message: allow building locally as well as with docker
  If docker uses the .rustwide directory, it will only be readable and
  writable by root. This uses a different scratch directory so that the
  .rustwide directory can be used for local builds.
diff: @@ -8,7 +8,7 @@ services:
  - "3000:3000"
  volumes:
  - "/var/run/docker.sock:/var/run/docker.sock"
  - - ".rustwide:/home/cratesfyi/rustwide"
  + - ".rustwide-docker:/home/cratesfyi/rustwide"
  - "cratesio-index:/opt/docsrs/prefix/crates.io-index"
  environment:
  CRATESFYI_RUSTWIDE_WORKSPACE: /home/cratesfyi/rustwide
  