[INFO] cloning repository https://github.com/WillFrancois/Tiny-Toml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WillFrancois/Tiny-Toml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillFrancois%2FTiny-Toml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillFrancois%2FTiny-Toml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a5e102750eb6eba502b01179dd1d60201f0099e
[INFO] linting WillFrancois/Tiny-Toml against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillFrancois%2FTiny-Toml" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WillFrancois/Tiny-Toml
[INFO] finished tweaking git repo https://github.com/WillFrancois/Tiny-Toml
[INFO] tweaked toml for git repo https://github.com/WillFrancois/Tiny-Toml written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WillFrancois/Tiny-Toml 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/WillFrancois/Tiny-Toml 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] [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-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] 9531639dfa660e92a9b8627ca2a352a5ece2d40034be5fc270123a6a8a683cd1
[INFO] running `Command { std: "docker" "start" "-a" "9531639dfa660e92a9b8627ca2a352a5ece2d40034be5fc270123a6a8a683cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9531639dfa660e92a9b8627ca2a352a5ece2d40034be5fc270123a6a8a683cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9531639dfa660e92a9b8627ca2a352a5ece2d40034be5fc270123a6a8a683cd1", kill_on_drop: false }`
[INFO] [stdout] 9531639dfa660e92a9b8627ca2a352a5ece2d40034be5fc270123a6a8a683cd1
[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] 2fd7faf73152350c4ca173bee44dccc34ae064ea8309c9fd74a83babecb23393
[INFO] running `Command { std: "docker" "start" "-a" "2fd7faf73152350c4ca173bee44dccc34ae064ea8309c9fd74a83babecb23393", kill_on_drop: false }`
[INFO] [stderr]     Checking toml_parse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/grammar.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::{RefCell, RefMut};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lexer.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             tag: tag,
[INFO] [stdout]    |             ^^^^^^^^ help: replace it with: `tag`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lexer.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             location: location,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `location`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lexer.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             content: content,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `content`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/grammar.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::{RefCell, RefMut};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lexer.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             tag: tag,
[INFO] [stdout]    |             ^^^^^^^^ help: replace it with: `tag`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lexer.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             location: location,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `location`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lexer.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             content: content,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `content`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `check_buffer` is never read
[INFO] [stdout]    --> src/lexer.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |             check_buffer = 0;
[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: unneeded `return` statement
[INFO] [stdout]   --> src/grammar.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | /         return GrammarNode {
[INFO] [stdout] 15 | |             valid_token_types: vec![],
[INFO] [stdout] 16 | |             neighbors: vec![],
[INFO] [stdout] 17 | |             side_effect: Box::new(|_| return true),
[INFO] [stdout] 18 | |             end_node: false,
[INFO] [stdout] 19 | |         };
[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] 14 ~         GrammarNode {
[INFO] [stdout] 15 +             valid_token_types: vec![],
[INFO] [stdout] 16 +             neighbors: vec![],
[INFO] [stdout] 17 +             side_effect: Box::new(|_| return true),
[INFO] [stdout] 18 +             end_node: false,
[INFO] [stdout] 19 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/grammar.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |             side_effect: Box::new(|_| return true),
[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] 17 -             side_effect: Box::new(|_| return true),
[INFO] [stdout] 17 +             side_effect: Box::new(|_| true),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/grammar.rs:22:77
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn add_valid_token_types(&mut self, token_types: Vec<TOMLTOKENTYPE>) -> () {
[INFO] [stdout]    |                                                                             ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/grammar.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return self.valid_token_types.clone();
[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] 27 -         return self.valid_token_types.clone();
[INFO] [stdout] 27 +         self.valid_token_types.clone()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/grammars/comment.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |             && !r.is_none()
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: try: `r.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: unneeded `return` statement
[INFO] [stdout]   --> src/grammars/comment.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     return false;
[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] 74 -     return false;
[INFO] [stdout] 74 +     false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `r.1` after checking its variant with `is_some`
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:228:60
[INFO] [stdout]     |
[INFO] [stdout] 222 |         if r.1.is_some() {
[INFO] [stdout]     |         ---------------- help: try: `if let Some(<item>) = r.1`
[INFO] [stdout] ...
