[INFO] cloning repository https://github.com/Ach113/oxa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ach113/oxa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAch113%2Foxa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAch113%2Foxa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59b5f1637db5e8d4f1fcdb8c0a68209fa7539154
[INFO] checking Ach113/oxa against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAch113%2Foxa" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ach113/oxa on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ach113/oxa
[INFO] finished tweaking git repo https://github.com/Ach113/oxa
[INFO] tweaked toml for git repo https://github.com/Ach113/oxa written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Ach113/oxa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 824106c94022920a308c5e51ff20cae057a339070dee8377f479f5330b3435ad
[INFO] running `Command { std: "docker" "start" "-a" "824106c94022920a308c5e51ff20cae057a339070dee8377f479f5330b3435ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "824106c94022920a308c5e51ff20cae057a339070dee8377f479f5330b3435ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824106c94022920a308c5e51ff20cae057a339070dee8377f479f5330b3435ad", kill_on_drop: false }`
[INFO] [stdout] 824106c94022920a308c5e51ff20cae057a339070dee8377f479f5330b3435ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f2b0122f592398b61bbdaf21dee38bcdeb0b0f7c1a8b1ce36ebdfd7e93d2c95
[INFO] running `Command { std: "docker" "start" "-a" "1f2b0122f592398b61bbdaf21dee38bcdeb0b0f7c1a8b1ce36ebdfd7e93d2c95", kill_on_drop: false }`
[INFO] [stderr]     Checking oxa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/scanner.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |         while (!self.is_eof() && (self.cell().is_alphabetic() || self.cell().is_digit(10) || self.cell() == '_')) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/scanner.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |         while (!self.is_eof() && (self.cell().is_digit(10) || self.cell() == '.')) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/scanner.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |         while (!self.next('"') && !self.is_eof()) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/scanner.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |         match (c) {
[INFO] [stdout]     |               ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/scanner.rs:183:20
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 if (self.next('/')) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/scanner.rs:187:27
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 } else if (self.next('*')) {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interpreter::interpret`
[INFO] [stdout]  --> src/AST.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::interpreter::interpret;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/AST.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/parser.rs:144:15
[INFO] [stdout]     |
[INFO] [stdout] 144 |         while (!self.at_end() && !self.check_type(&TokenType::RIGHT_BRACE)) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/parser.rs:339:19
[INFO] [stdout]     |
[INFO] [stdout] 339 |             match (self.peek().t) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/environment.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |             match (&mut self.enclosing) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokens::Literal`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokens::Literal;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     loop {
[INFO] [stdout] 48 | |         print!(">> ");
[INFO] [stdout] 49 | |         std::io::stdout().flush()?; // necessary due to line-buffering of stdout
[INFO] [stdout] 50 | |         let mut instruction = String::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |         }
[INFO] [stdout] 55 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 56 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/scanner.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |         while (!self.is_eof() && (self.cell().is_alphabetic() || self.cell().is_digit(10) || self.cell() == '_')) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/scanner.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |         while (!self.is_eof() && (self.cell().is_digit(10) || self.cell() == '.')) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/scanner.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |         while (!self.next('"') && !self.is_eof()) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/scanner.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |         match (c) {
[INFO] [stdout]     |               ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/scanner.rs:183:20
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 if (self.next('/')) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/scanner.rs:187:27
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 } else if (self.next('*')) {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interpreter::interpret`
[INFO] [stdout]  --> src/AST.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::interpreter::interpret;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/AST.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/parser.rs:144:15
[INFO] [stdout]     |
[INFO] [stdout] 144 |         while (!self.at_end() && !self.check_type(&TokenType::RIGHT_BRACE)) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/parser.rs:339:19
[INFO] [stdout]     |
[INFO] [stdout] 339 |             match (self.peek().t) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/environment.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |             match (&mut self.enclosing) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokens::Literal`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokens::Literal;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/scanner.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/AST.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     Err(x) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/AST.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     Err(x) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/AST.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     Err(x) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/AST.rs:167:20
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn eval(&self, env: &mut Environment) -> Result<crate::tokens::Literal, ()> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/AST.rs:338:20
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn eval(&self, env: &mut Environment) -> Result<(), ()> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     Err(e) => Err(()),
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/parser.rs:153:16
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Ok(x) => Ok(statements),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Err(e) => Err(())
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `error_count` is assigned to, but never used
[INFO] [stdout]  --> src/interpreter.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut error_count = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_error_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     loop {
[INFO] [stdout] 48 | |         print!(">> ");
[INFO] [stdout] 49 | |         std::io::stdout().flush()?; // necessary due to line-buffering of stdout
