[INFO] updating cached repository https://github.com/mcr431/pel
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/mcr431/pel
[INFO] [stderr]    95b0879..7d2ed42  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d2ed4202e1d718bd0dda4de85aeb3ba427e858e
[INFO] checking mcr431/pel against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcr431%2Fpel" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcr431/pel on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mcr431/pel
[INFO] finished tweaking git repo https://github.com/mcr431/pel
[INFO] tweaked toml for git repo https://github.com/mcr431/pel written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mcr431/pel already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73ab341e146e1e3e17a7fac19ec209ccad07201bbabacffc6f1f68e529e4f394
[INFO] running `"docker" "start" "-a" "73ab341e146e1e3e17a7fac19ec209ccad07201bbabacffc6f1f68e529e4f394"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking regex-syntax v0.6.15
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking pel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> src/evaluator/evaluator.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::{prelude, interpreter::Interpreter};
[INFO] [stderr]   |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Address`, `ArrayInstance`
[INFO] [stderr]   --> src/evaluator/interpreter.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 9  |     Address,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 10 |     Array,
[INFO] [stderr] 11 |     ArrayInstance,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Kind`
[INFO] [stderr]  --> src/evaluator/kind_hash_resolver.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Kind,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Environment`, `Item`, `Value`
[INFO] [stderr]   --> src/evaluator/prelude.rs:5:5
[INFO] [stderr]    |
[INFO] [stderr] 5  |     Environment,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     Item,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     Value
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> src/evaluator/evaluator.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::{prelude, interpreter::Interpreter};
[INFO] [stderr]   |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Address`, `ArrayInstance`
[INFO] [stderr]   --> src/evaluator/interpreter.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 9  |     Address,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 10 |     Array,
[INFO] [stderr] 11 |     ArrayInstance,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Kind`
[INFO] [stderr]  --> src/evaluator/kind_hash_resolver.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Kind,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Environment`, `Item`, `Value`
[INFO] [stderr]   --> src/evaluator/prelude.rs:5:5
[INFO] [stderr]    |
[INFO] [stderr] 5  |     Environment,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     Item,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     Value
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/evaluator/evaluator.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |             _ => unimplemented!("oh no"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/evaluator/evaluator.rs:658:13
[INFO] [stderr]     |
[INFO] [stderr] 658 |             k => unimplemented!("unknown kind: {:?}", k),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/evaluator/interpreter.rs:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 r => unimplemented!("unknown reference type: {:?}", r),
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/evaluator/interpreter.rs:267:17
[INFO] [stderr]     |
[INFO] [stderr] 267 |                 v => unimplemented!("unrecognized value variant: {:?}", v)
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1126:13
[INFO] [stderr]      |
[INFO] [stderr] 1126 |             _ => unimplemented!("unknown value type in visit_field_access"),
[INFO] [stderr]      |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1147:25
[INFO] [stderr]      |
[INFO] [stderr] 1147 |                         _ => unimplemented!(),
[INFO] [stderr]      |                         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1154:13
[INFO] [stderr]      |
[INFO] [stderr] 1154 |             _ => unimplemented!("unknown value type in visit_field_access"),
[INFO] [stderr]      |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `char_lit`
[INFO] [stderr]    --> src/lexer/lexer.rs:343:21
[INFO] [stderr]     |
[INFO] [stderr] 343 |                 let char_lit = self.chomp_until(SINGLE_QUOTE);
[INFO] [stderr]     |                     ^^^^^^^^ help: consider prefixing with an underscore: `_char_lit`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/parser/parser.rs:548:21
[INFO] [stderr]     |
[INFO] [stderr] 548 |                 Err(e) => break
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/parser/parser.rs:566:21
[INFO] [stderr]     |
[INFO] [stderr] 566 |                 Err(e) => break
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/parser/parser.rs:648:31
[INFO] [stderr]     |
[INFO] [stderr] 648 |             Token::Identifier(id) => {
