[INFO] cloning repository https://github.com/albertexye/Compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/albertexye/Compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbertexye%2FCompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbertexye%2FCompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d3d1ff54b37de07ef42298970e6ff2e3363bae0
[INFO] checking albertexye/Compiler against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbertexye%2FCompiler" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/albertexye/Compiler
[INFO] finished tweaking git repo https://github.com/albertexye/Compiler
[INFO] tweaked toml for git repo https://github.com/albertexye/Compiler written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/albertexye/Compiler on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/albertexye/Compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fddaaa1e7ed3ddcf993f190f8325500c71282295939c36db136b7f5113213f6e
[INFO] running `Command { std: "docker" "start" "-a" "fddaaa1e7ed3ddcf993f190f8325500c71282295939c36db136b7f5113213f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fddaaa1e7ed3ddcf993f190f8325500c71282295939c36db136b7f5113213f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fddaaa1e7ed3ddcf993f190f8325500c71282295939c36db136b7f5113213f6e", kill_on_drop: false }`
[INFO] [stdout] fddaaa1e7ed3ddcf993f190f8325500c71282295939c36db136b7f5113213f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb8666dfd5d41d2a63f13a538b8d5af0a3ceb604f7aeb55d79b1eddb0aa82bca
[INFO] running `Command { std: "docker" "start" "-a" "fb8666dfd5d41d2a63f13a538b8d5af0a3ceb604f7aeb55d79b1eddb0aa82bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.102
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking insta v1.43.2
[INFO] [stderr]     Checking Compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SymbolId`
[INFO] [stdout]  --> src/lexer/mod.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::intern_pool::{InternPool, SymbolId};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/lexer/mod.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::token::{Literal, Token, TokenType, TokenValue};
[INFO] [stdout]   |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymbolId` is never constructed
[INFO] [stdout]   --> src/intern_pool.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) struct SymbolId(usize);
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InternPool` is never constructed
[INFO] [stdout]   --> src/intern_pool.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct InternPool {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_keyword` is never used
[INFO] [stdout]   --> src/intern_pool.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) fn is_keyword(id: &SymbolId) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_keyword_symbol_id` is never used
[INFO] [stdout]   --> src/intern_pool.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) fn get_keyword_symbol_id(keyword: &'static str) -> SymbolId {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_keyword` is never used
[INFO] [stdout]   --> src/intern_pool.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) fn get_keyword(id: &SymbolId) -> TokenType {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `search`, and `reverse_lookup` are never used
[INFO] [stdout]   --> src/intern_pool.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl InternPool {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 35 |     pub(crate) fn new() -> InternPool {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub(crate) fn insert(&mut self, token: String) -> SymbolId {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub(crate) fn search(&self, token: &str) -> Option<SymbolId> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub(crate) fn reverse_lookup(&mut self, id: SymbolId) -> Option<String> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]   --> src/lexer/mod.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct Lexer {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorType` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) enum ErrorType {
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]   --> src/lexer/mod.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) struct Error {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lex` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Lexer {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 41 |     pub(crate) fn lex(input: &str, pool: &mut InternPool) -> Result<Vec<Token>, Error> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_identifier` is never used
[INFO] [stdout]  --> src/lexer/identifier.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Lexer {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 4 |     pub(super) fn read_identifier(&mut self, pool: &mut InternPool) -> TokenValue {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/lexer/number.rs:5:19
[INFO] [stdout]     |
[INFO] [stdout]   3 | impl Lexer {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout]   4 |     /// Reads a number token (dispatches to decimal, float, hex, or binary).
[INFO] [stdout]   5 |     pub(super) fn read_number(&mut self) -> Result<TokenValue, Error> {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  19 |     fn read_decimal_or_float_number(&mut self) -> Result<TokenValue, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  32 |     fn consume_negative_sign(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  41 |     fn collect_digits(&mut self) -> Result<u64, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  63 |     fn collect_fraction(&mut self) -> Result<f64, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     fn make_integer(&self, number: u64, negative: bool) -> Result<TokenValue, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn read_hexadecimal_number(&mut self) -> Result<TokenValue, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn read_binary_number(&mut self) -> Result<TokenValue, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_punctuator` is never used
[INFO] [stdout]  --> src/lexer/punctuator.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Lexer {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 4 |     pub(super) fn read_punctuator(&mut self, pool: &mut InternPool) -> Result<TokenValue, Error> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `skip_whitespace_and_comments`, `skip_whitespace`, and `skip_comment` are never used
[INFO] [stdout]   --> src/lexer/skip.rs:4:19
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl Lexer {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout]  4 |     pub(super) fn skip_whitespace_and_comments(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  8 |     fn skip_whitespace(&mut self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn skip_comment(&mut self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_string`, `read_escape_sequence`, `read_hexidecimal_escape_sequence`, and `read_unicode_escape_sequence` are never used
[INFO] [stdout]   --> src/lexer/string.rs:5:19
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl Lexer {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout]  4 |     /// Reads a string literal token.
