[INFO] cloning repository https://github.com/cociorbaandrei/lux-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cociorbaandrei/lux-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcociorbaandrei%2Flux-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcociorbaandrei%2Flux-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e0f675cf3d7bea8ad548722c9762ad0b6440b9d
[INFO] testing cociorbaandrei/lux-interpreter against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcociorbaandrei%2Flux-interpreter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cociorbaandrei/lux-interpreter
[INFO] finished tweaking git repo https://github.com/cociorbaandrei/lux-interpreter
[INFO] tweaked toml for git repo https://github.com/cociorbaandrei/lux-interpreter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cociorbaandrei/lux-interpreter on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cociorbaandrei/lux-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3dc0274ed984cd8fbf3fe827c8297900eb0e2429165a9263b3083014b590805
[INFO] running `Command { std: "docker" "start" "-a" "b3dc0274ed984cd8fbf3fe827c8297900eb0e2429165a9263b3083014b590805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3dc0274ed984cd8fbf3fe827c8297900eb0e2429165a9263b3083014b590805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3dc0274ed984cd8fbf3fe827c8297900eb0e2429165a9263b3083014b590805", kill_on_drop: false }`
[INFO] [stdout] b3dc0274ed984cd8fbf3fe827c8297900eb0e2429165a9263b3083014b590805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abc1c0aa3365610bfb657ea19ebff3cd0beeb5a719af6f714c3b3c3bdebbd3ad
[INFO] running `Command { std: "docker" "start" "-a" "abc1c0aa3365610bfb657ea19ebff3cd0beeb5a719af6f714c3b3c3bdebbd3ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling codecrafters-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Parser` and `tokenizer::Tokenizer`
[INFO] [stdout]  --> src/interpreter.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 |     parser::{Expression, Operator, Parser, Statement},
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 3 |     tokenizer::Tokenizer,
[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: `hash::Hash`
[INFO] [stdout]  --> src/interpreter.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, hash::Hash, ops::Add};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/interpreter.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |         match (self) {
[INFO] [stdout]     |               ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 111 -         match (self) {
[INFO] [stdout] 111 +         match self  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Number(-x)),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Number(-x)),
[INFO] [stdout] 112 +             RuntimeValue::Number(x)  => Ok(RuntimeValue::Number(-x)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             (RuntimeValue::Boolean(x)) => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stdout]     |             ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -             (RuntimeValue::Boolean(x)) => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stdout] 113 +             RuntimeValue::Boolean(x)  => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (RuntimeValue::String(x)) => Err(anyhow!("Operand must be a number.")),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -             (RuntimeValue::String(x)) => Err(anyhow!("Operand must be a number.")),
[INFO] [stdout] 114 +             RuntimeValue::String(x)  => Err(anyhow!("Operand must be a number.")),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/interpreter.rs:120:15
[INFO] [stdout]     |
[INFO] [stdout] 120 |         match (self) {
[INFO] [stdout]     |               ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -         match (self) {
[INFO] [stdout] 120 +         match self  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout] 121 +             RuntimeValue::Number(x)  => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 122 -             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout] 122 +             RuntimeValue::Number(x)  => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (RuntimeValue::Boolean(x)) => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stdout]     |             ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -             (RuntimeValue::Boolean(x)) => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stdout] 123 +             RuntimeValue::Boolean(x)  => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 124 -             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout] 124 +             RuntimeValue::String(x)  => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/interpreter.rs:143:42
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 Ok(RuntimeValue::Boolean((x && (y > 0.0))))
[INFO] [stdout]     |                                          ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 143 -                 Ok(RuntimeValue::Boolean((x && (y > 0.0))))
[INFO] [stdout] 143 +                 Ok(RuntimeValue::Boolean(x && (y > 0.0) ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Binary`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Binary;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tokenizer::Tokenizer`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::tokenizer::Tokenizer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Error`
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/tokenizer.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Ok`
[INFO] [stdout]  --> src/tokenizer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::Ok;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/tokenizer.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 | ...                   .next_if(|c| (c.is_ascii_digit() || *c == '.'))
[INFO] [stdout]     |                                    ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 137 -                                     .next_if(|c| (c.is_ascii_digit() || *c == '.'))
[INFO] [stdout] 137 +                                     .next_if(|c| c.is_ascii_digit() || *c == '.' )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser::Expression`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use parser::Expression;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::arch::x86_64`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::arch::x86_64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/tokenizer.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 67 | / ...                   return Some(Token::Error(format!(
[INFO] [stdout] 68 | | ...                       "[line {}] Error: Unterminated string.",
[INFO] [stdout] 69 | | ...                       self.line
[INFO] [stdout] 70 | | ...                   )));
[INFO] [stdout]    | |_________________________- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 75 |   ...                   continue;
[INFO] [stdout]    |                         ^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/tokenizer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/interpreter.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/interpreter.rs:41:60
[INFO] [stdout]    |
[INFO] [stdout] 41 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/interpreter.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/interpreter.rs:72:60
[INFO] [stdout]    |
[INFO] [stdout] 72 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:103:35
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/interpreter.rs:103:60
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]     |                                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:113:36
[INFO] [stdout]     |
[INFO] [stdout] 113 |             (RuntimeValue::Boolean(x)) => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:114:35
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (RuntimeValue::String(x)) => Err(anyhow!("Operand must be a number.")),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 121 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |              ----------------------- matches all the relevant values
[INFO] [stdout] 122 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |              ----------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 125 |             RuntimeValue::Number(x) => Ok(RuntimeValue::Boolean(x > 0.0)),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (RuntimeValue::Boolean(x)) => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stdout]     |              ------------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 126 |             RuntimeValue::Boolean(x) => Ok(RuntimeValue::Boolean(x)),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |              ----------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 127 |             RuntimeValue::String(x) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:124:35
[INFO] [stdout]     |
[INFO] [stdout] 124 |             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |             RuntimeValue::String(x) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/interpreter.rs:277:32
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Expression::Binary(left, Operator::Power, right) => todo!(),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/interpreter.rs:277:55
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Expression::Binary(left, Operator::Power, right) => todo!(),
[INFO] [stdout]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/interpreter.rs:294:32
[INFO] [stdout]     |
[INFO] [stdout] 294 |             Expression::Binary(left, Operator::Or, right) => todo!(),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/interpreter.rs:294:52
[INFO] [stdout]     |
[INFO] [stdout] 294 |             Expression::Binary(left, Operator::Or, right) => todo!(),
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/parser.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Expression::Assign(s, e) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:103:35
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Expression::Assign(s, e) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:347:21
[INFO] [stdout]     |
[INFO] [stdout] 347 |                 let mut expr = self.or()?;
[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: unused variable: `s`
[INFO] [stdout]    --> src/parser.rs:341:36
[INFO] [stdout]     |
[INFO] [stdout] 341 |             Some(Token::Identifier(s, _, _, _)) => {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `print`
[INFO] [stdout]    --> src/parser.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let print = self.iter.next().context("Expected print keyword.")?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semi`
[INFO] [stdout]    --> src/parser.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semi`
[INFO] [stdout]    --> src/parser.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semi`
[INFO] [stdout]    --> src/parser.rs:384:29
[INFO] [stdout]     |
[INFO] [stdout] 384 |                         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semi`
[INFO] [stdout]    --> src/parser.rs:388:29
[INFO] [stdout]     |
[INFO] [stdout] 388 |                         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/parser.rs:407:24
[INFO] [stdout]     |
[INFO] [stdout] 407 |         while let Some(token) = self.iter.peek() {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/parser.rs:430:17
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn try_from(value: Token) -> Result<Self, Self::Error> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Token::LeftParen(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:51:44
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Token::LeftParen(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Token::RightParen(lexeme, line, col) => {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:54:45
