Fix "large future" lint errors.

Author: mleonhard

src/response.rs

@@ -7,7 +7,9 @@ use std::io::Write;
 use crate::event::EventReceiver;
 use crate::http_error::HttpError;
 use crate::util::{copy_async, copy_chunked_async};
-use crate::{AsciiString, ContentType, Cookie, Error, EventSender, HeaderList, ResponseBody};
+#[cfg(feature = "include_dir")]
+use crate::Error;
+use crate::{AsciiString, ContentType, Cookie, EventSender, HeaderList, ResponseBody};
 use safina_sync::sync_channel;
 use std::fmt::Debug;
 use std::sync::Mutex;

src/util.rs

@@ -29,7 +29,7 @@ pub async fn copy_async(
     mut reader: impl AsyncRead + Unpin,
     mut writer: impl AsyncWrite + Unpin,
 ) -> CopyResult {
-    let mut buf = <FixedBuf<65536>>::new();
+    let mut buf = Box::pin(<FixedBuf<65536>>::new());
     let mut num_copied = 0;
     loop {
         match reader.read(buf.writable()).await {
@@ -82,7 +82,7 @@ pub async fn copy_chunked_async(
 ) -> CopyResult {
     let mut num_copied = 0;
     loop {
-        let mut buf = [0_u8; 65536];
+        let mut buf = Box::pin([0_u8; 65536]);
         let len = match reader.read(&mut buf[6..65534]).await {
             Ok(0) => break,
             Ok(len) => len,

tests/head.rs

@@ -341,6 +341,7 @@ fn read_http_head_subsequent() {
 }
 
 #[test]
+#[allow(clippy::redundant_clone)]
 fn head_derive() {
     let head1 = Head::try_read(&mut FixedBuf::from(
         *b"A /1 HTTP/1.1\r\nH1: V1\r\nh2:v2\r\n\r\n",