The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.

connection error: desc = "error reading server preface: command [docker exec -i earthly-buildkitd buildctl dial-stdio] has exited with exit status 1, please make sure the URL is valid, and Docker 18.09 or later is installed on the remote host: stderr=error: dial unix /run/buildkit/buildkitd.sock: connect: no such file or directory\n"

connection error: desc = "error reading server preface: command [docker exec -i earthly-buildkitd buildctl dial-stdio] has exited with exit status 1, please make sure the URL is valid, and Docker 18.09 or later is installed on the remote host: stderr=error: dial unix /run/buildkit/buildkitd.sock: connect: no such file or directory\n"

Process completed with exit code 143.

Unexpected input(s) 'dockerhub_password', valid inputs are ['concurrency_key']

Unexpected input(s) 'dockerhub_password', valid inputs are ['concurrency_key']