コンパイルエラー

error[E0432]: unresolved import `cp_library_rs`
 --> src/main.rs:5:5
  |
5 | use cp_library_rs::debug;
  |     ^^^^^^^^^^^^^ use of undeclared crate or module `cp_library_rs`

For more information about this error, try `rustc --explain E0432`.
error: could not compile `Rust` (bin "Rust") due to 1 previous error