[INFO] cloning repository https://github.com/dev-lew/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dev-lew/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev-lew%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev-lew%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86110f4e7f18f71b5473312818f4295c1d4b18bb
[INFO] checking dev-lew/rlox against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev-lew%2Frlox" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dev-lew/rlox
[INFO] finished tweaking git repo https://github.com/dev-lew/rlox
[INFO] tweaked toml for git repo https://github.com/dev-lew/rlox written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dev-lew/rlox on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dev-lew/rlox 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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] aa9d82ad2903601da57c441db7f0c00dc5ce910b9475801ab951384329def7cb
[INFO] running `Command { std: "docker" "start" "aa9d82ad2903601da57c441db7f0c00dc5ce910b9475801ab951384329def7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa9d82ad2903601da57c441db7f0c00dc5ce910b9475801ab951384329def7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aa9d82ad2903601da57c441db7f0c00dc5ce910b9475801ab951384329def7cb" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa9d82ad2903601da57c441db7f0c00dc5ce910b9475801ab951384329def7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aa9d82ad2903601da57c441db7f0c00dc5ce910b9475801ab951384329def7cb" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking crafting-interpreters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Opcode`
[INFO] [stdout]   --> src/main.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | use chunk::{Chunk, Opcode};
[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: `debug::Disassembler`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use debug::Disassembler;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Opcode`
[INFO] [stdout]   --> src/main.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | use chunk::{Chunk, Opcode};
[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: `debug::Disassembler`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use debug::Disassembler;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]    --> src/scanner.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let test: String = self
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut dummy_chunk = Chunk::new();
[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: variant `OpMultiply` is never constructed
[INFO] [stdout]   --> src/chunk.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub(crate) enum Opcode {
[INFO] [stdout]    |                 ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     OpMultiply,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `count` and `line` are never read
[INFO] [stdout]   --> src/chunk.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) struct LineEncoding {
[INFO] [stdout]    |                   ------------ fields in this struct
[INFO] [stdout] 46 |     pub(crate) count: u8,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 47 |     pub(crate) line: i32,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chunk.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl LineEncoding {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 51 |     pub(crate) fn new(line: i32) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `constants` and `lines` are never read
[INFO] [stdout]   --> src/chunk.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub(crate) struct Chunk {
[INFO] [stdout]    |                   ----- fields in this struct
[INFO] [stdout] 58 |     pub(crate) code: Vec<u8>,
[INFO] [stdout] 59 |     pub(crate) constants: Vec<Value>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 60 |     pub(crate) lines: Vec<LineEncoding>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `write_chunk`, `add_constant`, `write_constant`, and `get_line` are never used
[INFO] [stdout]    --> src/chunk.rs:68:19
[INFO] [stdout]     |
[INFO] [stdout]  63 | impl Chunk {
[INFO] [stdout]     | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  68 |     pub(crate) fn write_chunk(chunk: &mut Chunk, byte: u8, line: i32) {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub(crate) fn add_constant(chunk: &mut Chunk, value: Value) -> u8 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub(crate) fn write_constant(chunk: &mut Chunk, value: Value, line: i32) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub(crate) fn get_line(index: usize, lines: &Vec<LineEncoding>) -> i32 {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Disassembler` is never constructed
[INFO] [stdout]  --> src/debug.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct Disassembler<'a> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `disassemble_chunk`, `disassemble_instruction`, `simple_instruction`, and `constant_instruction` are never used
[INFO] [stdout]   --> src/debug.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'a> Disassembler<'a> {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout] 11 |     pub(crate) fn new(chunk: &'a Chunk, name: &'a str) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub(crate) fn disassemble_chunk(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub(crate) fn disassemble_instruction(&mut self, instruction: Opcode) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn simple_instruction(&mut self, name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn constant_instruction(&mut self, name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scanner.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     EOF(EOFToken),
[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] 54 -     EOF(EOFToken),
[INFO] [stdout] 54 +     EOF(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `type` and `length` are never read
[INFO] [stdout]   --> src/scanner.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) struct Token<I>
[INFO] [stdout]    |                   ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub(crate) r#type: TokenType,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 63 |     lexeme: I,
[INFO] [stdout] 64 |     pub(crate) length: usize,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/scanner.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub(crate) struct EOFToken {
[INFO] [stdout]    |                   -------- field in this struct
[INFO] [stdout] 83 |     pub(crate) line: i32,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_value` is never used
[INFO] [stdout]  --> src/value.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn print_value(value: Value) {
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InterpretCompileError` and `InterpretRuntimeError` are never constructed
[INFO] [stdout]   --> src/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) enum InterpretResult {
[INFO] [stdout]    |                 --------------- variants in this enum
[INFO] [stdout] 21 |     InterpretOk,
[INFO] [stdout] 22 |     InterpretCompileError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 23 |     InterpretRuntimeError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `chunk`, `debug_trace_execution`, `ip`, and `stack` are never read
[INFO] [stdout]   --> src/vm.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) struct VM<'a> {
[INFO] [stdout]    |                   -- fields in this struct
