warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> src/main.rs:143:38
    |
143 |         let go_version = get_version(&go_path_str)?;
    |                                      ^^^^^^^^^^^^ help: change this to: `go_path_str`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: unneeded `return` statement
   --> src/main.rs:128:13
    |
128 |             return Ok::<i32, anyhow::Error>(0);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
    = note: `#[warn(clippy::needless_return)]` on by default
help: remove `return`
    |
128 -             return Ok::<i32, anyhow::Error>(0);
128 +             Ok::<i32, anyhow::Error>(0)
    |

warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> src/main.rs:95:23
   |
95 |     match backup_file(&file_path) {
   |                       ^^^^^^^^^^ help: change this to: `file_path`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> src/utils.rs:80:23
   |
80 |   let url = build_url(&download_url, &path);
   |                       ^^^^^^^^^^^^^ help: change this to: `download_url`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> src/checksum.rs:23:42
   |
23 |   let md5_url = replace_sql_zip_with_md5(&url)?;
   |                                          ^^^^ help: change this to: `url`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
   = note: `#[warn(clippy::needless_borrow)]` on by default

warning: unneeded unit return type
  --> src/main.rs:89:39
   |
89 | fn backup_or_fail(file_path: &PathBuf) -> () {
   |                                       ^^^^^^ help: remove the `-> ()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
   = note: `#[warn(clippy::unused_unit)]` on by default