[INFO] cloning repository https://github.com/leen60/evaluator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leen60/evaluator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleen60%2Fevaluator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleen60%2Fevaluator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dee1fb8bfc8ddcff0d1309241ef7201202822d3
[INFO] checking leen60/evaluator against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleen60%2Fevaluator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leen60/evaluator
[INFO] finished tweaking git repo https://github.com/leen60/evaluator
[INFO] tweaked toml for git repo https://github.com/leen60/evaluator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leen60/evaluator on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leen60/evaluator 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.186
[INFO] [stderr]   Downloaded errno v0.3.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9379d64af0becb3409c79774742efc320f1d24d1c4fcebc93655893c50104a4c
[INFO] running `Command { std: "docker" "start" "9379d64af0becb3409c79774742efc320f1d24d1c4fcebc93655893c50104a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9379d64af0becb3409c79774742efc320f1d24d1c4fcebc93655893c50104a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9379d64af0becb3409c79774742efc320f1d24d1c4fcebc93655893c50104a4c" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9379d64af0becb3409c79774742efc320f1d24d1c4fcebc93655893c50104a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9379d64af0becb3409c79774742efc320f1d24d1c4fcebc93655893c50104a4c" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/app.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/app.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/app.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/app.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::__private::de::Borrowed`
[INFO] [stdout]  --> src/app.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::__private::de::Borrowed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefMut`
[INFO] [stdout]  --> src/app.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::cell::RefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationSum`
[INFO] [stdout]   --> src/app.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::Node::OperationSum;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationEq`
[INFO] [stdout]   --> src/app.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::Node::OperationEq;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationGt`
[INFO] [stdout]   --> src/app.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::Node::OperationGt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationNot`
[INFO] [stdout]   --> src/app.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::Node::OperationNot;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationAnd`
[INFO] [stdout]   --> src/app.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::Node::OperationAnd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationOr`
[INFO] [stdout]   --> src/app.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::Node::OperationOr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationDivide`
[INFO] [stdout]   --> src/app.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::Node::OperationDivide;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationMultiply`
[INFO] [stdout]   --> src/app.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::Node::OperationMultiply;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationConcat`
[INFO] [stdout]   --> src/app.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::Node::OperationConcat;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationIf`
[INFO] [stdout]   --> src/app.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::Node::OperationIf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::iter`
[INFO] [stdout]   --> src/app.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use core::iter;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Op_Paren_o` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:34:59
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Start, Identifier, String, Int, Double, Assign, Bool, Op_Paren_o, Arr_o, Op_Paren_c, Arr_c, Colon,
[INFO] [stdout]    |                                                           ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpParenO`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Arr_o` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:34:71
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Start, Identifier, String, Int, Double, Assign, Bool, Op_Paren_o, Arr_o, Op_Paren_c, Arr_c, Colon,
[INFO] [stdout]    |                                                                       ^^^^^ help: convert the identifier to upper camel case: `ArrO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Op_Paren_c` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:34:78
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Start, Identifier, String, Int, Double, Assign, Bool, Op_Paren_o, Arr_o, Op_Paren_c, Arr_c, Colon,
[INFO] [stdout]    |                                                                              ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpParenC`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Arr_c` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:34:90
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Start, Identifier, String, Int, Double, Assign, Bool, Op_Paren_o, Arr_o, Op_Paren_c, Arr_c, Colon,
[INFO] [stdout]    |                                                                                          ^^^^^ help: convert the identifier to upper camel case: `ArrC`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_Brace_o` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpBraceO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_Brace_c` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpBraceC`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Sum` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:53
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationSum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Multiply` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:68
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationMultiply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Divide` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:88
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |                                                                                        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationDivide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_And` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationAnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Or` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationOr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Eq` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationEq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Not` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationNot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Concat` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:63
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationConcat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Gt` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:81
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationGt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_If` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:95
