Reformat and keep with ci

[anatawa12]

No description provided.

[NobodyXu]

There's still some warnings though:

  --> tests/7zip_compatiblity_test.rs:45:9
   |
45 |     let mut temp_dir = TempDir::new().unwrap();
   |         ----^^^^^^^^
   |         |
   |         help: remove this `mut`
   |
   = note: `#[warn(unused_mut)]` on by default

warning: variable does not need to be mutable
  --> tests/7zip_compatiblity_test.rs:55:9
   |
55 |     let mut seven_zip_process = Command::new(seven_zip)
   |         ----^^^^^^^^^^^^^^^^^
   |         |
   |         help: remove this `mut`

[anatawa12]

Thank you for quick reviewing again.