What is the problem you are having with rclone?

Using rclone mount with a non-persistent configuration (all settings given by environment variables) & VFS caching enabled attempts to use a VFS cache dir with illegal characters (:) on Windows.

What is your rclone version (output from rclone version)

rclone v1.52.3
- os/arch: windows/amd64
- go version: go1.14.7

It'd be great to have a frequently asked questions section as part of our official website. Such like https://prometheus.io/docs/introduction/faq/

We are getting similar questions from the community over public slack channels and office hours. We can gather them together and help the community.

cc @bwplotka @brancz

Use case:
A hosting provider only allows me to make backup as .tar.gz files. I would like to feed those directly to Kopia.

With Restic I can do gunzip -c backup.tar.gz | restic -r ~/repo backup --stdin which is pretty simple.

We should start by filing an issue to discuss the exact usage, since it cannot be that simple unfortunately (we need to keep track of these snapshots somehow

See the changes in #4379, we need similar changes for Cloud Bigtable

Describe the bug
Drone prints passed gcs.json-key secret in the logs when debug mode is enabled

To Reproduce
Steps to reproduce the behavior:

1. using current version v1.1.0, I passed gcs.json-key as organization secret and enable debug mode.

Expected behavior

on debug mode or not, drone should never print a secret, and you will see in the screenshot that drone actu