[INFO] cloning repository https://github.com/alphaom33/TotallyMineInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alphaom33/TotallyMineInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falphaom33%2FTotallyMineInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falphaom33%2FTotallyMineInRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efd9df16c4005b592fbcb79908d5c2be06355a93
[INFO] linting alphaom33/TotallyMineInRust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falphaom33%2FTotallyMineInRust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/alphaom33/TotallyMineInRust
[INFO] finished tweaking git repo https://github.com/alphaom33/TotallyMineInRust
[INFO] tweaked toml for git repo https://github.com/alphaom33/TotallyMineInRust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alphaom33/TotallyMineInRust on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alphaom33/TotallyMineInRust 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f01d3f30288b2ba08a10777c65bd875d601a6bd1050ab07951b099feebf8437e
[INFO] running `Command { std: "docker" "start" "-a" "f01d3f30288b2ba08a10777c65bd875d601a6bd1050ab07951b099feebf8437e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f01d3f30288b2ba08a10777c65bd875d601a6bd1050ab07951b099feebf8437e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01d3f30288b2ba08a10777c65bd875d601a6bd1050ab07951b099feebf8437e", kill_on_drop: false }`
[INFO] [stdout] f01d3f30288b2ba08a10777c65bd875d601a6bd1050ab07951b099feebf8437e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70ba98cb7f49bfd3d7fcca470322bdfcb706dfbfd7f7c734b46e38291e083350
[INFO] running `Command { std: "docker" "start" "-a" "70ba98cb7f49bfd3d7fcca470322bdfcb706dfbfd7f7c734b46e38291e083350", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking my-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `post_processor::post_process`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use post_processor::post_process;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `post_processor::post_process`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use post_processor::post_process;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::post_processor::post_process`
[INFO] [stdout]  --> src/tests/lex_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::post_processor::post_process;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/tokenizer.rs:64:58
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn match_basic(c: char, code_iter: &mut Peekable<Chars>, i: usize, code: &str) -> TokenType {
[INFO] [stdout]    |                                                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/tokenizer.rs:64:68
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn match_basic(c: char, code_iter: &mut Peekable<Chars>, i: usize, code: &str) -> TokenType {
[INFO] [stdout]    |                                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/tokenizer.rs:64:58
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn match_basic(c: char, code_iter: &mut Peekable<Chars>, i: usize, code: &str) -> TokenType {
[INFO] [stdout]    |                                                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/tokenizer.rs:64:68
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn match_basic(c: char, code_iter: &mut Peekable<Chars>, i: usize, code: &str) -> TokenType {
[INFO] [stdout]    |                                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/post_processor.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let a: usize = advance_to(index - 1, tokens, TokenType::LineFeed, -1);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cur_tabs` is never read
[INFO] [stdout]    --> src/post_processor.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut cur_tabs: usize = 10000;
[INFO] [stdout]     |                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/post_processor.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let a: usize = advance_to(index - 1, tokens, TokenType::LineFeed, -1);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cur_tabs` is never read
[INFO] [stdout]    --> src/post_processor.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut cur_tabs: usize = 10000;
[INFO] [stdout]     |                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 |   let mut tokens: Vec<lexer::Token> = lexer::lex(&code);
[INFO] [stdout]    |       ----^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 |   let mut tokens: Vec<lexer::Token> = lexer::lex(&code);
[INFO] [stdout]    |       ----^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenType` is never used
[INFO] [stdout]  --> src/tokenizer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum TokenType {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lex` is never used
[INFO] [stdout]   --> src/tokenizer.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn lex(code: &str) -> Vec<TokenType> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_basic` is never used
[INFO] [stdout]   --> src/tokenizer.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn match_basic(c: char, code_iter: &mut Peekable<Chars>, i: usize, code: &str) -> TokenType {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `post_process` is never used
[INFO] [stdout]  --> src/post_processor.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn post_process(tokens: &mut Vec<TokenType>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_python` is never used
