[INFO] cloning repository https://github.com/duceux-guillaume/groenlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duceux-guillaume/groenlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduceux-guillaume%2Fgroenlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduceux-guillaume%2Fgroenlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaefb178670afc6486df7b8249214a69cba6c172
[INFO] linting duceux-guillaume/groenlang against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduceux-guillaume%2Fgroenlang" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/duceux-guillaume/groenlang
[INFO] finished tweaking git repo https://github.com/duceux-guillaume/groenlang
[INFO] tweaked toml for git repo https://github.com/duceux-guillaume/groenlang written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/duceux-guillaume/groenlang 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/duceux-guillaume/groenlang 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 578ebf25227444d53c30603e507a624156d1606b0231e3440892ddea5850683a
[INFO] running `Command { std: "docker" "start" "-a" "578ebf25227444d53c30603e507a624156d1606b0231e3440892ddea5850683a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "578ebf25227444d53c30603e507a624156d1606b0231e3440892ddea5850683a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578ebf25227444d53c30603e507a624156d1606b0231e3440892ddea5850683a", kill_on_drop: false }`
[INFO] [stdout] 578ebf25227444d53c30603e507a624156d1606b0231e3440892ddea5850683a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dbb7f326e191f1ddaad71ac0055edaf8a9a64543333c51eb37e7e77a7b9af5cc
[INFO] running `Command { std: "docker" "start" "-a" "dbb7f326e191f1ddaad71ac0055edaf8a9a64543333c51eb37e7e77a7b9af5cc", kill_on_drop: false }`
[INFO] [stderr]     Checking groenlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/parser.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             name: name,
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `name`
[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: unused variable: `fbody`
[INFO] [stdout]    --> src/parser.rs:295:24
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn body(&mut self, fbody: &mut ExpDesc, ismethod: bool) -> GResult<()> {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_fbody`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ismethod`
[INFO] [stdout]    --> src/parser.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn body(&mut self, fbody: &mut ExpDesc, ismethod: bool) -> GResult<()> {
[INFO] [stdout]     |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ismethod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Concat` is never constructed
[INFO] [stdout]   --> src/code.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum BinOpr {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     Concat,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinOpr` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `etype`, `line`, `expected_token`, and `current_token` are never read
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 12 |     etype: ErrorType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     expected_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     current_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Flt` is never constructed
[INFO] [stdout]   --> src/lexer.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 38 |     Flt(String),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `RFunction` and `KString` are never constructed
[INFO] [stdout]   --> src/object.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Value {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  8 |     RFunction(),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     KString(String), /* literal string */
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/code.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         return match candidate {
[INFO] [stdout] 39 | |             Char('+') => Some(Add),
[INFO] [stdout] 40 | |             Char('-') => Some(Sub),
[INFO] [stdout] 41 | |             Char('*') => Some(Mul),
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |             _ => None,
[INFO] [stdout] 60 | |         };
[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] 38 ~         match candidate {
[INFO] [stdout] 39 +             Char('+') => Some(Add),
[INFO] [stdout] 40 +             Char('-') => Some(Sub),
[INFO] [stdout] 41 +             Char('*') => Some(Mul),
[INFO] [stdout] 42 +             Char('%') => Some(Mod),
[INFO] [stdout] 43 +             Char('^') => Some(Pow),
[INFO] [stdout] 44 +             Char('/') => Some(Div),
[INFO] [stdout] 45 +             Idiv => Some(IDiv),
[INFO] [stdout] 46 +             Char('&') => Some(Band),
[INFO] [stdout] 47 +             Char('|') => Some(Bor),
[INFO] [stdout] 48 +             Char('~') => Some(BXor),
[INFO] [stdout] 49 +             Shl => Some(ShL),
[INFO] [stdout] 50 +             Shr => Some(ShR),
[INFO] [stdout] 51 +             Ne => Some(NE),
[INFO] [stdout] 52 +             Token::Eq => Some(BinOpr::Eq),
[INFO] [stdout] 53 +             Char('<') => Some(LT),
[INFO] [stdout] 54 +             Le => Some(LE),
[INFO] [stdout] 55 +             Char('>') => Some(GT),
[INFO] [stdout] 56 +             Ge => Some(GE),
[INFO] [stdout] 57 +             Token::And => Some(BinOpr::And),
[INFO] [stdout] 58 +             Token::Or => Some(BinOpr::Or),
[INFO] [stdout] 59 +             _ => None,
[INFO] [stdout] 60 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/code.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | /         return match &self {
[INFO] [stdout] 66 | |             /* arithmetic operators */
[INFO] [stdout] 67 | |             Add | Sub => 10,
[INFO] [stdout] 68 | |             Mul | Mod => 11,
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |             Or => 1,
[INFO] [stdout] 83 | |         };
[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] 65 ~         match &self {
[INFO] [stdout] 66 +             /* arithmetic operators */
[INFO] [stdout] 67 +             Add | Sub => 10,
[INFO] [stdout] 68 +             Mul | Mod => 11,
[INFO] [stdout] 69 +             Pow => 14,
[INFO] [stdout] 70 +             Div | IDiv => 11,
[INFO] [stdout] 71 +             /* bitwise operators */
[INFO] [stdout] 72 +             Band => 6,
[INFO] [stdout] 73 +             Bor => 4,
[INFO] [stdout] 74 +             BXor => 5,
[INFO] [stdout] 75 +             ShL | ShR => 7,
[INFO] [stdout] 76 +             /* string operator */
[INFO] [stdout] 77 +             Concat => 9,
[INFO] [stdout] 78 +             /* comparison operators */
[INFO] [stdout] 79 +             Eq | LT | LE | NE | GT | GE => 3,
[INFO] [stdout] 80 +             /* logical operators */
[INFO] [stdout] 81 +             And => 2,
[INFO] [stdout] 82 +             Or => 1,
[INFO] [stdout] 83 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:88:9
[INFO] [stdout]     |
[INFO] [stdout]  88 | /         return match &self {
[INFO] [stdout]  89 | |             /* arithmetic operators */
[INFO] [stdout]  90 | |             Add | Sub => 10,
[INFO] [stdout]  91 | |             Mul | Mod => 11,
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |             Or => 1,
[INFO] [stdout] 106 | |         };
[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]  88 ~         match &self {
[INFO] [stdout]  89 +             /* arithmetic operators */
[INFO] [stdout]  90 +             Add | Sub => 10,
[INFO] [stdout]  91 +             Mul | Mod => 11,
[INFO] [stdout]  92 +             Pow => 13,
[INFO] [stdout]  93 +             Div | IDiv => 11,
[INFO] [stdout]  94 +             /* bitwise operators */
[INFO] [stdout]  95 +             Band => 6,
[INFO] [stdout]  96 +             Bor => 4,
[INFO] [stdout]  97 +             BXor => 5,
[INFO] [stdout]  98 +             ShL | ShR => 7,
[INFO] [stdout]  99 +             /* string operator */