[INFO] [stdout] 27 |     pub(crate) chunk: &'a Chunk,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 28 |     pub(crate) debug_trace_execution: bool,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     ip: Peekable<std::slice::Iter<'a, u8>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     stack: Vec<Value>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_with_debug`, `run`, `do_binary_op`, `read_constant`, `push`, and `pop` are never used
[INFO] [stdout]    --> src/vm.rs:42:19
[INFO] [stdout]     |
[INFO] [stdout]  32 | impl<'a> VM<'a> {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub(crate) fn new_with_debug(chunk: &'a Chunk, debug_trace_execution: bool) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub(crate) fn run(&mut self) -> InterpretResult {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub(crate) fn do_binary_op(&mut self, op: char) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub(crate) fn read_constant(&mut self) -> Value {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub(crate) fn push(&mut self, value: Value) {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub(crate) fn pop(&mut self) -> Value {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]    --> src/scanner.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let test: String = self
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut dummy_chunk = Chunk::new();
[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: variant `OpMultiply` is never constructed
[INFO] [stdout]   --> src/chunk.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub(crate) enum Opcode {
[INFO] [stdout]    |                 ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     OpMultiply,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `count` and `line` are never read
[INFO] [stdout]   --> src/chunk.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) struct LineEncoding {
[INFO] [stdout]    |                   ------------ fields in this struct
[INFO] [stdout] 46 |     pub(crate) count: u8,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 47 |     pub(crate) line: i32,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chunk.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl LineEncoding {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 51 |     pub(crate) fn new(line: i32) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `constants` and `lines` are never read
[INFO] [stdout]   --> src/chunk.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub(crate) struct Chunk {
[INFO] [stdout]    |                   ----- fields in this struct
[INFO] [stdout] 58 |     pub(crate) code: Vec<u8>,
[INFO] [stdout] 59 |     pub(crate) constants: Vec<Value>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 60 |     pub(crate) lines: Vec<LineEncoding>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `write_chunk`, `add_constant`, `write_constant`, and `get_line` are never used
[INFO] [stdout]    --> src/chunk.rs:68:19
[INFO] [stdout]     |
[INFO] [stdout]  63 | impl Chunk {
[INFO] [stdout]     | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  68 |     pub(crate) fn write_chunk(chunk: &mut Chunk, byte: u8, line: i32) {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub(crate) fn add_constant(chunk: &mut Chunk, value: Value) -> u8 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub(crate) fn write_constant(chunk: &mut Chunk, value: Value, line: i32) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub(crate) fn get_line(index: usize, lines: &Vec<LineEncoding>) -> i32 {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Disassembler` is never constructed
[INFO] [stdout]  --> src/debug.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct Disassembler<'a> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `disassemble_chunk`, `disassemble_instruction`, `simple_instruction`, and `constant_instruction` are never used
[INFO] [stdout]   --> src/debug.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'a> Disassembler<'a> {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout] 11 |     pub(crate) fn new(chunk: &'a Chunk, name: &'a str) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub(crate) fn disassemble_chunk(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub(crate) fn disassemble_instruction(&mut self, instruction: Opcode) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn simple_instruction(&mut self, name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn constant_instruction(&mut self, name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scanner.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     EOF(EOFToken),
[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] 54 -     EOF(EOFToken),
[INFO] [stdout] 54 +     EOF(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `type` and `length` are never read
[INFO] [stdout]   --> src/scanner.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) struct Token<I>
[INFO] [stdout]    |                   ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub(crate) r#type: TokenType,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 63 |     lexeme: I,
[INFO] [stdout] 64 |     pub(crate) length: usize,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/scanner.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub(crate) struct EOFToken {
[INFO] [stdout]    |                   -------- field in this struct
[INFO] [stdout] 83 |     pub(crate) line: i32,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_value` is never used
[INFO] [stdout]  --> src/value.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn print_value(value: Value) {
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InterpretCompileError` and `InterpretRuntimeError` are never constructed
[INFO] [stdout]   --> src/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) enum InterpretResult {
[INFO] [stdout]    |                 --------------- variants in this enum
[INFO] [stdout] 21 |     InterpretOk,
[INFO] [stdout] 22 |     InterpretCompileError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 23 |     InterpretRuntimeError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `chunk`, `debug_trace_execution`, `ip`, and `stack` are never read
[INFO] [stdout]   --> src/vm.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) struct VM<'a> {
[INFO] [stdout]    |                   -- fields in this struct
[INFO] [stdout] 27 |     pub(crate) chunk: &'a Chunk,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 28 |     pub(crate) debug_trace_execution: bool,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     ip: Peekable<std::slice::Iter<'a, u8>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     stack: Vec<Value>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_with_debug`, `run`, `do_binary_op`, `read_constant`, `push`, and `pop` are never used
[INFO] [stdout]    --> src/vm.rs:42:19
[INFO] [stdout]     |
[INFO] [stdout]  32 | impl<'a> VM<'a> {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub(crate) fn new_with_debug(chunk: &'a Chunk, debug_trace_execution: bool) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub(crate) fn run(&mut self) -> InterpretResult {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub(crate) fn do_binary_op(&mut self, op: char) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub(crate) fn read_constant(&mut self) -> Value {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub(crate) fn push(&mut self, value: Value) {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub(crate) fn pop(&mut self) -> Value {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "aa9d82ad2903601da57c441db7f0c00dc5ce910b9475801ab951384329def7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9d82ad2903601da57c441db7f0c00dc5ce910b9475801ab951384329def7cb", kill_on_drop: false }`
[INFO] [stdout] aa9d82ad2903601da57c441db7f0c00dc5ce910b9475801ab951384329def7cb