[INFO] [stdout]  5 |     pub(super) fn read_string(&mut self) -> Result<TokenValue, Error> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn read_escape_sequence(&mut self) -> Result<char, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn read_hexidecimal_escape_sequence(&mut self) -> Result<char, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn read_unicode_escape_sequence(&mut self) -> Result<char, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/lexer/utils.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl Lexer {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout]  4 |     fn start_token(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn end_token(&self) -> Span {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub(super) fn peek(&self) -> Option<&char> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub(super) fn peek2(&self) -> Option<&char> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub(super) fn next_token(&mut self, pool: &mut InternPool) -> Result<Option<Token>, Error> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn next_token_value(&mut self, pool: &mut InternPool) -> Result<TokenValue, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub(super) fn error(&self, typ: ErrorType, msg: &'static str) -> Error {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub(super) fn advance(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ast` is never constructed
[INFO] [stdout]  --> src/semantic_ast.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Ast {
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/semantic_ast.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct Module {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]   --> src/semantic_ast.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) struct File {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeDef` is never constructed
[INFO] [stdout]   --> src/semantic_ast.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub(crate) struct TypeDef {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TypeDefBody` is never used
[INFO] [stdout]   --> src/semantic_ast.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) enum TypeDefBody {
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> src/semantic_ast.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub(crate) enum Type {
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionType` is never constructed
[INFO] [stdout]   --> src/semantic_ast.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct FunctionType {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Function` is never constructed
[INFO] [stdout]   --> src/semantic_ast.rs:90:19
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) struct Function {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionArg` is never constructed
[INFO] [stdout]   --> src/semantic_ast.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) struct FunctionArg {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Declaration` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:106:19
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub(crate) struct Declaration {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expression` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:115:19
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub(crate) struct Expression {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Identifier` is never used
[INFO] [stdout]    --> src/semantic_ast.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub(crate) enum Identifier {
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExpressionValue` is never used
[INFO] [stdout]    --> src/semantic_ast.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub(crate) enum ExpressionValue {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Binary` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:139:19
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub(crate) struct Binary {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOp` is never used
[INFO] [stdout]    --> src/semantic_ast.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub(crate) enum BinaryOp {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unary` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:170:19
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub(crate) struct Unary {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOp` is never used
[INFO] [stdout]    --> src/semantic_ast.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub(crate) enum UnaryOp {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Call` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:185:19
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub(crate) struct Call {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Literal` is never used
[INFO] [stdout]    --> src/semantic_ast.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub(crate) enum Literal {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Assignment` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:202:19
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub(crate) struct Assignment {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AssignmentType` is never used
[INFO] [stdout]    --> src/semantic_ast.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub(crate) enum AssignmentType {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConditionalBranch` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:225:19
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub(crate) struct ConditionalBranch {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conditional` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:231:19
[INFO] [stdout]     |
[INFO] [stdout] 231 | pub(crate) struct Conditional {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Match` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub(crate) struct Match {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Loop` is never constructed
[INFO] [stdout]    --> src/semantic_ast.rs:245:19
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub(crate) struct Loop {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]    --> src/semantic_ast.rs:253:17
[INFO] [stdout]     |
[INFO] [stdout] 253 | pub(crate) enum Statement {
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorType` is never used
[INFO] [stdout]   --> src/semantic_parser/mod.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) enum ErrorType {}
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]   --> src/semantic_parser/mod.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct Error {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_names` is never used
