[INFO] cloning repository https://github.com/Adamantiamable/rustInterpreterLux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Adamantiamable/rustInterpreterLux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamantiamable%2FrustInterpreterLux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamantiamable%2FrustInterpreterLux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 761c8fcaef26d7a9b2ab07ea2aa9466e4e8e6e9d
[INFO] testing Adamantiamable/rustInterpreterLux against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamantiamable%2FrustInterpreterLux" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Adamantiamable/rustInterpreterLux
[INFO] finished tweaking git repo https://github.com/Adamantiamable/rustInterpreterLux
[INFO] tweaked toml for git repo https://github.com/Adamantiamable/rustInterpreterLux written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Adamantiamable/rustInterpreterLux on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Adamantiamable/rustInterpreterLux 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b22b7b55573ff1602e4874edabded08294b12e3eac0886abe2fdf1431725a935
[INFO] running `Command { std: "docker" "start" "-a" "b22b7b55573ff1602e4874edabded08294b12e3eac0886abe2fdf1431725a935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b22b7b55573ff1602e4874edabded08294b12e3eac0886abe2fdf1431725a935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22b7b55573ff1602e4874edabded08294b12e3eac0886abe2fdf1431725a935", kill_on_drop: false }`
[INFO] [stdout] b22b7b55573ff1602e4874edabded08294b12e3eac0886abe2fdf1431725a935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c1a6987a8963da0614f7138747c8fd696b75f135bf42c104b33fb7ef7b192c8
[INFO] running `Command { std: "docker" "start" "-a" "8c1a6987a8963da0614f7138747c8fd696b75f135bf42c104b33fb7ef7b192c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lux_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lox::parser::Parser`
[INFO] [stdout]  --> src/lox/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::lox::parser::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ast`
[INFO] [stdout]  --> src/lox/parser.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tool::generate_ast::{Ast, Expr, LiteralValue, Stmt};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lox/parser.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lox::error_manager::{self, ErrorManager};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lox::token::TokenType`
[INFO] [stdout]  --> src/lox/interpreter.rs:2:81
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{lox::error_manager::ErrorManager, tool::generate_ast::{Expr, Stmt}, lox::token::TokenType};
[INFO] [stdout]   |                                                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lox/interpreter.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lox::error_manager::{self, Error};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lox/interpreter.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     "-" => match (&right_value) {
[INFO] [stdout]    |                                  ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -                     "-" => match (&right_value) {
[INFO] [stdout] 91 +                     "-" => match &right_value {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lox/interpreter.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     "!" => match (&right_value) {
[INFO] [stdout]    |                                  ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -                     "!" => match (&right_value) {
[INFO] [stdout] 95 +                     "!" => match &right_value {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/lox/interpreter.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |                         (LiteralValue::Boolean(r)) => Ok(LiteralValue::Boolean(!r)),
[INFO] [stdout]    |                         ^                        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -                         (LiteralValue::Boolean(r)) => Ok(LiteralValue::Boolean(!r)),
[INFO] [stdout] 96 +                         LiteralValue::Boolean(r) => Ok(LiteralValue::Boolean(!r)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lox::token::Token`
[INFO] [stdout]  --> src/lox/environment.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::lox::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/tool/ast_printer.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lox::token::{Token, TokenType};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox/lexer.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut error_reporter = self.error_reporter.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox/lexer.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut tokens = scanner.scan_tokens();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox/lexer.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut statements = parser.parse();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_decimal` is assigned to, but never used
[INFO] [stdout]    --> src/lox/scanner.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut has_decimal = false;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_has_decimal` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_decimal` is never read
[INFO] [stdout]    --> src/lox/scanner.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             has_decimal = true;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/lox/scanner.rs:253:17
[INFO] [stdout]     |
[INFO] [stdout] 253 |             let start = self.current;
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lox/interpreter.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             _ => Err(self.error_manager.borrow_mut().report_runtime_error(
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lox/interpreter.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 34  |             Expr::Literal{value} => {
[INFO] [stdout]     |             -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 37  |             Expr::Binary { left, operator, right } => {
[INFO] [stdout]     |             -------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 88  |             Expr::Unary { operator, right } => {
[INFO] [stdout]     |             ------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 103 |             Expr::Grouping { expression } => {
[INFO] [stdout]     |             ----------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 155 |             _ => Err(self.error_manager.borrow_mut().report_runtime_error(
[INFO] [stdout]     |             ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/tool/generate_ast.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         for stmt in &self.statements_list {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/lox/token.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lox/error_manager.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Runtime(String),
[INFO] [stdout]   |     ------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 -     Runtime(String),
[INFO] [stdout] 3 +     Runtime(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lox/error_manager.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Other(String),
[INFO] [stdout]   |     ----- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 -     Other(String),