[INFO] [stdout] 50 | |         let mut instruction = String::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |         }
[INFO] [stdout] 55 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 56 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/tokens.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     EOF
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `statements`
[INFO] [stdout]    --> src/AST.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 328 |     statements: Vec<Box<dyn Stmt>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_key`
[INFO] [stdout]   --> src/environment.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn contains_key(&self, key: &Token) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `AST` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod AST;
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case: `ast`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     run(code);
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         std::io::stdin().read_line(&mut instruction);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             run(instruction);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         runfile(&args[1]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         repl();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `equalities` should have an upper case name
[INFO] [stdout]  --> src/parser.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const equalities: [TokenType; 2] = [TokenType::BANG_EQUAL, TokenType::EQUAL_EQUAL];
[INFO] [stdout]   |       ^^^^^^^^^^ help: convert the identifier to upper case: `EQUALITIES`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `comparisons` should have an upper case name
[INFO] [stdout]  --> src/parser.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const comparisons: [TokenType; 4] = [TokenType::GREATER, TokenType::GREATER_EQUAL, TokenType::LESS, TokenType::LESS_EQUAL];
[INFO] [stdout]   |       ^^^^^^^^^^^ help: convert the identifier to upper case: `COMPARISONS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `terms` should have an upper case name
[INFO] [stdout]  --> src/parser.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const terms: [TokenType; 2] = [TokenType::PLUS, TokenType::MINUS];
[INFO] [stdout]   |       ^^^^^ help: convert the identifier to upper case: `TERMS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `factors` should have an upper case name
[INFO] [stdout]  --> src/parser.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const factors: [TokenType; 2] = [TokenType::STAR, TokenType::SLASH];
[INFO] [stdout]   |       ^^^^^^^ help: convert the identifier to upper case: `FACTORS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unaries` should have an upper case name
[INFO] [stdout]   --> src/parser.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const unaries: [TokenType; 2] = [TokenType::BANG, TokenType::MINUS];
[INFO] [stdout]    |       ^^^^^^^ help: convert the identifier to upper case: `UNARIES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/scanner.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/AST.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     Err(x) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/AST.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     Err(x) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/AST.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     Err(x) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/AST.rs:167:20
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn eval(&self, env: &mut Environment) -> Result<crate::tokens::Literal, ()> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/AST.rs:338:20
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn eval(&self, env: &mut Environment) -> Result<(), ()> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     Err(e) => Err(()),
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/parser.rs:153:16
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Ok(x) => Ok(statements),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Err(e) => Err(())
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `error_count` is assigned to, but never used
[INFO] [stdout]  --> src/interpreter.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut error_count = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_error_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/tokens.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     EOF
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `statements`
[INFO] [stdout]    --> src/AST.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 328 |     statements: Vec<Box<dyn Stmt>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_key`
[INFO] [stdout]   --> src/environment.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn contains_key(&self, key: &Token) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `AST` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod AST;
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case: `ast`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     run(code);
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         std::io::stdin().read_line(&mut instruction);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             run(instruction);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         runfile(&args[1]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         repl();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `equalities` should have an upper case name
[INFO] [stdout]  --> src/parser.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const equalities: [TokenType; 2] = [TokenType::BANG_EQUAL, TokenType::EQUAL_EQUAL];
[INFO] [stdout]   |       ^^^^^^^^^^ help: convert the identifier to upper case: `EQUALITIES`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `comparisons` should have an upper case name
[INFO] [stdout]  --> src/parser.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const comparisons: [TokenType; 4] = [TokenType::GREATER, TokenType::GREATER_EQUAL, TokenType::LESS, TokenType::LESS_EQUAL];
[INFO] [stdout]   |       ^^^^^^^^^^^ help: convert the identifier to upper case: `COMPARISONS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `terms` should have an upper case name
[INFO] [stdout]  --> src/parser.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const terms: [TokenType; 2] = [TokenType::PLUS, TokenType::MINUS];
[INFO] [stdout]   |       ^^^^^ help: convert the identifier to upper case: `TERMS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `factors` should have an upper case name
[INFO] [stdout]  --> src/parser.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const factors: [TokenType; 2] = [TokenType::STAR, TokenType::SLASH];
[INFO] [stdout]   |       ^^^^^^^ help: convert the identifier to upper case: `FACTORS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unaries` should have an upper case name
[INFO] [stdout]   --> src/parser.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const unaries: [TokenType; 2] = [TokenType::BANG, TokenType::MINUS];
[INFO] [stdout]    |       ^^^^^^^ help: convert the identifier to upper case: `UNARIES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "1f2b0122f592398b61bbdaf21dee38bcdeb0b0f7c1a8b1ce36ebdfd7e93d2c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2b0122f592398b61bbdaf21dee38bcdeb0b0f7c1a8b1ce36ebdfd7e93d2c95", kill_on_drop: false }`
[INFO] [stdout] 1f2b0122f592398b61bbdaf21dee38bcdeb0b0f7c1a8b1ce36ebdfd7e93d2c95