[INFO] [stderr]     |                               ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:107:80
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn create_function_invocation(function_invocation: FunctionInvocation, kind_table: &KindTable, heap: &mut Heap) -> Self {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:434:28
[INFO] [stderr]     |
[INFO] [stderr] 434 |     pub fn free(&mut self, addr: Address) {
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:664:25
[INFO] [stderr]     |
[INFO] [stderr] 664 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:664:49
[INFO] [stderr]     |
[INFO] [stderr] 664 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                                 ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:682:25
[INFO] [stderr]     |
[INFO] [stderr] 682 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:682:49
[INFO] [stderr]     |
[INFO] [stderr] 682 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                                 ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:700:25
[INFO] [stderr]     |
[INFO] [stderr] 700 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:700:49
[INFO] [stderr]     |
[INFO] [stderr] 700 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                                 ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:718:25
[INFO] [stderr]     |
[INFO] [stderr] 718 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:718:49
[INFO] [stderr]     |
[INFO] [stderr] 718 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                                 ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:877:25
[INFO] [stderr]     |
[INFO] [stderr] 877 |     fn kind_hash(&self, table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:877:44
[INFO] [stderr]     |
[INFO] [stderr] 877 |     fn kind_hash(&self, table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                            ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:982:15
[INFO] [stderr]     |
[INFO] [stderr] 982 |         for ((n1, kh1), (n2, kh2)) in self.type_arguments.iter().zip(other.type_arguments.iter()) {
[INFO] [stderr]     |               ^^ help: consider prefixing with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n2`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:982:26
[INFO] [stderr]     |
[INFO] [stderr] 982 |         for ((n1, kh1), (n2, kh2)) in self.type_arguments.iter().zip(other.type_arguments.iter()) {
[INFO] [stderr]     |                          ^^ help: consider prefixing with an underscore: `_n2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:988:15
[INFO] [stderr]     |
[INFO] [stderr] 988 |         for ((n1, ty_r1), (n2, ty_r2)) in self.parameters.iter().zip(other.parameters.iter()) {
[INFO] [stderr]     |               ^^ help: consider prefixing with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n2`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:988:28
[INFO] [stderr]     |
[INFO] [stderr] 988 |         for ((n1, ty_r1), (n2, ty_r2)) in self.parameters.iter().zip(other.parameters.iter()) {
[INFO] [stderr]     |                            ^^ help: consider prefixing with an underscore: `_n2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]     --> src/evaluator/evaluator.rs:1011:25
[INFO] [stderr]      |
[INFO] [stderr] 1011 |     fn kind_hash(&self, table: &KindTable, heap: &Heap) -> String {
[INFO] [stderr]      |                         ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]     --> src/evaluator/evaluator.rs:1011:44
[INFO] [stderr]      |
[INFO] [stderr] 1011 |     fn kind_hash(&self, table: &KindTable, heap: &Heap) -> String {
[INFO] [stderr]      |                                            ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hr`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:225:42
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 Reference::HeapReference(hr) => {
[INFO] [stderr]     |                                          ^^ help: consider prefixing with an underscore: `_hr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `module_chain`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:358:36
[INFO] [stderr]     |
[INFO] [stderr] 358 |     fn load_user_module(&mut self, module_chain: &Vec<String>) {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_module_chain`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func_val`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:771:25
[INFO] [stderr]     |
[INFO] [stderr] 771 |         for (impl_name, func_val) in implementing_functions_by_name.iter() {
[INFO] [stderr]     |                         ^^^^^^^^ help: consider prefixing with an underscore: `_func_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_decl`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:788:45
[INFO] [stderr]     |
[INFO] [stderr] 788 |     fn visit_variant_declaration(&mut self, variant_decl: &parse_tree::VariantDeclaration) {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:825:13
[INFO] [stderr]     |
[INFO] [stderr] 825 |         let name = &func_decl.signature.name;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typed_var_decl`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:911:52
