[INFO] cloning repository https://github.com/thuchede/lox-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thuchede/lox-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Flox-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Flox-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 879a84f44161a01b8577092ff037a20520c6511e
[INFO] testing thuchede/lox-interpreter against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Flox-interpreter" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thuchede/lox-interpreter
[INFO] finished tweaking git repo https://github.com/thuchede/lox-interpreter
[INFO] tweaked toml for git repo https://github.com/thuchede/lox-interpreter written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thuchede/lox-interpreter on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thuchede/lox-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7830e468168f424d30a0a97cf70953cc0d141fa7eb4043aee4f8d856c8c8a3c
[INFO] running `Command { std: "docker" "start" "-a" "d7830e468168f424d30a0a97cf70953cc0d141fa7eb4043aee4f8d856c8c8a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7830e468168f424d30a0a97cf70953cc0d141fa7eb4043aee4f8d856c8c8a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7830e468168f424d30a0a97cf70953cc0d141fa7eb4043aee4f8d856c8c8a3c", kill_on_drop: false }`
[INFO] [stdout] d7830e468168f424d30a0a97cf70953cc0d141fa7eb4043aee4f8d856c8c8a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 113b59fdb9935ff48c3cc9f293f248ebd191a0fba3d6ef9ea6172befc99b1f43
[INFO] running `Command { std: "docker" "start" "-a" "113b59fdb9935ff48c3cc9f293f248ebd191a0fba3d6ef9ea6172befc99b1f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling lox-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::BufWriter`
[INFO] [stdout]  --> src/ast_printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufWriter;
[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: `std::ops::Add`
[INFO] [stdout]  --> src/ast_printer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/expression.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::PartialEq`
[INFO] [stdout]  --> src/lox_parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/token.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn run_file(filename: &String) -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_prompt` is never used
[INFO] [stdout]   --> src/main.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn run_prompt() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/main.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn run(source: &[u8]) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn error(line: usize, message: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report` is never used
[INFO] [stdout]   --> src/main.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn report(line: usize, location: &str, message: &str) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_global_error` is never used
[INFO] [stdout]    --> src/main.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn has_global_error() -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_global_error` is never used
[INFO] [stdout]    --> src/main.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn set_global_error(new_value: bool) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token_type.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout]  3 |     // Single character tokens
[INFO] [stdout]  4 |     LeftParen,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]  5 |     RightParen,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  6 |     LeftBrace,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]  7 |     RightBrace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  8 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Minus,
[INFO] [stdout] 11 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     SemiColon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     Slash,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Bang,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     BangEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 18 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     EqualEqual,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 20 |     Greater,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 21 |     GreaterEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 22 |     Less,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     LessEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 24 |     // Literals
[INFO] [stdout] 25 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 26 |     LoxString(String),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 27 |     Number(f32),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     // Keywords
[INFO] [stdout] 29 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 30 |     Class,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Else,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     Fun,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 34 |     For,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 35 |     If,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 38 |     Print,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     Return,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 40 |     Super,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     This,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 43 |     Var,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     While,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     // EOF
[INFO] [stdout] 46 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `literal`, and `line` are never read
[INFO] [stdout]  --> src/token.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     pub token_type: TokenType,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 7 |     pub lexeme: String,
[INFO] [stdout] 8 |     literal: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     line: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Scanner` is never used
[INFO] [stdout]  --> src/scanner.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Scanner {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoxScanner` is never constructed
[INFO] [stdout]   --> src/lox_scanner.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct LoxScanner<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lox_scanner.rs:49:12
[INFO] [stdout]     |
[INFO] [stdout]  48 | impl <'a> LoxScanner<'a> {
[INFO] [stdout]     | ------------------------ associated items in this implementation
[INFO] [stdout]  49 |     pub fn new(source: &'a [u8]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     fn scan_token(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn add_token(&mut self, token_type: TokenType) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn add_full_token(&mut self, token_type: TokenType, literal: Option<String>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn advance(&mut self) -> char {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn match_next(&mut self, next_expected_char: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     fn peek(&mut self) -> char {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn peek_next(&mut self) -> char {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn string(&mut self) -> Option<TokenType> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn number(&mut self) -> Option<TokenType> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn identifier(&mut self) -> Option<TokenType> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alpha` is never used
