message: Only set RUST_LOG in docker if it's unset
diff: @@ -4,7 +4,7 @@ set -euv
  export CRATESFYI_PREFIX=/opt/docsrs/prefix
  export DOCS_RS_DOCKER=true
  -export RUST_LOG=cratesfyi,rustwide=info
  +export RUST_LOG=${RUST_LOG-cratesfyi,rustwide=info}
  export PATH="$PATH:/build/target/release"
  # Try migrating the database multiple times if it fails
  