0.51s)
Computing version for https://github.com/segmentio/sovran-swift.git
Computed https://github.com/segmentio/sovran-swift.git at 1.1.2 (0.03s)
Creating working copy for https://github.com/customerio/cdp-analytics-swift.git
Working copy of https://github.com/customerio/cdp-analytics-swift.git resolved at 1.7.3+cio.1
Creating working copy for https://github.com/segmentio/jsonsafeencoding-swift.git
Working copy of https://github.com/segmentio/jsonsafeencoding-swift.git resolved at 2.0.0
Creating working copy for https://github.com/segmentio/sovran-swift.git
Working copy of https://github.com/segmentio/sovran-swift.git resolved at 1.1.2
Creating working copy for https://github.com/LaunchDarkly/swift-eventsource.git
Working copy of https://github.com/LaunchDarkly/swift-eventsource.git resolved at 3.3.0
Creating working copy for https://github.com/customerio/customerio-ios.git
Working copy of https://github.com/customerio/customerio-ios.git resolved at main (4c5db0e)
warning: '.resolve-product-dependencies': dependency 'customerio-ios' is not used by any target
Found 2 product dependencies
  - CioAnalytics
  - LDSwiftEventSource
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/customerio/customerio-ios.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: the library 'CioDataPipelines' requires macos 10.13, but depends on the product 'CioAnalytics' which requires macos 10.15; consider changing the library 'CioDataPipelines' to require macos 10.15 or later, or the product 'CioAnalytics' to require macos 10.13 or earlier.
BUILD FAILURE 6.3 macosSpm