diff --git a/actix-codec/src/lib.rs b/actix-codec/src/lib.rs
index dec30ba6..c7713bfe 100644
--- a/actix-codec/src/lib.rs
+++ b/actix-codec/src/lib.rs
@@ -7,7 +7,7 @@
 //! [`Sink`]: futures_sink::Sink
 //! [`Stream`]: futures_core::Stream
 
-#![deny(rust_2018_idioms, nonstandard_style)]
+#![deny(rust_2018_idioms, nonstandard_style, future_incompatible)]
 #![warn(missing_docs)]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
 #![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
diff --git a/actix-router/src/resource.rs b/actix-router/src/resource.rs
index 98b4a709..32162c53 100644
--- a/actix-router/src/resource.rs
+++ b/actix-router/src/resource.rs
@@ -581,10 +581,7 @@ impl ResourceDef {
         mut for_prefix: bool,
     ) -> (String, Vec<PatternElement>, bool, usize) {
         if pattern.find('{').is_none() {
-            // TODO: MSRV: 1.45
-            #[allow(clippy::manual_strip)]
-            return if pattern.ends_with('*') {
-                let path = &pattern[..pattern.len() - 1];
+            return if let Some(path) = pattern.strip_suffix('*') {
                 let re = String::from("^") + path + "(.*)";
                 (re, vec![PatternElement::Str(String::from(path))], true, 0)
             } else {
diff --git a/actix-service/src/lib.rs b/actix-service/src/lib.rs
index 8f839121..e26d5c62 100644
--- a/actix-service/src/lib.rs
+++ b/actix-service/src/lib.rs
@@ -1,7 +1,7 @@
 //! See [`Service`] docs for information on this crate's foundational trait.
 
 #![no_std]
-#![deny(rust_2018_idioms, nonstandard_style)]
+#![deny(rust_2018_idioms, nonstandard_style, future_incompatible)]
 #![warn(missing_docs)]
 #![allow(clippy::type_complexity)]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
diff --git a/actix-tls/src/connect/resolve.rs b/actix-tls/src/connect/resolve.rs
index 32e442bf..0a92b9b1 100755
--- a/actix-tls/src/connect/resolve.rs
+++ b/actix-tls/src/connect/resolve.rs
@@ -56,7 +56,7 @@ pub enum Resolver {
 /// An interface for custom async DNS resolvers.
 ///
 /// # Usage
-/// ```rust
+/// ```
 /// use std::net::SocketAddr;
 ///
 /// use actix_tls::connect::{Resolve, Resolver};