[INFO] [stdout]   --> src/post_processor.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn change_python(tokens: &mut Vec<TokenType>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_curlies` is never used
[INFO] [stdout]   --> src/post_processor.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn scan_curlies(tokens: &mut Vec<TokenType>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |   Identifier(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -   Identifier(String),
[INFO] [stdout] 20 +   Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |   DecimalNum(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -   DecimalNum(String),
[INFO] [stdout] 21 +   DecimalNum(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |   Number(String),
[INFO] [stdout]    |   ------ ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -   Number(String),
[INFO] [stdout] 22 +   Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_sets` is never used
[INFO] [stdout]   --> src/post_processor.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn scan_sets(tokens: &mut Vec<TokenType>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |   String(String),
[INFO] [stdout]    |   ------ ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -   String(String),
[INFO] [stdout] 23 +   String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_lambda_curlies` is never used
[INFO] [stdout]   --> src/post_processor.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn scan_lambda_curlies(tokens: &mut Vec<TokenType>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_classify_parens` is never used
[INFO] [stdout]   --> src/post_processor.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn scan_classify_parens(tokens: &mut Vec<TokenType>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_func_add` is never used
[INFO] [stdout]   --> src/post_processor.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn set_func_add(tokens: &Vec<TokenType>, i: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |   GroupOpen(String),
[INFO] [stdout]    |   --------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -   GroupOpen(String),
[INFO] [stdout] 24 +   GroupOpen(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |   GroupClose(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -   GroupClose(String),
[INFO] [stdout] 25 +   GroupClose(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |   Symbol(String),
[INFO] [stdout]    |   ------ ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -   Symbol(String),
[INFO] [stdout] 26 +   Symbol(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |   Whitespace(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -   Whitespace(String),
[INFO] [stdout] 27 +   Whitespace(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Group` is never constructed
[INFO] [stdout]   --> src/lexer.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 19 |   Group(Vec<Token>),
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `paren_classify` is never used
[INFO] [stdout]    --> src/post_processor.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn paren_classify(tokens: &mut Vec<TokenType>, i: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `curly_add` is never used
[INFO] [stdout]    --> src/post_processor.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn curly_add(tokens: &mut Vec<TokenType>, i: usize) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/lexer.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 34 |   pub token: TokenType,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `advance_to` is never used
[INFO] [stdout]    --> src/post_processor.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn advance_to(start: usize, array: &Vec<TokenType>, token: TokenType, sign: i32) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/lexer.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | struct Block {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_fun_tabs` is never used
[INFO] [stdout]    --> src/post_processor.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn check_fun_tabs(num_tabs: usize, tokens: &mut Vec<TokenType>, start_dex: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_group` is never used
[INFO] [stdout]   --> src/lexer.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn match_group(code: &Vec<Token>, mut i: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |   Identifier(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -   Identifier(String),
[INFO] [stdout] 20 +   Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |   DecimalNum(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -   DecimalNum(String),
[INFO] [stdout] 21 +   DecimalNum(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |   Number(String),
[INFO] [stdout]    |   ------ ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -   Number(String),
[INFO] [stdout] 22 +   Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |   String(String),
[INFO] [stdout]    |   ------ ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -   String(String),
[INFO] [stdout] 23 +   String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |   GroupOpen(String),
[INFO] [stdout]    |   --------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -   GroupOpen(String),
[INFO] [stdout] 24 +   GroupOpen(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |   GroupClose(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -   GroupClose(String),