[INFO] [stdout]   --> src/semantic_parser/mod.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn collect_names(ast: &syntax_ast::Ast) -> Ast {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_module_names` is never used
[INFO] [stdout]   --> src/semantic_parser/mod.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn collect_module_names(module: &syntax_ast::Module) -> Rc<Module> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_global_skeleton` is never used
[INFO] [stdout]   --> src/semantic_parser/mod.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn build_global_skeleton(global: &Scope<syntax_ast::Declaration>) -> Scope<Rc<Declaration>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_function_skeleton` is never used
[INFO] [stdout]   --> src/semantic_parser/mod.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn build_function_skeleton(function: &Scope<syntax_ast::Function>) -> Scope<Rc<Function>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_type_skeleton` is never used
[INFO] [stdout]   --> src/semantic_parser/mod.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn build_type_skeleton(typ: &Scope<syntax_ast::TypeDef>) -> Scope<Rc<TypeDef>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_file_names` is never used
[INFO] [stdout]    --> src/semantic_parser/mod.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn collect_file_names(file: &syntax_ast::File) -> File {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Span` is never constructed
[INFO] [stdout]  --> src/span.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) struct Span {
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorType` is never used
[INFO] [stdout]   --> src/syntactic_parser/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) enum ErrorType {
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]   --> src/syntactic_parser/mod.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) struct Error {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SyntacticParser` is never constructed
[INFO] [stdout]   --> src/syntactic_parser/mod.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct SyntacticParser {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parse_code` is never used
[INFO] [stdout]   --> src/syntactic_parser/mod.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl SyntacticParser {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 56 |     pub(crate) fn parse_code(
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse_assignment_or_expression` and `match_assignment_type` are never used
[INFO] [stdout]   --> src/syntactic_parser/assignment.rs:5:19
[INFO] [stdout]    |
[INFO] [stdout]  4 | impl SyntacticParser {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout]  5 |     pub(super) fn parse_assignment_or_expression(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn match_assignment_type(punc: token::TokenType) -> Option<AssignmentType> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_conditional` is never used
[INFO] [stdout]  --> src/syntactic_parser/conditional.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl SyntacticParser {
[INFO] [stdout]   | -------------------- method in this implementation
[INFO] [stdout] 5 |     pub(super) fn parse_conditional(
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_declaration` is never used
[INFO] [stdout]  --> src/syntactic_parser/declaration.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl SyntacticParser {
[INFO] [stdout]   | -------------------- method in this implementation
[INFO] [stdout] 5 |     pub(super) fn parse_declaration(&mut self) -> Result<Declaration, Error> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/syntactic_parser/expression.rs:6:19
[INFO] [stdout]     |
[INFO] [stdout]   5 | impl SyntacticParser {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout]   6 |     pub(super) fn parse_expression(&mut self) -> Result<Expression, Error> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  10 |     pub(super) fn parse_paren_exp(&mut self) -> Result<Expression, Error> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  16 |     fn parse_paren(&mut self) -> Result<Expression, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  25 |     fn parse_expression_list(&mut self, end: TokenType) -> Result<Vec<Expression>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  44 |     fn parse_array_literal(&mut self) -> Result<Expression, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     fn parse_struct_literal(&mut self) -> Result<HashMap<SymbolId, Expression>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     fn parse_infix_op(&mut self, punc: TokenType) -> Result<Expression, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn parse_prefix(&mut self) -> Result<Expression, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn is_postfix_op(punc: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn parse_postfix(&mut self, punc: TokenType, left: Expression) -> Result<Expression, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     fn pratt_parse(&mut self, left_precedence: u8) -> Result<Expression, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 211 |     fn match_infix_operator(infix: TokenType) -> Option<(u8, BinaryOp)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_file`, `parse_content`, `parse_visibility`, `parse_module_declaration`, `parse_imports`, and `parse_import` are never used
[INFO] [stdout]    --> src/syntactic_parser/file.rs:6:19
[INFO] [stdout]     |
[INFO] [stdout]   5 | impl SyntacticParser {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout]   6 |     pub(super) fn parse_file(
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  33 |     fn parse_content(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     fn parse_visibility(&mut self) -> Result<Visibility, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     fn parse_module_declaration(&mut self) -> Result<SymbolId, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn parse_imports(&mut self) -> Result<HashSet<SymbolId>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn parse_import(&mut self) -> Result<SymbolId, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_function`, `parse_return_type`, `parse_arguments`, and `parse_argument` are never used
[INFO] [stdout]   --> src/syntactic_parser/function.rs:5:19
[INFO] [stdout]    |
[INFO] [stdout]  4 | impl SyntacticParser {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout]  5 |     pub(super) fn parse_function(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn parse_return_type(&mut self) -> Result<Option<TypeAnnot>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn parse_arguments(&mut self) -> Result<Vec<FunctionArg>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn parse_argument(&mut self) -> Result<FunctionArg, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_loop`, `parse_for`, and `parse_while` are never used