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                                                                               ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Submission_url` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:37:34
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Id, Data, Sheets , Notation, Submission_url,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SubmissionUrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/app.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/app.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/app.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/app.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::__private::de::Borrowed`
[INFO] [stdout]  --> src/app.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::__private::de::Borrowed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefMut`
[INFO] [stdout]  --> src/app.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::cell::RefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationSum`
[INFO] [stdout]   --> src/app.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::Node::OperationSum;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationEq`
[INFO] [stdout]   --> src/app.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::Node::OperationEq;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationGt`
[INFO] [stdout]   --> src/app.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::Node::OperationGt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationNot`
[INFO] [stdout]   --> src/app.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::Node::OperationNot;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationAnd`
[INFO] [stdout]   --> src/app.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::Node::OperationAnd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationOr`
[INFO] [stdout]   --> src/app.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::Node::OperationOr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationDivide`
[INFO] [stdout]   --> src/app.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::Node::OperationDivide;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationMultiply`
[INFO] [stdout]   --> src/app.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::Node::OperationMultiply;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationConcat`
[INFO] [stdout]   --> src/app.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::Node::OperationConcat;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Node::OperationIf`
[INFO] [stdout]   --> src/app.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::Node::OperationIf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::iter`
[INFO] [stdout]   --> src/app.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use core::iter;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Op_Paren_o` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:34:59
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Start, Identifier, String, Int, Double, Assign, Bool, Op_Paren_o, Arr_o, Op_Paren_c, Arr_c, Colon,
[INFO] [stdout]    |                                                           ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpParenO`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Arr_o` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:34:71
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Start, Identifier, String, Int, Double, Assign, Bool, Op_Paren_o, Arr_o, Op_Paren_c, Arr_c, Colon,
[INFO] [stdout]    |                                                                       ^^^^^ help: convert the identifier to upper camel case: `ArrO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Op_Paren_c` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:34:78
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Start, Identifier, String, Int, Double, Assign, Bool, Op_Paren_o, Arr_o, Op_Paren_c, Arr_c, Colon,
[INFO] [stdout]    |                                                                              ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpParenC`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Arr_c` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:34:90
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Start, Identifier, String, Int, Double, Assign, Bool, Op_Paren_o, Arr_o, Op_Paren_c, Arr_c, Colon,
[INFO] [stdout]    |                                                                                          ^^^^^ help: convert the identifier to upper camel case: `ArrC`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_Brace_o` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpBraceO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_Brace_c` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpBraceC`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Sum` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:53
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationSum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Multiply` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:68
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationMultiply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Divide` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:35:88
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_Brace_o, OP_Brace_c, Semicolon, Comma, Punc, Operation_Sum, Operation_Multiply, Operation_Divide,
[INFO] [stdout]    |                                                                                        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationDivide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_And` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationAnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Or` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationOr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Eq` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationEq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Not` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationNot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Concat` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:63
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationConcat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_Gt` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:81
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationGt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Operation_If` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:36:95
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Operation_And, Operation_Or, Operation_Eq, Operation_Not, Operation_Concat, Operation_Gt, Operation_If,
[INFO] [stdout]    |                                                                                               ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OperationIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Submission_url` should have an upper camel case name
[INFO] [stdout]   --> src/app.rs:37:34
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Id, Data, Sheets , Notation, Submission_url,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SubmissionUrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `types`
[INFO] [stdout]    --> src/app.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let types = vec!["int", "float", "bool","string"];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_types`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `types`
[INFO] [stdout]    --> src/app.rs:495:13
[INFO] [stdout]     |
[INFO] [stdout] 495 |         let types = vec!["int", "float", "bool","string"];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_types`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `re`
