diff --git a/fix/src/codegen.rs b/fix/src/codegen.rs
index 7068017..c4876d9 100644
--- a/fix/src/codegen.rs
+++ b/fix/src/codegen.rs
@@ -430,10 +430,7 @@ impl<'a, Ctx: BytecodeContext> BytecodeEmitter<'a, Ctx> {
             .enumerate()
             .map(|(i, &id)| (id, thunk_base + i as u32))
             .collect();
-        self.scope_stack.push(ScopeInfo {
-            depth,
-            thunk_map,
-        });
+        self.scope_stack.push(ScopeInfo { depth, thunk_map });
     }
 
     fn pop_scope(&mut self) {
@@ -577,10 +574,7 @@ impl<'a, Ctx: BytecodeContext> BytecodeEmitter<'a, Ctx> {
                 self.emit_u32(span_id);
             }
             &Ir::Arg { layer } => {
-                self.emit_load(
-                    layer.try_into().expect("scope too deep!"),
-                    0,
-                );
+                self.emit_load(layer.try_into().expect("scope too deep!"), 0);
             }
             &Ir::TopLevel { body, ref thunks } => {
                 self.emit_toplevel_inner(body, thunks);
diff --git a/fix/src/disassembler.rs b/fix/src/disassembler.rs
index 415ddcd..48d2658 100644
--- a/fix/src/disassembler.rs
+++ b/fix/src/disassembler.rs
@@ -140,15 +140,23 @@ impl<'a, Ctx: DisassemblerContext> Disassembler<'a, Ctx> {
                     temp
                 };
 
-                let extra_width = if start_pos > 0 { start_pos.ilog2() >> 4 } else { 0 };
+                let extra_width = if start_pos > 0 {
+                    start_pos.ilog2() >> 4
+                } else {
+                    0
+                };
 
                 if color {
                     let _ = write!(out, "    ");
-                    for _ in 0..extra_width { let _ = write!(out, " "); }
+                    for _ in 0..extra_width {
+                        let _ = write!(out, " ");
+                    }
                     let _ = writeln!(out, "  {:<14} |", bytes_str.green());
                 } else {
                     let _ = write!(out, "    ");
-                    for _ in 0..extra_width { let _ = write!(out, " "); }
+                    for _ in 0..extra_width {
+                        let _ = write!(out, " ");
+                    }
                     let _ = writeln!(out, "  {:<14} |", bytes_str);
                 }
             }
diff --git a/fix/src/downgrade.rs b/fix/src/downgrade.rs
index c2283c7..a7b04af 100644
--- a/fix/src/downgrade.rs
+++ b/fix/src/downgrade.rs
@@ -394,8 +394,7 @@ impl<'id: 'ir, 'ir, Ctx: DowngradeContext<'id, 'ir>> Downgrade<'id, 'ir, Ctx> fo
                     let param_sym = ctx.new_sym(id.to_string());
                     param = None;
 
-                    body = ctx
-                        .with_param_scope(param_sym, |ctx| body_ast.downgrade(ctx))?;
+                    body = ctx.with_param_scope(param_sym, |ctx| body_ast.downgrade(ctx))?;
                 }
                 ast::Param::Pattern(pattern) => {
                     let alias = pattern
@@ -992,7 +991,7 @@ where
         }
     }
 
-    let arg= ctx.new_expr(Ir::Arg { layer: 0 });
+    let arg = ctx.new_expr(Ir::Arg { layer: 0 });
     ctx.with_let_scope(&keys, |ctx| {
         let vals = params
             .into_iter()
diff --git a/fix/src/ir.rs b/fix/src/ir.rs
index 70d1906..74dea37 100644
--- a/fix/src/ir.rs
+++ b/fix/src/ir.rs
@@ -128,7 +128,9 @@ pub enum Ir<'ir, Ref> {
         param: Option<Param<'ir>>,
         thunks: Vec<'ir, (ThunkId, Ref)>,
     },
-    Arg { layer: usize },
+    Arg {
+        layer: usize,
+    },
     Call {
         func: Ref,
         arg: Ref,
diff --git a/fix/src/runtime/vm.rs b/fix/src/runtime/vm.rs
index eb01ee7..5e533b2 100644
--- a/fix/src/runtime/vm.rs
+++ b/fix/src/runtime/vm.rs
@@ -94,6 +94,7 @@ impl<'gc> GcRoot<'gc> {
     }
 
