[INFO] cloning repository https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker-
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker-" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleeckman%2FLexical-and-Syntax-Analyzer-EBNF-checker-", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleeckman%2FLexical-and-Syntax-Analyzer-EBNF-checker-'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2735fdbf53721cc289ea631b84e399dd77117466
[INFO] checking aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker- against master#568f6a8641e391ffcdcdb03e79d0901731d8d399 for pr-117164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleeckman%2FLexical-and-Syntax-Analyzer-EBNF-checker-" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker- on toolchain 568f6a8641e391ffcdcdb03e79d0901731d8d399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker-
[INFO] finished tweaking git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker-
[INFO] tweaked toml for git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker- written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker- 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" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker- against try#eb3956d47f58f1c7c0a5694b1d3401945bc41dce for pr-117164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleeckman%2FLexical-and-Syntax-Analyzer-EBNF-checker-" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker- on toolchain eb3956d47f58f1c7c0a5694b1d3401945bc41dce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker-
[INFO] finished tweaking git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker-
[INFO] tweaked toml for git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker- written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aleeckman/Lexical-and-Syntax-Analyzer-EBNF-checker- 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" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff3de2586d59f95a17a4b8edec4ecc9f3aa9769da26699a895839d5f6c1d374b
[INFO] running `Command { std: "docker" "start" "-a" "ff3de2586d59f95a17a4b8edec4ecc9f3aa9769da26699a895839d5f6c1d374b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff3de2586d59f95a17a4b8edec4ecc9f3aa9769da26699a895839d5f6c1d374b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3de2586d59f95a17a4b8edec4ecc9f3aa9769da26699a895839d5f6c1d374b", kill_on_drop: false }`
[INFO] [stdout] ff3de2586d59f95a17a4b8edec4ecc9f3aa9769da26699a895839d5f6c1d374b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46bcda22b6d9ddf77b6f9cae153aa00e92999b7289fbe009f658bb222f2ac897
[INFO] running `Command { std: "docker" "start" "-a" "46bcda22b6d9ddf77b6f9cae153aa00e92999b7289fbe009f658bb222f2ac897", kill_on_drop: false }`
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/character_stream.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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::io`
[INFO] [stdout]  --> src/character_stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/character_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/character_stream.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/character_stream.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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::io`
[INFO] [stdout]  --> src/character_stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/character_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/character_stream.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/character_stream.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |         return Some(self.char_str_input[(k as usize)])
[INFO] [stdout]    |                                         ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         return Some(self.char_str_input[(k as usize)])
[INFO] [stdout] 47 +         return Some(self.char_str_input[k as usize])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/scanner.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/character_stream.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |         return Some(self.char_str_input[(k as usize)])
[INFO] [stdout]    |                                         ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         return Some(self.char_str_input[(k as usize)])
[INFO] [stdout] 47 +         return Some(self.char_str_input[k as usize])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::TokenType`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::token::TokenType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::Shutdown::Read`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::Shutdown::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/scanner.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RETURNSTATEMENT`
[INFO] [stdout]  --> src/parser.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::parser::ErrorHandler::{RETURNSTATEMENT, PARAMETER, PARAMETERBLOCK, STATEMENT, INTEGERTYPE, ASSIGNMENT, WHILELOOP, EXPRESSION, ...
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::TokenType`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::token::TokenType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::TokenType::INTCONSTANT`
[INFO] [stdout]  --> src/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::token::TokenType::INTCONSTANT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::Shutdown::Read`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::Shutdown::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use token::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RETURNSTATEMENT`
[INFO] [stdout]  --> src/parser.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::parser::ErrorHandler::{RETURNSTATEMENT, PARAMETER, PARAMETERBLOCK, STATEMENT, INTEGERTYPE, ASSIGNMENT, WHILELOOP, EXPRESSION, ...
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::TokenType::INTCONSTANT`
[INFO] [stdout]  --> src/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::token::TokenType::INTCONSTANT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::character_stream::CharStream`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::character_stream::CharStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use token::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::null`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ptr::null;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::character_stream::CharStream`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::character_stream::CharStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::null`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ptr::null;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operators`
[INFO] [stdout]   --> src/scanner.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let operators= [
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operators`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `char_num` is never read
[INFO] [stdout]   --> src/scanner.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut char_num: i32 = 1;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_char`
[INFO] [stdout]   --> src/scanner.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |                         Some(next_char) => {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blank_space`
[INFO] [stdout]   --> src/scanner.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...                   let blank_space = char_stream.get_next_char();
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blank_space`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operators`
[INFO] [stdout]   --> src/scanner.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let operators= [
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operators`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `char_num` is never read
[INFO] [stdout]   --> src/scanner.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut char_num: i32 = 1;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_char`
[INFO] [stdout]   --> src/scanner.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |                         Some(next_char) => {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blank_space`
[INFO] [stdout]   --> src/scanner.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...                   let blank_space = char_stream.get_next_char();
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blank_space`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scanner.rs:129:41
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   let mut float_bool: bool = false;
[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: value assigned to `color_of_text` is never read
[INFO] [stdout]   --> src/parser.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut color_of_text= "yellow";
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_line` is never read
[INFO] [stdout]   --> src/parser.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut curr_line = 1;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scanner.rs:129:41
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   let mut float_bool: bool = false;
[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:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color_of_text` is never read
[INFO] [stdout]   --> src/parser.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut color_of_text= "yellow";
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_line` is never read
[INFO] [stdout]   --> src/parser.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut curr_line = 1;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |             let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:276:17
[INFO] [stdout]     |
[INFO] [stdout] 276 |             let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:329:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `token` is never read