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Token::RightParen(lexeme, line, col) => {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Token::LeftBrace(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:57:44
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Token::LeftBrace(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Token::RightBrace(lexeme, line, col) => {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:60:45
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Token::RightBrace(lexeme, line, col) => {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:63:33
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Token::Star(lexeme, line, col) => write!(f, "{} {} {}", "STAR", lexeme, "null"),
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Token::Star(lexeme, line, col) => write!(f, "{} {} {}", "STAR", lexeme, "null"),
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Token::Dot(lexeme, line, col) => write!(f, "{} {} {}", "DOT", lexeme, "null"),
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:64:38
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Token::Dot(lexeme, line, col) => write!(f, "{} {} {}", "DOT", lexeme, "null"),
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:65:34
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Token::Comma(lexeme, line, col) => write!(f, "{} {} {}", "COMMA", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:65:40
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Token::Comma(lexeme, line, col) => write!(f, "{} {} {}", "COMMA", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Token::Plus(lexeme, line, col) => write!(f, "{} {} {}", "PLUS", lexeme, "null"),
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:66:39
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Token::Plus(lexeme, line, col) => write!(f, "{} {} {}", "PLUS", lexeme, "null"),
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Token::Minus(lexeme, line, col) => write!(f, "{} {} {}", "MINUS", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:67:40
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Token::Minus(lexeme, line, col) => write!(f, "{} {} {}", "MINUS", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:68:38
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Token::Semicolon(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:68:44
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Token::Semicolon(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Token::Slash(lexeme, line, col) => write!(f, "{} {} {}", "SLASH", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:71:40
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Token::Slash(lexeme, line, col) => write!(f, "{} {} {}", "SLASH", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Token::Number(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Token::Number(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Token::Identifier(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:83:45
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Token::Identifier(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/token.rs:83:50
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Token::Identifier(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Token::Equal(lexeme, line, col) => write!(f, "{} {} {}", "EQUAL", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Token::Equal(lexeme, line, col) => write!(f, "{} {} {}", "EQUAL", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:87:39
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Token::EqualEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:87:45
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Token::EqualEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Token::Colon(lexeme, line, col) => write!(f, "{} {} {}", "COLON", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:90:40
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Token::Colon(lexeme, line, col) => write!(f, "{} {} {}", "COLON", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Token::Bang(lexeme, line, col) => write!(f, "{} {} {}", "BANG", lexeme, "null"),
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:91:39
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Token::Bang(lexeme, line, col) => write!(f, "{} {} {}", "BANG", lexeme, "null"),
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:92:38
[INFO] [stdout]    |
[INFO] [stdout] 92 |             Token::BangEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:92:44
[INFO] [stdout]    |
[INFO] [stdout] 92 |             Token::BangEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:95:33
[INFO] [stdout]    |
[INFO] [stdout] 95 |             Token::Less(lexeme, line, col) => write!(f, "{} {} {}", "LESS", lexeme, "null"),
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:95:39
[INFO] [stdout]    |
[INFO] [stdout] 95 |             Token::Less(lexeme, line, col) => write!(f, "{} {} {}", "LESS", lexeme, "null"),
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:96:38
[INFO] [stdout]    |
[INFO] [stdout] 96 |             Token::LessEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:96:44
[INFO] [stdout]    |
[INFO] [stdout] 96 |             Token::LessEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:99:36
[INFO] [stdout]    |
[INFO] [stdout] 99 |             Token::Greater(lexeme, line, col) => write!(f, "{} {} {}", "GREATER", lexeme, "null"),
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 |             Token::Greater(lexeme, line, col) => write!(f, "{} {} {}", "GREATER", lexeme, "null"),
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Token::GreaterEqual(lexeme, line, col) => {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:100:47
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Token::GreaterEqual(lexeme, line, col) => {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:103:35
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Token::String(lexeme, line, col, ident) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Token::String(lexeme, line, col, ident) => {
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Token::And(lexeme, line, col) => write!(f, "{} {} {}", "AND", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Token::And(lexeme, line, col) => write!(f, "{} {} {}", "AND", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:107:34
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Token::Class(lexeme, line, col) => write!(f, "{} {} {}", "CLASS", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:107:40
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Token::Class(lexeme, line, col) => write!(f, "{} {} {}", "CLASS", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:108:33
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Token::Else(lexeme, line, col) => write!(f, "{} {} {}", "ELSE", lexeme, "null"),
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:108:39
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Token::Else(lexeme, line, col) => write!(f, "{} {} {}", "ELSE", lexeme, "null"),
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Token::False(lexeme, line, col) => write!(f, "{} {} {}", "FALSE", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:109:40
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Token::False(lexeme, line, col) => write!(f, "{} {} {}", "FALSE", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |             Token::For(lexeme, line, col) => write!(f, "{} {} {}", "FOR", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:110:38
[INFO] [stdout]     |
[INFO] [stdout] 110 |             Token::For(lexeme, line, col) => write!(f, "{} {} {}", "FOR", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:111:32
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Token::Fun(lexeme, line, col) => write!(f, "{} {} {}", "FUN", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:111:38
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Token::Fun(lexeme, line, col) => write!(f, "{} {} {}", "FUN", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:112:31
[INFO] [stdout]     |
[INFO] [stdout] 112 |             Token::If(lexeme, line, col) => write!(f, "{} {} {}", "IF", lexeme, "null"),
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:112:37
[INFO] [stdout]     |
[INFO] [stdout] 112 |             Token::If(lexeme, line, col) => write!(f, "{} {} {}", "IF", lexeme, "null"),
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Token::Nil(lexeme, line, col) => write!(f, "{} {} {}", "NIL", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:113:38
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Token::Nil(lexeme, line, col) => write!(f, "{} {} {}", "NIL", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:114:31
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Token::Or(lexeme, line, col) => write!(f, "{} {} {}", "OR", lexeme, "null"),
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:114:37
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Token::Or(lexeme, line, col) => write!(f, "{} {} {}", "OR", lexeme, "null"),
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:115:34
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Token::Print(lexeme, line, col) => write!(f, "{} {} {}", "PRINT", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:115:40
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Token::Print(lexeme, line, col) => write!(f, "{} {} {}", "PRINT", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:116:35
[INFO] [stdout]     |
[INFO] [stdout] 116 |             Token::Return(lexeme, line, col) => write!(f, "{} {} {}", "RETURN", lexeme, "null"),
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:116:41
[INFO] [stdout]     |
[INFO] [stdout] 116 |             Token::Return(lexeme, line, col) => write!(f, "{} {} {}", "RETURN", lexeme, "null"),
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:117:34
[INFO] [stdout]     |
[INFO] [stdout] 117 |             Token::Super(lexeme, line, col) => write!(f, "{} {} {}", "SUPER", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:117:40
[INFO] [stdout]     |
[INFO] [stdout] 117 |             Token::Super(lexeme, line, col) => write!(f, "{} {} {}", "SUPER", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:118:33
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Token::This(lexeme, line, col) => write!(f, "{} {} {}", "THIS", lexeme, "null"),
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Token::This(lexeme, line, col) => write!(f, "{} {} {}", "THIS", lexeme, "null"),
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:119:33
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Token::True(lexeme, line, col) => write!(f, "{} {} {}", "TRUE", lexeme, "null"),
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:119:39
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Token::True(lexeme, line, col) => write!(f, "{} {} {}", "TRUE", lexeme, "null"),
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:120:32
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Token::Var(lexeme, line, col) => write!(f, "{} {} {}", "VAR", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:120:38
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Token::Var(lexeme, line, col) => write!(f, "{} {} {}", "VAR", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:121:34
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Token::While(lexeme, line, col) => write!(f, "{} {} {}", "WHILE", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:121:40
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Token::While(lexeme, line, col) => write!(f, "{} {} {}", "WHILE", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         _ => {
[INFO] [stdout]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout]  89 |                         Ok(RuntimeValue::Number(x)) => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  92 |                         Ok(RuntimeValue::String(x)) => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  95 |                         Ok(RuntimeValue::Boolean(x)) => {