[INFO] [stdout] 100 +             Concat => 8,
[INFO] [stdout] 101 +             /* comparison operators */
[INFO] [stdout] 102 +             Eq | LT | LE | NE | GT | GE => 3,
[INFO] [stdout] 103 +             /* logical operators */
[INFO] [stdout] 104 +             And => 2,
[INFO] [stdout] 105 +             Or => 1,
[INFO] [stdout] 106 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 | /         return match (self, left, right) {
[INFO] [stdout] 113 | |             (Add, Int(l), Int(r)) => Some(Int(l + r)),
[INFO] [stdout] 114 | |             (Sub, Int(l), Int(r)) => Some(Int(l - r)),
[INFO] [stdout] 115 | |             (Mul, Int(l), Int(r)) => Some(Int(l * r)),
[INFO] [stdout] ...   |
[INFO] [stdout] 124 | |             (_, _, _) => None, //TODO: error
[INFO] [stdout] 125 | |         };
[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] 112 ~         match (self, left, right) {
[INFO] [stdout] 113 +             (Add, Int(l), Int(r)) => Some(Int(l + r)),
[INFO] [stdout] 114 +             (Sub, Int(l), Int(r)) => Some(Int(l - r)),
[INFO] [stdout] 115 +             (Mul, Int(l), Int(r)) => Some(Int(l * r)),
[INFO] [stdout] 116 +             (Pow, Int(l), Int(r)) => Some(Int(l ^ r)),
[INFO] [stdout] 117 +             (Mod, Int(l), Int(r)) => Some(Int(l % r)),
[INFO] [stdout] 118 +             (Div, Int(l), Int(r)) => Some(Int(l / r)),
[INFO] [stdout] 119 +             (Add, Number(l), Number(r)) => Some(Number(l + r)),
[INFO] [stdout] 120 +             (Sub, Number(l), Number(r)) => Some(Number(l - r)),
[INFO] [stdout] 121 +             (Mul, Number(l), Number(r)) => Some(Number(l * r)),
[INFO] [stdout] 122 +             (Mod, Number(l), Number(r)) => Some(Number(l % r)),
[INFO] [stdout] 123 +             (Div, Number(l), Number(r)) => Some(Number(l / r)),
[INFO] [stdout] 124 +             (_, _, _) => None, //TODO: error
[INFO] [stdout] 125 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         return match candidate {
[INFO] [stdout] 138 | |             Token::Char('-') => Some(UnOpr::Minus),
[INFO] [stdout] 139 | |             Token::Char('!') => Some(UnOpr::Not),
[INFO] [stdout] 140 | |             _ => None,
[INFO] [stdout] 141 | |         };
[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] 137 ~         match candidate {
[INFO] [stdout] 138 +             Token::Char('-') => Some(UnOpr::Minus),
[INFO] [stdout] 139 +             Token::Char('!') => Some(UnOpr::Not),
[INFO] [stdout] 140 +             _ => None,
[INFO] [stdout] 141 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | /         return match (self, v) {
[INFO] [stdout] 148 | |             (Minus, Int(i)) => Some(Int(-i)),
[INFO] [stdout] 149 | |             (Minus, Number(f)) => Some(Number(-f)),
[INFO] [stdout] 150 | |             (Not, Bool(b)) => Some(Bool(!b)),
[INFO] [stdout] 151 | |             (_, _) => None,
[INFO] [stdout] 152 | |         };
[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] 147 ~         match (self, v) {
[INFO] [stdout] 148 +             (Minus, Int(i)) => Some(Int(-i)),
[INFO] [stdout] 149 +             (Minus, Number(f)) => Some(Number(-f)),
[INFO] [stdout] 150 +             (Not, Bool(b)) => Some(Bool(!b)),
[INFO] [stdout] 151 +             (_, _) => None,
[INFO] [stdout] 152 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         return 12;
[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] 156 -         return 12;
[INFO] [stdout] 156 +         12
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/error.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         return Error {
[INFO] [stdout] 21 | |             etype: ErrorType::Syntactic(),
[INFO] [stdout] 22 | |             line: l,
[INFO] [stdout] 23 | |             expected_token: e,
[INFO] [stdout] 24 | |             current_token: c,
[INFO] [stdout] 25 | |         };
[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] 20 ~         Error {
[INFO] [stdout] 21 +             etype: ErrorType::Syntactic(),
[INFO] [stdout] 22 +             line: l,
[INFO] [stdout] 23 +             expected_token: e,
[INFO] [stdout] 24 +             current_token: c,
[INFO] [stdout] 25 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/error.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         return Error {
[INFO] [stdout] 30 | |             etype: ErrorType::Semantic(),
[INFO] [stdout] 31 | |             line: l,
[INFO] [stdout] 32 | |             expected_token: e,
[INFO] [stdout] 33 | |             current_token: c,
[INFO] [stdout] 34 | |         };
[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] 29 ~         Error {
[INFO] [stdout] 30 +             etype: ErrorType::Semantic(),
[INFO] [stdout] 31 +             line: l,
[INFO] [stdout] 32 +             expected_token: e,
[INFO] [stdout] 33 +             current_token: c,
[INFO] [stdout] 34 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/error.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         return Error {
[INFO] [stdout] 39 | |             etype: ErrorType::Semantic(),
[INFO] [stdout] 40 | |             line: l,
[INFO] [stdout] 41 | |             expected_token: e,
[INFO] [stdout] 42 | |             current_token: c,
[INFO] [stdout] 43 | |         };
[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] 38 ~         Error {
[INFO] [stdout] 39 +             etype: ErrorType::Semantic(),
[INFO] [stdout] 40 +             line: l,
[INFO] [stdout] 41 +             expected_token: e,
[INFO] [stdout] 42 +             current_token: c,
[INFO] [stdout] 43 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         return None;
[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] 73 -         return None;
[INFO] [stdout] 73 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         return LexState {
[INFO] [stdout] 102 | |             current: '\n',
[INFO] [stdout] 103 | |             linenumber: 0,
[INFO] [stdout] 104 | |             lastline: 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |         };
[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] 101 ~         LexState {
[INFO] [stdout] 102 +             current: '\n',
[INFO] [stdout] 103 +             linenumber: 0,
[INFO] [stdout] 104 +             lastline: 0,
[INFO] [stdout] 105 +             token: Token::Eos,
[INFO] [stdout] 106 +             lookahead: None,
[INFO] [stdout] 107 +             //state: Weak::new(),
[INFO] [stdout] 108 +             zio: Zio::new(input),
[INFO] [stdout] 109 +             buff: vec![],
[INFO] [stdout] 110 +             //h: Table::new(),
[INFO] [stdout] 111 +             //source: String::new(),
[INFO] [stdout] 112 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         return self.linenumber;
[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] 116 -         return self.linenumber;
[INFO] [stdout] 116 +         self.linenumber
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         return self.token.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] 120 -         return self.token.clone();
[INFO] [stdout] 120 +         self.token.clone()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         return Ok(());
[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] 132 -         return Ok(());
[INFO] [stdout] 132 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         return s;
[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] 262 -         return s;
[INFO] [stdout] 262 +         s
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         return Token::Int(number_str.to_owned());
[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] 273 -         return Token::Int(number_str.to_owned());
[INFO] [stdout] 273 +         Token::Int(number_str.to_owned())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/lexer.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |         while self.current.is_digit(10) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.current.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         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] 286 -         return false;