     #[inline(always)]
+    #[track_caller]
     pub(super) fn pop_stack_forced(&mut self) -> StrictValue<'gc> {
         self.stack
             .pop()
@@ -1282,7 +1283,10 @@ impl Runtime {
 
         let (is_list, is_attrs) = self.arena.mutate_root(|_, root| {
             let tos = *root.stack.tos().expect("stack underflow");
-            (tos.as_gc::<List<'_>>().is_some(), tos.as_gc::<AttrSet<'_>>().is_some())
+            (
+                tos.as_gc::<List<'_>>().is_some(),
+                tos.as_gc::<AttrSet<'_>>().is_some(),
+            )
         });
 
         if is_list {
@@ -1303,7 +1307,8 @@ impl Runtime {
                 });
 
                 if let err @ Action::Done(Err(_)) = self.force_tos() {
-                    self.arena.mutate_root(|_, root| root.temp_stack.truncate(eval_base - len));
+                    self.arena
+                        .mutate_root(|_, root| root.temp_stack.truncate(eval_base - len));
                     return err;
                 }
 
@@ -1314,14 +1319,16 @@ impl Runtime {
             }
 
             self.arena.mutate_root(|mc, root| {
-                let items: SmallVec<[Value; 4]> = root.temp_stack[eval_base - len..eval_base].iter().copied().collect();
+                let items: SmallVec<[Value; 4]> = root.temp_stack[eval_base - len..eval_base]
+                    .iter()
+                    .copied()
+                    .collect();
                 root.temp_stack.truncate(eval_base - len);
-                
+
                 // Reconstruct List
                 let new_list = Gc::new(mc, List { inner: items });
                 root.push_stack(Value::new_gc(new_list));
             });
-            
         } else if is_attrs {
             let len = self.arena.mutate_root(|_, root| {
                 let attrs = root.pop_stack().as_gc::<AttrSet<'_>>().unwrap();
@@ -1341,7 +1348,8 @@ impl Runtime {
                 });
 
                 if let err @ Action::Done(Err(_)) = self.force_tos() {
-                    self.arena.mutate_root(|_, root| root.temp_stack.truncate(eval_base - len * 2));
+                    self.arena
+                        .mutate_root(|_, root| root.temp_stack.truncate(eval_base - len * 2));
                     return err;
                 }
 
@@ -1362,7 +1370,7 @@ impl Runtime {
                 }
                 kv.sort_by_key(|(k, _)| *k);
                 root.temp_stack.truncate(eval_base - len * 2);
-                
+
                 let new_attrs = Gc::new(mc, unsafe { AttrSet::from_sorted_unchecked(kv) });
                 root.push_stack(Value::new_gc(new_attrs));
             });
@@ -1378,7 +1386,10 @@ impl Runtime {
 
         let (is_list, is_attrs) = self.arena.mutate_root(|_, root| {
             let tos = *root.stack.tos().expect("stack underflow");
-            (tos.as_gc::<List<'_>>().is_some(), tos.as_gc::<AttrSet<'_>>().is_some())
+            (
+                tos.as_gc::<List<'_>>().is_some(),
+                tos.as_gc::<AttrSet<'_>>().is_some(),
+            )
         });
 
         if is_list {
@@ -1399,7 +1410,8 @@ impl Runtime {
                 });
 
                 if let err @ Action::Done(Err(_)) = self.force_tos_deep() {
-                    self.arena.mutate_root(|_, root| root.temp_stack.truncate(eval_base - len));
+                    self.arena
+                        .mutate_root(|_, root| root.temp_stack.truncate(eval_base - len));
                     return err;
                 }
 
