[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] aa860cbbd164cc2e35be278f714d7f44ff33a14a
[INFO] checking Ach113/oxa against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAch113%2Foxa" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ach113/oxa on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-11/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adedda406882fe406c0afba5ef950529fab56f3a8d4cd1e52f7e4613256bd22e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "adedda406882fe406c0afba5ef950529fab56f3a8d4cd1e52f7e4613256bd22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adedda406882fe406c0afba5ef950529fab56f3a8d4cd1e52f7e4613256bd22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adedda406882fe406c0afba5ef950529fab56f3a8d4cd1e52f7e4613256bd22e", kill_on_drop: false }`
[INFO] [stdout] adedda406882fe406c0afba5ef950529fab56f3a8d4cd1e52f7e4613256bd22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d5d278e7723f085da40408fa9643b6ec81cb0e62fb8e04453b6be958093540
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0d5d278e7723f085da40408fa9643b6ec81cb0e62fb8e04453b6be958093540", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking oxa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/tokens.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/tokens.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     RIGHT_PAREN, 
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     LEFT_BRACE, 
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     RIGHT_BRACE,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[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: `std::fmt`
[INFO] [stdout]  --> src/AST.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/tokens.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/tokens.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     RIGHT_PAREN, 
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     LEFT_BRACE, 
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     RIGHT_BRACE,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/tokens.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[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: `std::fmt`
[INFO] [stdout]  --> src/AST.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     loop {
[INFO] [stdout] 38 | |         print!(">> ");
[INFO] [stdout] 39 | |         std::io::stdout().flush()?; // necessary due to line-buffering of stdout
[INFO] [stdout] 40 | |         let mut instruction = String::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |         }
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 49 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     loop {
[INFO] [stdout] 38 | |         print!(">> ");
[INFO] [stdout] 39 | |         std::io::stdout().flush()?; // necessary due to line-buffering of stdout
[INFO] [stdout] 40 | |         let mut instruction = String::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |         }
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 49 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[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: `tokens`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let tokens = scanner.scan_tokens();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/AST.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let value = match &self.value.literal {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/parser.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn consume(&self, t: TokenType, message: &str) {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/parser.rs:53:37
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn consume(&self, t: TokenType, message: &str) {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[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: `tokens`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let tokens = scanner.scan_tokens();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/AST.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let value = match &self.value.literal {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/parser.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn consume(&self, t: TokenType, message: &str) {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/parser.rs:53:37
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn consume(&self, t: TokenType, message: &str) {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut right = self.comparison();
[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/parser.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut right = self.comparison();
[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/parser.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let mut expr = self.expression();
[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/parser.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let mut expr = self.expression();
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LESS`
[INFO] [stdout]   --> src/tokens.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     LESS, 
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_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] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/AST.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn new (operator: Token, left: Box<dyn Expr>, right: Box<dyn Expr>) -> Option<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/AST.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn new(operator: Token, expression: Box<dyn Expr>) -> Option<Unary> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/AST.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new(expression: Box<dyn Expr>) -> Grouping {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/AST.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn new(value: Token) -> Option<Literal> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `equalities`
[INFO] [stdout]  --> src/parser.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const equalities: [TokenType; 2] = [TokenType::BANG_EQUAL, TokenType::EQUAL_EQUAL];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `comparisons`
[INFO] [stdout]  --> src/parser.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const comparisons: [TokenType; 4] = [TokenType::GREATER, TokenType::GREATER_EQUAL, TokenType::LESS, TokenType::LESS_EQUAL];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `terms`
[INFO] [stdout]  --> src/parser.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const terms: [TokenType; 2] = [TokenType::PLUS, TokenType::MINUS];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `factors`
[INFO] [stdout]  --> src/parser.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const factors: [TokenType; 2] = [TokenType::STAR, TokenType::SLASH];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `unaries`
[INFO] [stdout]  --> src/parser.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const unaries: [TokenType; 2] = [TokenType::BANG, TokenType::MINUS];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]   --> src/parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Parser {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(tokens: Vec<Token>) -> Parser {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_end`
[INFO] [stdout]   --> src/parser.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn is_end(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parser.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn peek(&self) -> Token {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `previous`
[INFO] [stdout]   --> src/parser.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn previous(&self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance`
[INFO] [stdout]   --> src/parser.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn advance(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_type`
[INFO] [stdout]   --> src/parser.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn check_type(&self, t: &TokenType) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume`