[INFO] [stdout] 25 +   GroupClose(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |   Symbol(String),
[INFO] [stdout]    |   ------ ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -   Symbol(String),
[INFO] [stdout] 26 +   Symbol(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexer.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |   Whitespace(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -   Whitespace(String),
[INFO] [stdout] 27 +   Whitespace(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Group` is never constructed
[INFO] [stdout]   --> src/lexer.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 19 |   Group(Vec<Token>),
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/lexer.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 34 |   pub token: TokenType,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/lexer.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | struct Block {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_group` is never used
[INFO] [stdout]   --> src/lexer.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn match_group(code: &Vec<Token>, mut i: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/tokenizer.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     return tokens;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 61 -     return tokens;
[INFO] [stdout] 61 +     tokens
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/tokenizer.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     return tokens;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 61 -     return tokens;
[INFO] [stdout] 61 +     tokens
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> src/tokenizer.rs:55:42
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut code_iter: Peekable<Chars> = code.chars().into_iter().peekable();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `code.chars()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> src/tokenizer.rs:55:42
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut code_iter: Peekable<Chars> = code.chars().into_iter().peekable();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `code.chars()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/tokenizer.rs:118:34
[INFO] [stdout]     |
[INFO] [stdout] 118 |             TokenType::String(if accumulator.len() > 0 {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!accumulator.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/tokenizer.rs:118:34
[INFO] [stdout]     |
[INFO] [stdout] 118 |             TokenType::String(if accumulator.len() > 0 {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!accumulator.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `.to_digit(..).is_some()`
[INFO] [stdout]    --> src/tokenizer.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |         _ if c.to_digit(10).is_some() => {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `c.is_digit(10)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_digit_is_some
[INFO] [stdout]     = note: `#[warn(clippy::to_digit_is_some)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `.to_digit(..).is_some()`
[INFO] [stdout]    --> src/tokenizer.rs:163:19
[INFO] [stdout]     |
[INFO] [stdout] 163 |             while code_iter.peek().unwrap().to_digit(radix).is_some() {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `code_iter.peek().unwrap().is_digit(radix)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_digit_is_some
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `.to_digit(..).is_some()`
[INFO] [stdout]    --> src/tokenizer.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |         _ if c.to_digit(10).is_some() => {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `c.is_digit(10)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_digit_is_some
[INFO] [stdout]     = note: `#[warn(clippy::to_digit_is_some)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/post_processor.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 let num_tabs: usize;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `num_tabs` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 22 ~                 
[INFO] [stdout] 23 |
[INFO] [stdout] 24 ~                 let num_tabs: usize = if start != tokens.len() {
[INFO] [stdout] 25 |                     println!("{}, {}", start, tokens[start]);
[INFO] [stdout] ...
[INFO] [stdout] 29 |                     }
[INFO] [stdout] 30 ~                     (j - start) - 1
[INFO] [stdout] 31 |                 } else {
[INFO] [stdout] 32 ~                     0
[INFO] [stdout] 33 ~                 };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `.to_digit(..).is_some()`
[INFO] [stdout]    --> src/tokenizer.rs:163:19
[INFO] [stdout]     |
[INFO] [stdout] 163 |             while code_iter.peek().unwrap().to_digit(radix).is_some() {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `code_iter.peek().unwrap().is_digit(radix)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_digit_is_some
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/post_processor.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 let num_tabs: usize;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `num_tabs` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 22 ~                 
[INFO] [stdout] 23 |
[INFO] [stdout] 24 ~                 let num_tabs: usize = if start != tokens.len() {
[INFO] [stdout] 25 |                     println!("{}, {}", start, tokens[start]);
[INFO] [stdout] ...
