[INFO] cloning repository https://github.com/James1404/little-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/James1404/little-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJames1404%2Flittle-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJames1404%2Flittle-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d874c4ec2a8fda21e4e31a46a48e814d6ef5c395
[INFO] checking James1404/little-interpreter against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJames1404%2Flittle-interpreter" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/James1404/little-interpreter
[INFO] finished tweaking git repo https://github.com/James1404/little-interpreter
[INFO] tweaked toml for git repo https://github.com/James1404/little-interpreter written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/James1404/little-interpreter on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/James1404/little-interpreter 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b8fbc439b25f932d1d3d2ca2f8a37c9f8507ae4fa3094ef4d40ae4032d19004
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[INFO] running `Command { std: "docker" "inspect" "2b8fbc439b25f932d1d3d2ca2f8a37c9f8507ae4fa3094ef4d40ae4032d19004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8fbc439b25f932d1d3d2ca2f8a37c9f8507ae4fa3094ef4d40ae4032d19004", kill_on_drop: false }`
[INFO] [stdout] 2b8fbc439b25f932d1d3d2ca2f8a37c9f8507ae4fa3094ef4d40ae4032d19004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac226521332073307eca707386524b5ce8b8af86f84f0b232d4e0ddf0c1fdef5
[INFO] running `Command { std: "docker" "start" "-a" "ac226521332073307eca707386524b5ce8b8af86f84f0b232d4e0ddf0c1fdef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]     Checking phf v0.13.1
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking little-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, io, path::Path};
[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: `fs`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, io, path::Path};
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:199:16
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn run(mut self) -> AST {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:199:16
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn run(mut self) -> AST {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Function` and `Struct` are never constructed
[INFO] [stdout]   --> src/ast/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum TopLevelStatement {
[INFO] [stdout]    |          ----------------- variants in this enum
[INFO] [stdout] 15 |     Function(FunctionDecl),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     Struct(StructDecl),
[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 `StructField` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct StructField(pub String);
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Function` and `Struct` are never constructed
[INFO] [stdout]   --> src/ast/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum TopLevelStatement {
[INFO] [stdout]    |          ----------------- variants in this enum
[INFO] [stdout] 15 |     Function(FunctionDecl),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     Struct(StructDecl),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Mod` is never constructed
[INFO] [stdout]   --> src/ast/expression.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum BinOp {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Mod,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StructField` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct StructField(pub String);
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `precedence` is never used
[INFO] [stdout]   --> src/ast/expression.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl BinOp {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 33 |     pub fn precedence(self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Mod` is never constructed
[INFO] [stdout]   --> src/ast/expression.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum BinOp {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Mod,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Not` and `Negate` are never constructed
[INFO] [stdout]   --> src/ast/expression.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum UnaryOp {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 49 |     #[display("!")]
[INFO] [stdout] 50 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 51 |     #[display("-")]
[INFO] [stdout] 52 |     Negate,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `precedence` is never used
[INFO] [stdout]   --> src/ast/expression.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl BinOp {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 33 |     pub fn precedence(self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Assignment`, `Binary`, `Unary`, `Literal`, and `Identifier` are never constructed
[INFO] [stdout]   --> src/ast/expression.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub enum Expression {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 57 |     #[display("{_0}")]
[INFO] [stdout] 58 |     Assignment(AssignmentExpr),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 59 |     #[display("{lhs} {op} {rhs}")]
[INFO] [stdout] 60 |     Binary {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     Unary { value: Box<Expression>, op: UnaryOp },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 67 |     #[display("{_0}")]
[INFO] [stdout] 68 |     Literal(Literal),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 69 |     #[display("{_0}")]
[INFO] [stdout] 70 |     Identifier(Identifier),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Not` and `Negate` are never constructed
[INFO] [stdout]   --> src/ast/expression.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum UnaryOp {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 49 |     #[display("!")]
[INFO] [stdout] 50 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 51 |     #[display("-")]
[INFO] [stdout] 52 |     Negate,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Int`, `Float`, `String`, and `Bool` are never constructed
[INFO] [stdout]   --> src/ast/expression.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub enum Literal {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 87 |     Int(String),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 88 |     Float(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 89 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 90 |     Bool(bool),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Assignment`, `Binary`, `Unary`, `Literal`, and `Identifier` are never constructed
[INFO] [stdout]   --> src/ast/expression.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub enum Expression {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 57 |     #[display("{_0}")]
[INFO] [stdout] 58 |     Assignment(AssignmentExpr),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 59 |     #[display("{lhs} {op} {rhs}")]
[INFO] [stdout] 60 |     Binary {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     Unary { value: Box<Expression>, op: UnaryOp },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 67 |     #[display("{_0}")]
[INFO] [stdout] 68 |     Literal(Literal),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 69 |     #[display("{_0}")]
[INFO] [stdout] 70 |     Identifier(Identifier),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/ast/statement.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum Statement {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout]  7 |     Block(BlockStatement),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  8 |
[INFO] [stdout]  9 |     If(IfStatement),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     While(WhileStatement),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     For(ForStatement),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     Return(ReturnStatement),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     Continue,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     Break,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     Expression(Expression),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Int`, `Float`, `String`, and `Bool` are never constructed
[INFO] [stdout]   --> src/ast/expression.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub enum Literal {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 87 |     Int(String),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 88 |     Float(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 89 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 90 |     Bool(bool),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/ast/statement.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum Statement {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout]  7 |     Block(BlockStatement),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  8 |
[INFO] [stdout]  9 |     If(IfStatement),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     While(WhileStatement),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     For(ForStatement),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     Return(ReturnStatement),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     Continue,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     Break,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     Expression(Expression),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpCode` is never used
[INFO] [stdout]  --> src/bytecode/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum OpCode {}
