Seen on #23053

https://source.cloud.google.com/results/invocations/e68c4538-dc87-49ce-a922-e72644d339bf/log

Bash completion has been installed to:
/usr/local/etc/bash_completion.d
Requirements installation failed with status: 1.
__rvm_rm_rf already gone: /Users/kbuilder/.rvm/tmp/3021*

[ID: 3310865] Build finished after 461 secs, exit value: 1

Warning: Permanently added 'localhost' (ECDSA) to the list of known hosts.
[17:36:41] Collecting build artifacts from build VM
Build script failed with exit code: 1