"postderef" is not supported by Perl 5.18.2

[montge]

We get the following when trying to run inside of version of perl 5.18.2. Looks like minimum version maybe be required.

Feature "postderef" is not supported by Perl 5.18.2 at lib/AWS/Network/SecurityGroupMap.pm line 32.
BEGIN failed--compilation aborted at lib/AWS/Network/SecurityGroupMap.pm line 32.
Compilation failed in require at bin/map_network_sgs line 4.
BEGIN failed--compilation aborted at bin/map_network_sgs line 4.

[pplu]

A modern Perl is required (I don't remember the exact version). Take a look at the Dockerfile in this repo for help, or try with plenv to get access to a more modern Perl.