[INFO] [stdout]     |                         ---------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  98 |                         Ok(RuntimeValue::Nil) => {
[INFO] [stdout]     |                         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 106 |                         _ => {
[INFO] [stdout]     |                         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Power` is never constructed
[INFO] [stdout]   --> src/parser.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Operator {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Power,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has a derived impl for the trait `Debug`, 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: variant `Assign` is never constructed
[INFO] [stdout]   --> src/parser.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Expression {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Assign(String, Box<Expression>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `assert_next`, `operator`, `peek`, and `next` are never used
[INFO] [stdout]    --> src/parser.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn assert_next(&mut self, token: Token) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn operator(&mut self) -> Result<Operator> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 421 |     fn peek(&mut self) -> Option<&Token> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 424 |     fn next(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EndOfFile` is never constructed
[INFO] [stdout]   --> src/token.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     EndOfFile,
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 |                         writeln!(io::stderr(), "{}", err);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |                         let _ = writeln!(io::stderr(), "{}", err);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   writeln!(io::stderr(), "{}", e);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |                             let _ = writeln!(io::stderr(), "{}", e);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   writeln!(io::stderr(), "{}", e);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |                             let _ = writeln!(io::stderr(), "{}", e);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             writeln!(io::stderr(), "Unknown command: {}", command);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let _ = writeln!(io::stderr(), "Unknown command: {}", command);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn iter(&self) -> TokenIter {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn iter(&self) -> TokenIter<'_> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "abc1c0aa3365610bfb657ea19ebff3cd0beeb5a719af6f714c3b3c3bdebbd3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc1c0aa3365610bfb657ea19ebff3cd0beeb5a719af6f714c3b3c3bdebbd3ad", kill_on_drop: false }`
[INFO] [stdout] abc1c0aa3365610bfb657ea19ebff3cd0beeb5a719af6f714c3b3c3bdebbd3ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 931d3ed0baf0849ffcecdb3bb275474eb709d6c88c9307bb92d2387bf4ac3b48
[INFO] running `Command { std: "docker" "start" "-a" "931d3ed0baf0849ffcecdb3bb275474eb709d6c88c9307bb92d2387bf4ac3b48", kill_on_drop: false }`
[INFO] [stderr]    Compiling codecrafters-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/interpreter.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, hash::Hash, ops::Add};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/interpreter.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |         match (self) {
[INFO] [stdout]     |               ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 111 -         match (self) {
[INFO] [stdout] 111 +         match self  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Number(-x)),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Number(-x)),
[INFO] [stdout] 112 +             RuntimeValue::Number(x)  => Ok(RuntimeValue::Number(-x)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             (RuntimeValue::Boolean(x)) => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stdout]     |             ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -             (RuntimeValue::Boolean(x)) => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stdout] 113 +             RuntimeValue::Boolean(x)  => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (RuntimeValue::String(x)) => Err(anyhow!("Operand must be a number.")),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -             (RuntimeValue::String(x)) => Err(anyhow!("Operand must be a number.")),
[INFO] [stdout] 114 +             RuntimeValue::String(x)  => Err(anyhow!("Operand must be a number.")),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/interpreter.rs:120:15
[INFO] [stdout]     |
[INFO] [stdout] 120 |         match (self) {
[INFO] [stdout]     |               ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -         match (self) {
[INFO] [stdout] 120 +         match self  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout] 121 +             RuntimeValue::Number(x)  => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 122 -             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout] 122 +             RuntimeValue::Number(x)  => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (RuntimeValue::Boolean(x)) => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stdout]     |             ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -             (RuntimeValue::Boolean(x)) => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stdout] 123 +             RuntimeValue::Boolean(x)  => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/interpreter.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |             ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 124 -             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout] 124 +             RuntimeValue::String(x)  => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/interpreter.rs:143:42
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 Ok(RuntimeValue::Boolean((x && (y > 0.0))))
[INFO] [stdout]     |                                          ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 143 -                 Ok(RuntimeValue::Boolean((x && (y > 0.0))))
[INFO] [stdout] 143 +                 Ok(RuntimeValue::Boolean(x && (y > 0.0) ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Binary`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Binary;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Error`
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expression::*`
[INFO] [stdout]    --> src/parser.rs:527:9
[INFO] [stdout]     |
[INFO] [stdout] 527 |     use Expression::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Operator::*`
[INFO] [stdout]    --> src/parser.rs:528:9
[INFO] [stdout]     |
[INFO] [stdout] 528 |     use Operator::*;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expression::*`
[INFO] [stdout]    --> src/parser.rs:558:9
[INFO] [stdout]     |
[INFO] [stdout] 558 |     use Expression::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Operator::*`
[INFO] [stdout]    --> src/parser.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |     use Operator::*;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/tokenizer.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Ok`
[INFO] [stdout]  --> src/tokenizer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::Ok;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/tokenizer.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 | ...                   .next_if(|c| (c.is_ascii_digit() || *c == '.'))
[INFO] [stdout]     |                                    ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 137 -                                     .next_if(|c| (c.is_ascii_digit() || *c == '.'))
[INFO] [stdout] 137 +                                     .next_if(|c| c.is_ascii_digit() || *c == '.' )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser::Expression`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use parser::Expression;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::arch::x86_64`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::arch::x86_64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/tokenizer.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 67 | / ...                   return Some(Token::Error(format!(
[INFO] [stdout] 68 | | ...                       "[line {}] Error: Unterminated string.",
[INFO] [stdout] 69 | | ...                       self.line
[INFO] [stdout] 70 | | ...                   )));
[INFO] [stdout]    | |_________________________- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 75 |   ...                   continue;
[INFO] [stdout]    |                         ^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/tokenizer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/interpreter.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/interpreter.rs:41:60
[INFO] [stdout]    |
[INFO] [stdout] 41 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/interpreter.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/interpreter.rs:72:60
[INFO] [stdout]    |
[INFO] [stdout] 72 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:103:35
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/interpreter.rs:103:60
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stdout]     |                                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:113:36
[INFO] [stdout]     |
[INFO] [stdout] 113 |             (RuntimeValue::Boolean(x)) => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:114:35
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (RuntimeValue::String(x)) => Err(anyhow!("Operand must be a number.")),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 121 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |              ----------------------- matches all the relevant values
[INFO] [stdout] 122 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stdout]     |              ----------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 125 |             RuntimeValue::Number(x) => Ok(RuntimeValue::Boolean(x > 0.0)),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (RuntimeValue::Boolean(x)) => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stdout]     |              ------------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 126 |             RuntimeValue::Boolean(x) => Ok(RuntimeValue::Boolean(x)),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |              ----------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 127 |             RuntimeValue::String(x) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:124:35
[INFO] [stdout]     |
[INFO] [stdout] 124 |             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |             RuntimeValue::String(x) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/interpreter.rs:277:32
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Expression::Binary(left, Operator::Power, right) => todo!(),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/interpreter.rs:277:55
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Expression::Binary(left, Operator::Power, right) => todo!(),
[INFO] [stdout]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/interpreter.rs:294:32
[INFO] [stdout]     |
[INFO] [stdout] 294 |             Expression::Binary(left, Operator::Or, right) => todo!(),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/interpreter.rs:294:52
[INFO] [stdout]     |
[INFO] [stdout] 294 |             Expression::Binary(left, Operator::Or, right) => todo!(),
