180618 08:31 DEBUG: Keys will be read from /tmp/signer.keydir.MN4UeY/cros/keys/GruntPreMPKeys-v2

sign_official_build.sh: INFO   : Using firmware version: 1
sign_official_build.sh: INFO   : Using kernel version: 1
sign_official_build.sh: INFO   : Preparing recovery image...
sign_official_build.sh: INFO   : Found a valid firmware update shellball.
sign_official_build.sh: INFO   : Using signer_config.csv to determine firmware signatures
sign_official_build.sh: INFO   : See go/cros-unibuild-signing for details
sign_official_build.sh: INFO   : Detected key index from loem.ini as  for CAREENA
sign_official_build.sh: ERROR  : Failed to find key_id CAREENA in loem.ini file for  careena