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]  --> src/bytecode/mod.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Value {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VirtualMachine` is never constructed
[INFO] [stdout]   --> src/bytecode/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct VirtualMachine {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpCode` is never used
[INFO] [stdout]  --> src/bytecode/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum OpCode {}
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]  --> src/bytecode/mod.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Value {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VirtualMachine` is never constructed
[INFO] [stdout]   --> src/bytecode/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct VirtualMachine {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> Lexer<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn peek(&self) -> Option<u8> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `len` are never read
[INFO] [stdout]    --> src/lexer/token.rs:98:9
[INFO] [stdout]     |
[INFO] [stdout]  94 | pub struct Token<'src> {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub position: usize,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub len: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `precedence` is never used
[INFO] [stdout]    --> src/lexer/token.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Token<'_> {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 112 |     pub fn precedence(self) -> Option<i32> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `tokens` are never read
[INFO] [stdout]   --> src/parser/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Cursor<'src> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     position: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     tokens: &'src [Token<'src>],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cursor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/parser/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> Cursor<'a> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn eof(self) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn advance(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn current(self) -> Token<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn get_advance(&mut self) -> Token<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn matches(self, expected: TokenType) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn matches_many(self, expected: &[TokenType]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn advance_if(&mut self, expected: TokenType) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn advance_if_many(&mut self, expected: &[TokenType]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn expects(&mut self, expected: TokenType) -> Result<'a, ()> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParserError` is never used
[INFO] [stdout]    --> src/parser/mod.rs:109:10
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub enum ParserError<'src> {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `error` is never used
[INFO] [stdout]    --> src/parser/mod.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl<'src> ParserError<'src> {
[INFO] [stdout]     | ---------------------------- method in this implementation
[INFO] [stdout] 115 |     pub fn error(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]    --> src/parser/mod.rs:125:10
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub type Result<'src, T> = std::result::Result<T, ParserError<'src>>;
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/mod.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     Binary(BinOp),
[INFO] [stdout]     |     ------ ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 128 -     Binary(BinOp),
[INFO] [stdout] 128 +     Binary(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> Lexer<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn peek(&self) -> Option<u8> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `len` are never read
[INFO] [stdout]    --> src/lexer/token.rs:98:9
[INFO] [stdout]     |
[INFO] [stdout]  94 | pub struct Token<'src> {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub position: usize,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub len: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/mod.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 |     AssignAnd(BinOp),
[INFO] [stdout]     |     --------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 130 -     AssignAnd(BinOp),
[INFO] [stdout] 130 +     AssignAnd(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `precedence` is never used
[INFO] [stdout]    --> src/lexer/token.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Token<'_> {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 112 |     pub fn precedence(self) -> Option<i32> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `precedence` is never used
[INFO] [stdout]    --> src/parser/mod.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl Operator {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 164 |     fn precedence(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cursor` is never read
[INFO] [stdout]    --> src/parser/mod.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub struct Parser<'src> {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 175 |     cursor: Cursor<'src>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `tokens` are never read
[INFO] [stdout]   --> src/parser/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Cursor<'src> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     position: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     tokens: &'src [Token<'src>],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cursor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `advance_alloc_ok` and `parse_ident` are never used
[INFO] [stdout]    --> src/parser/mod.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | impl<'src> Parser<'src> {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 187 |     fn advance_alloc_ok<T>(&mut self, t: T) -> Result<'src, Box<T>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn parse_ident(&mut self) -> Result<'src, Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/parser/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> Cursor<'a> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn eof(self) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn advance(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn current(self) -> Token<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn get_advance(&mut self) -> Token<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn matches(self, expected: TokenType) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn matches_many(self, expected: &[TokenType]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn advance_if(&mut self, expected: TokenType) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn advance_if_many(&mut self, expected: &[TokenType]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn expects(&mut self, expected: TokenType) -> Result<'a, ()> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParserError` is never used
[INFO] [stdout]    --> src/parser/mod.rs:109:10
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub enum ParserError<'src> {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `error` is never used
[INFO] [stdout]    --> src/parser/mod.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl<'src> ParserError<'src> {
[INFO] [stdout]     | ---------------------------- method in this implementation
[INFO] [stdout] 115 |     pub fn error(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]    --> src/parser/mod.rs:125:10
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub type Result<'src, T> = std::result::Result<T, ParserError<'src>>;
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/mod.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     Binary(BinOp),
[INFO] [stdout]     |     ------ ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 128 -     Binary(BinOp),
[INFO] [stdout] 128 +     Binary(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/mod.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 |     AssignAnd(BinOp),
[INFO] [stdout]     |     --------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 130 -     AssignAnd(BinOp),
[INFO] [stdout] 130 +     AssignAnd(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `precedence` is never used
[INFO] [stdout]    --> src/parser/mod.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl Operator {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 164 |     fn precedence(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cursor` is never read
[INFO] [stdout]    --> src/parser/mod.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub struct Parser<'src> {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 175 |     cursor: Cursor<'src>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `advance_alloc_ok` and `parse_ident` are never used
[INFO] [stdout]    --> src/parser/mod.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | impl<'src> Parser<'src> {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 187 |     fn advance_alloc_ok<T>(&mut self, t: T) -> Result<'src, Box<T>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn parse_ident(&mut self) -> Result<'src, Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `Command { std: "docker" "inspect" "ac226521332073307eca707386524b5ce8b8af86f84f0b232d4e0ddf0c1fdef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac226521332073307eca707386524b5ce8b8af86f84f0b232d4e0ddf0c1fdef5", kill_on_drop: false }`
[INFO] [stdout] ac226521332073307eca707386524b5ce8b8af86f84f0b232d4e0ddf0c1fdef5