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/parser.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Expression::Assign(s, e) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:103:35
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Expression::Assign(s, e) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:347:21
[INFO] [stdout]     |
[INFO] [stdout] 347 |                 let mut expr = self.or()?;
[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: unused variable: `s`
[INFO] [stdout]    --> src/parser.rs:341:36
[INFO] [stdout]     |
[INFO] [stdout] 341 |             Some(Token::Identifier(s, _, _, _)) => {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `print`
[INFO] [stdout]    --> src/parser.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let print = self.iter.next().context("Expected print keyword.")?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semi`
[INFO] [stdout]    --> src/parser.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semi`
[INFO] [stdout]    --> src/parser.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semi`
[INFO] [stdout]    --> src/parser.rs:384:29
[INFO] [stdout]     |
[INFO] [stdout] 384 |                         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semi`
[INFO] [stdout]    --> src/parser.rs:388:29
[INFO] [stdout]     |
[INFO] [stdout] 388 |                         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/parser.rs:407:24
[INFO] [stdout]     |
[INFO] [stdout] 407 |         while let Some(token) = self.iter.peek() {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/parser.rs:430:17
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn try_from(value: Token) -> Result<Self, Self::Error> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Token::LeftParen(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:51:44
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Token::LeftParen(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Token::RightParen(lexeme, line, col) => {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:54:45
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Token::RightParen(lexeme, line, col) => {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Token::LeftBrace(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:57:44
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Token::LeftBrace(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Token::RightBrace(lexeme, line, col) => {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:60:45
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Token::RightBrace(lexeme, line, col) => {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:63:33
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Token::Star(lexeme, line, col) => write!(f, "{} {} {}", "STAR", lexeme, "null"),
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Token::Star(lexeme, line, col) => write!(f, "{} {} {}", "STAR", lexeme, "null"),
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Token::Dot(lexeme, line, col) => write!(f, "{} {} {}", "DOT", lexeme, "null"),
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:64:38
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Token::Dot(lexeme, line, col) => write!(f, "{} {} {}", "DOT", lexeme, "null"),
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:65:34
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Token::Comma(lexeme, line, col) => write!(f, "{} {} {}", "COMMA", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:65:40
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Token::Comma(lexeme, line, col) => write!(f, "{} {} {}", "COMMA", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Token::Plus(lexeme, line, col) => write!(f, "{} {} {}", "PLUS", lexeme, "null"),
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:66:39
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Token::Plus(lexeme, line, col) => write!(f, "{} {} {}", "PLUS", lexeme, "null"),
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Token::Minus(lexeme, line, col) => write!(f, "{} {} {}", "MINUS", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:67:40
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Token::Minus(lexeme, line, col) => write!(f, "{} {} {}", "MINUS", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:68:38
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Token::Semicolon(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:68:44
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Token::Semicolon(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Token::Slash(lexeme, line, col) => write!(f, "{} {} {}", "SLASH", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:71:40
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Token::Slash(lexeme, line, col) => write!(f, "{} {} {}", "SLASH", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Token::Number(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Token::Number(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Token::Identifier(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:83:45
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Token::Identifier(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/token.rs:83:50
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Token::Identifier(lexeme, line, col, ident) => {
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Token::Equal(lexeme, line, col) => write!(f, "{} {} {}", "EQUAL", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Token::Equal(lexeme, line, col) => write!(f, "{} {} {}", "EQUAL", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:87:39
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Token::EqualEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:87:45
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Token::EqualEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Token::Colon(lexeme, line, col) => write!(f, "{} {} {}", "COLON", lexeme, "null"),
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:90:40
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Token::Colon(lexeme, line, col) => write!(f, "{} {} {}", "COLON", lexeme, "null"),
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Token::Bang(lexeme, line, col) => write!(f, "{} {} {}", "BANG", lexeme, "null"),
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:91:39
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Token::Bang(lexeme, line, col) => write!(f, "{} {} {}", "BANG", lexeme, "null"),
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:92:38
[INFO] [stdout]    |
[INFO] [stdout] 92 |             Token::BangEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:92:44
[INFO] [stdout]    |
[INFO] [stdout] 92 |             Token::BangEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:95:33
[INFO] [stdout]    |
[INFO] [stdout] 95 |             Token::Less(lexeme, line, col) => write!(f, "{} {} {}", "LESS", lexeme, "null"),
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:95:39
[INFO] [stdout]    |
[INFO] [stdout] 95 |             Token::Less(lexeme, line, col) => write!(f, "{} {} {}", "LESS", lexeme, "null"),
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:96:38
[INFO] [stdout]    |
[INFO] [stdout] 96 |             Token::LessEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:96:44
[INFO] [stdout]    |
[INFO] [stdout] 96 |             Token::LessEqual(lexeme, line, col) => {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/token.rs:99:36
[INFO] [stdout]    |
[INFO] [stdout] 99 |             Token::Greater(lexeme, line, col) => write!(f, "{} {} {}", "GREATER", lexeme, "null"),
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/token.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 |             Token::Greater(lexeme, line, col) => write!(f, "{} {} {}", "GREATER", lexeme, "null"),
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Token::GreaterEqual(lexeme, line, col) => {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:100:47
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Token::GreaterEqual(lexeme, line, col) => {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:103:35
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Token::String(lexeme, line, col, ident) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Token::String(lexeme, line, col, ident) => {
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Token::And(lexeme, line, col) => write!(f, "{} {} {}", "AND", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Token::And(lexeme, line, col) => write!(f, "{} {} {}", "AND", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:107:34
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Token::Class(lexeme, line, col) => write!(f, "{} {} {}", "CLASS", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:107:40
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Token::Class(lexeme, line, col) => write!(f, "{} {} {}", "CLASS", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:108:33
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Token::Else(lexeme, line, col) => write!(f, "{} {} {}", "ELSE", lexeme, "null"),
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:108:39
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Token::Else(lexeme, line, col) => write!(f, "{} {} {}", "ELSE", lexeme, "null"),
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Token::False(lexeme, line, col) => write!(f, "{} {} {}", "FALSE", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:109:40
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Token::False(lexeme, line, col) => write!(f, "{} {} {}", "FALSE", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |             Token::For(lexeme, line, col) => write!(f, "{} {} {}", "FOR", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:110:38
[INFO] [stdout]     |
[INFO] [stdout] 110 |             Token::For(lexeme, line, col) => write!(f, "{} {} {}", "FOR", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:111:32
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Token::Fun(lexeme, line, col) => write!(f, "{} {} {}", "FUN", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:111:38
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Token::Fun(lexeme, line, col) => write!(f, "{} {} {}", "FUN", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:112:31
[INFO] [stdout]     |
[INFO] [stdout] 112 |             Token::If(lexeme, line, col) => write!(f, "{} {} {}", "IF", lexeme, "null"),
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:112:37
[INFO] [stdout]     |
[INFO] [stdout] 112 |             Token::If(lexeme, line, col) => write!(f, "{} {} {}", "IF", lexeme, "null"),
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Token::Nil(lexeme, line, col) => write!(f, "{} {} {}", "NIL", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:113:38
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Token::Nil(lexeme, line, col) => write!(f, "{} {} {}", "NIL", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:114:31
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Token::Or(lexeme, line, col) => write!(f, "{} {} {}", "OR", lexeme, "null"),
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:114:37
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Token::Or(lexeme, line, col) => write!(f, "{} {} {}", "OR", lexeme, "null"),
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:115:34
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Token::Print(lexeme, line, col) => write!(f, "{} {} {}", "PRINT", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:115:40
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Token::Print(lexeme, line, col) => write!(f, "{} {} {}", "PRINT", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:116:35
[INFO] [stdout]     |
[INFO] [stdout] 116 |             Token::Return(lexeme, line, col) => write!(f, "{} {} {}", "RETURN", lexeme, "null"),