@@ -1410,12 +1422,14 @@ impl Runtime {
             }
 
             self.arena.mutate_root(|mc, root| {
-                let items: SmallVec<[Value; 4]> = root.temp_stack[eval_base - len..eval_base].iter().copied().collect();
+                let items: SmallVec<[Value; 4]> = root.temp_stack[eval_base - len..eval_base]
+                    .iter()
+                    .copied()
+                    .collect();
                 root.temp_stack.truncate(eval_base - len);
                 let new_list = Gc::new(mc, List { inner: items });
                 root.push_stack(Value::new_gc(new_list));
             });
-            
         } else if is_attrs {
             let len = self.arena.mutate_root(|_, root| {
                 let attrs = root.pop_stack().as_gc::<AttrSet<'_>>().unwrap();
@@ -1435,7 +1449,8 @@ impl Runtime {
                 });
 
                 if let err @ Action::Done(Err(_)) = self.force_tos_deep() {
-                    self.arena.mutate_root(|_, root| root.temp_stack.truncate(eval_base - len * 2));
+                    self.arena
+                        .mutate_root(|_, root| root.temp_stack.truncate(eval_base - len * 2));
                     return err;
                 }
 
diff --git a/fix/tests/tests/lang.rs b/fix/tests/tests/lang.rs
index fd86e00..3d8bb97 100644
--- a/fix/tests/tests/lang.rs
+++ b/fix/tests/tests/lang.rs
@@ -89,230 +89,238 @@ macro_rules! eval_fail_test {
     };
 }
 
-eval_okay_test!(any_all);
-eval_okay_test!(arithmetic);
-eval_okay_test!(attrnames);
-eval_okay_test!(attrs);
-eval_okay_test!(attrs2);
-eval_okay_test!(attrs3);
-eval_okay_test!(attrs4);
-eval_okay_test!(attrs5);
-eval_okay_test!(
-    #[ignore = "__overrides is not supported"]
-    attrs6
-);
-eval_okay_test!(
-    #[ignore = "requires --arg/--argstr CLI flags"]
-    autoargs
-);
-eval_okay_test!(backslash_newline_1);
-eval_okay_test!(backslash_newline_2);
-eval_okay_test!(baseNameOf);
-eval_okay_test!(builtins);
-eval_okay_test!(builtins_add);
-eval_okay_test!(callable_attrs);
-eval_okay_test!(catattrs);
-eval_okay_test!(closure);
-eval_okay_test!(comments);
-eval_okay_test!(concat);
-eval_okay_test!(concatmap);
-eval_okay_test!(concatstringssep);
-eval_okay_test!(context);
-eval_okay_test!(context_introspection);
-eval_okay_test!(convertHash);
-eval_okay_test!(curpos);
-eval_okay_test!(deepseq);
-eval_okay_test!(delayed_with);
-eval_okay_test!(delayed_with_inherit);
-eval_okay_test!(deprecate_cursed_or);
-eval_okay_test!(derivation_legacy);
-eval_okay_test!(dynamic_attrs);
-eval_okay_test!(dynamic_attrs_2);
-eval_okay_test!(dynamic_attrs_bare);
-eval_okay_test!(elem);
-eval_okay_test!(empty_args);
-eval_okay_test!(eq);
-eval_okay_test!(eq_derivations);
-eval_okay_test!(filter);
-eval_okay_test!(
-    #[ignore = "not implemented: flakeRefToString"]
-    flake_ref_to_string
-);
-eval_okay_test!(flatten);
-eval_okay_test!(float);
-eval_okay_test!(floor_ceil);