[INFO] [stdout]    --> src/lox_scanner.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn is_alpha(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_digit` is never used
[INFO] [stdout]    --> src/lox_scanner.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn is_digit(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alpha_numeric` is never used
[INFO] [stdout]    --> src/lox_scanner.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn is_alpha_numeric(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast_printer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl AstPrinter {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoxParser` is never constructed
[INFO] [stdout]  --> src/lox_parser.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct LoxParser {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/lox_parser.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LoxParser {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn expression() -> Expr {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn equality() -> Expr {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn match_token(&mut self, types: Vec<TokenType>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn check(&self, token_type: &TokenType) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn peek(&self) -> Token {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn previous(&self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn advance(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn comparison() -> Expr {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/bin/generate_ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[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 variable: `base_name`
[INFO] [stdout]    --> src/bin/generate_ast.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn define_visitor(types: Vec<&str>, base_name: String, buffer: &mut File) {
[INFO] [stdout]     |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "113b59fdb9935ff48c3cc9f293f248ebd191a0fba3d6ef9ea6172befc99b1f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113b59fdb9935ff48c3cc9f293f248ebd191a0fba3d6ef9ea6172befc99b1f43", kill_on_drop: false }`
[INFO] [stdout] 113b59fdb9935ff48c3cc9f293f248ebd191a0fba3d6ef9ea6172befc99b1f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3db238839aede7c5198d15a6c394cea10f97d9910d00392b7f216819bb8fe31
[INFO] running `Command { std: "docker" "start" "-a" "d3db238839aede7c5198d15a6c394cea10f97d9910d00392b7f216819bb8fe31", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::BufWriter`
[INFO] [stdout]  --> src/ast_printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufWriter;
[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: `std::ops::Add`
[INFO] [stdout]  --> src/ast_printer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/expression.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::PartialEq`
[INFO] [stdout]  --> src/lox_parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/token.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn run_file(filename: &String) -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_prompt` is never used
[INFO] [stdout]   --> src/main.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn run_prompt() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/main.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn run(source: &[u8]) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn error(line: usize, message: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report` is never used
[INFO] [stdout]   --> src/main.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn report(line: usize, location: &str, message: &str) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_global_error` is never used
[INFO] [stdout]    --> src/main.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn has_global_error() -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_global_error` is never used
[INFO] [stdout]    --> src/main.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn set_global_error(new_value: bool) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/bin/generate_ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token_type.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout]  3 |     // Single character tokens
[INFO] [stdout]  4 |     LeftParen,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]  5 |     RightParen,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  6 |     LeftBrace,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]  7 |     RightBrace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  8 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Minus,
[INFO] [stdout] 11 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     SemiColon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     Slash,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Bang,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     BangEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 18 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     EqualEqual,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 20 |     Greater,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 21 |     GreaterEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 22 |     Less,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     LessEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 24 |     // Literals
[INFO] [stdout] 25 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 26 |     LoxString(String),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 27 |     Number(f32),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     // Keywords
[INFO] [stdout] 29 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 30 |     Class,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Else,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     Fun,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 34 |     For,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 35 |     If,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 38 |     Print,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     Return,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 40 |     Super,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     This,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 43 |     Var,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     While,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     // EOF
[INFO] [stdout] 46 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `literal`, and `line` are never read
[INFO] [stdout]  --> src/token.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     pub token_type: TokenType,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 7 |     pub lexeme: String,
[INFO] [stdout] 8 |     literal: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     line: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Scanner` is never used
[INFO] [stdout]  --> src/scanner.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Scanner {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoxScanner` is never constructed
