Perl support on Windows

[Lekensteyn]

You appear to have secrets:

Setting environment variables from repository settings
$ export DOCKER_PASS=[secure]
$ export DOCKER_USER=[secure]

which are currently not supported:

Current known issues — Please read this before posting a new topic

Here are some issues that we know about, beyond language support. Secrets are not filtered For the time being, secrets (whether they are defined in .travis.yml or on the Settings panel) are not filtered. Be mindful of potential leaks, and review Caching is not yet supported This is now working in production on both .com and .org. Debug mode is not supported NVS version names are different from those of NVM As a result, some names in nvm do not work on Windows, and names on nvs do n…