[INFO] [stderr]     |
[INFO] [stderr] 911 |     fn visit_typed_variable_declaration(&mut self, typed_var_decl: &parse_tree::TypedVariableDeclaration) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_typed_var_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reference`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:956:13
[INFO] [stderr]     |
[INFO] [stderr] 956 |         let reference = self.store_at(&var_assignment.target, value);
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_reference`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scalar_ty`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1005:25
[INFO] [stderr]      |
[INFO] [stderr] 1005 |                     let scalar_ty = scalar.get_ty();
[INFO] [stderr]      |                         ^^^^^^^^^ help: consider prefixing with an underscore: `_scalar_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr_init`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1025:37
[INFO] [stderr]      |
[INFO] [stderr] 1025 |             ArrayInitialization(ref arr_init) => {
[INFO] [stderr]      |                                     ^^^^^^^^ help: consider prefixing with an underscore: `_arr_init`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `match_node`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1086:31
[INFO] [stderr]      |
[INFO] [stderr] 1086 |     fn visit_match(&mut self, match_node: &parse_tree::Match) {
[INFO] [stderr]      |                               ^^^^^^^^^^ help: consider prefixing with an underscore: `_match_node`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `heap_ref` is never read
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1129:17
[INFO] [stderr]      |
[INFO] [stderr] 1129 |         let mut heap_ref = None;
[INFO] [stderr]      |                 ^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vtable`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1192:25
[INFO] [stderr]      |
[INFO] [stderr] 1192 |                     let vtable = self.vtables.load_vtable(*vtable_id);
[INFO] [stderr]      |                         ^^^^^^ help: consider prefixing with an underscore: `_vtable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ei_arc`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1214:32
[INFO] [stderr]      |
[INFO] [stderr] 1214 |             Item::EnumInstance(ei_arc) => {
[INFO] [stderr]      |                                ^^^^^^ help: consider prefixing with an underscore: `_ei_arc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1251:62
[INFO] [stderr]      |
[INFO] [stderr] 1251 | ...                   Item::FunctionInvocation(ref func) =...
[INFO] [stderr]      |                                                    ^^^^ help: consider prefixing with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr_acces`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1296:38
[INFO] [stderr]      |
[INFO] [stderr] 1296 |     fn visit_array_access(&mut self, arr_acces: &parse_tree::ArrayAccess) {
[INFO] [stderr]      |                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_arr_acces`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param_type`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1398:34
[INFO] [stderr]      |
[INFO] [stderr] 1398 |         if let Some((param_name, param_type)) = sig.read().unwrap().parameters.get(0) {
[INFO] [stderr]      |                                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_param_type`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maybe_func` is assigned to, but never used
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1428:17
[INFO] [stderr]      |
[INFO] [stderr] 1428 |         let mut maybe_func = None;
[INFO] [stderr]      |                 ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: consider using `_maybe_func` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `maybe_func` is never read
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1432:17
[INFO] [stderr]      |
[INFO] [stderr] 1432 |                 maybe_func = Some(Arc::clone(&func_invoc));
[INFO] [stderr]      |                 ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_hole_kind_hash`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1522:34
[INFO] [stderr]      |
[INFO] [stderr] 1522 |         for ((ref type_name, ref type_hole_kind_hash), ref type_to_apply_ref) in zipped_type_args_with_applied_types {
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_type_hole_kind_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o_arc`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1529:30
[INFO] [stderr]      |
[INFO] [stderr] 1529 |             Kind::Object(ref o_arc) => {
[INFO] [stderr]      |                              ^^^^^ help: consider prefixing with an underscore: `_o_arc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e_arc`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1540:28
[INFO] [stderr]      |
[INFO] [stderr] 1540 |             Kind::Enum(ref e_arc) => {
[INFO] [stderr]      |                            ^^^^^ help: consider prefixing with an underscore: `_e_arc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fs_arc`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1551:41
