remove #![deny(warnings)] (#10376)

Prefer RUSTFLAGS="-D warnings" to prevent warnings, but cannot 
enable yet due to #10378.

.github/workflows/ci.yml

@@ -48,6 +48,8 @@ jobs:
     env:
       RUST_BACKTRACE: full
       CARGO_TERM_COLOR: always
+      # TODO(ry) Enable error on warning after fixing https://github.com/denoland/deno/issues/10378
+      # RUSTFLAGS: -D warnings
 
     steps:
       - name: Configure git

cli/main.rs

@@ -1,7 +1,5 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 
-#![deny(warnings)]
-
 mod ast;
 mod auth_tokens;
 mod checksum;

cli/main_runtime.rs

@@ -1,7 +1,5 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 
-#![deny(warnings)]
-
 mod colors;
 mod standalone;
 mod tokio_util;

cli/tests/integration_tests.rs

@@ -5384,8 +5384,7 @@ console.log("finish");
       .wait_with_output()
       .unwrap();
     assert!(output.status.success());
-    let exists = std::path::Path::new(&exe).exists();
-    assert!(exists, true);
+    assert!(std::path::Path::new(&exe).exists());
   }
 
   #[test]

core/runtime.rs

@@ -1495,7 +1495,6 @@ pub mod tests {
 
   enum Mode {
     Async,
-    AsyncUnref,
     AsyncZeroCopy(bool),
   }
 
@@ -1520,16 +1519,6 @@ pub mod tests {
         let resp = (0, serialize_op_result(Ok(43), rc_op_state));
         Op::Async(Box::pin(futures::future::ready(resp)))
       }
-      Mode::AsyncUnref => {
-        let control: u8 = payload.deserialize().unwrap();
-        assert_eq!(control, 42);
-        let fut = async {
-          // This future never finish.
-          futures::future::pending::<()>().await;
-          (0, serialize_op_result(Ok(43), rc_op_state))
-        };
-        Op::AsyncUnref(Box::pin(fut))
-      }
       Mode::AsyncZeroCopy(has_buffer) => {
         assert_eq!(buf.is_some(), has_buffer);
         if let Some(buf) = buf {

op_crates/crypto/lib.rs

@@ -1,7 +1,5 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 
-#![deny(warnings)]
-
 use deno_core::error::null_opbuf;
 use deno_core::error::AnyError;
 use deno_core::JsRuntime;

op_crates/fetch/lib.rs

@@ -1,7 +1,5 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 
-#![deny(warnings)]
-
 use deno_core::error::bad_resource_id;
 use deno_core::error::generic_error;
 use deno_core::error::null_opbuf;

op_crates/webgpu/lib.rs

@@ -1,7 +1,5 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 
-#![deny(warnings)]
-
 use deno_core::error::AnyError;
 use deno_core::error::{bad_resource_id, not_supported};
 use deno_core::OpState;

runtime/lib.rs

@@ -1,7 +1,5 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 
-#![deny(warnings)]
-
 pub use deno_console;
 pub use deno_crypto;
 pub use deno_fetch;