-eval_okay_test!(foldlStrict);
-eval_okay_test!(foldlStrict_lazy_elements);
-eval_okay_test!(foldlStrict_lazy_initial_accumulator);
-eval_okay_test!(fromjson);
-eval_okay_test!(fromjson_escapes);
-eval_okay_test!(fromTOML);
-eval_okay_test!(
-    #[ignore = "timestamps are not supported"]
-    fromTOML_timestamps
-);
-eval_okay_test!(functionargs);
-eval_okay_test!(hashfile);
-eval_okay_test!(hashstring);
-eval_okay_test!(getattrpos);
-eval_okay_test!(getattrpos_functionargs);
-eval_okay_test!(getattrpos_undefined);
-eval_okay_test!(getenv, || {
-    unsafe { std::env::set_var("TEST_VAR", "foo") };
-});
-eval_okay_test!(groupBy);
-eval_okay_test!(r#if);
-eval_okay_test!(ind_string);
-eval_okay_test!(import);
-eval_okay_test!(inherit_attr_pos);
-eval_okay_test!(
-    #[ignore = "__overrides is not supported"]
-    inherit_from
-);
-eval_okay_test!(intersectAttrs);
-eval_okay_test!(r#let);
-eval_okay_test!(list);
-eval_okay_test!(listtoattrs);
-eval_okay_test!(logic);
-eval_okay_test!(map);
-eval_okay_test!(mapattrs);
-eval_okay_test!(merge_dynamic_attrs);
-eval_okay_test!(nested_with);
-eval_okay_test!(new_let);
-eval_okay_test!(null_dynamic_attrs);
-eval_okay_test!(
-    #[ignore = "__overrides is not supported"]
-    overrides
-);
-eval_okay_test!(
-    #[ignore = "not implemented: parseFlakeRef"]
-    parse_flake_ref
-);
-eval_okay_test!(partition);
-eval_okay_test!(path);
-eval_okay_test!(pathexists);
-eval_okay_test!(path_string_interpolation, || {
-    unsafe {
-        std::env::set_var("HOME", "/fake-home");
-    }
-});
-eval_okay_test!(patterns);
-eval_okay_test!(print);
-eval_okay_test!(readDir);
-eval_okay_test!(readfile);
-eval_okay_test!(readFileType);
-eval_okay_test!(redefine_builtin);
-eval_okay_test!(regex_match);
-eval_okay_test!(regex_split);
-eval_okay_test!(regression_20220122);
-eval_okay_test!(regression_20220125);
-eval_okay_test!(regrettable_rec_attrset_merge);
-eval_okay_test!(remove);
-eval_okay_test!(repeated_empty_attrs);
-eval_okay_test!(repeated_empty_list);
-eval_okay_test!(replacestrings);
-eval_okay_test!(
-    #[ignore = "requires -I CLI flags"]
-    search_path
-);
-eval_okay_test!(scope_1);
-eval_okay_test!(scope_2);
-eval_okay_test!(scope_3);
-eval_okay_test!(scope_4);
-eval_okay_test!(scope_6);
-eval_okay_test!(scope_7);
-eval_okay_test!(seq);
-eval_okay_test!(sort);
-eval_okay_test!(splitversion);
-eval_okay_test!(string);
-eval_okay_test!(strings_as_attrs_names);
-eval_okay_test!(substring);
-eval_okay_test!(substring_context);
-eval_okay_test!(symlink_resolution);
-eval_okay_test!(
-    #[ignore = "TCO not implemented, also disabled in CppNix"]
-    tail_call_1
-);
-eval_okay_test!(tojson);
-eval_okay_test!(toxml);
-eval_okay_test!(toxml2);
-eval_okay_test!(tryeval);
-eval_okay_test!(types);
-eval_okay_test!(versions);
-eval_okay_test!(with);
-eval_okay_test!(zipAttrsWith);
+mod okay {
+    use super::*;
 