[INFO] [stdout]    --> src/parser.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |         token = self.scan.get_next_token(self.pos).unwrap().clone();
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:475:17
[INFO] [stdout]     |
[INFO] [stdout] 475 |             let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:498:13
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |             let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:564:13
[INFO] [stdout]     |
[INFO] [stdout] 564 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:276:17
[INFO] [stdout]     |
[INFO] [stdout] 276 |             let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:329:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `token` is never read
[INFO] [stdout]    --> src/parser.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |         token = self.scan.get_next_token(self.pos).unwrap().clone();
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:715:13
[INFO] [stdout]     |
[INFO] [stdout] 715 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:747:25
[INFO] [stdout]     |
[INFO] [stdout] 747 |                     let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:773:25
[INFO] [stdout]     |
[INFO] [stdout] 773 |                     let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:800:25
[INFO] [stdout]     |
[INFO] [stdout] 800 |                     let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:475:17
[INFO] [stdout]     |
[INFO] [stdout] 475 |             let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:498:13
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:564:13
[INFO] [stdout]     |
[INFO] [stdout] 564 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/parser.rs:961:13
[INFO] [stdout]     |
[INFO] [stdout] 961 |             _ => println!("Unknown Error Detected")
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:715:13
[INFO] [stdout]     |
[INFO] [stdout] 715 |         let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let file = "./src/example1.x";
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:747:25
[INFO] [stdout]     |
[INFO] [stdout] 747 |                     let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:773:25
[INFO] [stdout]     |
[INFO] [stdout] 773 |                     let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[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:800:25
[INFO] [stdout]     |
[INFO] [stdout] 800 |                     let mut token = self.scan.get_next_token(self.pos).unwrap().clone();
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NONE` and `INVALID` are never constructed
[INFO] [stdout]   --> src/token.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 4  |     NONE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     INVALID
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_ahead_char` is never used
[INFO] [stdout]   --> src/character_stream.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CharStream {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn peek_ahead_char(&self, k: i32) -> Option<char> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ERROR` is never constructed
[INFO] [stdout]   --> src/parser.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum ReturnType {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     ERROR
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/parser.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ErrorHandler {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     FUNCTIONDEFINITION,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     DATATYPE,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 30 |     CONSTANT,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     FLOATTYPE,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     RELATIONOPERATOR,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     ADDOPERATOR,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 45 |     MULTOPERATOR
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/scanner.rs:136:49
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   float_bool == true;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 136 |                                                 let _ = float_bool == true;
[INFO] [stdout]     |                                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/parser.rs:961:13
[INFO] [stdout]     |
[INFO] [stdout] 961 |             _ => println!("Unknown Error Detected")
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...   write!(path, "<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>...
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         write!(path, "<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en'>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let file = "./src/example1.x";
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         write!(path, "<head>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         write!(path, "<title>X Formatted file</title>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         write!(path, "</head>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         write!(path, "<body bgcolor='navy' text='yellow' link='yellow' vlink='yellow'>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         write!(path, "<font face='Courier New'>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 writeln!(path, "<br />");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     write!(path, "&ensp;");
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     write!(path, "<font color = '{}'><b>{}</b></font>", color_of_text, tok.get_text());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     write!(path, "<font color = '{}'><b> {} </b></font>", color_of_text, tok.get_text());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 write!(path, "<font color = '{}'> {}</font>", color_of_text, tok.get_text());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 | /         write!(path, "</font>
[INFO] [stdout] 125 | |         </body>
[INFO] [stdout] 126 | |         </html>");
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NONE` and `INVALID` are never constructed
[INFO] [stdout]   --> src/token.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 4  |     NONE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     INVALID
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_ahead_char` is never used
[INFO] [stdout]   --> src/character_stream.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CharStream {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn peek_ahead_char(&self, k: i32) -> Option<char> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ERROR` is never constructed
[INFO] [stdout]   --> src/parser.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum ReturnType {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     ERROR
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/parser.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ErrorHandler {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     FUNCTIONDEFINITION,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     DATATYPE,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 30 |     CONSTANT,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     FLOATTYPE,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     RELATIONOPERATOR,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     ADDOPERATOR,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 45 |     MULTOPERATOR
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/scanner.rs:136:49
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   float_bool == true;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 136 |                                                 let _ = float_bool == true;
[INFO] [stdout]     |                                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...   write!(path, "<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>...
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         write!(path, "<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en'>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         write!(path, "<head>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         write!(path, "<title>X Formatted file</title>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         write!(path, "</head>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         write!(path, "<body bgcolor='navy' text='yellow' link='yellow' vlink='yellow'>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         write!(path, "<font face='Courier New'>");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 writeln!(path, "<br />");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     write!(path, "&ensp;");
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     write!(path, "<font color = '{}'><b>{}</b></font>", color_of_text, tok.get_text());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     write!(path, "<font color = '{}'><b> {} </b></font>", color_of_text, tok.get_text());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 write!(path, "<font color = '{}'> {}</font>", color_of_text, tok.get_text());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/parser.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 | /         write!(path, "</font>
[INFO] [stdout] 125 | |         </body>
[INFO] [stdout] 126 | |         </html>");
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "46bcda22b6d9ddf77b6f9cae153aa00e92999b7289fbe009f658bb222f2ac897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46bcda22b6d9ddf77b6f9cae153aa00e92999b7289fbe009f658bb222f2ac897", kill_on_drop: false }`
[INFO] [stdout] 46bcda22b6d9ddf77b6f9cae153aa00e92999b7289fbe009f658bb222f2ac897