[INFO] [stdout] 29 |                     }
[INFO] [stdout] 30 ~                     (j - start) - 1
[INFO] [stdout] 31 |                 } else {
[INFO] [stdout] 32 ~                     0
[INFO] [stdout] 33 ~                 };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/post_processor.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         match &tokens[i] {
[INFO] [stdout] 57 | |             TokenType::Lambda => {
[INFO] [stdout] 58 | |                 let index: usize = set_func_add(tokens, i);
[INFO] [stdout] 59 | |                 if index != tokens.len() {
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |             _ => (),
[INFO] [stdout] 64 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 56 ~         if tokens[i] == TokenType::Lambda {
[INFO] [stdout] 57 +             let index: usize = set_func_add(tokens, i);
[INFO] [stdout] 58 +             if index != tokens.len() {
[INFO] [stdout] 59 +                 to_add.push(index);
[INFO] [stdout] 60 +             }
[INFO] [stdout] 61 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/post_processor.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 | /         match &tokens[i] {
[INFO] [stdout] 89 | |             TokenType::LeftParenthesis => paren_classify(tokens, i),
[INFO] [stdout] 90 | |             _ => (),
[INFO] [stdout] 91 | |         }
[INFO] [stdout]    | |_________^ help: try: `if tokens[i] == TokenType::LeftParenthesis { paren_classify(tokens, i) }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/post_processor.rs:97:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | /     return match tokens[j - 1] {
[INFO] [stdout]  98 | |         TokenType::Name(_) => j,
[INFO] [stdout]  99 | |         _ => usize::MAX,
[INFO] [stdout] 100 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout]  97 ~     match tokens[j - 1] {
[INFO] [stdout]  98 +         TokenType::Name(_) => j,
[INFO] [stdout]  99 +         _ => usize::MAX,
[INFO] [stdout] 100 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/post_processor.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn paren_classify(tokens: &mut Vec<TokenType>, i: usize) {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]     = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 103 - fn paren_classify(tokens: &mut Vec<TokenType>, i: usize) {
[INFO] [stdout] 103 + fn paren_classify(tokens: &mut [TokenType], i: usize) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/post_processor.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     match tokens[i - 1] {
[INFO] [stdout] 116 | |         TokenType::Name(_) => {
[INFO] [stdout] 117 | |             tokens[i] = TokenType::LeftCallParenthesis;
[INFO] [stdout] 118 | |             tokens[j] = TokenType::RightCallParenthesis;
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |         _ => (),
[INFO] [stdout] 122 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 115 ~     if let TokenType::Name(_) = tokens[i - 1] {
[INFO] [stdout] 116 +         tokens[i] = TokenType::LeftCallParenthesis;
[INFO] [stdout] 117 +         tokens[j] = TokenType::RightCallParenthesis;
[INFO] [stdout] 118 +         return;
[INFO] [stdout] 119 +     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/post_processor.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let to_add: (TokenType, TokenType);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `to_add` here and remove the assignments from the branches
[INFO] [stdout]     |
[INFO] [stdout] 124 ~     
[INFO] [stdout] 125 ~     let to_add: (TokenType, TokenType) = if tokens[j + 1] == TokenType::Lambda {
[INFO] [stdout] 126 ~         (
[INFO] [stdout] 127 |             TokenType::LeftFuncParenthesis,
[INFO] [stdout] 128 |             TokenType::RightFuncParenthesis,
[INFO] [stdout] 129 ~         )
[INFO] [stdout] 130 |     } else {
[INFO] [stdout] 131 ~         (
[INFO] [stdout] 132 |             TokenType::LeftCaptureParenthesis,
[INFO] [stdout] 133 |             TokenType::RightCaptureParenthesis,
[INFO] [stdout] 134 ~         )
[INFO] [stdout] 135 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/post_processor.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     return i;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 168 -     return i;
[INFO] [stdout] 168 +     i
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/post_processor.rs:160:36
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn advance_to(start: usize, array: &Vec<TokenType>, token: TokenType, sign: i32) -> usize {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 160 - fn advance_to(start: usize, array: &Vec<TokenType>, token: TokenType, sign: i32) -> usize {
[INFO] [stdout] 160 + fn advance_to(start: usize, array: &[TokenType], token: TokenType, sign: i32) -> usize {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/post_processor.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         match &tokens[i] {
[INFO] [stdout] 57 | |             TokenType::Lambda => {
[INFO] [stdout] 58 | |                 let index: usize = set_func_add(tokens, i);
[INFO] [stdout] 59 | |                 if index != tokens.len() {
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |             _ => (),
[INFO] [stdout] 64 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 56 ~         if tokens[i] == TokenType::Lambda {
[INFO] [stdout] 57 +             let index: usize = set_func_add(tokens, i);
[INFO] [stdout] 58 +             if index != tokens.len() {
[INFO] [stdout] 59 +                 to_add.push(index);
[INFO] [stdout] 60 +             }
[INFO] [stdout] 61 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/post_processor.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 | /         match &tokens[i] {
[INFO] [stdout] 89 | |             TokenType::LeftParenthesis => paren_classify(tokens, i),