[INFO] [stdout]   --> src/lox_scanner.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct LoxScanner<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lox_scanner.rs:49:12
[INFO] [stdout]     |
[INFO] [stdout]  48 | impl <'a> LoxScanner<'a> {
[INFO] [stdout]     | ------------------------ associated items in this implementation
[INFO] [stdout]  49 |     pub fn new(source: &'a [u8]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     fn scan_token(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn add_token(&mut self, token_type: TokenType) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn add_full_token(&mut self, token_type: TokenType, literal: Option<String>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn advance(&mut self) -> char {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn match_next(&mut self, next_expected_char: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     fn peek(&mut self) -> char {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn peek_next(&mut self) -> char {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn string(&mut self) -> Option<TokenType> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn number(&mut self) -> Option<TokenType> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn identifier(&mut self) -> Option<TokenType> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alpha` is never used
[INFO] [stdout]    --> src/lox_scanner.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn is_alpha(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_digit` is never used
[INFO] [stdout]    --> src/lox_scanner.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn is_digit(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alpha_numeric` is never used
[INFO] [stdout]    --> src/lox_scanner.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn is_alpha_numeric(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast_printer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl AstPrinter {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoxParser` is never constructed
[INFO] [stdout]  --> src/lox_parser.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct LoxParser {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/lox_parser.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LoxParser {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn expression() -> Expr {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn equality() -> Expr {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn match_token(&mut self, types: Vec<TokenType>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn check(&self, token_type: &TokenType) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn peek(&self) -> Token {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn previous(&self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn advance(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn comparison() -> Expr {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_name`
[INFO] [stdout]    --> src/bin/generate_ast.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn define_visitor(types: Vec<&str>, base_name: String, buffer: &mut File) {
[INFO] [stdout]     |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "d3db238839aede7c5198d15a6c394cea10f97d9910d00392b7f216819bb8fe31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3db238839aede7c5198d15a6c394cea10f97d9910d00392b7f216819bb8fe31", kill_on_drop: false }`
[INFO] [stdout] d3db238839aede7c5198d15a6c394cea10f97d9910d00392b7f216819bb8fe31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6caaa247c1b588350e176c7f19984acd794d82d5e7d6ca0bb691ad98b1b130a7
[INFO] running `Command { std: "docker" "start" "-a" "6caaa247c1b588350e176c7f19984acd794d82d5e7d6ca0bb691ad98b1b130a7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stdout] 
[INFO] [stderr]  --> src/bin/generate_ast.rs:2:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | use std::hash::Hash;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base_name`
[INFO] [stderr]    --> src/bin/generate_ast.rs:107:37
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn define_visitor(types: Vec<&str>, base_name: String, buffer: &mut File) {
[INFO] [stderr]     |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lox-interpreter` (bin "generate_ast" test) generated 2 warnings (run `cargo fix --bin "generate_ast" -p lox-interpreter --tests` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `std::io::BufWriter`
[INFO] [stderr]  --> src/ast_printer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::BufWriter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/ast_printer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]  --> src/expression.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::any::Any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::PartialEq`
[INFO] [stderr]  --> src/lox_parser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::PartialEq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `env`
[INFO] [stderr]  --> src/main.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{env, io};
[INFO] [stderr]   |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/token.rs:30:19
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_file` is never used
[INFO] [stderr]   --> src/main.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn run_file(filename: &String) -> Result<(), Error> {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_prompt` is never used
[INFO] [stderr]   --> src/main.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn run_prompt() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]   --> src/main.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn run(source: &[u8]) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `error` is never used
[INFO] [stderr]   --> src/main.rs:95:4
[INFO] [stderr]    |
[INFO] [stderr] 95 | fn error(line: usize, message: &str) {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `report` is never used
[INFO] [stderr]   --> src/main.rs:99:4
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn report(line: usize, location: &str, message: &str) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `has_global_error` is never used
[INFO] [stderr]    --> src/main.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn has_global_error() -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `set_global_error` is never used
[INFO] [stderr]    --> src/main.rs:114:4
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn set_global_error(new_value: bool) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/token_type.rs:4:5
[INFO] [stderr]    |
[INFO] [stderr]  2 | pub enum TokenType {
[INFO] [stderr]    |          --------- variants in this enum
[INFO] [stderr]  3 |     // Single character tokens
[INFO] [stderr]  4 |     LeftParen,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]  5 |     RightParen,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]  6 |     LeftBrace,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]  7 |     RightBrace,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]  8 |     Comma,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]  9 |     Dot,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 10 |     Minus,
