error: useless conversion to the same type: `std::collections::hash_map::Keys<'_, (u16, u16), std::boxed::Box<dyn for<'a> std::ops::Fn(&'a rusb::Device<rusb::GlobalContext>) -> std::pin::Pin<std::boxed::Box<dyn futures::Future<Output = std::result::Result<std::boxed::Box<dyn firmware_update::transport::FwUpdateTransport>, firmware_update::FwUpdateError>> + std::marker::Send>> + std::marker::Send + std::marker::Sync>>`
   --> src/app/bmc_application.rs:226:57
    |
226 |         self.configure_node_for_fwupgrade(node, router, SUPPORTED_DEVICES.keys().into_iter())
    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `SUPPORTED_DEVICES.keys()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
    = note: `-D clippy::useless-conversion` implied by `-D warnings`

error: variant `DeviceNotFound` is never constructed
  --> src/firmware_update/mod.rs:63:5
   |
61 | pub enum FwUpdateError {
   |          ------------- variant in this enum
62 |     #[error("Device {0:#06x}:{1:#06x} not found")]
63 |     DeviceNotFound(u16, u16),
   |     ^^^^^^^^^^^^^^
   |
   = note: `FwUpdateError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
   = note: `-D dead-code` implied by `-D warnings`