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:116:41
[INFO] [stdout]     |
[INFO] [stdout] 116 |             Token::Return(lexeme, line, col) => write!(f, "{} {} {}", "RETURN", lexeme, "null"),
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:117:34
[INFO] [stdout]     |
[INFO] [stdout] 117 |             Token::Super(lexeme, line, col) => write!(f, "{} {} {}", "SUPER", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:117:40
[INFO] [stdout]     |
[INFO] [stdout] 117 |             Token::Super(lexeme, line, col) => write!(f, "{} {} {}", "SUPER", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:118:33
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Token::This(lexeme, line, col) => write!(f, "{} {} {}", "THIS", lexeme, "null"),
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Token::This(lexeme, line, col) => write!(f, "{} {} {}", "THIS", lexeme, "null"),
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:119:33
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Token::True(lexeme, line, col) => write!(f, "{} {} {}", "TRUE", lexeme, "null"),
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:119:39
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Token::True(lexeme, line, col) => write!(f, "{} {} {}", "TRUE", lexeme, "null"),
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:120:32
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Token::Var(lexeme, line, col) => write!(f, "{} {} {}", "VAR", lexeme, "null"),
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:120:38
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Token::Var(lexeme, line, col) => write!(f, "{} {} {}", "VAR", lexeme, "null"),
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/token.rs:121:34
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Token::While(lexeme, line, col) => write!(f, "{} {} {}", "WHILE", lexeme, "null"),
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/token.rs:121:40
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Token::While(lexeme, line, col) => write!(f, "{} {} {}", "WHILE", lexeme, "null"),
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         _ => {
[INFO] [stdout]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout]  89 |                         Ok(RuntimeValue::Number(x)) => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  92 |                         Ok(RuntimeValue::String(x)) => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  95 |                         Ok(RuntimeValue::Boolean(x)) => {
[INFO] [stdout]     |                         ---------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  98 |                         Ok(RuntimeValue::Nil) => {
[INFO] [stdout]     |                         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 106 |                         _ => {
[INFO] [stdout]     |                         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Power` is never constructed
[INFO] [stdout]   --> src/parser.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Operator {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Power,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has a derived impl for the trait `Debug`, 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: variant `Assign` is never constructed
[INFO] [stdout]   --> src/parser.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Expression {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Assign(String, Box<Expression>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `assert_next`, `operator`, `peek`, and `next` are never used
[INFO] [stdout]    --> src/parser.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn assert_next(&mut self, token: Token) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn operator(&mut self) -> Result<Operator> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 421 |     fn peek(&mut self) -> Option<&Token> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 424 |     fn next(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EndOfFile` is never constructed
[INFO] [stdout]   --> src/token.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     EndOfFile,
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 |                         writeln!(io::stderr(), "{}", err);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |                         let _ = writeln!(io::stderr(), "{}", err);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   writeln!(io::stderr(), "{}", e);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |                             let _ = writeln!(io::stderr(), "{}", e);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   writeln!(io::stderr(), "{}", e);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |                             let _ = writeln!(io::stderr(), "{}", e);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             writeln!(io::stderr(), "Unknown command: {}", command);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let _ = writeln!(io::stderr(), "Unknown command: {}", command);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn iter(&self) -> TokenIter {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn iter(&self) -> TokenIter<'_> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "931d3ed0baf0849ffcecdb3bb275474eb709d6c88c9307bb92d2387bf4ac3b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931d3ed0baf0849ffcecdb3bb275474eb709d6c88c9307bb92d2387bf4ac3b48", kill_on_drop: false }`
[INFO] [stdout] 931d3ed0baf0849ffcecdb3bb275474eb709d6c88c9307bb92d2387bf4ac3b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e90f8db0ac5b3598831d35f20d17382de90497000a10ca5d341e7f51d47d3337
[INFO] running `Command { std: "docker" "start" "-a" "e90f8db0ac5b3598831d35f20d17382de90497000a10ca5d341e7f51d47d3337", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `hash::Hash`
[INFO] [stderr]  --> src/interpreter.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{collections::HashMap, hash::Hash, ops::Add};
[INFO] [stderr]   |                                 ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]    --> src/interpreter.rs:111:15
[INFO] [stderr]     |
[INFO] [stderr] 111 |         match (self) {
[INFO] [stderr]     |               ^    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 111 -         match (self) {
[INFO] [stderr] 111 +         match self  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]    --> src/interpreter.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Number(-x)),
[INFO] [stderr]     |             ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 112 -             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Number(-x)),
[INFO] [stderr] 112 +             RuntimeValue::Number(x)  => Ok(RuntimeValue::Number(-x)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]    --> src/interpreter.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |             (RuntimeValue::Boolean(x)) => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stderr]     |             ^                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 113 -             (RuntimeValue::Boolean(x)) => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stderr] 113 +             RuntimeValue::Boolean(x)  => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]    --> src/interpreter.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             (RuntimeValue::String(x)) => Err(anyhow!("Operand must be a number.")),
[INFO] [stderr]     |             ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 114 -             (RuntimeValue::String(x)) => Err(anyhow!("Operand must be a number.")),
[INFO] [stderr] 114 +             RuntimeValue::String(x)  => Err(anyhow!("Operand must be a number.")),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]    --> src/interpreter.rs:120:15
[INFO] [stderr]     |
[INFO] [stderr] 120 |         match (self) {
[INFO] [stderr]     |               ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 120 -         match (self) {
[INFO] [stderr] 120 +         match self  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]    --> src/interpreter.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stderr]     |             ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 121 -             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stderr] 121 +             RuntimeValue::Number(x)  => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]    --> src/interpreter.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stderr]     |             ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 122 -             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stderr] 122 +             RuntimeValue::Number(x)  => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]    --> src/interpreter.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |             (RuntimeValue::Boolean(x)) => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stderr]     |             ^                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 123 -             (RuntimeValue::Boolean(x)) => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stderr] 123 +             RuntimeValue::Boolean(x)  => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]    --> src/interpreter.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stderr]     |             ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 124 -             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stderr] 124 +             RuntimeValue::String(x)  => Ok(RuntimeValue::Boolean(false)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/interpreter.rs:143:42
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 Ok(RuntimeValue::Boolean((x && (y > 0.0))))
[INFO] [stderr]     |                                          ^              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 143 -                 Ok(RuntimeValue::Boolean((x && (y > 0.0))))
[INFO] [stderr] 143 +                 Ok(RuntimeValue::Boolean(x && (y > 0.0) ))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Binary`
[INFO] [stderr]  --> src/parser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::Binary;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parser`
[INFO] [stderr]  --> src/parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Error`
[INFO] [stderr]  --> src/parser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use anyhow::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expression::*`
[INFO] [stderr]    --> src/parser.rs:527:9
[INFO] [stderr]     |
[INFO] [stderr] 527 |     use Expression::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Operator::*`
[INFO] [stderr]    --> src/parser.rs:528:9
[INFO] [stderr]     |
[INFO] [stderr] 528 |     use Operator::*;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expression::*`
[INFO] [stderr]    --> src/parser.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |     use Expression::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Operator::*`
[INFO] [stderr]    --> src/parser.rs:559:9
[INFO] [stderr]     |
[INFO] [stderr] 559 |     use Operator::*;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/tokenizer.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Ok`
[INFO] [stderr]  --> src/tokenizer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use anyhow::Ok;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Result`
[INFO] [stderr]  --> src/tokenizer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use anyhow::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/tokenizer.rs:137:50
[INFO] [stderr]     |
[INFO] [stderr] 137 | ...                   .next_if(|c| (c.is_ascii_digit() || *c == '.'))
[INFO] [stderr]     |                                    ^                               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 137 -                                     .next_if(|c| (c.is_ascii_digit() || *c == '.'))