[INFO] [stdout] 286 +         false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |         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] 310 -         return true;
[INFO] [stdout] 310 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/lexer.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 | /         if self.current_is_new_line() && self.current != old {
[INFO] [stdout] 305 | |             if !self.next_char() {
[INFO] [stdout] 306 | |                 /* skip '\n\r' or '\r\n' */
[INFO] [stdout] 307 | |                 return false;
[INFO] [stdout] 308 | |             }
[INFO] [stdout] 309 | |         }
[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] 304 ~         if self.current_is_new_line() && self.current != old
[INFO] [stdout] 305 ~             && !self.next_char() {
[INFO] [stdout] 306 |                 /* skip '\n\r' or '\r\n' */
[INFO] [stdout] 307 |                 return false;
[INFO] [stdout] 308 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         return Ok(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] 322 -         return Ok(false);
[INFO] [stdout] 322 +         Ok(false)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 | /         return if !moved {
[INFO] [stdout] 328 | |             Err(Error::syntactical(
[INFO] [stdout] 329 | |                 self.linenumber,
[INFO] [stdout] 330 | |                 c.to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 334 | |             Ok(())
[INFO] [stdout] 335 | |         };
[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] 327 ~         if !moved {
[INFO] [stdout] 328 +             Err(Error::syntactical(
[INFO] [stdout] 329 +                 self.linenumber,
[INFO] [stdout] 330 +                 c.to_string(),
[INFO] [stdout] 331 +                 self.token.to_string(),
[INFO] [stdout] 332 +             ))
[INFO] [stdout] 333 +         } else {
[INFO] [stdout] 334 +             Ok(())
[INFO] [stdout] 335 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         return self.next_if_token(Token::Char(c));
[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] 339 -         return self.next_if_token(Token::Char(c));
[INFO] [stdout] 339 +         self.next_if_token(Token::Char(c))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         return self.check_next_is_token(Token::Char(c));
[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] 343 -         return self.check_next_is_token(Token::Char(c));
[INFO] [stdout] 343 +         self.check_next_is_token(Token::Char(c))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `i` after checking its variant with `is_ok`
[INFO] [stdout]   --> src/object.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |         if i.is_ok() {
[INFO] [stdout]    |         ------------ help: try: `if let Ok(<item>) = i`
[INFO] [stdout] 20 |             /* try as an integer */
[INFO] [stdout] 21 |             return Some(Value::Int(i.unwrap()));
[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: called `unwrap` on `f` after checking its variant with `is_ok`
[INFO] [stdout]   --> src/object.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if f.is_ok() {
[INFO] [stdout]    |         ------------ help: try: `if let Ok(<item>) = f`
[INFO] [stdout] 25 |             /* else try as a float */
[INFO] [stdout] 26 |             return Some(Value::Number(f.unwrap()));
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/object.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         return None;
[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] 28 -         return None;
[INFO] [stdout] 28 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         return ExpDesc {
[INFO] [stdout] 38 | |             literal_value: None,
[INFO] [stdout] 39 | |             kind: ExpKind::Void,
[INFO] [stdout] 40 | |             var: None,
[INFO] [stdout] 41 | |         };
[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] 37 ~         ExpDesc {
[INFO] [stdout] 38 +             literal_value: None,
[INFO] [stdout] 39 +             kind: ExpKind::Void,
[INFO] [stdout] 40 +             var: None,
[INFO] [stdout] 41 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         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] 57 -         return false;
[INFO] [stdout] 57 +         false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | /         return match self.kind {
[INFO] [stdout] 69 | |             Nil => Some(Value::Nil()),
[INFO] [stdout] 70 | |             Bool | ConstInt | ConstFlt => self.literal_value.clone(),
[INFO] [stdout] 71 | |             _ => return None,
[INFO] [stdout] 72 | |         };
[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] 68 ~         match self.kind {
[INFO] [stdout] 69 +             Nil => Some(Value::Nil()),
[INFO] [stdout] 70 +             Bool | ConstInt | ConstFlt => self.literal_value.clone(),
[INFO] [stdout] 71 +             _ => return None,
[INFO] [stdout] 72 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         return match (&self.kind, &self.literal_value) {
[INFO] [stdout] 77 | |             (ExpKind::Nil, _) => false,
[INFO] [stdout] 78 | |             (ExpKind::Bool, Some(Value::Bool(b))) => *b,
[INFO] [stdout] 79 | |             (_, _) => false,
[INFO] [stdout] 80 | |         };
[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] 76 ~         match (&self.kind, &self.literal_value) {
[INFO] [stdout] 77 +             (ExpKind::Nil, _) => false,
[INFO] [stdout] 78 +             (ExpKind::Bool, Some(Value::Bool(b))) => *b,
[INFO] [stdout] 79 +             (_, _) => false,
[INFO] [stdout] 80 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         return VarDesc {
[INFO] [stdout] 102 | |             value: Value::Nil(),
[INFO] [stdout] 103 | |             name: name,
[INFO] [stdout] 104 | |         };
[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] 101 ~         VarDesc {
[INFO] [stdout] 102 +             value: Value::Nil(),
[INFO] [stdout] 103 +             name: name,
[INFO] [stdout] 104 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         return None;
[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] 122 -         return None;
[INFO] [stdout] 122 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Iterator::find`
[INFO] [stdout]    --> src/parser.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | /         for v in self.actvar.iter_mut() {
[INFO] [stdout] 118 | |             if v.name == name {
[INFO] [stdout] 119 | |                 return Some(v);
[INFO] [stdout] ...   |
[INFO] [stdout] 122 | |         return None;
[INFO] [stdout]     | |____________________^ help: replace with an iterator: `self.actvar.iter_mut().find(|v| v.name == name).map(|v| v as _)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: you may need to dereference some variables
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_find
[INFO] [stdout]     = note: `#[warn(clippy::manual_find)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         return None;
[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] 131 -         return None;
[INFO] [stdout] 131 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         return FuncState { blocks: vec![] };
[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] 146 -         return FuncState { blocks: vec![] };
[INFO] [stdout] 146 +         FuncState { blocks: vec![] }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         return Err(Error::semantic(0, name, "unknown".to_owned()));
[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] 156 -         return Err(Error::semantic(0, name, "unknown".to_owned()));
[INFO] [stdout] 156 +         Err(Error::semantic(0, name, "unknown".to_owned()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         return Err(Error::semantic(0, name, "unknown".to_owned()));
