more warning avoidance

Author: dwrensha

capnp-rpc/src/rpc.rs

@@ -38,7 +38,6 @@ use std::collections::binary_heap::BinaryHeap;
 use std::collections::hash_map::HashMap;
 use std::mem;
 use std::rc::{Rc, Weak};
-use std::vec::Vec;
 
 use crate::attach::Attach;
 use crate::local::ResultsDoneHook;

capnp/src/private/capability.rs

@@ -21,7 +21,6 @@
 
 #![cfg(feature = "alloc")]
 use alloc::boxed::Box;
-use alloc::vec::Vec;
 
 use crate::any_pointer;
 use crate::capability::{Params, Promise, RemotePromise, Request, Results};
@@ -137,7 +136,7 @@ pub trait PipelineHook {
 
     /// Version of get_pipelined_cap() passing the array by move. May avoid a copy in some cases.
     /// Default implementation just calls the other version.
-    fn get_pipelined_cap_move(&self, ops: Vec<PipelineOp>) -> Box<dyn ClientHook> {
+    fn get_pipelined_cap_move(&self, ops: alloc::vec::Vec<PipelineOp>) -> Box<dyn ClientHook> {
         self.get_pipelined_cap(&ops)
     }
 }

capnp/src/serialize.rs

@@ -29,10 +29,6 @@ pub use no_alloc_buffer_segments::{NoAllocBufferSegments, NoAllocSliceSegments};
 use crate::io::{Read, Write};
 #[cfg(feature = "alloc")]
 use alloc::vec::Vec;
-#[cfg(feature = "alloc")]
-use core::convert::TryInto;
-#[cfg(feature = "alloc")]
-use core::ops::Deref;
 
 use crate::message;
 use crate::private::units::BYTES_PER_WORD;
@@ -113,7 +109,7 @@ pub struct BufferSegments<T> {
 }
 
 #[cfg(feature = "alloc")]
-impl<T: Deref<Target = [u8]>> BufferSegments<T> {
+impl<T: core::ops::Deref<Target = [u8]>> BufferSegments<T> {
     /// Reads a serialized message (including a segment table) from a buffer and takes ownership, without copying.
     /// The buffer is allowed to be longer than the message. Provide this to `Reader::new` with options that make
     /// sense for your use case. Very long lived mmaps may need unlimited traversal limit.
@@ -143,7 +139,7 @@ impl<T: Deref<Target = [u8]>> BufferSegments<T> {
 }
 
 #[cfg(feature = "alloc")]
-impl<T: Deref<Target = [u8]>> message::ReaderSegments for BufferSegments<T> {
+impl<T: core::ops::Deref<Target = [u8]>> message::ReaderSegments for BufferSegments<T> {
     fn get_segment(&self, id: u32) -> Option<&[u8]> {
         if id < self.segment_indices.len() as u32 {
             let (a, b) = self.segment_indices[id as usize];

capnpc/src/codegen.rs

@@ -23,7 +23,6 @@ use std::collections;
 use std::collections::{HashMap, HashSet};
 use std::path::{Path, PathBuf};
 
-use capnp;
 use capnp::schema_capnp;
 use capnp::Error;