[INFO] [stderr]      |
[INFO] [stderr] 1551 |             Kind::FunctionSignature(ref fs_arc) => {
[INFO] [stderr]      |                                         ^^^^^^ help: consider prefixing with an underscore: `_fs_arc`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/evaluator/interpreter.rs:626:13
[INFO] [stderr]     |
[INFO] [stderr] 626 |         let mut local_env = Environment::from_parent(&self.current_env);
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1374:13
[INFO] [stderr]      |
[INFO] [stderr] 1374 |         let mut to_apply_to_item = self.heap.load(reference.address);
[INFO] [stderr]      |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lex_float_literal`
[INFO] [stderr]    --> src/lexer/lexer.rs:364:5
[INFO] [stderr]     |
[INFO] [stderr] 364 |     fn lex_float_literal(&mut self) -> Result<Token, LexError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LexError`
[INFO] [stderr]   --> src/lexer/tokens.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     LexError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Source`
[INFO] [stderr]   --> src/parser/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Source(Box<ParseError>)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of`
[INFO] [stderr]   --> src/parser/parser.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn of(err: ParseError) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generic_args`
[INFO] [stderr]    --> src/parser/parser.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn generic_args(&mut self) -> Result<Vec<Expression>, ParseError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `functions`
[INFO] [stderr]    --> src/parser/parser.rs:557:5
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn functions(&mut self) -> Result<Vec<FunctionDeclaration>, ParseError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create_function_invocation`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn create_function_invocation(function_invocation: FunctionInvocation, kind_table: &KindTable, heap: &mut Heap) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_enum_instance`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn to_enum_instance(&self) -> Option<Arc<RwLock<EnumInstance>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_module_reference`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn to_module_reference(&self) -> Option<KindHash> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:434:5
[INFO] [stderr]     |
[INFO] [stderr] 434 |     pub fn free(&mut self, addr: Address) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_object_instance`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:456:5
[INFO] [stderr]     |
[INFO] [stderr] 456 |     pub fn load_object_instance(&self, addr: Address) -> Option<Arc<RwLock<ObjectInstance>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_enum_instance`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:463:5
[INFO] [stderr]     |
[INFO] [stderr] 463 |     pub fn load_enum_instance(&self, addr: Address) -> Option<Arc<RwLock<EnumInstance>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:494:5
[INFO] [stderr]     |
[INFO] [stderr] 494 |     Type(KindHash), // probably want this to be different. probably want a table of type equivalence
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_scalar_type`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:560:5
[INFO] [stderr]     |
[INFO] [stderr] 560 |     pub fn to_scalar_type(&self) -> Option<ScalarType> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_type`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:567:5
[INFO] [stderr]     |
[INFO] [stderr] 567 |     pub fn to_type(&self) -> Option<KindHash> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `keys`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:748:5
[INFO] [stderr]     |
[INFO] [stderr] 748 |     pub fn keys(&self) -> Vec<KindHash> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_vtable_with_id`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:775:5
[INFO] [stderr]     |
[INFO] [stderr] 775 |     pub fn new_vtable_with_id(&mut self, vtable: VTable, id: VTableId) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `errors`
[INFO] [stderr]   --> src/evaluator/interpreter.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     errors: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `emit_error`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn emit_error(&mut self, error: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tokens`
[INFO] [stderr]   --> src/evaluator/kind_hash_resolver.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     tokens: Vec<KindHashToken>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `type_param`
[INFO] [stderr]    --> src/evaluator/kind_hash_resolver.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |     type_param: Option<String>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_code`
[INFO] [stderr]  --> src/tests/runner.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) fn run_code(code: String) {
