time: mark Sleep as !Unpin in docs (#5916)

Author: matheus-consoli

tokio-stream/Cargo.toml

@@ -37,7 +37,7 @@ signal = ["tokio/signal"]
 
 [dependencies]
 futures-core = { version = "0.3.0" }
-pin-project-lite = "0.2.7"
+pin-project-lite = "0.2.11"
 tokio = { version = "1.15.0", path = "../tokio", features = ["sync"] }
 tokio-util = { version = "0.7.0", path = "../tokio-util", optional = true }
 

tokio-util/Cargo.toml

@@ -40,7 +40,7 @@ futures-core = "0.3.0"
 futures-sink = "0.3.0"
 futures-io = { version = "0.3.0", optional = true }
 futures-util = { version = "0.3.0", optional = true }
-pin-project-lite = "0.2.7"
+pin-project-lite = "0.2.11"
 slab = { version = "0.4.4", optional = true } # Backs `DelayQueue`
 tracing = { version = "0.1.25", default-features = false, features = ["std"], optional = true }
 

tokio/Cargo.toml

@@ -96,7 +96,7 @@ stats = []
 [dependencies]
 tokio-macros = { version = "~2.1.0", path = "../tokio-macros", optional = true }
 
-pin-project-lite = "0.2.7"
+pin-project-lite = "0.2.11"
 
 # Everything else is optional...
 bytes = { version = "1.0.0", optional = true }

tokio/src/time/sleep.rs

@@ -220,6 +220,7 @@ pin_project! {
     /// [`select!`]: ../macro.select.html
     /// [`tokio::pin!`]: ../macro.pin.html
     // Alias for old name in 0.2
+    #[project(!Unpin)]
     #[cfg_attr(docsrs, doc(alias = "Delay"))]
     #[derive(Debug)]
     #[must_use = "futures do nothing unless you `.await` or poll them"]