[INFO] cloning repository https://github.com/pekochan069/lox-rust-2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pekochan069/lox-rust-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpekochan069%2Flox-rust-2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpekochan069%2Flox-rust-2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8202da2a5d3cf434e279e97051109576ee99db23
[INFO] checking pekochan069/lox-rust-2 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpekochan069%2Flox-rust-2" "/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/pekochan069/lox-rust-2
[INFO] finished tweaking git repo https://github.com/pekochan069/lox-rust-2
[INFO] tweaked toml for git repo https://github.com/pekochan069/lox-rust-2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pekochan069/lox-rust-2 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pekochan069/lox-rust-2 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 567b75f01071b49b23909d868543609aee023bee88e444005b6a1ef5b69cac8f
[INFO] running `Command { std: "docker" "start" "-a" "567b75f01071b49b23909d868543609aee023bee88e444005b6a1ef5b69cac8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "567b75f01071b49b23909d868543609aee023bee88e444005b6a1ef5b69cac8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567b75f01071b49b23909d868543609aee023bee88e444005b6a1ef5b69cac8f", kill_on_drop: false }`
[INFO] [stdout] 567b75f01071b49b23909d868543609aee023bee88e444005b6a1ef5b69cac8f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f43a8c115e7ded947036bb5e3256d712c6d38d3922c9819c640f7522bdc41c6
[INFO] running `Command { std: "docker" "start" "-a" "8f43a8c115e7ded947036bb5e3256d712c6d38d3922c9819c640f7522bdc41c6", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]     Checking clap_builder v4.5.44
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]     Checking clap v4.5.45
[INFO] [stderr]     Checking lox-rust-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `disassemble_chunk` is never used
[INFO] [stdout]  --> src/debug.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn disassemble_chunk(name: &str, chunk: &Chunk) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn simple_instruction(instruction: &str, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constant_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn constant_instruction(instruction: &str, chunk: &Chunk, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn byte_instruction(instruction: &str, chunk: &Chunk, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jump_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn jump_instruction(instruction: &str, chunk: &Chunk, sign: i64, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `col` are never read
[INFO] [stdout]  --> src/error.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     UnexpectedCharacter { line: usize, col: usize },
[INFO] [stdout]   |     -------------------   ^^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexerError` 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: fields `line` and `col` are never read
[INFO] [stdout]  --> src/error.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     UnterminatedString { line: usize, col: usize },
[INFO] [stdout]   |     ------------------   ^^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexerError` 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: fields `line` and `col` are never read
[INFO] [stdout]  --> src/error.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     CommentNotTerminated { line: usize, col: usize },
[INFO] [stdout]   |     --------------------   ^^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexerError` 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: variant `InvalidNumber` is never constructed
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum LexerError {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     InvalidNumber { line: usize, col: usize },
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexerError` 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 `UnexpectedToken` and `OutOfSourceBoundary` are never constructed
[INFO] [stdout]   --> src/error.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum ParserError {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 41 |     UnexpectedToken { line: usize, col: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 42 |     OutOfSourceBoundary,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` 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/error.rs:58:11
[INFO] [stdout]    |
[INFO] [stdout] 58 |     Lexer(LexerError),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoxError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 58 -     Lexer(LexerError),
[INFO] [stdout] 58 +     Lexer(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Parser(ParserError),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoxError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 59 -     Parser(ParserError),
[INFO] [stdout] 59 +     Parser(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_closed` is never used
[INFO] [stdout]   --> src/function.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Upvalue {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn new_closed(value: Rc<Value>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]    --> src/parser.rs:256:12
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl CompileFrame {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 256 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/token.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Upvalue` is never constructed
[INFO] [stdout]   --> src/value.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Value {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 27 |     Upvalue { value: Upvalue },
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` 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 `clear` is never used
[INFO] [stdout]    --> src/vm.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl Chunk {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/vm.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl VM {
[INFO] [stdout]     | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn current_frame(&self) -> &CallFrame {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 363 |     fn current_closure_mut(&mut self) -> &mut Closure {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 |     fn current_function(&self) -> &Function {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     fn current_function_mut(&mut self) -> &mut Function {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 386 |     fn current_chunk_mut(&mut self) -> &mut Chunk {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 398 |     fn current_instructions_mut(&mut self) -> &mut Vec<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |     fn top_value(&mut self) -> Option<&Value> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `gen_blocks` is declared but not used
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_chunk` is never used
[INFO] [stdout]  --> src/debug.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn disassemble_chunk(name: &str, chunk: &Chunk) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn simple_instruction(instruction: &str, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constant_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn constant_instruction(instruction: &str, chunk: &Chunk, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn byte_instruction(instruction: &str, chunk: &Chunk, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jump_instruction` is never used
[INFO] [stdout]   --> src/debug.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn jump_instruction(instruction: &str, chunk: &Chunk, sign: i64, offset: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `col` are never read
[INFO] [stdout]  --> src/error.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     UnexpectedCharacter { line: usize, col: usize },
[INFO] [stdout]   |     -------------------   ^^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexerError` 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: fields `line` and `col` are never read
[INFO] [stdout]  --> src/error.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     UnterminatedString { line: usize, col: usize },
[INFO] [stdout]   |     ------------------   ^^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexerError` 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: fields `line` and `col` are never read
[INFO] [stdout]  --> src/error.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     CommentNotTerminated { line: usize, col: usize },
[INFO] [stdout]   |     --------------------   ^^^^         ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexerError` 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: variant `InvalidNumber` is never constructed
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum LexerError {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     InvalidNumber { line: usize, col: usize },
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexerError` 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 `UnexpectedToken` and `OutOfSourceBoundary` are never constructed
[INFO] [stdout]   --> src/error.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum ParserError {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 41 |     UnexpectedToken { line: usize, col: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 42 |     OutOfSourceBoundary,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` 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/error.rs:58:11
[INFO] [stdout]    |
[INFO] [stdout] 58 |     Lexer(LexerError),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoxError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 58 -     Lexer(LexerError),
[INFO] [stdout] 58 +     Lexer(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Parser(ParserError),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoxError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 59 -     Parser(ParserError),
[INFO] [stdout] 59 +     Parser(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_closed` is never used
[INFO] [stdout]   --> src/function.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Upvalue {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn new_closed(value: Rc<Value>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]    --> src/parser.rs:256:12
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl CompileFrame {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 256 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/token.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Upvalue` is never constructed
[INFO] [stdout]   --> src/value.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Value {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 27 |     Upvalue { value: Upvalue },
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` 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 `clear` is never used
[INFO] [stdout]    --> src/vm.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl Chunk {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/vm.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl VM {
[INFO] [stdout]     | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn current_frame(&self) -> &CallFrame {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 363 |     fn current_closure_mut(&mut self) -> &mut Closure {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 |     fn current_function(&self) -> &Function {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     fn current_function_mut(&mut self) -> &mut Function {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 386 |     fn current_chunk_mut(&mut self) -> &mut Chunk {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 398 |     fn current_instructions_mut(&mut self) -> &mut Vec<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |     fn top_value(&mut self) -> Option<&Value> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `gen_blocks` is declared but not used
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.03s
[INFO] running `Command { std: "docker" "inspect" "8f43a8c115e7ded947036bb5e3256d712c6d38d3922c9819c640f7522bdc41c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f43a8c115e7ded947036bb5e3256d712c6d38d3922c9819c640f7522bdc41c6", kill_on_drop: false }`
[INFO] [stdout] 8f43a8c115e7ded947036bb5e3256d712c6d38d3922c9819c640f7522bdc41c6