[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] 165 -         return Err(Error::semantic(0, name, "unknown".to_owned()));
[INFO] [stdout] 165 +         Err(Error::semantic(0, name, "unknown".to_owned()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/parser.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |         if self.blocks.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.blocks.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: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         return p.statlist();
[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] 195 -         return p.statlist();
[INFO] [stdout] 195 +         p.statlist()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 | /         return Parser {
[INFO] [stdout] 200 | |             ls: LexState::new(input),
[INFO] [stdout] 201 | |             fs: FuncState::new(),
[INFO] [stdout] 202 | |         };
[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] 199 ~         Parser {
[INFO] [stdout] 200 +             ls: LexState::new(input),
[INFO] [stdout] 201 +             fs: FuncState::new(),
[INFO] [stdout] 202 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |         return Ok(());
[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] 282 -         return Ok(());
[INFO] [stdout] 282 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         return self.body(&mut fbody, 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] 292 -         return self.body(&mut fbody, true);
[INFO] [stdout] 292 +         self.body(&mut fbody, true)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         return Ok(());
[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] 303 -         return Ok(());
[INFO] [stdout] 303 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |         return self.ls.check_next_is_char(')');
[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] 309 -         return self.ls.check_next_is_char(')');
[INFO] [stdout] 309 +         self.ls.check_next_is_char(')')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         return Ok(());
[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] 332 -         return Ok(());
[INFO] [stdout] 332 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             return Ok(name);
[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] 342 -             return Ok(name);
[INFO] [stdout] 342 +             Ok(name)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 | /             return Err(Error::syntactical(
[INFO] [stdout] 345 | |                 self.ls.linenumber(),
[INFO] [stdout] 346 | |                 "<name>".to_owned(),
[INFO] [stdout] 347 | |                 self.ls.current().to_string(),
[INFO] [stdout] 348 | |             ));
[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] 344 ~             Err(Error::syntactical(
[INFO] [stdout] 345 +                 self.ls.linenumber(),
[INFO] [stdout] 346 +                 "<name>".to_owned(),
[INFO] [stdout] 347 +                 self.ls.current().to_string(),
[INFO] [stdout] 348 ~             ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         return Ok(());
[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] 354 -         return Ok(());
[INFO] [stdout] 354 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |         return Ok(opt); /* return first untreated operator */
[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] 386 -         return Ok(opt); /* return first untreated operator */
[INFO] [stdout] 386 +         Ok(opt)/* return first untreated operator */
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |         return Ok(());
[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] 404 -         return Ok(());
[INFO] [stdout] 404 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         return Ok(());
[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] 417 -         return Ok(());
[INFO] [stdout] 417 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/parser.rs:409:42
[INFO] [stdout]     |
[INFO] [stdout] 409 |             exp.literal_value = op.apply(&value);
[INFO] [stdout]     |                                          ^^^^^^ help: change this to: `value`
[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/parser.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         return self.ls.next();
[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] 432 -         return self.ls.next();
[INFO] [stdout] 432 +         self.ls.next()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |         return Ok(());
[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] 438 -         return Ok(());
[INFO] [stdout] 438 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |         return Ok(());
[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] 468 -         return Ok(());
[INFO] [stdout] 468 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |         return Ok(());
[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] 523 -         return Ok(());
[INFO] [stdout] 523 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |         return Ok(());
[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] 534 -         return Ok(());
[INFO] [stdout] 534 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:543:9
[INFO] [stdout]     |
[INFO] [stdout] 543 |         return self.ls.check_next_is_char('}');
[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] 543 -         return self.ls.check_next_is_char('}');
[INFO] [stdout] 543 +         self.ls.check_next_is_char('}')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/zio.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | /         return Zio {
[INFO] [stdout] 12 | |             p: 0,
[INFO] [stdout] 13 | |             buf: input.chars().collect(),
[INFO] [stdout] 14 | |         };
[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] 11 ~         Zio {
[INFO] [stdout] 12 +             p: 0,
[INFO] [stdout] 13 +             buf: input.chars().collect(),
[INFO] [stdout] 14 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/zio.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         return None;
[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] 23 -         return None;
[INFO] [stdout] 23 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/parser.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             name: name,
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `name`
[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: unneeded `return` statement
[INFO] [stdout]   --> tests/parsing_test.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     return Parser::eval(var_decl);
[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] 42 -     return Parser::eval(var_decl);
[INFO] [stdout] 42 +     Parser::eval(var_decl)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> tests/parsing_test.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     assert!(!res.is_ok());
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: try: `res.is_err()`
[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: this boolean expression can be simplified
[INFO] [stdout]   --> tests/parsing_test.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |     assert!(!res.is_ok());
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: try: `res.is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fbody`
[INFO] [stdout]    --> src/parser.rs:295:24
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn body(&mut self, fbody: &mut ExpDesc, ismethod: bool) -> GResult<()> {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_fbody`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ismethod`
[INFO] [stdout]    --> src/parser.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn body(&mut self, fbody: &mut ExpDesc, ismethod: bool) -> GResult<()> {
