python -u /b/s/w/ir/kitchen-checkout/recipe_engine/recipe_modules/file/resources/symlink.py --link-json /b/s/w/ir/tmp/t/tmpruG3hQ.json
in dir /b/s/w/ir/k:
 allow_subannotations: False
 cmd: ['python',
 '-u',
 '/b/s/w/ir/kitchen-checkout/recipe_engine/recipe_modules/file/resources/symlink.py',
 '--link-json',
 '/b/s/w/ir/tmp/t/tmpruG3hQ.json']
 env: {}
 env_prefixes: {}
 env_suffixes: {}
 infra_step: True
 name_tokens: ('shard QEMU', 'create tree of build artifacts')
 ok_ret: frozenset([0])
 trigger_specs: ()
full environment:
 BOTO_CONFIG: /b/s/w/ir/tmp/gsutil_task/.boto
 BUILDBUCKET_EXPERIMENTAL: FALSE
 CIPD_CACHE_DIR: /b/s/cipd_cache/cache
 CIPD_PROTOCOL: v2
 DEVSHELL_CLIENT_PORT: 39405
 DOCKER_CONFIG: /b/s/w/ir/tmp/docker_cfg_task
 DOCKER_TMPDIR: /b/s/w/ir/tmp/docker_tmp_task
 GIT_CONFIG_NOSYSTEM: 1
 GIT_TERMINAL_PROMPT: 0
 HOME: /home/swarming
 INFRA_GIT_WRAPPER_HOME: /b/s/w/ir/tmp/git_home_task
 INVOCATION_ID: 39d95ac6adf746f2ada52255d4853825
 JOURNAL_STREAM: 8:14326
 LANG: en_US.UTF-8
 LOGDOG_COORDINATOR_HOST: logs.chromium.org
 LOGDOG_STREAM_PREFIX: buildbucket/cr-buildbucket.appspot.com/8916423055370121296
 LOGDOG_STREAM_PROJECT: fuchsia
 LOGDOG_STREAM_SERVER_PATH: unix:/b/s/w/ir/tmp/ld.sock
 LOGNAME: swarming
 LUCI_CONTEXT: /b/s/w/itJHyshp/luci_context.881373236
 MAC_CHROMIUM_TMPDIR: /b/s/w/ir/tmp/t
 NO_GCE_CHECK: False
 PATH: /b/s/w/ir/cipd_bin_packages:/b/s/w/ir/cipd_bin_packages/bin:/b/s/cipd_cache/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 PWD: /b/s/w/ir/k
 PYTHONIOENCODING: UTF-8
 PYTHONUNBUFFERED: 1
 SHELL: /bin/bash
 SHLVL: 1
 SWARMING_BOT_ID: fuchsia-debian-16-6907d2bd-us-central1-b-l7mf
 SWARMING_EXTERNAL_BOT_SETUP: 1
 SWARMING_HEADLESS: 1
 SWARMING_SERVER: https://chromium-swarm.appspot.com
 SWARMING_TASK_ID: 44280793e615a011
 TEMP: /b/s/w/ir/tmp/t
 TEMPDIR: /b/s/w/ir/tmp/t
 TMP: /b/s/w/ir/tmp/t
 TMPDIR: /b/s/w/ir/tmp/t
 USER: swarming
 VPYTHON_VIRTUALENV_ROOT: /b/s/w/ir/cache/vpython
 _: /b/s/w/ir/cipd_bin_packages/vpython