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/evaluator/evaluator.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |             _ => unimplemented!("oh no"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/evaluator/evaluator.rs:658:13
[INFO] [stderr]     |
[INFO] [stderr] 658 |             k => unimplemented!("unknown kind: {:?}", k),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/evaluator/interpreter.rs:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 r => unimplemented!("unknown reference type: {:?}", r),
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/evaluator/interpreter.rs:267:17
[INFO] [stderr]     |
[INFO] [stderr] 267 |                 v => unimplemented!("unrecognized value variant: {:?}", v)
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1126:13
[INFO] [stderr]      |
[INFO] [stderr] 1126 |             _ => unimplemented!("unknown value type in visit_field_access"),
[INFO] [stderr]      |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1147:25
[INFO] [stderr]      |
[INFO] [stderr] 1147 |                         _ => unimplemented!(),
[INFO] [stderr]      |                         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1154:13
[INFO] [stderr]      |
[INFO] [stderr] 1154 |             _ => unimplemented!("unknown value type in visit_field_access"),
[INFO] [stderr]      |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `char_lit`
[INFO] [stderr]    --> src/lexer/lexer.rs:343:21
[INFO] [stderr]     |
[INFO] [stderr] 343 |                 let char_lit = self.chomp_until(SINGLE_QUOTE);
[INFO] [stderr]     |                     ^^^^^^^^ help: consider prefixing with an underscore: `_char_lit`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/parser/parser.rs:548:21
[INFO] [stderr]     |
[INFO] [stderr] 548 |                 Err(e) => break
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/parser/parser.rs:566:21
[INFO] [stderr]     |
[INFO] [stderr] 566 |                 Err(e) => break
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/parser/parser.rs:648:31
[INFO] [stderr]     |
[INFO] [stderr] 648 |             Token::Identifier(id) => {
[INFO] [stderr]     |                               ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:107:80
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn create_function_invocation(function_invocation: FunctionInvocation, kind_table: &KindTable, heap: &mut Heap) -> Self {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:434:28
[INFO] [stderr]     |
[INFO] [stderr] 434 |     pub fn free(&mut self, addr: Address) {
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:664:25
[INFO] [stderr]     |
[INFO] [stderr] 664 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:664:49
[INFO] [stderr]     |
[INFO] [stderr] 664 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                                 ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:682:25
[INFO] [stderr]     |
[INFO] [stderr] 682 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:682:49
[INFO] [stderr]     |
[INFO] [stderr] 682 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                                 ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:700:25
[INFO] [stderr]     |
[INFO] [stderr] 700 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:700:49
[INFO] [stderr]     |
[INFO] [stderr] 700 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                                 ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind_table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:718:25
[INFO] [stderr]     |
[INFO] [stderr] 718 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_kind_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:718:49
[INFO] [stderr]     |
[INFO] [stderr] 718 |     fn kind_hash(&self, kind_table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                                 ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:877:25
[INFO] [stderr]     |
[INFO] [stderr] 877 |     fn kind_hash(&self, table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                         ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:877:44
[INFO] [stderr]     |
[INFO] [stderr] 877 |     fn kind_hash(&self, table: &KindTable, heap: &Heap) -> KindHash {
[INFO] [stderr]     |                                            ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:982:15
[INFO] [stderr]     |
[INFO] [stderr] 982 |         for ((n1, kh1), (n2, kh2)) in self.type_arguments.iter().zip(other.type_arguments.iter()) {
[INFO] [stderr]     |               ^^ help: consider prefixing with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n2`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:982:26
[INFO] [stderr]     |
[INFO] [stderr] 982 |         for ((n1, kh1), (n2, kh2)) in self.type_arguments.iter().zip(other.type_arguments.iter()) {
[INFO] [stderr]     |                          ^^ help: consider prefixing with an underscore: `_n2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:988:15
[INFO] [stderr]     |
[INFO] [stderr] 988 |         for ((n1, ty_r1), (n2, ty_r2)) in self.parameters.iter().zip(other.parameters.iter()) {
