Exit status: 65

[flexbox]

** ARCHIVE FAILED **
ERROR [2019-05-09 09:27:33.38]: Exit status: 65
INFO [2019-05-09 09:27:33.40]: 
WARN [2019-05-09 09:27:33.40]: Maybe the error shown is caused by using the wrong version of Xcode
WARN [2019-05-09 09:27:33.40]: Found multiple versions of Xcode in '/Applications/'
WARN [2019-05-09 09:27:33.40]: Make sure you selected the right version for your project
WARN [2019-05-09 09:27:33.40]: This build process was executed using '/Applications/Xcode-10.2.app'
WARN [2019-05-09 09:27:33.40]: If you want to update your Xcode path, either
INFO [2019-05-09 09:27:33.40]: 
INFO [2019-05-09 09:27:33.40]: - Specify the Xcode version in your Fastfile
INFO [2019-05-09 09:27:33.41]: ▸ xcversion(version: "8.1") # Selects Xcode 8.1.0

.circleci/config.yml

# iOS
macos_defaults: &macos_defaults
  macos:
    xcode: "10.2.0"

# -------------------------
#          JOBS
# -------------------------

version: 2.1
orbs:
  slack: circleci/slack@1.0.0

jobs:
  build:
    working_directory: ~/repo
    docker:
      # documented at https://circleci.com/docs/2.0/circleci-images/
      - image: circleci/node:10

ios/Fastfile

platform :ios do
  before_all do
    setup_circle_ci
  end

  def xcode_version_select
    xcversion(version: '10.2.0')
  end

  ...

     lane :release_to_beta do
    check_build_number_versus_testflight
    match(type: 'appstore')
    xcode_version_select
    build_app(
      scheme: APP_SCHEME.to_s,
      export_options: {
        ...
        }
      },
      xcargs: "-UseNewBuildSystem=NO"
    )
  end

[flexbox]

Solution:
remove xcargs: "-UseNewBuildSystem=NO" for Xcode 10.2