erlang 24.3.3, rebar3 are used.
rebar3 as default keyboard
show the following message
bash-3.2$ rebar3 as default tar
===> Verifying dependencies...
===> Analyzing applications...
===> Compiling keyboard
===> Assembling release keyboard-0.0.1.0...
===> Warnings generating release:
*WARNING* stdlib: Object code (filename) out of date
===> Release successfully assembled: _build/default/rel/keyboard
===> Building release tarball keyboard-0.0.1.0.tar.gz...
===> Tarball successfully created: _build/default/rel/keyboard/keyboard-0.0.1.0.tar.gz
what's the meaning of this warning message?