diff --git a/Cargo.toml b/Cargo.toml
index 605f1be4..c9754bb9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,6 +41,7 @@ mod_module_files = "warn"
 multiple_inherent_impl = "warn"
 mutex_atomic = "warn"
 negative_feature_names = "warn"
+non_zero_suggestions = "warn"
 pub_without_shorthand = "warn"
 rc_buffer = "warn"
 rc_mutex = "warn"
@@ -64,6 +65,7 @@ unnecessary_safety_doc = "warn"
 unnecessary_self_imports = "warn"
 unneeded_field_pattern = "warn"
 unseparated_literal_suffix = "warn"
+unused_result_ok = "warn"
 verbose_file_reads = "warn"
 wildcard_dependencies = "warn"