[INFO] [stdout]   --> src/syntactic_parser/loop.rs:5:19
[INFO] [stdout]    |
[INFO] [stdout]  4 | impl SyntacticParser {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout]  5 |     pub(super) fn parse_loop(&mut self, pool: &mut InternPool) -> Result<Statement, Error> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn parse_for(&mut self, pool: &mut InternPool) -> Result<Loop, Error> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn parse_while(&mut self, pool: &mut InternPool) -> Result<Loop, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_match`, `parse_case`, and `parse_case_body` are never used
[INFO] [stdout]   --> src/syntactic_parser/match.rs:5:19
[INFO] [stdout]    |
[INFO] [stdout]  4 | impl SyntacticParser {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout]  5 |     pub(super) fn parse_match(&mut self, pool: &mut InternPool) -> Result<Statement, Error> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn parse_case(&mut self, pool: &mut InternPool) -> Result<ConditionalBranch, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn parse_case_body(&mut self, pool: &mut InternPool) -> Result<Vec<Statement>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `path_to_module_name`, `read_file`, `parse_module_file`, `read_dir`, `parse_module`, and `parse_modules` are never used
[INFO] [stdout]    --> src/syntactic_parser/module.rs:11:8
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl SyntacticParser {
[INFO] [stdout]     | -------------------- associated functions in this implementation
[INFO] [stdout]  11 |     fn path_to_module_name(path: &Path, pool: &mut InternPool) -> SymbolId {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  16 |     fn read_file(path: PathBuf) -> Result<String, Error> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  27 |     fn parse_module_file(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |     fn read_dir(dir: &Path) -> Result<(Vec<PathBuf>, Vec<PathBuf>), Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     fn parse_module(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub(crate) fn parse_modules(module_path: &Path, pool: &mut InternPool) -> Result<Ast, Error> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_return` is never used
[INFO] [stdout]  --> src/syntactic_parser/return.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl SyntacticParser {
[INFO] [stdout]   | -------------------- method in this implementation
[INFO] [stdout] 4 |     pub(super) fn parse_return(&mut self) -> Result<Statement, Error> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_statement` is never used
[INFO] [stdout]  --> src/syntactic_parser/statement.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl SyntacticParser {
[INFO] [stdout]   | -------------------- method in this implementation
[INFO] [stdout] 4 |     pub(super) fn parse_statement(
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_type_annotation`, `parse_base`, `parse_type_modifier`, `parse_pointer`, and `parse_array_or_slice` are never used
[INFO] [stdout]   --> src/syntactic_parser/type_annotation.rs:5:19
[INFO] [stdout]    |
[INFO] [stdout]  4 | impl SyntacticParser {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout]  5 |     pub(super) fn parse_type_annotation(&mut self) -> Result<TypeAnnot, Error> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn parse_base(&mut self) -> Result<TypeAnnotBase, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn parse_type_modifier(&mut self, keyword: TokenType) -> Result<TypeModifier, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn parse_pointer(&mut self) -> Result<TypeModifier, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn parse_array_or_slice(&mut self) -> Result<TypeModifier, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/syntactic_parser/type_definition.rs:43:19
[INFO] [stdout]     |
[INFO] [stdout]  42 | impl SyntacticParser {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout]  43 |     pub(super) fn parse_type_definition(&mut self) -> Result<TypeDef, Error> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     fn parse_struct(&mut self) -> Result<TypeDef, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     fn parse_struct_body(&mut self) -> Result<HashMap<SymbolId, TypeAnnot>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn parse_struct_field(&mut self) -> Result<(SymbolId, TypeAnnot), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn parse_enum(&mut self) -> Result<TypeDef, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn parse_enum_body(&mut self) -> Result<HashMap<SymbolId, u64>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn parse_enum_field(&mut self, counter: u64) -> Result<(SymbolId, u64), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn parse_union(&mut self) -> Result<TypeDef, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     fn parse_alias(&mut self) -> Result<TypeDef, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/syntactic_parser/utils.rs:4:19
[INFO] [stdout]     |
[INFO] [stdout]   3 | impl SyntacticParser {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout]   4 |     pub(super) fn peek(&self) -> Option<Token> {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout]   8 |     pub(super) fn back(&self) -> Token {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  12 |     pub(super) fn error(&self, typ: ErrorType, msg: &'static str) -> Error {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  20 |     pub(super) fn expect_token(
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  31 |     pub(super) fn expect_identifier(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |     pub(super) fn expect_keyword(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  59 |     pub(super) fn advance(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub(super) fn is_keyword(&self, keyword: TokenType) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub(super) fn end_line(&mut self) -> Result<(), Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub(super) fn is_identifier(&self) -> Option<SymbolId> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     pub(super) fn is_mutable(&self) -> Result<bool, Error> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub(super) fn is_uint(&self) -> Option<u64> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub(super) fn parse_block(
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub(super) fn parse_name(&mut self) -> Result<Name, Error> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ast` is never constructed