[INFO] [stdout]   --> src/parser.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn consume(&self, t: TokenType, message: &str) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expression`
[INFO] [stdout]   --> src/parser.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn expression(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equality`
[INFO] [stdout]   --> src/parser.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn equality(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `comparison`
[INFO] [stdout]   --> src/parser.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn comparison(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `term`
[INFO] [stdout]   --> src/parser.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn term(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `factor`
[INFO] [stdout]    --> src/parser.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn factor(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unary`
[INFO] [stdout]    --> src/parser.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn unary(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `primary`
[INFO] [stdout]    --> src/parser.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn primary(&mut self) -> Option<Box<dyn Expr>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `AST` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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: variant is never constructed: `LESS`
[INFO] [stdout]   --> src/tokens.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     LESS, 
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_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] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/AST.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn new (operator: Token, left: Box<dyn Expr>, right: Box<dyn Expr>) -> Option<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/AST.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn new(operator: Token, expression: Box<dyn Expr>) -> Option<Unary> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/AST.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new(expression: Box<dyn Expr>) -> Grouping {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/AST.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn new(value: Token) -> Option<Literal> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `equalities`
[INFO] [stdout]  --> src/parser.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const equalities: [TokenType; 2] = [TokenType::BANG_EQUAL, TokenType::EQUAL_EQUAL];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `comparisons`
[INFO] [stdout]  --> src/parser.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const comparisons: [TokenType; 4] = [TokenType::GREATER, TokenType::GREATER_EQUAL, TokenType::LESS, TokenType::LESS_EQUAL];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `terms`
[INFO] [stdout]  --> src/parser.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const terms: [TokenType; 2] = [TokenType::PLUS, TokenType::MINUS];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `factors`
[INFO] [stdout]  --> src/parser.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const factors: [TokenType; 2] = [TokenType::STAR, TokenType::SLASH];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `unaries`
[INFO] [stdout]  --> src/parser.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const unaries: [TokenType; 2] = [TokenType::BANG, TokenType::MINUS];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]   --> src/parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Parser {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(tokens: Vec<Token>) -> Parser {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_end`
[INFO] [stdout]   --> src/parser.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn is_end(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parser.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn peek(&self) -> Token {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `previous`
[INFO] [stdout]   --> src/parser.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn previous(&self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance`
[INFO] [stdout]   --> src/parser.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn advance(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_type`
[INFO] [stdout]   --> src/parser.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn check_type(&self, t: &TokenType) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume`
[INFO] [stdout]   --> src/parser.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn consume(&self, t: TokenType, message: &str) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expression`
[INFO] [stdout]   --> src/parser.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn expression(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equality`
[INFO] [stdout]   --> src/parser.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn equality(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `comparison`
[INFO] [stdout]   --> src/parser.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn comparison(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `term`
[INFO] [stdout]   --> src/parser.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn term(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `factor`
[INFO] [stdout]    --> src/parser.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn factor(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unary`
[INFO] [stdout]    --> src/parser.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn unary(&mut self) -> Box<dyn Expr> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `primary`
[INFO] [stdout]    --> src/parser.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn primary(&mut self) -> Option<Box<dyn Expr>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `AST` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         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:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         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:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         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:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | 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:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | 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:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | 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:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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 `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         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:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         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:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         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:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | 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:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | 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:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | 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:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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: 61 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 61 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "d0d5d278e7723f085da40408fa9643b6ec81cb0e62fb8e04453b6be958093540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d5d278e7723f085da40408fa9643b6ec81cb0e62fb8e04453b6be958093540", kill_on_drop: false }`
[INFO] [stdout] d0d5d278e7723f085da40408fa9643b6ec81cb0e62fb8e04453b6be958093540