[INFO] [stdout] 4 +     Other(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token` and `message` are never read
[INFO] [stdout]   --> src/lox/parser.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ParseError {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 9  |     token: Token,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronize` is never used
[INFO] [stdout]   --> src/lox/parser.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Parser {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn synchronize(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keyword` and `value` are never read
[INFO] [stdout]   --> src/tool/generate_ast.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Return {
[INFO] [stdout]    |     ------ fields in this variant
[INFO] [stdout] 63 |         keyword: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 64 |         value: Option<Expr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Function`, `Class`, `Break`, `Continue`, `Empty`, and `Error` are never constructed
[INFO] [stdout]   --> src/tool/generate_ast.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Stmt {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 57 |     Function {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     Class {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     Break,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 72 |     Continue,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 73 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 74 |     Error(String), // For error handling
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ast` is never constructed
[INFO] [stdout]   --> src/tool/generate_ast.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct Ast {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `generate_ast` are never used
[INFO] [stdout]   --> src/tool/generate_ast.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl Ast {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 86 |     pub fn new(statements_list: Vec<Stmt>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn generate_ast(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `main` is never used
[INFO] [stdout]   --> src/tool/ast_printer.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl AstPrinter {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn main() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lox/lexer.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         interpreter.interpret(statements);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let _ = interpreter.interpret(statements);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lox/parser.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 | /             self.error(
[INFO] [stdout] 94 | |                 &peeked_token, 
[INFO] [stdout] 95 | |                 message);
[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] 93 |             let _ = self.error(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "8c1a6987a8963da0614f7138747c8fd696b75f135bf42c104b33fb7ef7b192c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1a6987a8963da0614f7138747c8fd696b75f135bf42c104b33fb7ef7b192c8", kill_on_drop: false }`
[INFO] [stdout] 8c1a6987a8963da0614f7138747c8fd696b75f135bf42c104b33fb7ef7b192c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 019e1839a8d79813a08f0e04f510981387e48f8f7dd37e88abea93fd8b3aecb7
[INFO] running `Command { std: "docker" "start" "-a" "019e1839a8d79813a08f0e04f510981387e48f8f7dd37e88abea93fd8b3aecb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lux_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lox::parser::Parser`
[INFO] [stdout]  --> src/lox/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::lox::parser::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ast`
[INFO] [stdout]  --> src/lox/parser.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tool::generate_ast::{Ast, Expr, LiteralValue, Stmt};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lox/parser.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lox::error_manager::{self, ErrorManager};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lox::token::TokenType`
[INFO] [stdout]  --> src/lox/interpreter.rs:2:81
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{lox::error_manager::ErrorManager, tool::generate_ast::{Expr, Stmt}, lox::token::TokenType};
[INFO] [stdout]   |                                                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lox/interpreter.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lox::error_manager::{self, Error};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lox/interpreter.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     "-" => match (&right_value) {
[INFO] [stdout]    |                                  ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -                     "-" => match (&right_value) {
[INFO] [stdout] 91 +                     "-" => match &right_value {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lox/interpreter.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     "!" => match (&right_value) {
[INFO] [stdout]    |                                  ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -                     "!" => match (&right_value) {
[INFO] [stdout] 95 +                     "!" => match &right_value {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/lox/interpreter.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |                         (LiteralValue::Boolean(r)) => Ok(LiteralValue::Boolean(!r)),
[INFO] [stdout]    |                         ^                        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -                         (LiteralValue::Boolean(r)) => Ok(LiteralValue::Boolean(!r)),
[INFO] [stdout] 96 +                         LiteralValue::Boolean(r) => Ok(LiteralValue::Boolean(!r)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lox::token::Token`
[INFO] [stdout]  --> src/lox/environment.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::lox::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/tool/ast_printer.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lox::token::{Token, TokenType};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox/lexer.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut error_reporter = self.error_reporter.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox/lexer.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut tokens = scanner.scan_tokens();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox/lexer.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut statements = parser.parse();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_decimal` is assigned to, but never used
[INFO] [stdout]    --> src/lox/scanner.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut has_decimal = false;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_has_decimal` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_decimal` is never read
[INFO] [stdout]    --> src/lox/scanner.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             has_decimal = true;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/lox/scanner.rs:253:17
[INFO] [stdout]     |
[INFO] [stdout] 253 |             let start = self.current;
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lox/interpreter.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             _ => Err(self.error_manager.borrow_mut().report_runtime_error(
