refactor: add redundant_imports rustc style/readability lint (#923)

Author: RRRadicalEdward

Cargo.toml

@@ -66,6 +66,7 @@ unused_qualifications = "warn"
 keyword_idents = "warn"
 noop_method_call = "warn"
 macro_use_extern_crate = "warn"
+redundant_imports = "warn"
 # missing_docs = "warn" # TODO: NOTE(@CBenoit): we probably want to ensure this in core tier crates only
 
 # == Compile-time / optimization == #

crates/ironrdp-connector/src/connection_activation.rs

@@ -266,8 +266,8 @@ fn create_client_confirm_active(
 ) -> rdp::capability_sets::ClientConfirmActive {
     use ironrdp_pdu::rdp::capability_sets::{
         client_codecs_capabilities, Bitmap, BitmapCache, BitmapDrawingFlags, Brush, CacheDefinition, CacheEntry,
-        CapabilitySet, ClientConfirmActive, CmdFlags, DemandActive, FrameAcknowledge, General, GeneralExtraFlags,
-        GlyphCache, GlyphSupportLevel, Input, InputFlags, LargePointer, LargePointerSupportFlags, MultifragmentUpdate,
+        ClientConfirmActive, CmdFlags, DemandActive, FrameAcknowledge, General, GeneralExtraFlags, GlyphCache,
+        GlyphSupportLevel, Input, InputFlags, LargePointer, LargePointerSupportFlags, MultifragmentUpdate,
         OffscreenBitmapCache, Order, OrderFlags, OrderSupportExFlags, Pointer, Sound, SoundFlags, SupportLevel,
         SurfaceCommands, VirtualChannel, VirtualChannelFlags, BITMAP_CACHE_ENTRIES_NUM, GLYPH_CACHE_NUM,
         SERVER_CHANNEL_ID,

crates/ironrdp-dvc/src/lib.rs

@@ -18,7 +18,7 @@ use crate::alloc::borrow::ToOwned as _;
 pub use ironrdp_pdu;
 use ironrdp_core::{assert_obj_safe, cast_length, encode_vec, other_err, AsAny, Encode, EncodeResult};
 use ironrdp_pdu::{decode_err, pdu_other_err, PduResult};
-use ironrdp_svc::{self, SvcMessage};
+use ironrdp_svc::SvcMessage;
 
 mod complete_data;
 use complete_data::CompleteData;

crates/ironrdp-error/src/lib.rs

@@ -5,7 +5,7 @@
 #[cfg(feature = "alloc")]
 extern crate alloc;
 
-#[cfg(feature = "alloc")]
+#[cfg(all(feature = "alloc", not(feature = "std")))]
 use alloc::boxed::Box;
 use core::fmt;
 

crates/ironrdp-fuzzing/src/oracles/mod.rs

@@ -18,7 +18,7 @@ pub fn pdu_decode(data: &[u8]) {
     use ironrdp_pdu::nego::{ConnectionConfirm, ConnectionRequest};
     use ironrdp_pdu::rdp::{capability_sets, headers, server_error_info, server_license, vc, ClientInfoPdu};
     use ironrdp_pdu::x224::X224;
-    use ironrdp_pdu::{bitmap, codecs, fast_path, gcc, input, ironrdp_core, pcb, surface_commands};
+    use ironrdp_pdu::{bitmap, codecs, fast_path, gcc, input, pcb, surface_commands};
 
     let _ = decode::<X224<ConnectionRequest>>(data);
     let _ = decode::<X224<ConnectionConfirm>>(data);

crates/ironrdp-graphics/src/rlgr.rs

@@ -2,9 +2,7 @@ use core::cmp::min;
 use std::io;
 
 use bitvec::field::BitField as _;
-use bitvec::order::Msb0;
 use bitvec::prelude::*;
-use bitvec::slice::BitSlice;
 use ironrdp_pdu::codecs::rfx::EntropyAlgorithm;
 
 use crate::utils::Bits;

crates/ironrdp-mstsgu/src/lib.rs

@@ -25,9 +25,8 @@ use tokio::io::{AsyncRead, AsyncWrite};
 use tokio::net::TcpStream;
 use tokio::sync::oneshot;
 use tokio_tungstenite::tungstenite::handshake::client::generate_key;
-use tokio_tungstenite::tungstenite::http;
 use tokio_tungstenite::tungstenite::protocol::Role;
-use tokio_tungstenite::tungstenite::Message;
+use tokio_tungstenite::tungstenite::{http, Message};
 use tokio_tungstenite::WebSocketStream;
 use tokio_util::sync::PollSender;
 

crates/ironrdp-pdu/src/basic_output/surface_commands/tests.rs

@@ -2,7 +2,6 @@ use ironrdp_core::{decode, encode};
 use lazy_static::lazy_static;
 
 use super::*;
-use crate::geometry::ExclusiveRectangle;
 
 const FRAME_MARKER_BUFFER: [u8; 8] = [0x4, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0];
 

crates/ironrdp-pdu/src/mcs.rs

@@ -939,16 +939,15 @@ pub use legacy::McsError;
 mod legacy {
     use std::io;
 
-    use ironrdp_core::{Decode, DecodeResult, Encode, EncodeResult};
+    use ironrdp_core::{Decode, DecodeResult, Encode};
     use thiserror::Error;
 
     use super::{
         cast_length, ensure_size, ConnectInitial, ConnectResponse, DomainParameters, PduError, ReadCursor, WriteCursor,
         RESULT_ENUM_LENGTH,
     };
-    use crate::ber;
-    use crate::gcc::conference_create::{ConferenceCreateRequest, ConferenceCreateResponse};
-    use crate::gcc::GccError;
+    use crate::gcc::{ConferenceCreateRequest, ConferenceCreateResponse, GccError};
+    use crate::{ber, EncodeResult};
 
     // impl<'de> McsPdu<'de> for ConnectInitial {
     //     const MCS_NAME: &'static str = "DisconnectProviderUltimatum";

crates/ironrdp-pdu/src/rdp/capability_sets/bitmap_codecs/tests.rs

@@ -1,4 +1,4 @@
-use ironrdp_core::{decode, decode_cursor, encode_vec, DecodeErrorKind};
+use ironrdp_core::{decode_cursor, encode_vec, DecodeErrorKind};
 use lazy_static::lazy_static;
 
 use super::*;