Error: The `set-env` command is disabled.

[G1K]

Unable to process command '::set-env name=HOST_TMP_DIR::/tmp/builder' successfully.
Error: The set-env command is disabled. Please upgrade to using Environment Files or opt into unsecure command execution by setting the ACTIONS_ALLOW_UNSECURE_COMMANDS environment variable to true. For more information see: https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/

If you replace it with what they recommend, then setting variables from the docker container does not pass.
https://github.com/G1K/openwrt-fastbuild-actions/runs/2205313841?check_suite_focus=true
@tete1030 Please see how I tried to fix it. Can you suggest a way out of this situation?

[G1K]

So far I decided to turn on ACTIONS_ALLOW_UNSECURE_COMMANDS

But it seems to me that soon such commands will be banned altogether. After deprected