message: Fix compilation error
  Apparently the bail! macro doesn't support trailing commas :-/
diff: @@ -246,7 +246,7 @@ fn install_one(
  "Using `cargo install` to install the binaries for the \
  project in current working directory is no longer supported, \
  use `cargo install --path .` instead. \
  - Use `cargo build` if you want to simply build the package.",
  + Use `cargo build` if you want to simply build the package."
  ),
  }
  };
  