[INFO] [stdout]     |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ismethod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Concat` is never constructed
[INFO] [stdout]   --> src/code.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum BinOpr {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     Concat,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinOpr` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `etype`, `line`, `expected_token`, and `current_token` are never read
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 12 |     etype: ErrorType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     expected_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     current_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Flt` is never constructed
[INFO] [stdout]   --> src/lexer.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 38 |     Flt(String),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `RFunction` and `KString` are never constructed
[INFO] [stdout]   --> src/object.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Value {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  8 |     RFunction(),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     KString(String), /* literal string */
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/code.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         return match candidate {
[INFO] [stdout] 39 | |             Char('+') => Some(Add),
[INFO] [stdout] 40 | |             Char('-') => Some(Sub),
[INFO] [stdout] 41 | |             Char('*') => Some(Mul),
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |             _ => None,
[INFO] [stdout] 60 | |         };
[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] 38 ~         match candidate {
[INFO] [stdout] 39 +             Char('+') => Some(Add),
[INFO] [stdout] 40 +             Char('-') => Some(Sub),
[INFO] [stdout] 41 +             Char('*') => Some(Mul),
[INFO] [stdout] 42 +             Char('%') => Some(Mod),
[INFO] [stdout] 43 +             Char('^') => Some(Pow),
[INFO] [stdout] 44 +             Char('/') => Some(Div),
[INFO] [stdout] 45 +             Idiv => Some(IDiv),
[INFO] [stdout] 46 +             Char('&') => Some(Band),
[INFO] [stdout] 47 +             Char('|') => Some(Bor),
[INFO] [stdout] 48 +             Char('~') => Some(BXor),
[INFO] [stdout] 49 +             Shl => Some(ShL),
[INFO] [stdout] 50 +             Shr => Some(ShR),
[INFO] [stdout] 51 +             Ne => Some(NE),
[INFO] [stdout] 52 +             Token::Eq => Some(BinOpr::Eq),
[INFO] [stdout] 53 +             Char('<') => Some(LT),
[INFO] [stdout] 54 +             Le => Some(LE),
[INFO] [stdout] 55 +             Char('>') => Some(GT),
[INFO] [stdout] 56 +             Ge => Some(GE),
[INFO] [stdout] 57 +             Token::And => Some(BinOpr::And),
[INFO] [stdout] 58 +             Token::Or => Some(BinOpr::Or),
[INFO] [stdout] 59 +             _ => None,
[INFO] [stdout] 60 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/code.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | /         return match &self {
[INFO] [stdout] 66 | |             /* arithmetic operators */
[INFO] [stdout] 67 | |             Add | Sub => 10,
[INFO] [stdout] 68 | |             Mul | Mod => 11,
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |             Or => 1,
[INFO] [stdout] 83 | |         };
[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] 65 ~         match &self {
[INFO] [stdout] 66 +             /* arithmetic operators */
[INFO] [stdout] 67 +             Add | Sub => 10,
[INFO] [stdout] 68 +             Mul | Mod => 11,
[INFO] [stdout] 69 +             Pow => 14,
[INFO] [stdout] 70 +             Div | IDiv => 11,
[INFO] [stdout] 71 +             /* bitwise operators */
[INFO] [stdout] 72 +             Band => 6,
[INFO] [stdout] 73 +             Bor => 4,
[INFO] [stdout] 74 +             BXor => 5,
[INFO] [stdout] 75 +             ShL | ShR => 7,
[INFO] [stdout] 76 +             /* string operator */
[INFO] [stdout] 77 +             Concat => 9,
[INFO] [stdout] 78 +             /* comparison operators */
[INFO] [stdout] 79 +             Eq | LT | LE | NE | GT | GE => 3,
[INFO] [stdout] 80 +             /* logical operators */
[INFO] [stdout] 81 +             And => 2,
[INFO] [stdout] 82 +             Or => 1,
[INFO] [stdout] 83 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:88:9
[INFO] [stdout]     |
[INFO] [stdout]  88 | /         return match &self {
[INFO] [stdout]  89 | |             /* arithmetic operators */
[INFO] [stdout]  90 | |             Add | Sub => 10,
[INFO] [stdout]  91 | |             Mul | Mod => 11,
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |             Or => 1,
[INFO] [stdout] 106 | |         };
[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]  88 ~         match &self {
[INFO] [stdout]  89 +             /* arithmetic operators */
[INFO] [stdout]  90 +             Add | Sub => 10,
[INFO] [stdout]  91 +             Mul | Mod => 11,
[INFO] [stdout]  92 +             Pow => 13,
[INFO] [stdout]  93 +             Div | IDiv => 11,
[INFO] [stdout]  94 +             /* bitwise operators */
[INFO] [stdout]  95 +             Band => 6,
[INFO] [stdout]  96 +             Bor => 4,
[INFO] [stdout]  97 +             BXor => 5,
[INFO] [stdout]  98 +             ShL | ShR => 7,
[INFO] [stdout]  99 +             /* string operator */
[INFO] [stdout] 100 +             Concat => 8,
[INFO] [stdout] 101 +             /* comparison operators */
[INFO] [stdout] 102 +             Eq | LT | LE | NE | GT | GE => 3,
[INFO] [stdout] 103 +             /* logical operators */
[INFO] [stdout] 104 +             And => 2,
[INFO] [stdout] 105 +             Or => 1,
[INFO] [stdout] 106 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 | /         return match (self, left, right) {
[INFO] [stdout] 113 | |             (Add, Int(l), Int(r)) => Some(Int(l + r)),
[INFO] [stdout] 114 | |             (Sub, Int(l), Int(r)) => Some(Int(l - r)),
[INFO] [stdout] 115 | |             (Mul, Int(l), Int(r)) => Some(Int(l * r)),
[INFO] [stdout] ...   |
[INFO] [stdout] 124 | |             (_, _, _) => None, //TODO: error
[INFO] [stdout] 125 | |         };
[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] 112 ~         match (self, left, right) {
[INFO] [stdout] 113 +             (Add, Int(l), Int(r)) => Some(Int(l + r)),
[INFO] [stdout] 114 +             (Sub, Int(l), Int(r)) => Some(Int(l - r)),
[INFO] [stdout] 115 +             (Mul, Int(l), Int(r)) => Some(Int(l * r)),
[INFO] [stdout] 116 +             (Pow, Int(l), Int(r)) => Some(Int(l ^ r)),
[INFO] [stdout] 117 +             (Mod, Int(l), Int(r)) => Some(Int(l % r)),
[INFO] [stdout] 118 +             (Div, Int(l), Int(r)) => Some(Int(l / r)),
[INFO] [stdout] 119 +             (Add, Number(l), Number(r)) => Some(Number(l + r)),
[INFO] [stdout] 120 +             (Sub, Number(l), Number(r)) => Some(Number(l - r)),
[INFO] [stdout] 121 +             (Mul, Number(l), Number(r)) => Some(Number(l * r)),
[INFO] [stdout] 122 +             (Mod, Number(l), Number(r)) => Some(Number(l % r)),
[INFO] [stdout] 123 +             (Div, Number(l), Number(r)) => Some(Number(l / r)),
[INFO] [stdout] 124 +             (_, _, _) => None, //TODO: error
[INFO] [stdout] 125 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         return match candidate {
[INFO] [stdout] 138 | |             Token::Char('-') => Some(UnOpr::Minus),
[INFO] [stdout] 139 | |             Token::Char('!') => Some(UnOpr::Not),
[INFO] [stdout] 140 | |             _ => None,
[INFO] [stdout] 141 | |         };
[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] 137 ~         match candidate {
[INFO] [stdout] 138 +             Token::Char('-') => Some(UnOpr::Minus),
[INFO] [stdout] 139 +             Token::Char('!') => Some(UnOpr::Not),
[INFO] [stdout] 140 +             _ => None,
[INFO] [stdout] 141 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | /         return match (self, v) {