[INFO] [stdout]  --> src/syntax_ast.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct Ast {
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/syntax_ast.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct Module {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]   --> src/syntax_ast.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) struct File {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Name` is never used
[INFO] [stdout]   --> src/syntax_ast.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) type Name = Vec<SymbolId>;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Visibility` is never used
[INFO] [stdout]   --> src/syntax_ast.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub(crate) enum Visibility {
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scope` is never constructed
[INFO] [stdout]   --> src/syntax_ast.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) struct Scope<T> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeDef` is never constructed
[INFO] [stdout]   --> src/syntax_ast.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) struct TypeDef {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TypeDefBody` is never used
[INFO] [stdout]   --> src/syntax_ast.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) enum TypeDefBody {
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]   --> src/syntax_ast.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub(crate) enum Statement {
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionSig` is never constructed
[INFO] [stdout]   --> src/syntax_ast.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub(crate) struct FunctionSig {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TypeAnnotBase` is never used
[INFO] [stdout]   --> src/syntax_ast.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub(crate) enum TypeAnnotBase {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeAnnot` is never constructed
[INFO] [stdout]   --> src/syntax_ast.rs:86:19
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub(crate) struct TypeAnnot {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeModifier` is never constructed
[INFO] [stdout]   --> src/syntax_ast.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub(crate) struct TypeModifier {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TypeModifierType` is never used
[INFO] [stdout]   --> src/syntax_ast.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) enum TypeModifierType {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Function` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:106:19
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub(crate) struct Function {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionArg` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:115:19
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub(crate) struct FunctionArg {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Declaration` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub(crate) struct Declaration {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expression` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub(crate) struct Expression {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExpressionValue` is never used
[INFO] [stdout]    --> src/syntax_ast.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) enum ExpressionValue {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Binary` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub(crate) struct Binary {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOp` is never used
[INFO] [stdout]    --> src/syntax_ast.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub(crate) enum BinaryOp {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unary` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub(crate) struct Unary {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOp` is never used
[INFO] [stdout]    --> src/syntax_ast.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub(crate) enum UnaryOp {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Call` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:192:19
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub(crate) struct Call {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Literal` is never used
[INFO] [stdout]    --> src/syntax_ast.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub(crate) enum Literal {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Assignment` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:209:19
[INFO] [stdout]     |
[INFO] [stdout] 209 | pub(crate) struct Assignment {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AssignmentType` is never used
[INFO] [stdout]    --> src/syntax_ast.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub(crate) enum AssignmentType {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConditionalBranch` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:232:19
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub(crate) struct ConditionalBranch {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conditional` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub(crate) struct Conditional {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Match` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:245:19
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub(crate) struct Match {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Loop` is never constructed
[INFO] [stdout]    --> src/syntax_ast.rs:252:19
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub(crate) struct Loop {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Literal` is never used
[INFO] [stdout]   --> src/token.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub(crate) enum Literal {
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenValue` is never used
[INFO] [stdout]   --> src/token.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub(crate) enum TokenValue {
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/token.rs:90:19
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) struct Token {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/syntactic_parser/module.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let path = PathBuf::from_str(&dep).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Compiler` (bin "Compiler") due to 1 previous error; 105 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fb8666dfd5d41d2a63f13a538b8d5af0a3ceb604f7aeb55d79b1eddb0aa82bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8666dfd5d41d2a63f13a538b8d5af0a3ceb604f7aeb55d79b1eddb0aa82bca", kill_on_drop: false }`
[INFO] [stdout] fb8666dfd5d41d2a63f13a538b8d5af0a3ceb604f7aeb55d79b1eddb0aa82bca