Failing to start autoware auto on NVidia Jetson Xavier

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I followed the installation instructions for Autoware.auto found in this link: https://autowarefoundation.gitlab.io/... but I am encountering an error when I run ade start. My terminal shows

nvidia@matt-xavier:~/m2/adehome/AutowareAuto$ ade start
Starting ade with the following images:
ade          | n/a     | master | registry.gitlab.com/autowarefoundation/autoware.auto/autowareauto/ade:master
ade-atom     | v1.39.1 | latest | registry.gitlab.com/apexai/ade-atom:latest                                  
autowareauto | n/a     | master | registry.gitlab.com/autowarefoundation/autoware.auto/autowareauto:master    
ade_registry.gitlab.com_apexai_ade-atom_latest
ade_registry.gitlab.com_autowarefoundation_autoware.auto_autowareauto_master
non-network local connections being added to access control list
standard_init_linux.go:211: exec user process caused "exec format error"
ERROR: Failed to start ade. Re-run with --debug to get more information.

Of course when I run ade --debug, I get Error: no such option: --debug. How do I resolve this problem?

I am using a NVidia Jetson AGX Xavier flashed with JetPack 4.2.2 (so Ubuntu 18.04 bionic). I did not explicitly install any version of ROS 2, since I assumed that was part of the docker image in ADE (and no part of the installation instructions told me to explicitly install ROS 2). I have ROS melodic installed, if that's relevant.