[INFO] [stderr] 11 |     Plus,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 12 |     SemiColon,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 13 |     Slash,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     Bang,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 17 |     BangEqual,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 18 |     Equal,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 19 |     EqualEqual,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 20 |     Greater,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 21 |     GreaterEqual,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 22 |     Less,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 23 |     LessEqual,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 24 |     // Literals
[INFO] [stderr] 25 |     Identifier,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 26 |     LoxString(String),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 27 |     Number(f32),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 28 |     // Keywords
[INFO] [stderr] 29 |     And,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 30 |     Class,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 31 |     Else,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 32 |     False,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 33 |     Fun,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 34 |     For,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 35 |     If,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 36 |     Nil,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 37 |     Or,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 38 |     Print,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 39 |     Return,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 40 |     Super,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 41 |     This,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 42 |     True,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 43 |     Var,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 44 |     While,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 45 |     // EOF
[INFO] [stderr] 46 |     EOF,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `token_type`, `literal`, and `line` are never read
[INFO] [stderr]  --> src/token.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Token {
[INFO] [stderr]   |            ----- fields in this struct
[INFO] [stderr] 6 |     pub token_type: TokenType,
[INFO] [stderr]   |         ^^^^^^^^^^
[INFO] [stderr] 7 |     pub lexeme: String,
[INFO] [stderr] 8 |     literal: String,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 9 |     line: usize,
[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: trait `Scanner` is never used
[INFO] [stderr]  --> src/scanner.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait Scanner {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LoxScanner` is never constructed
[INFO] [stderr]   --> src/lox_scanner.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct LoxScanner<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/lox_scanner.rs:49:12
[INFO] [stderr]     |
[INFO] [stderr]  48 | impl <'a> LoxScanner<'a> {
[INFO] [stderr]     | ------------------------ associated items in this implementation
[INFO] [stderr]  49 |     pub fn new(source: &'a [u8]) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  56 |     fn is_at_end(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  60 |     fn scan_token(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 112 |     fn add_token(&mut self, token_type: TokenType) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 116 |     fn add_full_token(&mut self, token_type: TokenType, literal: Option<String>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 122 |     fn advance(&mut self) -> char {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 128 |     fn match_next(&mut self, next_expected_char: char) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 139 |     fn peek(&mut self) -> char {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 147 |     fn peek_next(&mut self) -> char {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 154 |     fn string(&mut self) -> Option<TokenType> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 170 |     fn number(&mut self) -> Option<TokenType> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 184 |     fn identifier(&mut self) -> Option<TokenType> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_alpha` is never used
[INFO] [stderr]    --> src/lox_scanner.rs:197:4
[INFO] [stderr]     |
[INFO] [stderr] 197 | fn is_alpha(c: char) -> bool {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_digit` is never used
[INFO] [stderr]    --> src/lox_scanner.rs:201:4
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn is_digit(c: char) -> bool {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_alpha_numeric` is never used
[INFO] [stderr]    --> src/lox_scanner.rs:205:4
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn is_alpha_numeric(c: char) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/ast_printer.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl AstPrinter {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 11 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LoxParser` is never constructed
[INFO] [stderr]  --> src/lox_parser.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct LoxParser {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/lox_parser.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl LoxParser {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 22 |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     fn expression() -> Expr {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     fn equality() -> Expr {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     fn match_token(&mut self, types: Vec<TokenType>) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     fn check(&self, token_type: &TokenType) -> bool {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     fn is_at_end(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     fn peek(&self) -> Token {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     fn previous(&self) -> Token {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     fn advance(&mut self) -> Token {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     fn comparison() -> Expr {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lox-interpreter` (bin "lox-interpreter" test) generated 25 warnings (run `cargo fix --bin "lox-interpreter" -p lox-interpreter --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/bin/generate_ast.rs (/opt/rustwide/target/debug/deps/generate_ast-4e9d1ca500097415)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lox_interpreter-d263c0d341a59472)
[INFO] [stderr]      Running unittests src/bin/print_ast.rs (/opt/rustwide/target/debug/deps/print_ast-5a8ad9bab5e71268)
[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] [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" "6caaa247c1b588350e176c7f19984acd794d82d5e7d6ca0bb691ad98b1b130a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6caaa247c1b588350e176c7f19984acd794d82d5e7d6ca0bb691ad98b1b130a7", kill_on_drop: false }`
[INFO] [stdout] 6caaa247c1b588350e176c7f19984acd794d82d5e7d6ca0bb691ad98b1b130a7