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lox/interpreter.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 34  |             Expr::Literal{value} => {
[INFO] [stdout]     |             -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 37  |             Expr::Binary { left, operator, right } => {
[INFO] [stdout]     |             -------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 88  |             Expr::Unary { operator, right } => {
[INFO] [stdout]     |             ------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 103 |             Expr::Grouping { expression } => {
[INFO] [stdout]     |             ----------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 155 |             _ => Err(self.error_manager.borrow_mut().report_runtime_error(
[INFO] [stdout]     |             ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]   --> src/tool/generate_ast.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         for stmt in &self.statements_list {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/lox/token.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lox/error_manager.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Runtime(String),
[INFO] [stdout]   |     ------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 -     Runtime(String),
[INFO] [stdout] 3 +     Runtime(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lox/error_manager.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Other(String),
[INFO] [stdout]   |     ----- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 -     Other(String),
[INFO] [stdout] 4 +     Other(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token` and `message` are never read
[INFO] [stdout]   --> src/lox/parser.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ParseError {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 9  |     token: Token,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronize` is never used
[INFO] [stdout]   --> src/lox/parser.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Parser {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn synchronize(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keyword` and `value` are never read
[INFO] [stdout]   --> src/tool/generate_ast.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Return {
[INFO] [stdout]    |     ------ fields in this variant
[INFO] [stdout] 63 |         keyword: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 64 |         value: Option<Expr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Function`, `Class`, `Break`, `Continue`, `Empty`, and `Error` are never constructed
[INFO] [stdout]   --> src/tool/generate_ast.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Stmt {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 57 |     Function {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     Class {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     Break,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 72 |     Continue,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 73 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 74 |     Error(String), // For error handling
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ast` is never constructed
[INFO] [stdout]   --> src/tool/generate_ast.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct Ast {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `generate_ast` are never used
[INFO] [stdout]   --> src/tool/generate_ast.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl Ast {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 86 |     pub fn new(statements_list: Vec<Stmt>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn generate_ast(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `main` is never used
[INFO] [stdout]   --> src/tool/ast_printer.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl AstPrinter {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn main() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lox/lexer.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         interpreter.interpret(statements);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let _ = interpreter.interpret(statements);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lox/parser.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 | /             self.error(
[INFO] [stdout] 94 | |                 &peeked_token, 
[INFO] [stdout] 95 | |                 message);
[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] 93 |             let _ = self.error(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "019e1839a8d79813a08f0e04f510981387e48f8f7dd37e88abea93fd8b3aecb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019e1839a8d79813a08f0e04f510981387e48f8f7dd37e88abea93fd8b3aecb7", kill_on_drop: false }`
[INFO] [stdout] 019e1839a8d79813a08f0e04f510981387e48f8f7dd37e88abea93fd8b3aecb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f85534460074a084c1b6e555e92960357a465f1633f9f3061a9f2a126860ac16
[INFO] running `Command { std: "docker" "start" "-a" "f85534460074a084c1b6e555e92960357a465f1633f9f3061a9f2a126860ac16", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::lox::parser::Parser`
[INFO] [stderr]  --> src/lox/lexer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::lox::parser::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ast`
[INFO] [stderr]  --> src/lox/parser.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::tool::generate_ast::{Ast, Expr, LiteralValue, Stmt};
[INFO] [stderr]   |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/lox/parser.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::lox::error_manager::{self, ErrorManager};
[INFO] [stderr]   |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lox::token::TokenType`
[INFO] [stderr]  --> src/lox/interpreter.rs:2:81
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::{lox::error_manager::ErrorManager, tool::generate_ast::{Expr, Stmt}, lox::token::TokenType};
[INFO] [stderr]   |                                                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/lox/interpreter.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::lox::error_manager::{self, Error};
[INFO] [stderr]   |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> src/lox/interpreter.rs:91:34
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     "-" => match (&right_value) {
[INFO] [stderr]    |                                  ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 91 -                     "-" => match (&right_value) {
[INFO] [stderr] 91 +                     "-" => match &right_value {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> src/lox/interpreter.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     "!" => match (&right_value) {
[INFO] [stderr]    |                                  ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 95 -                     "!" => match (&right_value) {
[INFO] [stderr] 95 +                     "!" => match &right_value {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/lox/interpreter.rs:96:25
[INFO] [stderr]    |
[INFO] [stderr] 96 |                         (LiteralValue::Boolean(r)) => Ok(LiteralValue::Boolean(!r)),
[INFO] [stderr]    |                         ^                        ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 96 -                         (LiteralValue::Boolean(r)) => Ok(LiteralValue::Boolean(!r)),