[INFO] [stderr]     |               ^^ help: consider prefixing with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n2`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:988:28
[INFO] [stderr]     |
[INFO] [stderr] 988 |         for ((n1, ty_r1), (n2, ty_r2)) in self.parameters.iter().zip(other.parameters.iter()) {
[INFO] [stderr]     |                            ^^ help: consider prefixing with an underscore: `_n2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]     --> src/evaluator/evaluator.rs:1011:25
[INFO] [stderr]      |
[INFO] [stderr] 1011 |     fn kind_hash(&self, table: &KindTable, heap: &Heap) -> String {
[INFO] [stderr]      |                         ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heap`
[INFO] [stderr]     --> src/evaluator/evaluator.rs:1011:44
[INFO] [stderr]      |
[INFO] [stderr] 1011 |     fn kind_hash(&self, table: &KindTable, heap: &Heap) -> String {
[INFO] [stderr]      |                                            ^^^^ help: consider prefixing with an underscore: `_heap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hr`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:225:42
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 Reference::HeapReference(hr) => {
[INFO] [stderr]     |                                          ^^ help: consider prefixing with an underscore: `_hr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `module_chain`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:358:36
[INFO] [stderr]     |
[INFO] [stderr] 358 |     fn load_user_module(&mut self, module_chain: &Vec<String>) {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_module_chain`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func_val`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:771:25
[INFO] [stderr]     |
[INFO] [stderr] 771 |         for (impl_name, func_val) in implementing_functions_by_name.iter() {
[INFO] [stderr]     |                         ^^^^^^^^ help: consider prefixing with an underscore: `_func_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_decl`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:788:45
[INFO] [stderr]     |
[INFO] [stderr] 788 |     fn visit_variant_declaration(&mut self, variant_decl: &parse_tree::VariantDeclaration) {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:825:13
[INFO] [stderr]     |
[INFO] [stderr] 825 |         let name = &func_decl.signature.name;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typed_var_decl`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:911:52
[INFO] [stderr]     |
[INFO] [stderr] 911 |     fn visit_typed_variable_declaration(&mut self, typed_var_decl: &parse_tree::TypedVariableDeclaration) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_typed_var_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reference`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:956:13
[INFO] [stderr]     |
[INFO] [stderr] 956 |         let reference = self.store_at(&var_assignment.target, value);
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_reference`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scalar_ty`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1005:25
[INFO] [stderr]      |
[INFO] [stderr] 1005 |                     let scalar_ty = scalar.get_ty();
[INFO] [stderr]      |                         ^^^^^^^^^ help: consider prefixing with an underscore: `_scalar_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr_init`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1025:37
[INFO] [stderr]      |
[INFO] [stderr] 1025 |             ArrayInitialization(ref arr_init) => {
[INFO] [stderr]      |                                     ^^^^^^^^ help: consider prefixing with an underscore: `_arr_init`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `match_node`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1086:31
[INFO] [stderr]      |
[INFO] [stderr] 1086 |     fn visit_match(&mut self, match_node: &parse_tree::Match) {
[INFO] [stderr]      |                               ^^^^^^^^^^ help: consider prefixing with an underscore: `_match_node`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `heap_ref` is never read
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1129:17
[INFO] [stderr]      |
[INFO] [stderr] 1129 |         let mut heap_ref = None;
[INFO] [stderr]      |                 ^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vtable`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1192:25
[INFO] [stderr]      |
[INFO] [stderr] 1192 |                     let vtable = self.vtables.load_vtable(*vtable_id);
[INFO] [stderr]      |                         ^^^^^^ help: consider prefixing with an underscore: `_vtable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ei_arc`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1214:32
[INFO] [stderr]      |
[INFO] [stderr] 1214 |             Item::EnumInstance(ei_arc) => {
[INFO] [stderr]      |                                ^^^^^^ help: consider prefixing with an underscore: `_ei_arc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1251:62
[INFO] [stderr]      |
[INFO] [stderr] 1251 | ...                   Item::FunctionInvocation(ref func) =...
