Fix failures on nightly

Author: Perseus101

src/proto/h1/role.rs

@@ -80,9 +80,9 @@ impl Http1Transaction for Server {
         // but we *never* read any of it until after httparse has assigned
         // values into it. By not zeroing out the stack memory, this saves
         // a good ~5% on pipeline benchmarks.
-        let mut headers_indices: [HeaderIndices; MAX_HEADERS] = unsafe { mem::uninitialized() };
+        let mut headers_indices: [HeaderIndices; MAX_HEADERS] = unsafe { mem::MaybeUninit };
         {
-            let mut headers: [httparse::Header; MAX_HEADERS] = unsafe { mem::uninitialized() };
+            let mut headers: [httparse::Header; MAX_HEADERS] = unsafe { mem::MaybeUninit };
             trace!("Request.parse([Header; {}], [u8; {}])", headers.len(), buf.len());
             let mut req = httparse::Request::new(&mut headers);
             let bytes = buf.as_ref();
@@ -592,9 +592,9 @@ impl Http1Transaction for Client {
                 return Ok(None);
             }
             // Unsafe: see comment in Server Http1Transaction, above.
-            let mut headers_indices: [HeaderIndices; MAX_HEADERS] = unsafe { mem::uninitialized() };
+            let mut headers_indices: [HeaderIndices; MAX_HEADERS] = unsafe { mem::MaybeUninit };
             let (len, status, version, headers_len) = {
-                let mut headers: [httparse::Header; MAX_HEADERS] = unsafe { mem::uninitialized() };
+                let mut headers: [httparse::Header; MAX_HEADERS] = unsafe { mem::MaybeUninit };
                 trace!("Response.parse([Header; {}], [u8; {}])", headers.len(), buf.len());
                 let mut res = httparse::Response::new(&mut headers);
                 let bytes = buf.as_ref();