-eval_fail_test!(fail_abort);
-eval_fail_test!(fail_addDrvOutputDependencies_empty_context);
-eval_fail_test!(fail_addDrvOutputDependencies_multi_elem_context);
-eval_fail_test!(fail_addDrvOutputDependencies_wrong_element_kind);
-eval_fail_test!(fail_addErrorRuntime_example);
-eval_fail_test!(fail_assert);
-eval_fail_test!(fail_assert_equal_attrs_names);
-eval_fail_test!(fail_assert_equal_attrs_names_2);
-eval_fail_test!(fail_assert_equal_derivations);
-eval_fail_test!(fail_assert_equal_derivations_extra);
-eval_fail_test!(fail_assert_equal_floats);
-eval_fail_test!(fail_assert_equal_function_direct);
-eval_fail_test!(fail_assert_equal_int_float);
-eval_fail_test!(fail_assert_equal_ints);
-eval_fail_test!(fail_assert_equal_list_length);
-eval_fail_test!(fail_assert_equal_paths);
-eval_fail_test!(fail_assert_equal_type);
-eval_fail_test!(fail_assert_equal_type_nested);
-eval_fail_test!(fail_assert_nested_bool);
-eval_fail_test!(fail_attr_name_type);
-eval_fail_test!(fail_attrset_merge_drops_later_rec);
-eval_fail_test!(fail_bad_string_interpolation_1);
-eval_fail_test!(fail_bad_string_interpolation_2);
-eval_fail_test!(fail_bad_string_interpolation_3);
-eval_fail_test!(fail_bad_string_interpolation_4);
-eval_fail_test!(fail_blackhole);
-eval_fail_test!(fail_call_primop);
-eval_fail_test!(fail_deepseq);
-eval_fail_test!(fail_derivation_name);
-eval_fail_test!(fail_dup_dynamic_attrs);
-eval_fail_test!(fail_duplicate_traces);
-eval_fail_test!(fail_eol_1);
-eval_fail_test!(fail_eol_2);
-eval_fail_test!(fail_eol_3);
-eval_fail_test!(fail_fetchTree_negative);
-eval_fail_test!(fail_fetchurl_baseName);
-eval_fail_test!(fail_fetchurl_baseName_attrs);
-eval_fail_test!(fail_fetchurl_baseName_attrs_name);
-eval_fail_test!(fail_flake_ref_to_string_negative_integer);
-eval_fail_test!(fail_foldlStrict_strict_op_application);
-eval_fail_test!(fail_fromJSON_keyWithNullByte);
-eval_fail_test!(fail_fromJSON_overflowing);
-eval_fail_test!(fail_fromJSON_valueWithNullByte);
-eval_fail_test!(fail_fromTOML_keyWithNullByte);
-eval_fail_test!(fail_fromTOML_timestamps);
-eval_fail_test!(fail_fromTOML_valueWithNullByte);
-eval_fail_test!(fail_hashfile_missing);
-eval_fail_test!(fail_infinite_recursion_lambda);
-eval_fail_test!(fail_list);
-eval_fail_test!(fail_missing_arg);
-eval_fail_test!(fail_mutual_recursion);
-eval_fail_test!(fail_nested_list_items);
-eval_fail_test!(fail_nonexist_path);
-eval_fail_test!(fail_not_throws);
-eval_fail_test!(fail_overflowing_add);
-eval_fail_test!(fail_overflowing_div);
-eval_fail_test!(fail_overflowing_mul);
-eval_fail_test!(fail_overflowing_sub);
-eval_fail_test!(fail_path_slash);
-eval_fail_test!(fail_pipe_operators);
-eval_fail_test!(fail_recursion);
-eval_fail_test!(fail_remove);
-eval_fail_test!(fail_scope_5);
-eval_fail_test!(fail_seq);
-eval_fail_test!(fail_set);
-eval_fail_test!(fail_set_override);
-eval_fail_test!(fail_string_nul_1);
-eval_fail_test!(fail_string_nul_2);
-eval_fail_test!(fail_substring);
-eval_fail_test!(fail_toJSON);
-eval_fail_test!(fail_toJSON_non_utf_8);
-eval_fail_test!(fail_to_path);
-eval_fail_test!(fail_undeclared_arg);
-eval_fail_test!(fail_using_set_as_attr_name);
+    eval_okay_test!(any_all);
+    eval_okay_test!(arithmetic);
+    eval_okay_test!(attrnames);
+    eval_okay_test!(attrs);
+    eval_okay_test!(attrs2);
+    eval_okay_test!(attrs3);
+    eval_okay_test!(attrs4);
+    eval_okay_test!(attrs5);
+    eval_okay_test!(
+        #[ignore = "__overrides is not supported"]
+        attrs6
+    );
+    eval_okay_test!(
+        #[ignore = "requires --arg/--argstr CLI flags"]
+        autoargs
+    );
+    eval_okay_test!(backslash_newline_1);
+    eval_okay_test!(backslash_newline_2);
+    eval_okay_test!(baseNameOf);
+    eval_okay_test!(builtins);