[INFO] [stderr]      |                                                    ^^^^ help: consider prefixing with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr_acces`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1296:38
[INFO] [stderr]      |
[INFO] [stderr] 1296 |     fn visit_array_access(&mut self, arr_acces: &parse_tree::ArrayAccess) {
[INFO] [stderr]      |                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_arr_acces`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param_type`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1398:34
[INFO] [stderr]      |
[INFO] [stderr] 1398 |         if let Some((param_name, param_type)) = sig.read().unwrap().parameters.get(0) {
[INFO] [stderr]      |                                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_param_type`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maybe_func` is assigned to, but never used
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1428:17
[INFO] [stderr]      |
[INFO] [stderr] 1428 |         let mut maybe_func = None;
[INFO] [stderr]      |                 ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: consider using `_maybe_func` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `maybe_func` is never read
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1432:17
[INFO] [stderr]      |
[INFO] [stderr] 1432 |                 maybe_func = Some(Arc::clone(&func_invoc));
[INFO] [stderr]      |                 ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_hole_kind_hash`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1522:34
[INFO] [stderr]      |
[INFO] [stderr] 1522 |         for ((ref type_name, ref type_hole_kind_hash), ref type_to_apply_ref) in zipped_type_args_with_applied_types {
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_type_hole_kind_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o_arc`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1529:30
[INFO] [stderr]      |
[INFO] [stderr] 1529 |             Kind::Object(ref o_arc) => {
[INFO] [stderr]      |                              ^^^^^ help: consider prefixing with an underscore: `_o_arc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e_arc`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1540:28
[INFO] [stderr]      |
[INFO] [stderr] 1540 |             Kind::Enum(ref e_arc) => {
[INFO] [stderr]      |                            ^^^^^ help: consider prefixing with an underscore: `_e_arc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fs_arc`
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1551:41
[INFO] [stderr]      |
[INFO] [stderr] 1551 |             Kind::FunctionSignature(ref fs_arc) => {
[INFO] [stderr]      |                                         ^^^^^^ help: consider prefixing with an underscore: `_fs_arc`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/evaluator/interpreter.rs:626:13
[INFO] [stderr]     |
[INFO] [stderr] 626 |         let mut local_env = Environment::from_parent(&self.current_env);
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/evaluator/interpreter.rs:1374:13
[INFO] [stderr]      |
[INFO] [stderr] 1374 |         let mut to_apply_to_item = self.heap.load(reference.address);
[INFO] [stderr]      |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lex_float_literal`
[INFO] [stderr]    --> src/lexer/lexer.rs:364:5
[INFO] [stderr]     |
[INFO] [stderr] 364 |     fn lex_float_literal(&mut self) -> Result<Token, LexError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LexError`
[INFO] [stderr]   --> src/lexer/tokens.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     LexError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Source`
[INFO] [stderr]   --> src/parser/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Source(Box<ParseError>)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of`
[INFO] [stderr]   --> src/parser/parser.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn of(err: ParseError) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generic_args`
[INFO] [stderr]    --> src/parser/parser.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn generic_args(&mut self) -> Result<Vec<Expression>, ParseError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `functions`
[INFO] [stderr]    --> src/parser/parser.rs:557:5
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn functions(&mut self) -> Result<Vec<FunctionDeclaration>, ParseError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create_function_invocation`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn create_function_invocation(function_invocation: FunctionInvocation, kind_table: &KindTable, heap: &mut Heap) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_enum_instance`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn to_enum_instance(&self) -> Option<Arc<RwLock<EnumInstance>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_module_reference`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn to_module_reference(&self) -> Option<KindHash> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:434:5
[INFO] [stderr]     |
[INFO] [stderr] 434 |     pub fn free(&mut self, addr: Address) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_object_instance`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:456:5
[INFO] [stderr]     |