[INFO] [stderr] 96 +                         LiteralValue::Boolean(r) => Ok(LiteralValue::Boolean(!r)),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lox::token::Token`
[INFO] [stderr]  --> src/lox/environment.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::lox::token::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TokenType` and `Token`
[INFO] [stderr]  --> src/tool/ast_printer.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::lox::token::{Token, TokenType};
[INFO] [stderr]   |                         ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lox/lexer.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut error_reporter = self.error_reporter.clone();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lox/lexer.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut tokens = scanner.scan_tokens();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lox/lexer.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut statements = parser.parse();
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_decimal` is assigned to, but never used
[INFO] [stderr]    --> src/lox/scanner.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let mut has_decimal = false;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_has_decimal` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_decimal` is never read
[INFO] [stderr]    --> src/lox/scanner.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             has_decimal = true;
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/lox/scanner.rs:253:17
[INFO] [stderr]     |
[INFO] [stderr] 253 |             let start = self.current;
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lox/interpreter.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |             _ => Err(self.error_manager.borrow_mut().report_runtime_error(
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/lox/interpreter.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 34  |             Expr::Literal{value} => {
[INFO] [stderr]     |             -------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 37  |             Expr::Binary { left, operator, right } => {
[INFO] [stderr]     |             -------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 88  |             Expr::Unary { operator, right } => {
[INFO] [stderr]     |             ------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 103 |             Expr::Grouping { expression } => {
[INFO] [stderr]     |             ----------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 155 |             _ => Err(self.error_manager.borrow_mut().report_runtime_error(
[INFO] [stderr]     |             ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stmt`
[INFO] [stderr]   --> src/tool/generate_ast.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         for stmt in &self.statements_list {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_string` is never used
[INFO] [stderr]   --> src/lox/token.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Token {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/lox/error_manager.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Runtime(String),
[INFO] [stderr]   |     ------- ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 3 -     Runtime(String),
[INFO] [stderr] 3 +     Runtime(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/lox/error_manager.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Other(String),
[INFO] [stderr]   |     ----- ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 4 -     Other(String),
[INFO] [stderr] 4 +     Other(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `token` and `message` are never read
[INFO] [stderr]   --> src/lox/parser.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub struct ParseError {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 9  |     token: Token,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 10 |     message: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `synchronize` is never used
[INFO] [stderr]   --> src/lox/parser.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl Parser {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 72 |     fn synchronize(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `keyword` and `value` are never read
[INFO] [stderr]   --> src/tool/generate_ast.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     Return {
[INFO] [stderr]    |     ------ fields in this variant
[INFO] [stderr] 63 |         keyword: String,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 64 |         value: Option<Expr>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Function`, `Class`, `Break`, `Continue`, `Empty`, and `Error` are never constructed
[INFO] [stderr]   --> src/tool/generate_ast.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub enum Stmt {
[INFO] [stderr]    |          ---- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 57 |     Function {
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     Class {
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 71 |     Break,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 72 |     Continue,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 73 |     Empty,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 74 |     Error(String), // For error handling
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ast` is never constructed
[INFO] [stderr]   --> src/tool/generate_ast.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub struct Ast {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `generate_ast` are never used
[INFO] [stderr]   --> src/tool/generate_ast.rs:86:12
[INFO] [stderr]    |
[INFO] [stderr] 85 | impl Ast {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 86 |     pub fn new(statements_list: Vec<Stmt>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 93 |     pub fn generate_ast(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `main` is never used
[INFO] [stderr]   --> src/tool/ast_printer.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 5  | impl AstPrinter {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn main() {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lox/lexer.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         interpreter.interpret(statements);
[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)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let _ = interpreter.interpret(statements);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lox/parser.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 | /             self.error(
[INFO] [stderr] 94 | |                 &peeked_token, 
[INFO] [stderr] 95 | |                 message);
[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] 93 |             let _ = self.error(
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `lux_interpreter` (bin "lux_interpreter" test) generated 30 warnings (run `cargo fix --bin "lux_interpreter" --tests` to apply 13 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lux_interpreter-4b714be03928545b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f85534460074a084c1b6e555e92960357a465f1633f9f3061a9f2a126860ac16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85534460074a084c1b6e555e92960357a465f1633f9f3061a9f2a126860ac16", kill_on_drop: false }`
[INFO] [stdout] f85534460074a084c1b6e555e92960357a465f1633f9f3061a9f2a126860ac16
