error: unrecognized characters
 --> <input>:1:10
  |
1 | r#'foo'# r'foo' q###'bar'### q##'bar'##
  |          ^^^^^^
  |

error: unexpected closing `'##`
 --> <input>:1:37
  |
1 | r#'foo'# r'foo' q###'bar'### q##'bar'##
  |                                     ^^^ expected to be opened by `r##'`
  |

error: unrecognized characters
 --> <input>:1:30
  |
1 | r#'foo'# r'foo' q###'bar'### q##'bar'##
  |                              ^^^^^^^
  |

error: aborting due to 3 errors