+    eval_okay_test!(builtins_add);
+    eval_okay_test!(callable_attrs);
+    eval_okay_test!(catattrs);
+    eval_okay_test!(closure);
+    eval_okay_test!(comments);
+    eval_okay_test!(concat);
+    eval_okay_test!(concatmap);
+    eval_okay_test!(concatstringssep);
+    eval_okay_test!(context);
+    eval_okay_test!(context_introspection);
+    eval_okay_test!(convertHash);
+    eval_okay_test!(curpos);
+    eval_okay_test!(deepseq);
+    eval_okay_test!(delayed_with);
+    eval_okay_test!(delayed_with_inherit);
+    eval_okay_test!(deprecate_cursed_or);
+    eval_okay_test!(derivation_legacy);
+    eval_okay_test!(dynamic_attrs);
+    eval_okay_test!(dynamic_attrs_2);
+    eval_okay_test!(dynamic_attrs_bare);
+    eval_okay_test!(elem);
+    eval_okay_test!(empty_args);
+    eval_okay_test!(eq);
+    eval_okay_test!(eq_derivations);
+    eval_okay_test!(filter);
+    eval_okay_test!(
+        #[ignore = "not implemented: flakeRefToString"]
+        flake_ref_to_string
+    );
+    eval_okay_test!(flatten);
+    eval_okay_test!(float);
+    eval_okay_test!(floor_ceil);
+    eval_okay_test!(foldlStrict);
+    eval_okay_test!(foldlStrict_lazy_elements);
+    eval_okay_test!(foldlStrict_lazy_initial_accumulator);
+    eval_okay_test!(fromjson);
+    eval_okay_test!(fromjson_escapes);
+    eval_okay_test!(fromTOML);
+    eval_okay_test!(
+        #[ignore = "timestamps are not supported"]
+        fromTOML_timestamps
+    );
+    eval_okay_test!(functionargs);
+    eval_okay_test!(hashfile);
+    eval_okay_test!(hashstring);
+    eval_okay_test!(getattrpos);
+    eval_okay_test!(getattrpos_functionargs);
+    eval_okay_test!(getattrpos_undefined);
+    eval_okay_test!(getenv, || {
+        unsafe { std::env::set_var("TEST_VAR", "foo") };
+    });
+    eval_okay_test!(groupBy);
+    eval_okay_test!(r#if);
+    eval_okay_test!(ind_string);
+    eval_okay_test!(import);
+    eval_okay_test!(inherit_attr_pos);
+    eval_okay_test!(
+        #[ignore = "__overrides is not supported"]
+        inherit_from
+    );
+    eval_okay_test!(intersectAttrs);
+    eval_okay_test!(r#let);
+    eval_okay_test!(list);
+    eval_okay_test!(listtoattrs);
+    eval_okay_test!(logic);
+    eval_okay_test!(map);
+    eval_okay_test!(mapattrs);
+    eval_okay_test!(merge_dynamic_attrs);
+    eval_okay_test!(nested_with);
+    eval_okay_test!(new_let);
+    eval_okay_test!(null_dynamic_attrs);
+    eval_okay_test!(
+        #[ignore = "__overrides is not supported"]
+        overrides
+    );
+    eval_okay_test!(
+        #[ignore = "not implemented: parseFlakeRef"]
+        parse_flake_ref
+    );
+    eval_okay_test!(partition);
+    eval_okay_test!(path);
+    eval_okay_test!(pathexists);
+    eval_okay_test!(path_string_interpolation, || {
+        unsafe {
+            std::env::set_var("HOME", "/fake-home");
+        }
+    });
+    eval_okay_test!(patterns);
+    eval_okay_test!(print);
+    eval_okay_test!(readDir);
+    eval_okay_test!(readfile);
+    eval_okay_test!(readFileType);
+    eval_okay_test!(redefine_builtin);
+    eval_okay_test!(regex_match);
+    eval_okay_test!(regex_split);
+    eval_okay_test!(regression_20220122);
+    eval_okay_test!(regression_20220125);
+    eval_okay_test!(regrettable_rec_attrset_merge);
+    eval_okay_test!(remove);
+    eval_okay_test!(repeated_empty_attrs);
+    eval_okay_test!(repeated_empty_list);
+    eval_okay_test!(replacestrings);
+    eval_okay_test!(
+        #[ignore = "requires -I CLI flags"]
+        search_path
+    );
+    eval_okay_test!(scope_1);
+    eval_okay_test!(scope_2);
+    eval_okay_test!(scope_3);
+    eval_okay_test!(scope_4);
+    eval_okay_test!(scope_6);
+    eval_okay_test!(scope_7);
+    eval_okay_test!(seq);