[INFO] [stderr] 137 +                                     .next_if(|c| c.is_ascii_digit() || *c == '.' )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parser::Expression`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use parser::Expression;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::arch::x86_64`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::arch::x86_64;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/tokenizer.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 67 | / ...                   return Some(Token::Error(format!(
[INFO] [stderr] 68 | | ...                       "[line {}] Error: Unterminated string.",
[INFO] [stderr] 69 | | ...                       self.line
[INFO] [stderr] 70 | | ...                   )));
[INFO] [stderr]    | |_________________________- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 75 |   ...                   continue;
[INFO] [stderr]    |                         ^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/tokenizer.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interpreter.rs:41:35
[INFO] [stderr]    |
[INFO] [stderr] 41 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stderr]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/interpreter.rs:41:60
[INFO] [stderr]    |
[INFO] [stderr] 41 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stderr]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interpreter.rs:72:35
[INFO] [stderr]    |
[INFO] [stderr] 72 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stderr]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/interpreter.rs:72:60
[INFO] [stderr]    |
[INFO] [stderr] 72 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stderr]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:103:35
[INFO] [stderr]     |
[INFO] [stderr] 103 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stderr]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/interpreter.rs:103:60
[INFO] [stderr]     |
[INFO] [stderr] 103 |             (RuntimeValue::String(x), RuntimeValue::String(y)) => {
[INFO] [stderr]     |                                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:113:36
[INFO] [stderr]     |
[INFO] [stderr] 113 |             (RuntimeValue::Boolean(x)) => Err(anyhow!("Can not take the negative of a boolean.")),
[INFO] [stderr]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:114:35
[INFO] [stderr]     |
[INFO] [stderr] 114 |             (RuntimeValue::String(x)) => Err(anyhow!("Operand must be a number.")),
[INFO] [stderr]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/interpreter.rs:122:14
[INFO] [stderr]     |
[INFO] [stderr] 121 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stderr]     |              ----------------------- matches all the relevant values
[INFO] [stderr] 122 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/interpreter.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             (RuntimeValue::Number(x)) => Ok(RuntimeValue::Boolean(!(x > 0.0))),
[INFO] [stderr]     |              ----------------------- matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 125 |             RuntimeValue::Number(x) => Ok(RuntimeValue::Boolean(x > 0.0)),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/interpreter.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |             (RuntimeValue::Boolean(x)) => Ok(RuntimeValue::Boolean(!(x))),
[INFO] [stderr]     |              ------------------------ matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 126 |             RuntimeValue::Boolean(x) => Ok(RuntimeValue::Boolean(x)),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/interpreter.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stderr]     |              ----------------------- matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 127 |             RuntimeValue::String(x) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:124:35
[INFO] [stderr]     |
[INFO] [stderr] 124 |             (RuntimeValue::String(x)) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stderr]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:127:34
[INFO] [stderr]     |
[INFO] [stderr] 127 |             RuntimeValue::String(x) => Ok(RuntimeValue::Boolean(false)),
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]    --> src/interpreter.rs:277:32
[INFO] [stderr]     |
[INFO] [stderr] 277 |             Expression::Binary(left, Operator::Power, right) => todo!(),
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/interpreter.rs:277:55
[INFO] [stderr]     |
[INFO] [stderr] 277 |             Expression::Binary(left, Operator::Power, right) => todo!(),
[INFO] [stderr]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]    --> src/interpreter.rs:294:32
[INFO] [stderr]     |
[INFO] [stderr] 294 |             Expression::Binary(left, Operator::Or, right) => todo!(),
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/interpreter.rs:294:52
[INFO] [stderr]     |
[INFO] [stderr] 294 |             Expression::Binary(left, Operator::Or, right) => todo!(),
[INFO] [stderr]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/parser.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Expression::Assign(s, e) => todo!(),
[INFO] [stderr]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/parser.rs:103:35
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Expression::Assign(s, e) => todo!(),
[INFO] [stderr]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:347:21
[INFO] [stderr]     |
[INFO] [stderr] 347 |                 let mut expr = self.or()?;
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/parser.rs:341:36
[INFO] [stderr]     |
[INFO] [stderr] 341 |             Some(Token::Identifier(s, _, _, _)) => {
[INFO] [stderr]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `print`
[INFO] [stderr]    --> src/parser.rs:353:13
[INFO] [stderr]     |
[INFO] [stderr] 353 |         let print = self.iter.next().context("Expected print keyword.")?;
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_print`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `semi`
[INFO] [stderr]    --> src/parser.rs:355:13
[INFO] [stderr]     |
[INFO] [stderr] 355 |         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `semi`
[INFO] [stderr]    --> src/parser.rs:361:13
[INFO] [stderr]     |
[INFO] [stderr] 361 |         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `semi`
[INFO] [stderr]    --> src/parser.rs:384:29
[INFO] [stderr]     |
[INFO] [stderr] 384 |                         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `semi`
[INFO] [stderr]    --> src/parser.rs:388:29
[INFO] [stderr]     |
[INFO] [stderr] 388 |                         let semi = self.iter.next().context("Expected ; after expression.")?;
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_semi`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/parser.rs:407:24
[INFO] [stderr]     |
[INFO] [stderr] 407 |         while let Some(token) = self.iter.peek() {
[INFO] [stderr]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/parser.rs:430:17
[INFO] [stderr]     |
[INFO] [stderr] 430 |     fn try_from(value: Token) -> Result<Self, Self::Error> {
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:51:38
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Token::LeftParen(lexeme, line, col) => {
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Token::LeftParen(lexeme, line, col) => {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:54:39
[INFO] [stderr]    |
[INFO] [stderr] 54 |             Token::RightParen(lexeme, line, col) => {
[INFO] [stderr]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:54:45
[INFO] [stderr]    |
[INFO] [stderr] 54 |             Token::RightParen(lexeme, line, col) => {
[INFO] [stderr]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:57:38
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Token::LeftBrace(lexeme, line, col) => {
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:57:44
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Token::LeftBrace(lexeme, line, col) => {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:60:39
[INFO] [stderr]    |
[INFO] [stderr] 60 |             Token::RightBrace(lexeme, line, col) => {
[INFO] [stderr]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:60:45
[INFO] [stderr]    |
[INFO] [stderr] 60 |             Token::RightBrace(lexeme, line, col) => {
[INFO] [stderr]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:63:33
[INFO] [stderr]    |
[INFO] [stderr] 63 |             Token::Star(lexeme, line, col) => write!(f, "{} {} {}", "STAR", lexeme, "null"),
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:63:39
[INFO] [stderr]    |
[INFO] [stderr] 63 |             Token::Star(lexeme, line, col) => write!(f, "{} {} {}", "STAR", lexeme, "null"),
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:64:32
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Token::Dot(lexeme, line, col) => write!(f, "{} {} {}", "DOT", lexeme, "null"),
[INFO] [stderr]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:64:38
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Token::Dot(lexeme, line, col) => write!(f, "{} {} {}", "DOT", lexeme, "null"),
[INFO] [stderr]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:65:34
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Token::Comma(lexeme, line, col) => write!(f, "{} {} {}", "COMMA", lexeme, "null"),
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:65:40
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Token::Comma(lexeme, line, col) => write!(f, "{} {} {}", "COMMA", lexeme, "null"),
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:66:33
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Token::Plus(lexeme, line, col) => write!(f, "{} {} {}", "PLUS", lexeme, "null"),
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:66:39
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Token::Plus(lexeme, line, col) => write!(f, "{} {} {}", "PLUS", lexeme, "null"),
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Token::Minus(lexeme, line, col) => write!(f, "{} {} {}", "MINUS", lexeme, "null"),
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:67:40
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Token::Minus(lexeme, line, col) => write!(f, "{} {} {}", "MINUS", lexeme, "null"),
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:68:38
[INFO] [stderr]    |
[INFO] [stderr] 68 |             Token::Semicolon(lexeme, line, col) => {
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:68:44
[INFO] [stderr]    |
[INFO] [stderr] 68 |             Token::Semicolon(lexeme, line, col) => {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:71:34
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Token::Slash(lexeme, line, col) => write!(f, "{} {} {}", "SLASH", lexeme, "null"),
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Token::Slash(lexeme, line, col) => write!(f, "{} {} {}", "SLASH", lexeme, "null"),
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:72:35
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Token::Number(lexeme, line, col, ident) => {
[INFO] [stderr]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:72:41
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Token::Number(lexeme, line, col, ident) => {
[INFO] [stderr]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:83:39
[INFO] [stderr]    |
[INFO] [stderr] 83 |             Token::Identifier(lexeme, line, col, ident) => {
[INFO] [stderr]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:83:45
[INFO] [stderr]    |