[INFO] [stdout] 90 | |             _ => (),
[INFO] [stdout] 91 | |         }
[INFO] [stdout]    | |_________^ help: try: `if tokens[i] == TokenType::LeftParenthesis { paren_classify(tokens, i) }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/post_processor.rs:97:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | /     return match tokens[j - 1] {
[INFO] [stdout]  98 | |         TokenType::Name(_) => j,
[INFO] [stdout]  99 | |         _ => usize::MAX,
[INFO] [stdout] 100 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout]  97 ~     match tokens[j - 1] {
[INFO] [stdout]  98 +         TokenType::Name(_) => j,
[INFO] [stdout]  99 +         _ => usize::MAX,
[INFO] [stdout] 100 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/post_processor.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn paren_classify(tokens: &mut Vec<TokenType>, i: usize) {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]     = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 103 - fn paren_classify(tokens: &mut Vec<TokenType>, i: usize) {
[INFO] [stdout] 103 + fn paren_classify(tokens: &mut [TokenType], i: usize) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/post_processor.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     match tokens[i - 1] {
[INFO] [stdout] 116 | |         TokenType::Name(_) => {
[INFO] [stdout] 117 | |             tokens[i] = TokenType::LeftCallParenthesis;
[INFO] [stdout] 118 | |             tokens[j] = TokenType::RightCallParenthesis;
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |         _ => (),
[INFO] [stdout] 122 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 115 ~     if let TokenType::Name(_) = tokens[i - 1] {
[INFO] [stdout] 116 +         tokens[i] = TokenType::LeftCallParenthesis;
[INFO] [stdout] 117 +         tokens[j] = TokenType::RightCallParenthesis;
[INFO] [stdout] 118 +         return;
[INFO] [stdout] 119 +     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/post_processor.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let to_add: (TokenType, TokenType);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `to_add` here and remove the assignments from the branches
[INFO] [stdout]     |
[INFO] [stdout] 124 ~     
[INFO] [stdout] 125 ~     let to_add: (TokenType, TokenType) = if tokens[j + 1] == TokenType::Lambda {
[INFO] [stdout] 126 ~         (
[INFO] [stdout] 127 |             TokenType::LeftFuncParenthesis,
[INFO] [stdout] 128 |             TokenType::RightFuncParenthesis,
[INFO] [stdout] 129 ~         )
[INFO] [stdout] 130 |     } else {
[INFO] [stdout] 131 ~         (
[INFO] [stdout] 132 |             TokenType::LeftCaptureParenthesis,
[INFO] [stdout] 133 |             TokenType::RightCaptureParenthesis,
[INFO] [stdout] 134 ~         )
[INFO] [stdout] 135 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/post_processor.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     return i;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 168 -     return i;
[INFO] [stdout] 168 +     i
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/post_processor.rs:160:36
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn advance_to(start: usize, array: &Vec<TokenType>, token: TokenType, sign: i32) -> usize {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 160 - fn advance_to(start: usize, array: &Vec<TokenType>, token: TokenType, sign: i32) -> usize {
[INFO] [stdout] 160 + fn advance_to(start: usize, array: &[TokenType], token: TokenType, sign: i32) -> usize {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   return Regex::is_match(&Regex::new(regex).unwrap(), &token);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 14 -   return Regex::is_match(&Regex::new(regex).unwrap(), &token);
[INFO] [stdout] 14 +   Regex::is_match(&Regex::new(regex).unwrap(), &token)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   return Regex::is_match(&Regex::new(regex).unwrap(), &token);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 14 -   return Regex::is_match(&Regex::new(regex).unwrap(), &token);
[INFO] [stdout] 14 +   Regex::is_match(&Regex::new(regex).unwrap(), &token)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:14:55
[INFO] [stdout]    |
[INFO] [stdout] 14 |   return Regex::is_match(&Regex::new(regex).unwrap(), &token);
[INFO] [stdout]    |                                                       ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:14:55
[INFO] [stdout]    |
[INFO] [stdout] 14 |   return Regex::is_match(&Regex::new(regex).unwrap(), &token);
[INFO] [stdout]    |                                                       ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 | /   return Token {
[INFO] [stdout] 63 | |     token: token_type,
[INFO] [stdout] 64 | |     length: token.len()
[INFO] [stdout] 65 | |   };
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 62 ~   Token {
[INFO] [stdout] 63 +     token: token_type,
[INFO] [stdout] 64 +     length: token.len()
[INFO] [stdout] 65 ~   }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 | /   return Token {
[INFO] [stdout] 63 | |     token: token_type,
[INFO] [stdout] 64 | |     length: token.len()
[INFO] [stdout] 65 | |   };
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 62 ~   Token {
[INFO] [stdout] 63 +     token: token_type,
[INFO] [stdout] 64 +     length: token.len()
[INFO] [stdout] 65 ~   }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]   --> src/lexer.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 |   } else if "([{".contains(&token) {
[INFO] [stdout]    |                            ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrows_for_generic_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]   --> src/lexer.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 |   } else if ")]}".contains(&token) {