[INFO] [stdout] 228 |             let next_pos = current_node.borrow().neighbors[r.1.unwrap().0].clone();
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[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/grammars/kv_pairing.rs:254:5
[INFO] [stdout]     |
[INFO] [stdout] 254 |     return false;
[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] 254 -     return false;
[INFO] [stdout] 254 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 | /             if let ref mut s = STACK {
[INFO] [stdout] 196 | |                 if s.len() > 0 {
[INFO] [stdout] 197 | |                     return false;
[INFO] [stdout] 198 | |                 }
[INFO] [stdout] 199 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 195 ~             if let ref mut s = STACK
[INFO] [stdout] 196 ~                 && s.len() > 0 {
[INFO] [stdout] 197 |                     return false;
[INFO] [stdout] 198 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 if s.len() > 0 {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!s.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: this `if` statement can be collapsed
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 | /             if let ref mut s = STACK {
[INFO] [stdout] 207 | |                 if s.len() > 0 {
[INFO] [stdout] 208 | |                     return false;
[INFO] [stdout] 209 | |                 }
[INFO] [stdout] 210 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 206 ~             if let ref mut s = STACK
[INFO] [stdout] 207 ~                 && s.len() > 0 {
[INFO] [stdout] 208 |                     return false;
[INFO] [stdout] 209 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:207:20
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 if s.len() > 0 {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!s.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `TOMLTOKENTYPE` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum TOMLTOKENTYPE {
[INFO] [stdout]   |          ^^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Tomltokentype`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SLITERAL` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     SLITERAL,
[INFO] [stdout]   |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Sliteral`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SBOOL` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     SBOOL,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Sbool`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CDOT` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     CDOT,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Cdot`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CCOMMENT` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CCOMMENT,
[INFO] [stdout]   |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Ccomment`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CEQUALS` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     CEQUALS,
[INFO] [stdout]   |     ^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cequals`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CWHITESPACE` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     CWHITESPACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cwhitespace`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CNEWLINE` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     CNEWLINE,
[INFO] [stdout]   |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cnewline`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CSINGLEQUOTE` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CSINGLEQUOTE,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Csinglequote`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CDOUBLEQUOTE` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CDOUBLEQUOTE,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cdoublequote`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CDOUBLESTARTBRACKET` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     CDOUBLESTARTBRACKET,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cdoublestartbracket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CDOUBLEENDBRACKET` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     CDOUBLEENDBRACKET,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cdoubleendbracket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `NOVALUE` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     NOVALUE,
[INFO] [stdout]    |     ^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Novalue`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         return Token {
[INFO] [stdout] 27 | |             tag: tag,
[INFO] [stdout] 28 | |             location: location,
[INFO] [stdout] 29 | |             content: content,
[INFO] [stdout] 30 | |         };
[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] 26 ~         Token {
[INFO] [stdout] 27 +             tag: tag,
[INFO] [stdout] 28 +             location: location,
[INFO] [stdout] 29 +             content: content,
[INFO] [stdout] 30 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return self.tag;
[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] 51 -         return self.tag;
[INFO] [stdout] 51 +         self.tag
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         return self.location;
[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] 55 -         return self.location;
[INFO] [stdout] 55 +         self.location
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         return &self.content;
[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] 59 -         return &self.content;
[INFO] [stdout] 59 +         &self.content
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/lexer.rs:63:52
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn clean_whitespace_tokens(tokens: &mut Vec<Token>) -> () {
[INFO] [stdout]    |                                                    ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `tokens`
[INFO] [stdout]   --> src/lexer.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |     for i in 0..tokens.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 66 -     for i in 0..tokens.len() {
[INFO] [stdout] 66 +     for <item> in &mut tokens {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 236 |     return ret;
[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] 236 -     return ret;
[INFO] [stdout] 236 +     ret
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut String` instead of `&mut str` involves a new object where a slice will do
[INFO] [stdout]   --> src/lexer.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn tokenize(file_contents: &mut String) -> Vec<Token> {
[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] 80 ~ pub fn tokenize(file_contents: &mut str) -> Vec<Token> {
[INFO] [stdout] 81 |     let mut ret: Vec<Token> = vec![];
[INFO] [stdout] 82 ~     let mut char_vec = file_contents.to_owned().chars().collect::<Vec<char>>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/lexer.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 |     while char_vec.len() > 0 {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!char_vec.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]   --> src/lexer.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '#' {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]    = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]   --> src/lexer.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '=' {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == 0x09 as char
