error: use of `default` to create a unit struct
  --> src/utils/headers.rs:37:82
   |
37 |         let mut meta_map = HashMap::with_capacity_and_hasher(shint, FxBuildHasher::default());
   |                                                                                  ^^^^^^^^^^^ help: remove this call to `default`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs
   = note: `-D clippy::default-constructed-unit-structs` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::default_constructed_unit_structs)]`

error: matching over `()` is more explicit
   --> src/server/mod.rs:207:9
    |
207 |         _ = terminate => {},
    |         ^ help: use `()` instead of `_`: `()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns

error: matching over `()` is more explicit
   --> src/server/mod.rs:206:9
    |
206 |         _ = ctrl_c => {},
    |         ^ help: use `()` instead of `_`: `()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns
    = note: `-D clippy::ignored-unit-patterns` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::ignored_unit_patterns)]`

error: consider adding a `;` to the last statement for consistent formatting
   --> src/server/mod.rs:209:5
    |
209 |     eprintln!("Shutting down ...")
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add a `;` here: `eprintln!("Shutting down ...");`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#semicolon_if_nothing_returned
    = note: `-D clippy::semicolon-if-nothing-returned` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::semicolon_if_nothing_returned)]`

error: match can be simplified with `.unwrap_or_default()`
  --> src/models/file_info.rs:48:24
   |
48 |           let metadata = match initial_metadata {
   |  ________________________^
49 | |             Some(meta) => meta,
50 | |             None => FxHashMap::default(),
51 | |         };
   | |_________^ help: replace it with: `initial_metadata.unwrap_or_default()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
   = note: `-D clippy::manual-unwrap-or-default` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::manual_unwrap_or_default)]`