[INFO] [stdout]    |                            ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]   --> src/lexer.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 |   } else if "([{".contains(&token) {
[INFO] [stdout]    |                            ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrows_for_generic_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:50:41
[INFO] [stdout]    |
[INFO] [stdout] 50 |   } else if matches_regex(STRING_REGEX, &token) {
[INFO] [stdout]    |                                         ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 |   } else if matches_regex(DEC_REGEX, &token) {
[INFO] [stdout]    |                                      ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]   --> src/lexer.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 |   } else if ")]}".contains(&token) {
[INFO] [stdout]    |                            ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |   } else if matches_regex(NUM_REGEX, &token) {
[INFO] [stdout]    |                                      ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:50:41
[INFO] [stdout]    |
[INFO] [stdout] 50 |   } else if matches_regex(STRING_REGEX, &token) {
[INFO] [stdout]    |                                         ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:56:41
[INFO] [stdout]    |
[INFO] [stdout] 56 |   } else if matches_regex(SYMBOL_REGEX, &token) {
[INFO] [stdout]    |                                         ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/lexer.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 |   if !token.is_none() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^ help: try: `token.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `token` after checking its variant with `is_none`
[INFO] [stdout]   --> src/lexer.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |   if !token.is_none() {
[INFO] [stdout]    |       --------------- the check is happening here
[INFO] [stdout] 81 |     let t: Match = token.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 |   } else if matches_regex(DEC_REGEX, &token) {
[INFO] [stdout]    |                                      ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |   } else if matches_regex(NUM_REGEX, &token) {
[INFO] [stdout]    |                                      ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lexer.rs:56:41
[INFO] [stdout]    |
[INFO] [stdout] 56 |   } else if matches_regex(SYMBOL_REGEX, &token) {
[INFO] [stdout]    |                                         ^^^^^^ help: change this to: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/lexer.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 |   if !token.is_none() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^ help: try: `token.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `token` after checking its variant with `is_none`
[INFO] [stdout]   --> src/lexer.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |   if !token.is_none() {
[INFO] [stdout]    |       --------------- the check is happening here
[INFO] [stdout] 81 |     let t: Match = token.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:95:3
[INFO] [stdout]    |
[INFO] [stdout] 95 |   return output;
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 95 -   return output;
[INFO] [stdout] 95 +   output
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/lexer.rs:99:26
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn match_group(code: &Vec<Token>, mut i: usize) -> usize {
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 99 - pub fn match_group(code: &Vec<Token>, mut i: usize) -> usize {
[INFO] [stdout] 99 + pub fn match_group(code: &[Token], mut i: usize) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `ends_with` method
[INFO] [stdout]   --> src/main.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |   if code.chars().last().unwrap() != '\n' {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!code.ends_with('\n')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_last_cmp
[INFO] [stdout]    = note: `#[warn(clippy::chars_last_cmp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:95:3
[INFO] [stdout]    |
[INFO] [stdout] 95 |   return output;
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 95 -   return output;
[INFO] [stdout] 95 +   output
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:91:3
[INFO] [stdout]    |
[INFO] [stdout] 91 |   return a;
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 91 -   return a;
[INFO] [stdout] 91 +   a
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/lexer.rs:99:26
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn match_group(code: &Vec<Token>, mut i: usize) -> usize {
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 99 - pub fn match_group(code: &Vec<Token>, mut i: usize) -> usize {
[INFO] [stdout] 99 + pub fn match_group(code: &[Token], mut i: usize) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `ends_with` method
[INFO] [stdout]   --> src/main.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |   if code.chars().last().unwrap() != '\n' {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!code.ends_with('\n')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_last_cmp
[INFO] [stdout]    = note: `#[warn(clippy::chars_last_cmp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         if *code_iter.peek().unwrap() == &' ' {
[INFO] [stdout] 44 | |           while code_iter.next().unwrap() == &' ' {
[INFO] [stdout] 45 | |             num_spaces += 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 42 ~       '\n'
[INFO] [stdout] 43 ~         if *code_iter.peek().unwrap() == &' ' => {
[INFO] [stdout] 44 |           while code_iter.next().unwrap() == &' ' {
[INFO] [stdout] ...