[INFO] [stderr] 456 |     pub fn load_object_instance(&self, addr: Address) -> Option<Arc<RwLock<ObjectInstance>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_enum_instance`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:463:5
[INFO] [stderr]     |
[INFO] [stderr] 463 |     pub fn load_enum_instance(&self, addr: Address) -> Option<Arc<RwLock<EnumInstance>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:494:5
[INFO] [stderr]     |
[INFO] [stderr] 494 |     Type(KindHash), // probably want this to be different. probably want a table of type equivalence
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_scalar_type`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:560:5
[INFO] [stderr]     |
[INFO] [stderr] 560 |     pub fn to_scalar_type(&self) -> Option<ScalarType> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_type`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:567:5
[INFO] [stderr]     |
[INFO] [stderr] 567 |     pub fn to_type(&self) -> Option<KindHash> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `keys`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:748:5
[INFO] [stderr]     |
[INFO] [stderr] 748 |     pub fn keys(&self) -> Vec<KindHash> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_vtable_with_id`
[INFO] [stderr]    --> src/evaluator/evaluator.rs:775:5
[INFO] [stderr]     |
[INFO] [stderr] 775 |     pub fn new_vtable_with_id(&mut self, vtable: VTable, id: VTableId) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `errors`
[INFO] [stderr]   --> src/evaluator/interpreter.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     errors: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `emit_error`
[INFO] [stderr]    --> src/evaluator/interpreter.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn emit_error(&mut self, error: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tokens`
[INFO] [stderr]   --> src/evaluator/kind_hash_resolver.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     tokens: Vec<KindHashToken>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `type_param`
[INFO] [stderr]    --> src/evaluator/kind_hash_resolver.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |     type_param: Option<String>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `function_declaration_multiple_generics`
[INFO] [stderr]   --> src/tests/functions.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn function_declaration_multiple_generics() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `function_call_multiple_generics`
[INFO] [stderr]    --> src/tests/functions.rs:125:8
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn function_call_multiple_generics() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `obj_creation`
[INFO] [stderr]   --> src/tests/objects.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn obj_creation() {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `obj_creation_generic`
[INFO] [stderr]   --> src/tests/objects.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn obj_creation_generic() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `obj_methods`
[INFO] [stderr]   --> src/tests/objects.rs:91:8
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn obj_methods() {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `obj_field_access`
[INFO] [stderr]    --> src/tests/objects.rs:123:8
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn obj_field_access() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `var_assignment`
[INFO] [stderr]  --> src/tests/var_assignment.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn var_assignment() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `var_assignment_assertion`
[INFO] [stderr]   --> src/tests/var_assignment.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn var_assignment_assertion() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `var_assignment_expression_assertion`
[INFO] [stderr]   --> src/tests/var_assignment.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn var_assignment_expression_assertion() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Expressions` should have a snake case name
[INFO] [stderr]  --> src/tests/expressions.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod Expressions {
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `expressions`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `FunctionTests` should have a snake case name
[INFO] [stderr]  --> src/tests/functions.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod FunctionTests {
[INFO] [stderr]   |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `function_tests`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Objects` should have a snake case name
[INFO] [stderr]  --> src/tests/objects.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod Objects {
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `objects`
[INFO] [stderr] 
[INFO] [stderr] warning: module `VarAssignmentTests` should have a snake case name
[INFO] [stderr]  --> src/tests/var_assignment.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod VarAssignmentTests {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `var_assignment_tests`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `"docker" "inspect" "73ab341e146e1e3e17a7fac19ec209ccad07201bbabacffc6f1f68e529e4f394"`
[INFO] running `"docker" "rm" "-f" "73ab341e146e1e3e17a7fac19ec209ccad07201bbabacffc6f1f68e529e4f394"`
[INFO] [stdout] 73ab341e146e1e3e17a7fac19ec209ccad07201bbabacffc6f1f68e529e4f394