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |             || *char_vec.get(0).unwrap_or(&(0x00 as char)) == 0x20 as char
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 char_vec.get(0).unwrap_or(&(0x00 as char)).to_string(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == 0x0a as char
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             || *char_vec.get(0).unwrap_or(&(0x00 as char)) == 0x0d as char
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 char_vec.get(0).unwrap_or(&(0x00 as char)).to_string(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '"' {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:139:20
[INFO] [stdout]     |
[INFO] [stdout] 139 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '\'' {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:148:20
[INFO] [stdout]     |
[INFO] [stdout] 148 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '.' {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '['
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 char_vec.get(0).unwrap_or(&(0x00 as char)).to_string()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == ']'
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 char_vec.get(0).unwrap_or(&(0x00 as char)).to_string()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:208:20
[INFO] [stdout]     |
[INFO] [stdout] 208 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '\\' {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/lexer.rs:220:32
[INFO] [stdout]     |
[INFO] [stdout] 220 |         if check_buffer > 0 && buffer.len() > 0 {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!buffer.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     if tokens.len() > 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!tokens.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `check_buffer` is never read
[INFO] [stdout]    --> src/lexer.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |             check_buffer = 0;
[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: unneeded `return` statement
[INFO] [stdout]   --> src/grammar.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | /         return GrammarNode {
[INFO] [stdout] 15 | |             valid_token_types: vec![],
[INFO] [stdout] 16 | |             neighbors: vec![],
[INFO] [stdout] 17 | |             side_effect: Box::new(|_| return true),
[INFO] [stdout] 18 | |             end_node: false,
[INFO] [stdout] 19 | |         };
[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] 14 ~         GrammarNode {
[INFO] [stdout] 15 +             valid_token_types: vec![],
[INFO] [stdout] 16 +             neighbors: vec![],
[INFO] [stdout] 17 +             side_effect: Box::new(|_| return true),
[INFO] [stdout] 18 +             end_node: false,
[INFO] [stdout] 19 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/grammar.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |             side_effect: Box::new(|_| return true),
[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] 17 -             side_effect: Box::new(|_| return true),
[INFO] [stdout] 17 +             side_effect: Box::new(|_| true),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/grammar.rs:22:77
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn add_valid_token_types(&mut self, token_types: Vec<TOMLTOKENTYPE>) -> () {
[INFO] [stdout]    |                                                                             ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/grammar.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return self.valid_token_types.clone();
[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] 27 -         return self.valid_token_types.clone();
[INFO] [stdout] 27 +         self.valid_token_types.clone()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/grammars/comment.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |             && !r.is_none()
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: try: `r.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: unneeded `return` statement
[INFO] [stdout]   --> src/grammars/comment.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     return false;
[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] 74 -     return false;
[INFO] [stdout] 74 +     false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `r.1` after checking its variant with `is_some`
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:228:60
[INFO] [stdout]     |
[INFO] [stdout] 222 |         if r.1.is_some() {
[INFO] [stdout]     |         ---------------- help: try: `if let Some(<item>) = r.1`
[INFO] [stdout] ...
[INFO] [stdout] 228 |             let next_pos = current_node.borrow().neighbors[r.1.unwrap().0].clone();
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[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/grammars/kv_pairing.rs:254:5
[INFO] [stdout]     |
[INFO] [stdout] 254 |     return false;
[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] 254 -     return false;
[INFO] [stdout] 254 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 | /             if let ref mut s = STACK {
[INFO] [stdout] 196 | |                 if s.len() > 0 {
[INFO] [stdout] 197 | |                     return false;
[INFO] [stdout] 198 | |                 }
[INFO] [stdout] 199 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 195 ~             if let ref mut s = STACK
[INFO] [stdout] 196 ~                 && s.len() > 0 {
[INFO] [stdout] 197 |                     return false;
[INFO] [stdout] 198 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 if s.len() > 0 {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!s.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: this `if` statement can be collapsed
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 | /             if let ref mut s = STACK {
[INFO] [stdout] 207 | |                 if s.len() > 0 {
[INFO] [stdout] 208 | |                     return false;
[INFO] [stdout] 209 | |                 }
[INFO] [stdout] 210 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 206 ~             if let ref mut s = STACK
[INFO] [stdout] 207 ~                 && s.len() > 0 {
[INFO] [stdout] 208 |                     return false;
[INFO] [stdout] 209 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/grammars/kv_pairing.rs:207:20
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 if s.len() > 0 {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!s.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `TOMLTOKENTYPE` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum TOMLTOKENTYPE {
[INFO] [stdout]   |          ^^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Tomltokentype`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SLITERAL` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     SLITERAL,
[INFO] [stdout]   |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Sliteral`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SBOOL` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     SBOOL,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Sbool`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CDOT` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     CDOT,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Cdot`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CCOMMENT` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CCOMMENT,