[INFO] [stderr] 83 |             Token::Identifier(lexeme, line, col, ident) => {
[INFO] [stderr]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/token.rs:83:50
[INFO] [stderr]    |
[INFO] [stderr] 83 |             Token::Identifier(lexeme, line, col, ident) => {
[INFO] [stderr]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:86:34
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Token::Equal(lexeme, line, col) => write!(f, "{} {} {}", "EQUAL", lexeme, "null"),
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:86:40
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Token::Equal(lexeme, line, col) => write!(f, "{} {} {}", "EQUAL", lexeme, "null"),
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:87:39
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Token::EqualEqual(lexeme, line, col) => {
[INFO] [stderr]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:87:45
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Token::EqualEqual(lexeme, line, col) => {
[INFO] [stderr]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |             Token::Colon(lexeme, line, col) => write!(f, "{} {} {}", "COLON", lexeme, "null"),
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:90:40
[INFO] [stderr]    |
[INFO] [stderr] 90 |             Token::Colon(lexeme, line, col) => write!(f, "{} {} {}", "COLON", lexeme, "null"),
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Token::Bang(lexeme, line, col) => write!(f, "{} {} {}", "BANG", lexeme, "null"),
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:91:39
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Token::Bang(lexeme, line, col) => write!(f, "{} {} {}", "BANG", lexeme, "null"),
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:92:38
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Token::BangEqual(lexeme, line, col) => {
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:92:44
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Token::BangEqual(lexeme, line, col) => {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:95:33
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Token::Less(lexeme, line, col) => write!(f, "{} {} {}", "LESS", lexeme, "null"),
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:95:39
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Token::Less(lexeme, line, col) => write!(f, "{} {} {}", "LESS", lexeme, "null"),
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:96:38
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Token::LessEqual(lexeme, line, col) => {
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:96:44
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Token::LessEqual(lexeme, line, col) => {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/token.rs:99:36
[INFO] [stderr]    |
[INFO] [stderr] 99 |             Token::Greater(lexeme, line, col) => write!(f, "{} {} {}", "GREATER", lexeme, "null"),
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/token.rs:99:42
[INFO] [stderr]    |
[INFO] [stderr] 99 |             Token::Greater(lexeme, line, col) => write!(f, "{} {} {}", "GREATER", lexeme, "null"),
[INFO] [stderr]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:100:41
[INFO] [stderr]     |
[INFO] [stderr] 100 |             Token::GreaterEqual(lexeme, line, col) => {
[INFO] [stderr]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:100:47
[INFO] [stderr]     |
[INFO] [stderr] 100 |             Token::GreaterEqual(lexeme, line, col) => {
[INFO] [stderr]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:103:35
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Token::String(lexeme, line, col, ident) => {
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:103:41
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Token::String(lexeme, line, col, ident) => {
[INFO] [stderr]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:106:32
[INFO] [stderr]     |
[INFO] [stderr] 106 |             Token::And(lexeme, line, col) => write!(f, "{} {} {}", "AND", lexeme, "null"),
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:106:38
[INFO] [stderr]     |
[INFO] [stderr] 106 |             Token::And(lexeme, line, col) => write!(f, "{} {} {}", "AND", lexeme, "null"),
[INFO] [stderr]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:107:34
[INFO] [stderr]     |
[INFO] [stderr] 107 |             Token::Class(lexeme, line, col) => write!(f, "{} {} {}", "CLASS", lexeme, "null"),
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:107:40
[INFO] [stderr]     |
[INFO] [stderr] 107 |             Token::Class(lexeme, line, col) => write!(f, "{} {} {}", "CLASS", lexeme, "null"),
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:108:33
[INFO] [stderr]     |
[INFO] [stderr] 108 |             Token::Else(lexeme, line, col) => write!(f, "{} {} {}", "ELSE", lexeme, "null"),
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:108:39
[INFO] [stderr]     |
[INFO] [stderr] 108 |             Token::Else(lexeme, line, col) => write!(f, "{} {} {}", "ELSE", lexeme, "null"),
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:109:34
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Token::False(lexeme, line, col) => write!(f, "{} {} {}", "FALSE", lexeme, "null"),
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:109:40
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Token::False(lexeme, line, col) => write!(f, "{} {} {}", "FALSE", lexeme, "null"),
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:110:32
[INFO] [stderr]     |
[INFO] [stderr] 110 |             Token::For(lexeme, line, col) => write!(f, "{} {} {}", "FOR", lexeme, "null"),
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:110:38
[INFO] [stderr]     |
[INFO] [stderr] 110 |             Token::For(lexeme, line, col) => write!(f, "{} {} {}", "FOR", lexeme, "null"),
[INFO] [stderr]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:111:32
[INFO] [stderr]     |
[INFO] [stderr] 111 |             Token::Fun(lexeme, line, col) => write!(f, "{} {} {}", "FUN", lexeme, "null"),
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:111:38
[INFO] [stderr]     |
[INFO] [stderr] 111 |             Token::Fun(lexeme, line, col) => write!(f, "{} {} {}", "FUN", lexeme, "null"),
[INFO] [stderr]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:112:31
[INFO] [stderr]     |
[INFO] [stderr] 112 |             Token::If(lexeme, line, col) => write!(f, "{} {} {}", "IF", lexeme, "null"),
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:112:37
[INFO] [stderr]     |
[INFO] [stderr] 112 |             Token::If(lexeme, line, col) => write!(f, "{} {} {}", "IF", lexeme, "null"),
[INFO] [stderr]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:113:32
[INFO] [stderr]     |
[INFO] [stderr] 113 |             Token::Nil(lexeme, line, col) => write!(f, "{} {} {}", "NIL", lexeme, "null"),
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:113:38
[INFO] [stderr]     |
[INFO] [stderr] 113 |             Token::Nil(lexeme, line, col) => write!(f, "{} {} {}", "NIL", lexeme, "null"),
[INFO] [stderr]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:114:31
[INFO] [stderr]     |
[INFO] [stderr] 114 |             Token::Or(lexeme, line, col) => write!(f, "{} {} {}", "OR", lexeme, "null"),
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:114:37
[INFO] [stderr]     |
[INFO] [stderr] 114 |             Token::Or(lexeme, line, col) => write!(f, "{} {} {}", "OR", lexeme, "null"),
[INFO] [stderr]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:115:34
[INFO] [stderr]     |
[INFO] [stderr] 115 |             Token::Print(lexeme, line, col) => write!(f, "{} {} {}", "PRINT", lexeme, "null"),
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:115:40
[INFO] [stderr]     |
[INFO] [stderr] 115 |             Token::Print(lexeme, line, col) => write!(f, "{} {} {}", "PRINT", lexeme, "null"),
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:116:35
[INFO] [stderr]     |
[INFO] [stderr] 116 |             Token::Return(lexeme, line, col) => write!(f, "{} {} {}", "RETURN", lexeme, "null"),
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:116:41
[INFO] [stderr]     |
[INFO] [stderr] 116 |             Token::Return(lexeme, line, col) => write!(f, "{} {} {}", "RETURN", lexeme, "null"),
[INFO] [stderr]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:117:34
[INFO] [stderr]     |
[INFO] [stderr] 117 |             Token::Super(lexeme, line, col) => write!(f, "{} {} {}", "SUPER", lexeme, "null"),
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:117:40
[INFO] [stderr]     |
[INFO] [stderr] 117 |             Token::Super(lexeme, line, col) => write!(f, "{} {} {}", "SUPER", lexeme, "null"),
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:118:33
[INFO] [stderr]     |
[INFO] [stderr] 118 |             Token::This(lexeme, line, col) => write!(f, "{} {} {}", "THIS", lexeme, "null"),
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:118:39
[INFO] [stderr]     |
[INFO] [stderr] 118 |             Token::This(lexeme, line, col) => write!(f, "{} {} {}", "THIS", lexeme, "null"),
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:119:33
[INFO] [stderr]     |
[INFO] [stderr] 119 |             Token::True(lexeme, line, col) => write!(f, "{} {} {}", "TRUE", lexeme, "null"),
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:119:39
[INFO] [stderr]     |
[INFO] [stderr] 119 |             Token::True(lexeme, line, col) => write!(f, "{} {} {}", "TRUE", lexeme, "null"),
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:120:32
[INFO] [stderr]     |
[INFO] [stderr] 120 |             Token::Var(lexeme, line, col) => write!(f, "{} {} {}", "VAR", lexeme, "null"),
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:120:38
[INFO] [stderr]     |
[INFO] [stderr] 120 |             Token::Var(lexeme, line, col) => write!(f, "{} {} {}", "VAR", lexeme, "null"),
[INFO] [stderr]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/token.rs:121:34
[INFO] [stderr]     |
[INFO] [stderr] 121 |             Token::While(lexeme, line, col) => write!(f, "{} {} {}", "WHILE", lexeme, "null"),
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/token.rs:121:40
[INFO] [stderr]     |
[INFO] [stderr] 121 |             Token::While(lexeme, line, col) => write!(f, "{} {} {}", "WHILE", lexeme, "null"),
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |                         _ => {
[INFO] [stderr]     |                         ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/main.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr]  89 |                         Ok(RuntimeValue::Number(x)) => {
[INFO] [stderr]     |                         --------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr]  92 |                         Ok(RuntimeValue::String(x)) => {
[INFO] [stderr]     |                         --------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr]  95 |                         Ok(RuntimeValue::Boolean(x)) => {
[INFO] [stderr]     |                         ---------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr]  98 |                         Ok(RuntimeValue::Nil) => {
[INFO] [stderr]     |                         --------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 106 |                         _ => {
[INFO] [stderr]     |                         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 Err(e) => {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Power` is never constructed
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum Operator {
