warning: `extern` fn uses type `dyn autoclip_core::PluginRegistrar`, which is not FFI-safe
  --> app/src/plugin.rs:89:19
   |
89 |         function: unsafe extern "C" fn(&mut dyn autoclip_core::PluginRegistrar) -> (),
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
   |
   = note: trait objects have no C equivalent
   = note: `#[warn(improper_ctypes_definitions)]` on by default

warning: assigning the result of `Clone::clone()` may be inefficient
   --> app/src/main.rs:103:9
    |
103 |         previous = contents.clone();
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `previous.clone_from(&contents)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones
    = note: `#[warn(clippy::assigning_clones)]` on by default

warning: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
  --> app/src/main.rs:57:19
   |
57 |     plugins_path: &PathBuf,
   |                   ^^^^^^^^ help: change this to: `&Path`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
   = note: `#[warn(clippy::ptr_arg)]` on by default

warning: trait `GetClipboardTypes` is never used
  --> app/src/platform/mod.rs:14:18
   |
14 | pub(crate) trait GetClipboardTypes {
   |                  ^^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default

warning: `extern` fn uses type `dyn PluginRegistrar`, which is not FFI-safe
  --> core/src/lib.rs:26:19
   |
26 |     pub register: unsafe extern "C" fn(&mut dyn PluginRegistrar),
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
   |
   = note: trait objects have no C equivalent
   = note: `#[warn(improper_ctypes_definitions)]` on by default