[INFO] [stdout]   |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Ccomment`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CEQUALS` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     CEQUALS,
[INFO] [stdout]   |     ^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cequals`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CWHITESPACE` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     CWHITESPACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cwhitespace`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CNEWLINE` contains a capitalized acronym
[INFO] [stdout]  --> src/lexer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     CNEWLINE,
[INFO] [stdout]   |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cnewline`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CSINGLEQUOTE` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CSINGLEQUOTE,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Csinglequote`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CDOUBLEQUOTE` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CDOUBLEQUOTE,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cdoublequote`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CDOUBLESTARTBRACKET` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     CDOUBLESTARTBRACKET,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cdoublestartbracket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CDOUBLEENDBRACKET` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     CDOUBLEENDBRACKET,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Cdoubleendbracket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `NOVALUE` contains a capitalized acronym
[INFO] [stdout]   --> src/lexer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     NOVALUE,
[INFO] [stdout]    |     ^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Novalue`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         return Token {
[INFO] [stdout] 27 | |             tag: tag,
[INFO] [stdout] 28 | |             location: location,
[INFO] [stdout] 29 | |             content: content,
[INFO] [stdout] 30 | |         };
[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] 26 ~         Token {
[INFO] [stdout] 27 +             tag: tag,
[INFO] [stdout] 28 +             location: location,
[INFO] [stdout] 29 +             content: content,
[INFO] [stdout] 30 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return self.tag;
[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] 51 -         return self.tag;
[INFO] [stdout] 51 +         self.tag
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         return self.location;
[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] 55 -         return self.location;
[INFO] [stdout] 55 +         self.location
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         return &self.content;
[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] 59 -         return &self.content;
[INFO] [stdout] 59 +         &self.content
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/lexer.rs:63:52
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn clean_whitespace_tokens(tokens: &mut Vec<Token>) -> () {
[INFO] [stdout]    |                                                    ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `tokens`
[INFO] [stdout]   --> src/lexer.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |     for i in 0..tokens.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 66 -     for i in 0..tokens.len() {
[INFO] [stdout] 66 +     for <item> in &mut tokens {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 236 |     return ret;
[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] 236 -     return ret;
[INFO] [stdout] 236 +     ret
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut String` instead of `&mut str` involves a new object where a slice will do
[INFO] [stdout]   --> src/lexer.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn tokenize(file_contents: &mut String) -> Vec<Token> {
[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] 80 ~ pub fn tokenize(file_contents: &mut str) -> Vec<Token> {
[INFO] [stdout] 81 |     let mut ret: Vec<Token> = vec![];
[INFO] [stdout] 82 ~     let mut char_vec = file_contents.to_owned().chars().collect::<Vec<char>>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/lexer.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 |     while char_vec.len() > 0 {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!char_vec.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]   --> src/lexer.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '#' {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]    = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]   --> src/lexer.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '=' {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == 0x09 as char
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |             || *char_vec.get(0).unwrap_or(&(0x00 as char)) == 0x20 as char
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 char_vec.get(0).unwrap_or(&(0x00 as char)).to_string(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == 0x0a as char
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             || *char_vec.get(0).unwrap_or(&(0x00 as char)) == 0x0d as char
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 char_vec.get(0).unwrap_or(&(0x00 as char)).to_string(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '"' {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:139:20
[INFO] [stdout]     |
[INFO] [stdout] 139 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '\'' {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:148:20
[INFO] [stdout]     |
[INFO] [stdout] 148 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '.' {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '['
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 char_vec.get(0).unwrap_or(&(0x00 as char)).to_string()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == ']'
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 char_vec.get(0).unwrap_or(&(0x00 as char)).to_string()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `char_vec.get(0)`
[INFO] [stdout]    --> src/lexer.rs:208:20
[INFO] [stdout]     |
[INFO] [stdout] 208 |         } else if *char_vec.get(0).unwrap_or(&(0x00 as char)) == '\\' {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ help: try: `char_vec.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/lexer.rs:220:32
[INFO] [stdout]     |
[INFO] [stdout] 220 |         if check_buffer > 0 && buffer.len() > 0 {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!buffer.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     if tokens.len() > 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!tokens.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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "2fd7faf73152350c4ca173bee44dccc34ae064ea8309c9fd74a83babecb23393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd7faf73152350c4ca173bee44dccc34ae064ea8309c9fd74a83babecb23393", kill_on_drop: false }`
[INFO] [stdout] 2fd7faf73152350c4ca173bee44dccc34ae064ea8309c9fd74a83babecb23393