[INFO] [stderr]    |          -------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 17 |     Power,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Operator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Assign` is never constructed
[INFO] [stderr]   --> src/parser.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub enum Expression {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 37 |     Assign(String, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `assert_next`, `operator`, `peek`, and `next` are never used
[INFO] [stderr]    --> src/parser.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 110 | impl<'a> Parser<'a> {
[INFO] [stderr]     | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 114 |     fn assert_next(&mut self, token: Token) -> Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 124 |     fn operator(&mut self) -> Result<Operator> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 421 |     fn peek(&mut self) -> Option<&Token> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 424 |     fn next(&mut self) -> Option<Token> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EndOfFile` is never constructed
[INFO] [stderr]   --> src/token.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr]  4 | pub enum Token {
[INFO] [stderr]    |          ----- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 45 |     EndOfFile,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:43:25
[INFO] [stderr]    |
[INFO] [stderr] 43 |                         writeln!(io::stderr(), "{}", err);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 43 |                         let _ = writeln!(io::stderr(), "{}", err);
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:103:29
[INFO] [stderr]     |
[INFO] [stderr] 103 | ...                   writeln!(io::stderr(), "{}", e);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 103 |                             let _ = writeln!(io::stderr(), "{}", e);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:138:29
[INFO] [stderr]     |
[INFO] [stderr] 138 | ...                   writeln!(io::stderr(), "{}", e);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 138 |                             let _ = writeln!(io::stderr(), "{}", e);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             writeln!(io::stderr(), "Unknown command: {}", command);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 150 |             let _ = writeln!(io::stderr(), "Unknown command: {}", command);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/tokenizer.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn iter(&self) -> TokenIter {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn iter(&self) -> TokenIter<'_> {
[INFO] [stderr]    |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `codecrafters-interpreter` (bin "codecrafters-interpreter" test) generated 147 warnings (run `cargo fix --bin "codecrafters-interpreter" -p codecrafters-interpreter --tests` to apply 132 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codecrafters_interpreter-7944824d324b5b4d)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test interpreter::test_add ... ok
[INFO] [stdout] test interpreter::test_bool_logic ... ok
[INFO] [stdout] test interpreter::test_bool_nil_asd ... ok
[INFO] [stdout] test interpreter::test_long_math_expr ... ok
[INFO] [stdout] test interpreter::test_overflow ... ok
[INFO] [stdout] test parser::test_boolean ... ok
[INFO] [stdout] test parser::test_iterator ... ok
[INFO] [stdout] test parser::test_unary ... ok
[INFO] [stdout] test tokenizer::test_iterator ... ok
[INFO] [stdout] test parser::test_boolean_2 ... ok
[INFO] [stdout] test parser::test_term ... ok
[INFO] [stdout] test interpreter::test_var_decl ... FAILED
[INFO] [stdout] test interpreter::test_bool_nil ... ok
[INFO] [stdout] test interpreter::test_add_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- interpreter::test_var_decl stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'interpreter::test_var_decl' (32) panicked at src/interpreter.rs:406:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Unexpected
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl anyhow::Error>::msg
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.86/src/backtrace.rs:27:14
[INFO] [stdout]    1: anyhow::__private::format_err
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.86/src/lib.rs:689:13
[INFO] [stdout]    2: codecrafters_interpreter::parser::Parser::primary
[INFO] [stdout]              at ./src/parser.rs:192:22
[INFO] [stdout]    3: codecrafters_interpreter::parser::Parser::uanary
[INFO] [stdout]              at ./src/parser.rs:210:23
[INFO] [stdout]    4: codecrafters_interpreter::parser::Parser::factor
[INFO] [stdout]              at ./src/parser.rs:214:29
[INFO] [stdout]    5: codecrafters_interpreter::parser::Parser::term
[INFO] [stdout]              at ./src/parser.rs:234:29
[INFO] [stdout]    6: codecrafters_interpreter::parser::Parser::comparison
[INFO] [stdout]              at ./src/parser.rs:254:29
[INFO] [stdout]    7: codecrafters_interpreter::parser::Parser::equality
[INFO] [stdout]              at ./src/parser.rs:286:29
[INFO] [stdout]    8: codecrafters_interpreter::parser::Parser::and
[INFO] [stdout]              at ./src/parser.rs:307:29
[INFO] [stdout]    9: codecrafters_interpreter::parser::Parser::or
[INFO] [stdout]              at ./src/parser.rs:322:29
[INFO] [stdout]   10: codecrafters_interpreter::parser::Parser::expression
[INFO] [stdout]              at ./src/parser.rs:347:37
[INFO] [stdout]   11: codecrafters_interpreter::parser::Parser::expr_stmt
[INFO] [stdout]              at ./src/parser.rs:360:30
[INFO] [stdout]   12: codecrafters_interpreter::parser::Parser::statement
[INFO] [stdout]              at ./src/parser.rs:370:22
[INFO] [stdout]   13: codecrafters_interpreter::parser::Parser::declaration
[INFO] [stdout]              at ./src/parser.rs:401:23
[INFO] [stdout]   14: codecrafters_interpreter::parser::Parser::program
[INFO] [stdout]              at ./src/parser.rs:408:34
[INFO] [stdout]   15: codecrafters_interpreter::parser::Parser::parse_program
[INFO] [stdout]              at ./src/parser.rs:414:24
[INFO] [stdout]   16: codecrafters_interpreter::interpreter::test_var_decl
[INFO] [stdout]              at ./src/interpreter.rs:406:30
[INFO] [stdout]   17: codecrafters_interpreter::interpreter::test_var_decl::{{closure}}
[INFO] [stdout]              at ./src/interpreter.rs:401:19
[INFO] [stdout]   18: core::ops::function::FnOnce::call_once
[INFO] [stderr] error: test failed, to rerun pass `--bin codecrafters-interpreter`
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   19: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   20: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   21: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   22: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   23: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   26: test::run_test_in_process
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   27: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   28: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   29: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   30: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   31: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   33: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   34: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   35: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   36: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   37: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   38: std::sys::thread::unix::Thread::new::thread_start
[INFO] [stdout]              at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   39: <unknown>
[INFO] [stdout]   40: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5acc4fe3b3d2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5acc4fe3b3d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5acc4fe3b3d2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5acc4fe3b3d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5acc4fe4b8ef - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5acc4fe4b8ef - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5acc4fe07cc3 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5acc4fe07cc3 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5acc4fe13a62 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5acc4fe18ebf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5acc4fe18d51 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5acc4fdd1c6e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5acc4fdd1c6e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5acc4fe194cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5acc4fe194cf - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5acc4fe1932a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5acc4fe13b99 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5acc4fdfc48d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5acc4fe54e80 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5acc4fe54376 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x5acc4fd8daf7 - core::result::Result<T,E>::unwrap::hc60b2f8e051f822e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5acc4fd8daf7 - codecrafters_interpreter::interpreter::test_var_decl::hffc0d41a8db98ac8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:406:46
[INFO] [stdout]   22:     0x5acc4fd8dc67 - codecrafters_interpreter::interpreter::test_var_decl::{{closure}}::h06767a24442ccd2c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:401:19
[INFO] [stdout]   23:     0x5acc4fda90c6 - core::ops::function::FnOnce::call_once::h8031e1a8fbe3b96f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5acc4fdd1a6b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5acc4fdd1a6b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5acc4fde5acd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5acc4fde5acd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5acc4fde5acd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5acc4fde5acd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5acc4fde5acd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5acc4fde5acd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5acc4fde5acd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5acc4fdbf014 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5acc4fdbf014 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5acc4fdc286a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x5acc4fdc286a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5acc4fdc286a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5acc4fdc286a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5acc4fdc286a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5acc4fdc286a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x5acc4fdc286a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5acc4fe0ef9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x5acc4fe0ef9f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x776120225aa4 - <unknown>
[INFO] [stdout]   45:     0x7761202b2a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     interpreter::test_var_decl
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e90f8db0ac5b3598831d35f20d17382de90497000a10ca5d341e7f51d47d3337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90f8db0ac5b3598831d35f20d17382de90497000a10ca5d341e7f51d47d3337", kill_on_drop: false }`
[INFO] [stdout] e90f8db0ac5b3598831d35f20d17382de90497000a10ca5d341e7f51d47d3337