[INFO] [stdout] 148 | |             (Minus, Int(i)) => Some(Int(-i)),
[INFO] [stdout] 149 | |             (Minus, Number(f)) => Some(Number(-f)),
[INFO] [stdout] 150 | |             (Not, Bool(b)) => Some(Bool(!b)),
[INFO] [stdout] 151 | |             (_, _) => None,
[INFO] [stdout] 152 | |         };
[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] 147 ~         match (self, v) {
[INFO] [stdout] 148 +             (Minus, Int(i)) => Some(Int(-i)),
[INFO] [stdout] 149 +             (Minus, Number(f)) => Some(Number(-f)),
[INFO] [stdout] 150 +             (Not, Bool(b)) => Some(Bool(!b)),
[INFO] [stdout] 151 +             (_, _) => None,
[INFO] [stdout] 152 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/code.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         return 12;
[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] 156 -         return 12;
[INFO] [stdout] 156 +         12
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/error.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         return Error {
[INFO] [stdout] 21 | |             etype: ErrorType::Syntactic(),
[INFO] [stdout] 22 | |             line: l,
[INFO] [stdout] 23 | |             expected_token: e,
[INFO] [stdout] 24 | |             current_token: c,
[INFO] [stdout] 25 | |         };
[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] 20 ~         Error {
[INFO] [stdout] 21 +             etype: ErrorType::Syntactic(),
[INFO] [stdout] 22 +             line: l,
[INFO] [stdout] 23 +             expected_token: e,
[INFO] [stdout] 24 +             current_token: c,
[INFO] [stdout] 25 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/error.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         return Error {
[INFO] [stdout] 30 | |             etype: ErrorType::Semantic(),
[INFO] [stdout] 31 | |             line: l,
[INFO] [stdout] 32 | |             expected_token: e,
[INFO] [stdout] 33 | |             current_token: c,
[INFO] [stdout] 34 | |         };
[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] 29 ~         Error {
[INFO] [stdout] 30 +             etype: ErrorType::Semantic(),
[INFO] [stdout] 31 +             line: l,
[INFO] [stdout] 32 +             expected_token: e,
[INFO] [stdout] 33 +             current_token: c,
[INFO] [stdout] 34 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/error.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         return Error {
[INFO] [stdout] 39 | |             etype: ErrorType::Semantic(),
[INFO] [stdout] 40 | |             line: l,
[INFO] [stdout] 41 | |             expected_token: e,
[INFO] [stdout] 42 | |             current_token: c,
[INFO] [stdout] 43 | |         };
[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] 38 ~         Error {
[INFO] [stdout] 39 +             etype: ErrorType::Semantic(),
[INFO] [stdout] 40 +             line: l,
[INFO] [stdout] 41 +             expected_token: e,
[INFO] [stdout] 42 +             current_token: c,
[INFO] [stdout] 43 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lexer.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         return None;
[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] 73 -         return None;
[INFO] [stdout] 73 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         return LexState {
[INFO] [stdout] 102 | |             current: '\n',
[INFO] [stdout] 103 | |             linenumber: 0,
[INFO] [stdout] 104 | |             lastline: 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |         };
[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] 101 ~         LexState {
[INFO] [stdout] 102 +             current: '\n',
[INFO] [stdout] 103 +             linenumber: 0,
[INFO] [stdout] 104 +             lastline: 0,
[INFO] [stdout] 105 +             token: Token::Eos,
[INFO] [stdout] 106 +             lookahead: None,
[INFO] [stdout] 107 +             //state: Weak::new(),
[INFO] [stdout] 108 +             zio: Zio::new(input),
[INFO] [stdout] 109 +             buff: vec![],
[INFO] [stdout] 110 +             //h: Table::new(),
[INFO] [stdout] 111 +             //source: String::new(),
[INFO] [stdout] 112 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         return self.linenumber;
[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] 116 -         return self.linenumber;
[INFO] [stdout] 116 +         self.linenumber
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         return self.token.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] 120 -         return self.token.clone();
[INFO] [stdout] 120 +         self.token.clone()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         return Ok(());
[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] 132 -         return Ok(());
[INFO] [stdout] 132 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         return s;
[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] 262 -         return s;
[INFO] [stdout] 262 +         s
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         return Token::Int(number_str.to_owned());
[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] 273 -         return Token::Int(number_str.to_owned());
[INFO] [stdout] 273 +         Token::Int(number_str.to_owned())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/lexer.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |         while self.current.is_digit(10) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.current.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         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] 286 -         return false;
[INFO] [stdout] 286 +         false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |         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] 310 -         return true;
[INFO] [stdout] 310 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/lexer.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 | /         if self.current_is_new_line() && self.current != old {
[INFO] [stdout] 305 | |             if !self.next_char() {
[INFO] [stdout] 306 | |                 /* skip '\n\r' or '\r\n' */
[INFO] [stdout] 307 | |                 return false;
[INFO] [stdout] 308 | |             }
[INFO] [stdout] 309 | |         }
[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] 304 ~         if self.current_is_new_line() && self.current != old
[INFO] [stdout] 305 ~             && !self.next_char() {
[INFO] [stdout] 306 |                 /* skip '\n\r' or '\r\n' */
[INFO] [stdout] 307 |                 return false;
[INFO] [stdout] 308 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         return Ok(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] 322 -         return Ok(false);
[INFO] [stdout] 322 +         Ok(false)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 | /         return if !moved {
[INFO] [stdout] 328 | |             Err(Error::syntactical(
[INFO] [stdout] 329 | |                 self.linenumber,
[INFO] [stdout] 330 | |                 c.to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 334 | |             Ok(())
[INFO] [stdout] 335 | |         };
[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] 327 ~         if !moved {
[INFO] [stdout] 328 +             Err(Error::syntactical(
[INFO] [stdout] 329 +                 self.linenumber,
[INFO] [stdout] 330 +                 c.to_string(),
[INFO] [stdout] 331 +                 self.token.to_string(),
[INFO] [stdout] 332 +             ))
[INFO] [stdout] 333 +         } else {
[INFO] [stdout] 334 +             Ok(())
[INFO] [stdout] 335 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         return self.next_if_token(Token::Char(c));
[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] 339 -         return self.next_if_token(Token::Char(c));
[INFO] [stdout] 339 +         self.next_if_token(Token::Char(c))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         return self.check_next_is_token(Token::Char(c));
