chore(ci): Reduce noisy lints

Author: epage

Cargo.toml

@@ -35,9 +35,6 @@ debug_assert_with_mut_call = "warn"
 doc_markdown = "warn"
 empty_enum = "warn"
 enum_glob_use = "warn"
-exhaustive_enums = "warn"
-exhaustive_structs = "warn"
-exit = "warn"
 expl_impl_clone_on_copy = "warn"
 explicit_deref_methods = "warn"
 explicit_into_iter_loop = "warn"
@@ -85,7 +82,6 @@ string_lit_as_bytes = "warn"
 string_to_string = "warn"
 todo = "warn"
 trait_duplication_in_bounds = "warn"
-unwrap_used = "warn"
 verbose_file_reads = "warn"
 wildcard_imports = "warn"
 zero_sized_map_values = "warn"