Use clippy to disallow e/print/ln macros

anvil/src/main.rs

@@ -53,11 +53,14 @@ fn main() {
             tracing::error!("Unknown backend: {}", other);
         }
         None => {
-            println!("USAGE: anvil --backend");
-            println!();
-            println!("Possible backends are:");
-            for b in POSSIBLE_BACKENDS {
-                println!("\t{}", b);
+            #[allow(clippy::disallowed_macros)]
+            {
+                println!("USAGE: anvil --backend");
+                println!();
+                println!("Possible backends are:");
+                for b in POSSIBLE_BACKENDS {
+                    println!("\t{}", b);
+                }
             }
         }
     }

build.rs

@@ -1,3 +1,4 @@
+#![allow(clippy::disallowed_macros)]
 #[cfg(any(feature = "backend_egl", feature = "renderer_gl"))]
 fn gl_generate() {
     use gl_generator::{Api, Fallbacks, Profile, Registry};

clippy.toml

@@ -1,2 +1,9 @@
 msrv = "1.65.0"
 type-complexity-threshold = 400
+
+disallowed-macros = [
+    { path = "std::print", reason = "We use tracing for logging" },
+    { path = "std::println", reason = "We use tracing for logging" },
+    { path = "std::eprint", reason = "We use tracing for logging" },
+    { path = "std::eprintln", reason = "We use tracing for logging" },
+]