[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] 343 -         return self.check_next_is_token(Token::Char(c));
[INFO] [stdout] 343 +         self.check_next_is_token(Token::Char(c))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/lexer.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         assert_eq!(lexer.next_char(), true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_assert_comparison)]` on by default
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 354 -         assert_eq!(lexer.next_char(), true);
[INFO] [stdout] 354 +         assert!(lexer.next_char());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/lexer.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         assert_eq!(lexer.next_char(), false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 355 -         assert_eq!(lexer.next_char(), false);
[INFO] [stdout] 355 +         assert!(!lexer.next_char());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/lexer.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |         assert_eq!(lexer.increment_line_number(), true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 361 -         assert_eq!(lexer.increment_line_number(), true);
[INFO] [stdout] 361 +         assert!(lexer.increment_line_number());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/lexer.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 362 |         assert_eq!(lexer.increment_line_number(), false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 362 -         assert_eq!(lexer.increment_line_number(), false);
[INFO] [stdout] 362 +         assert!(!lexer.increment_line_number());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         return Ok(());
[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] 371 -         return Ok(());
[INFO] [stdout] 371 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/lexer.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |         assert_eq!(lexer.next_if_token(Token::Char('='))?, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 368 -         assert_eq!(lexer.next_if_token(Token::Char('='))?, false);
[INFO] [stdout] 368 +         assert!(!lexer.next_if_token(Token::Char('='))?);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/lexer.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |         assert_eq!(lexer.next_if_token(Token::Char('='))?, true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 370 -         assert_eq!(lexer.next_if_token(Token::Char('='))?, true);
[INFO] [stdout] 370 +         assert!(lexer.next_if_token(Token::Char('='))?);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lexer.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 |         return Ok(());
[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] 380 -         return Ok(());
[INFO] [stdout] 380 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/lexer.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         assert_eq!(lexer.next_if_char('=')?, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 377 -         assert_eq!(lexer.next_if_char('=')?, false);
[INFO] [stdout] 377 +         assert!(!lexer.next_if_char('=')?);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/lexer.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         assert_eq!(lexer.next_if_char('=')?, true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 379 -         assert_eq!(lexer.next_if_char('=')?, true);
[INFO] [stdout] 379 +         assert!(lexer.next_if_char('=')?);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `i` after checking its variant with `is_ok`
[INFO] [stdout]   --> src/object.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |         if i.is_ok() {
[INFO] [stdout]    |         ------------ help: try: `if let Ok(<item>) = i`
[INFO] [stdout] 20 |             /* try as an integer */
[INFO] [stdout] 21 |             return Some(Value::Int(i.unwrap()));
[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: called `unwrap` on `f` after checking its variant with `is_ok`
[INFO] [stdout]   --> src/object.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if f.is_ok() {
[INFO] [stdout]    |         ------------ help: try: `if let Ok(<item>) = f`
[INFO] [stdout] 25 |             /* else try as a float */
[INFO] [stdout] 26 |             return Some(Value::Number(f.unwrap()));
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/object.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         return None;
[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] 28 -         return None;
[INFO] [stdout] 28 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         return ExpDesc {
[INFO] [stdout] 38 | |             literal_value: None,
[INFO] [stdout] 39 | |             kind: ExpKind::Void,
[INFO] [stdout] 40 | |             var: None,
[INFO] [stdout] 41 | |         };
[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] 37 ~         ExpDesc {
[INFO] [stdout] 38 +             literal_value: None,
[INFO] [stdout] 39 +             kind: ExpKind::Void,
[INFO] [stdout] 40 +             var: None,
[INFO] [stdout] 41 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         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] 57 -         return false;
[INFO] [stdout] 57 +         false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | /         return match self.kind {
[INFO] [stdout] 69 | |             Nil => Some(Value::Nil()),
[INFO] [stdout] 70 | |             Bool | ConstInt | ConstFlt => self.literal_value.clone(),
[INFO] [stdout] 71 | |             _ => return None,
[INFO] [stdout] 72 | |         };
[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] 68 ~         match self.kind {
[INFO] [stdout] 69 +             Nil => Some(Value::Nil()),
[INFO] [stdout] 70 +             Bool | ConstInt | ConstFlt => self.literal_value.clone(),
[INFO] [stdout] 71 +             _ => return None,
[INFO] [stdout] 72 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/parser.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         return match (&self.kind, &self.literal_value) {
[INFO] [stdout] 77 | |             (ExpKind::Nil, _) => false,
[INFO] [stdout] 78 | |             (ExpKind::Bool, Some(Value::Bool(b))) => *b,
[INFO] [stdout] 79 | |             (_, _) => false,
[INFO] [stdout] 80 | |         };
[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] 76 ~         match (&self.kind, &self.literal_value) {
[INFO] [stdout] 77 +             (ExpKind::Nil, _) => false,
[INFO] [stdout] 78 +             (ExpKind::Bool, Some(Value::Bool(b))) => *b,
[INFO] [stdout] 79 +             (_, _) => false,
[INFO] [stdout] 80 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         return VarDesc {
[INFO] [stdout] 102 | |             value: Value::Nil(),
[INFO] [stdout] 103 | |             name: name,
[INFO] [stdout] 104 | |         };
[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] 101 ~         VarDesc {
[INFO] [stdout] 102 +             value: Value::Nil(),
[INFO] [stdout] 103 +             name: name,
[INFO] [stdout] 104 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         return None;
[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] 122 -         return None;
[INFO] [stdout] 122 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Iterator::find`
[INFO] [stdout]    --> src/parser.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | /         for v in self.actvar.iter_mut() {
[INFO] [stdout] 118 | |             if v.name == name {
[INFO] [stdout] 119 | |                 return Some(v);
[INFO] [stdout] ...   |
[INFO] [stdout] 122 | |         return None;
[INFO] [stdout]     | |____________________^ help: replace with an iterator: `self.actvar.iter_mut().find(|v| v.name == name).map(|v| v as _)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: you may need to dereference some variables
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_find
