chore(rust): use lint table (#75)

Cargo.toml

@@ -13,6 +13,17 @@ readme = "README.md"
 
 include = ["/src/**/*.rs", "/*.toml", "/LICENSE", "/README.md"]
 
+[lints.rust]
+unsafe_code  = "warn"
+missing_docs = "warn"
+
+[lints.clippy]
+dbg_macro     = "warn"
+todo          = "warn"
+unimplemented = "warn"
+print_stdout  = "warn"
+print_stderr  = "warn"
+
 [[bench]]
 name    = "bench"
 harness = false

src/lib.rs

@@ -1,8 +1,5 @@
 //! Rusty [`webpack-sources`](https://github.com/webpack/webpack-sources) port.
 
-#![warn(unsafe_code)]
-#![deny(missing_docs)]
-
 mod cached_source;
 mod concat_source;
 mod error;