+    eval_okay_test!(sort);
+    eval_okay_test!(splitversion);
+    eval_okay_test!(string);
+    eval_okay_test!(strings_as_attrs_names);
+    eval_okay_test!(substring);
+    eval_okay_test!(substring_context);
+    eval_okay_test!(symlink_resolution);
+    eval_okay_test!(
+        #[ignore = "TCO not implemented, also disabled in CppNix"]
+        tail_call_1
+    );
+    eval_okay_test!(tojson);
+    eval_okay_test!(toxml);
+    eval_okay_test!(toxml2);
+    eval_okay_test!(tryeval);
+    eval_okay_test!(types);
+    eval_okay_test!(versions);
+    eval_okay_test!(with);
+    eval_okay_test!(zipAttrsWith);
+}
+
+mod fail {
+    use super::*;
+
+    eval_fail_test!(abort);
+    eval_fail_test!(addDrvOutputDependencies_empty_context);
+    eval_fail_test!(addDrvOutputDependencies_multi_elem_context);
+    eval_fail_test!(addDrvOutputDependencies_wrong_element_kind);
+    eval_fail_test!(addErrorRuntime_example);
+    eval_fail_test!(assert);
+    eval_fail_test!(assert_equal_attrs_names);
+    eval_fail_test!(assert_equal_attrs_names_2);
+    eval_fail_test!(assert_equal_derivations);
+    eval_fail_test!(assert_equal_derivations_extra);
+    eval_fail_test!(assert_equal_floats);
+    eval_fail_test!(assert_equal_function_direct);
+    eval_fail_test!(assert_equal_int_float);
+    eval_fail_test!(assert_equal_ints);
+    eval_fail_test!(assert_equal_list_length);
+    eval_fail_test!(assert_equal_paths);
+    eval_fail_test!(assert_equal_type);
+    eval_fail_test!(assert_equal_type_nested);
+    eval_fail_test!(assert_nested_bool);
+    eval_fail_test!(attr_name_type);
+    eval_fail_test!(attrset_merge_drops_later_rec);
+    eval_fail_test!(bad_string_interpolation_1);
+    eval_fail_test!(bad_string_interpolation_2);
+    eval_fail_test!(bad_string_interpolation_3);
+    eval_fail_test!(bad_string_interpolation_4);
+    eval_fail_test!(blackhole);
+    eval_fail_test!(call_primop);
+    eval_fail_test!(deepseq);
+    eval_fail_test!(derivation_name);
+    eval_fail_test!(dup_dynamic_attrs);
+    eval_fail_test!(duplicate_traces);
+    eval_fail_test!(eol_1);
+    eval_fail_test!(eol_2);
+    eval_fail_test!(eol_3);
+    eval_fail_test!(fetchTree_negative);
+    eval_fail_test!(fetchurl_baseName);
+    eval_fail_test!(fetchurl_baseName_attrs);
+    eval_fail_test!(fetchurl_baseName_attrs_name);
+    eval_fail_test!(flake_ref_to_string_negative_integer);
+    eval_fail_test!(foldlStrict_strict_op_application);
+    eval_fail_test!(fromJSON_keyWithNullByte);
+    eval_fail_test!(fromJSON_overflowing);
+    eval_fail_test!(fromJSON_valueWithNullByte);
+    eval_fail_test!(fromTOML_keyWithNullByte);
+    eval_fail_test!(fromTOML_timestamps);
+    eval_fail_test!(fromTOML_valueWithNullByte);
+    eval_fail_test!(hashfile_missing);
+    eval_fail_test!(infinite_recursion_lambda);
+    eval_fail_test!(list);
+    eval_fail_test!(missing_arg);
+    eval_fail_test!(mutual_recursion);
+    eval_fail_test!(nested_list_items);
+    eval_fail_test!(nonexist_path);
+    eval_fail_test!(not_throws);
+    eval_fail_test!(overflowing_add);
+    eval_fail_test!(overflowing_div);
+    eval_fail_test!(overflowing_mul);
+    eval_fail_test!(overflowing_sub);
+    eval_fail_test!(path_slash);
+    eval_fail_test!(pipe_operators);
+    eval_fail_test!(recursion);
+    eval_fail_test!(remove);
+    eval_fail_test!(scope_5);
+    eval_fail_test!(seq);
+    eval_fail_test!(set);
+    eval_fail_test!(set_override);
+    eval_fail_test!(string_nul_1);
+    eval_fail_test!(string_nul_2);
+    eval_fail_test!(substring);
+    eval_fail_test!(toJSON);
+    eval_fail_test!(toJSON_non_utf_8);
+    eval_fail_test!(to_path);
+    eval_fail_test!(undeclared_arg);
+    eval_fail_test!(using_set_as_attr_name);
+}