[INFO] [stdout] 47 |           break;
[INFO] [stdout] 48 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     match c {
[INFO] [stdout] 42 | |       '\n' => {
[INFO] [stdout] 43 | |         if *code_iter.peek().unwrap() == &' ' {
[INFO] [stdout] 44 | |           while code_iter.next().unwrap() == &' ' {
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |       _ => (),
[INFO] [stdout] 51 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 41 ~     if c == &'\n' {
[INFO] [stdout] 42 +       if *code_iter.peek().unwrap() == &' ' {
[INFO] [stdout] 43 +         while code_iter.next().unwrap() == &' ' {
[INFO] [stdout] 44 +           num_spaces += 1;
[INFO] [stdout] 45 +         }
[INFO] [stdout] 46 +         break;
[INFO] [stdout] 47 +       }
[INFO] [stdout] 48 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:91:3
[INFO] [stdout]    |
[INFO] [stdout] 91 |   return a;
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 91 -   return a;
[INFO] [stdout] 91 +   a
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         if *code_iter.peek().unwrap() == &' ' {
[INFO] [stdout] 44 | |           while code_iter.next().unwrap() == &' ' {
[INFO] [stdout] 45 | |             num_spaces += 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 42 ~       '\n'
[INFO] [stdout] 43 ~         if *code_iter.peek().unwrap() == &' ' => {
[INFO] [stdout] 44 |           while code_iter.next().unwrap() == &' ' {
[INFO] [stdout] ...
[INFO] [stdout] 47 |           break;
[INFO] [stdout] 48 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     match c {
[INFO] [stdout] 42 | |       '\n' => {
[INFO] [stdout] 43 | |         if *code_iter.peek().unwrap() == &' ' {
[INFO] [stdout] 44 | |           while code_iter.next().unwrap() == &' ' {
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |       _ => (),
[INFO] [stdout] 51 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 41 ~     if c == &'\n' {
[INFO] [stdout] 42 +       if *code_iter.peek().unwrap() == &' ' {
[INFO] [stdout] 43 +         while code_iter.next().unwrap() == &' ' {
[INFO] [stdout] 44 +           num_spaces += 1;
[INFO] [stdout] 45 +         }
[INFO] [stdout] 46 +         break;
[INFO] [stdout] 47 +       }
[INFO] [stdout] 48 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:98:3
[INFO] [stdout]    |
[INFO] [stdout] 98 |   return contents;
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 98 -   return contents;
[INFO] [stdout] 98 +   contents
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:98:3
[INFO] [stdout]    |
[INFO] [stdout] 98 |   return contents;
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 98 -   return contents;
[INFO] [stdout] 98 +   contents
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "70ba98cb7f49bfd3d7fcca470322bdfcb706dfbfd7f7c734b46e38291e083350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ba98cb7f49bfd3d7fcca470322bdfcb706dfbfd7f7c734b46e38291e083350", kill_on_drop: false }`
[INFO] [stdout] 70ba98cb7f49bfd3d7fcca470322bdfcb706dfbfd7f7c734b46e38291e083350