diff --git a/Cargo.toml b/Cargo.toml
index 48a96be..1d9dc8b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,10 +13,12 @@ lto = false
 [profile.release]
 opt-level = 3
 lto = true
-
-[env]
-RUSTFLAGS = "-D warnings -W absolute-paths-not-starting-with-crate -W box_pointers -W dead_code -W elided-lifetimes-in-paths -W explicit-outlives-requirements -W ffi-unwind-calls -W keyword-idents -W let-underscore-drop -W macro-use-extern-crate -W meta-variable-misuse -W missing-abi -W missing-copy-implementations -W missing-debug-implementations -W missing-docs -W non_ascii_idents -W noop_method_call -W pointer_structural_match -W rust_2021_incompatible_closure_captures -W rust_2021_incompatible_or_patterns -W rust_2021_prefixes_incompatible_syntax -W rust_2021_prelude_collisions -W single_use_lifetimes -W trivial_casts -W trivial_numeric_casts -W unreachable_pub -W unsafe_code -W unsafe_op_in_unsafe_fn -W unstable_features -W unused_crate_dependencies -W unused_extern_crates -W unused_import_braces -W unused_lifetimes -W unused_macro_rules -W unused_qualifications -W unused_results -W variant_size_differences"
+codegen-units = 1
+panic = "unwind"
 
 [lints.clippy]
 all = "deny"
 
+[env]
+RUSTFLAGS = "-D warnings -W absolute-paths-not-starting-with-crate -W box_pointers -W dead_code -W elided-lifetimes-in-paths -W explicit-outlives-requirements -W ffi-unwind-calls -W keyword-idents -W let-underscore-drop -W macro-use-extern-crate -W meta-variable-misuse -W missing-abi -W missing-copy-implementations -W missing-debug-implementations -W missing-docs -W non_ascii_idents -W noop_method_call -W pointer_structural_match -W rust_2021_incompatible_closure_captures -W rust_2021_incompatible_or_patterns -W rust_2021_prefixes_incompatible_syntax -W rust_2021_prelude_collisions -W single_use_lifetimes -W trivial_casts -W trivial_numeric_casts -W unreachable_pub -W unsafe_code -W unsafe_op_in_unsafe_fn -W unstable_features -W unused_crate_dependencies -W unused_extern_crates -W unused_import_braces -W unused_lifetimes -W unused_macro_rules -W unused_qualifications -W unused_results -W variant_size_differences"
+