[INFO] [stdout]     = note: `#[warn(clippy::manual_find)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         return None;
[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] 131 -         return None;
[INFO] [stdout] 131 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         return FuncState { blocks: vec![] };
[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] 146 -         return FuncState { blocks: vec![] };
[INFO] [stdout] 146 +         FuncState { blocks: vec![] }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         return Err(Error::semantic(0, name, "unknown".to_owned()));
[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] 156 -         return Err(Error::semantic(0, name, "unknown".to_owned()));
[INFO] [stdout] 156 +         Err(Error::semantic(0, name, "unknown".to_owned()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         return Err(Error::semantic(0, name, "unknown".to_owned()));
[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] 165 -         return Err(Error::semantic(0, name, "unknown".to_owned()));
[INFO] [stdout] 165 +         Err(Error::semantic(0, name, "unknown".to_owned()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/parser.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |         if self.blocks.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.blocks.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: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         return p.statlist();
[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] 195 -         return p.statlist();
[INFO] [stdout] 195 +         p.statlist()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 | /         return Parser {
[INFO] [stdout] 200 | |             ls: LexState::new(input),
[INFO] [stdout] 201 | |             fs: FuncState::new(),
[INFO] [stdout] 202 | |         };
[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] 199 ~         Parser {
[INFO] [stdout] 200 +             ls: LexState::new(input),
[INFO] [stdout] 201 +             fs: FuncState::new(),
[INFO] [stdout] 202 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |         return Ok(());
[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] 282 -         return Ok(());
[INFO] [stdout] 282 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         return self.body(&mut fbody, 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] 292 -         return self.body(&mut fbody, true);
[INFO] [stdout] 292 +         self.body(&mut fbody, true)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         return Ok(());
[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] 303 -         return Ok(());
[INFO] [stdout] 303 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |         return self.ls.check_next_is_char(')');
[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] 309 -         return self.ls.check_next_is_char(')');
[INFO] [stdout] 309 +         self.ls.check_next_is_char(')')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         return Ok(());
[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] 332 -         return Ok(());
[INFO] [stdout] 332 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             return Ok(name);
[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] 342 -             return Ok(name);
[INFO] [stdout] 342 +             Ok(name)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 | /             return Err(Error::syntactical(
[INFO] [stdout] 345 | |                 self.ls.linenumber(),
[INFO] [stdout] 346 | |                 "<name>".to_owned(),
[INFO] [stdout] 347 | |                 self.ls.current().to_string(),
[INFO] [stdout] 348 | |             ));
[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] 344 ~             Err(Error::syntactical(
[INFO] [stdout] 345 +                 self.ls.linenumber(),
[INFO] [stdout] 346 +                 "<name>".to_owned(),
[INFO] [stdout] 347 +                 self.ls.current().to_string(),
[INFO] [stdout] 348 ~             ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         return Ok(());
[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] 354 -         return Ok(());
[INFO] [stdout] 354 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |         return Ok(opt); /* return first untreated operator */
[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] 386 -         return Ok(opt); /* return first untreated operator */
[INFO] [stdout] 386 +         Ok(opt)/* return first untreated operator */
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |         return Ok(());
[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] 404 -         return Ok(());
[INFO] [stdout] 404 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         return Ok(());
[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] 417 -         return Ok(());
[INFO] [stdout] 417 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/parser.rs:409:42
[INFO] [stdout]     |
[INFO] [stdout] 409 |             exp.literal_value = op.apply(&value);
[INFO] [stdout]     |                                          ^^^^^^ help: change this to: `value`
[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/parser.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         return self.ls.next();
[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] 432 -         return self.ls.next();
[INFO] [stdout] 432 +         self.ls.next()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |         return Ok(());
[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] 438 -         return Ok(());
[INFO] [stdout] 438 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |         return Ok(());
[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] 468 -         return Ok(());
[INFO] [stdout] 468 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |         return Ok(());
[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] 523 -         return Ok(());
[INFO] [stdout] 523 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |         return Ok(());
[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] 534 -         return Ok(());
[INFO] [stdout] 534 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:543:9
[INFO] [stdout]     |
[INFO] [stdout] 543 |         return self.ls.check_next_is_char('}');
[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] 543 -         return self.ls.check_next_is_char('}');
[INFO] [stdout] 543 +         self.ls.check_next_is_char('}')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/zio.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | /         return Zio {
[INFO] [stdout] 12 | |             p: 0,
[INFO] [stdout] 13 | |             buf: input.chars().collect(),
[INFO] [stdout] 14 | |         };
[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] 11 ~         Zio {
[INFO] [stdout] 12 +             p: 0,
[INFO] [stdout] 13 +             buf: input.chars().collect(),
[INFO] [stdout] 14 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/zio.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         return None;
[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] 23 -         return None;
[INFO] [stdout] 23 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lexer.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |         lexer.next();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 369 |         let _ = lexer.next();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lexer.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         lexer.next();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let _ = lexer.next();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "dbb7f326e191f1ddaad71ac0055edaf8a9a64543333c51eb37e7e77a7b9af5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb7f326e191f1ddaad71ac0055edaf8a9a64543333c51eb37e7e77a7b9af5cc", kill_on_drop: false }`
[INFO] [stdout] dbb7f326e191f1ddaad71ac0055edaf8a9a64543333c51eb37e7e77a7b9af5cc