style: enable clippy::(dbg_macro|todo) across the workspace

Author: rami3l

Cargo.toml

@@ -164,6 +164,11 @@ walkdir = "2"
 [workspace.lints.rust]
 rust_2018_idioms = "deny"
 
+[workspace.lints.clippy]
+# `dbg!()` and `todo!()` clearly shouldn't make it to production:
+dbg_macro = "warn"
+todo = "warn"
+
 [lib]
 name = "rustup"
 path = "src/lib.rs"

src/test/mock/clitools.rs

@@ -668,8 +668,11 @@ impl Config {
             println!("expected.ok: true");
             print_indented("expected.stdout", stdout);
             print_indented("expected.stderr", stderr);
-            dbg!(out.stdout == stdout);
-            dbg!(out.stderr == stderr);
+            #[allow(clippy::dbg_macro)]
+            {
+                dbg!(out.stdout == stdout);
+                dbg!(out.stderr == stderr);
+            }
             panic!();
         }
     }