[INFO] [stdout]    --> src/app.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |         let re = Regex::new(r"[A-Z][0-9]+").unwrap();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_re`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `types`
[INFO] [stdout]    --> src/app.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let types = vec!["int", "float", "bool","string"];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_types`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `types`
[INFO] [stdout]    --> src/app.rs:495:13
[INFO] [stdout]     |
[INFO] [stdout] 495 |         let types = vec!["int", "float", "bool","string"];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_types`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `re`
[INFO] [stdout]    --> src/app.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |         let re = Regex::new(r"[A-Z][0-9]+").unwrap();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_re`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:996:13
[INFO] [stdout]     |
[INFO] [stdout] 996 |         let mut res1:Vec<String> = Vec::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1098:25
[INFO] [stdout]      |
[INFO] [stdout] 1098 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1121:25
[INFO] [stdout]      |
[INFO] [stdout] 1121 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1146:25
[INFO] [stdout]      |
[INFO] [stdout] 1146 |                     let mut x = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1169:25
[INFO] [stdout]      |
[INFO] [stdout] 1169 |                     let mut gt_result = "false".to_string();
[INFO] [stdout]      |                         ----^^^^^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1170:25
[INFO] [stdout]      |
[INFO] [stdout] 1170 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1171:25
[INFO] [stdout]      |
[INFO] [stdout] 1171 |                     let mut pop2 = stack.get(1).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1197:25
[INFO] [stdout]      |
[INFO] [stdout] 1197 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1198:25
[INFO] [stdout]      |
[INFO] [stdout] 1198 |                     let mut pop2 = stack.get(1).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1219:25
[INFO] [stdout]      |
[INFO] [stdout] 1219 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1220:25
[INFO] [stdout]      |
[INFO] [stdout] 1220 |                     let mut pop2 = stack.get(1).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1224:29
[INFO] [stdout]      |
[INFO] [stdout] 1224 |                         let mut div_result = a / a2;
[INFO] [stdout]      |                             ----^^^^^^^^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res1`
[INFO] [stdout]    --> src/app.rs:996:13
[INFO] [stdout]     |
[INFO] [stdout] 996 |         let mut res1:Vec<String> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_res1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pop`
[INFO] [stdout]     --> src/app.rs:1121:25
[INFO] [stdout]      |
[INFO] [stdout] 1121 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gt_result`
[INFO] [stdout]     --> src/app.rs:1169:25
[INFO] [stdout]      |
[INFO] [stdout] 1169 |                     let mut gt_result = "false".to_string();
[INFO] [stdout]      |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gt_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:996:13
[INFO] [stdout]     |
[INFO] [stdout] 996 |         let mut res1:Vec<String> = Vec::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1098:25
[INFO] [stdout]      |
[INFO] [stdout] 1098 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1121:25
[INFO] [stdout]      |
[INFO] [stdout] 1121 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1146:25
[INFO] [stdout]      |
[INFO] [stdout] 1146 |                     let mut x = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1169:25
[INFO] [stdout]      |
[INFO] [stdout] 1169 |                     let mut gt_result = "false".to_string();
[INFO] [stdout]      |                         ----^^^^^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1170:25
[INFO] [stdout]      |
[INFO] [stdout] 1170 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1171:25
[INFO] [stdout]      |
[INFO] [stdout] 1171 |                     let mut pop2 = stack.get(1).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1197:25
[INFO] [stdout]      |
[INFO] [stdout] 1197 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1198:25
[INFO] [stdout]      |
[INFO] [stdout] 1198 |                     let mut pop2 = stack.get(1).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1219:25
[INFO] [stdout]      |
[INFO] [stdout] 1219 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1220:25
[INFO] [stdout]      |
[INFO] [stdout] 1220 |                     let mut pop2 = stack.get(1).unwrap().to_string();
[INFO] [stdout]      |                         ----^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/app.rs:1224:29
[INFO] [stdout]      |
[INFO] [stdout] 1224 |                         let mut div_result = a / a2;
[INFO] [stdout]      |                             ----^^^^^^^^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res1`
[INFO] [stdout]    --> src/app.rs:996:13
[INFO] [stdout]     |
[INFO] [stdout] 996 |         let mut res1:Vec<String> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_res1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pop`
[INFO] [stdout]     --> src/app.rs:1121:25
[INFO] [stdout]      |
[INFO] [stdout] 1121 |                     let mut pop = stack.get(0).unwrap().to_string();
[INFO] [stdout]      |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gt_result`
[INFO] [stdout]     --> src/app.rs:1169:25
[INFO] [stdout]      |
[INFO] [stdout] 1169 |                     let mut gt_result = "false".to_string();
[INFO] [stdout]      |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gt_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1397:32
[INFO] [stdout]      |
[INFO] [stdout] 1397 |                 Node::Notation(t) => { 
[INFO] [stdout]      |                                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1400:32
[INFO] [stdout]      |
[INFO] [stdout] 1400 |                 Node::FloatLit(t) => { 
[INFO] [stdout]      |                                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1403:30
[INFO] [stdout]      |
[INFO] [stdout] 1403 |                 Node::IntLit(t) => { 
[INFO] [stdout]      |                              ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1406:33
[INFO] [stdout]      |
[INFO] [stdout] 1406 |                 Node::StringLit(t) => { 
[INFO] [stdout]      |                                 ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1409:31
[INFO] [stdout]      |
[INFO] [stdout] 1409 |                 Node::BoolLit(t) => { 
[INFO] [stdout]      |                               ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1397:32
[INFO] [stdout]      |
[INFO] [stdout] 1397 |                 Node::Notation(t) => { 
[INFO] [stdout]      |                                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1400:32
[INFO] [stdout]      |
[INFO] [stdout] 1400 |                 Node::FloatLit(t) => { 
[INFO] [stdout]      |                                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1403:30
[INFO] [stdout]      |
[INFO] [stdout] 1403 |                 Node::IntLit(t) => { 
[INFO] [stdout]      |                              ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1406:33
[INFO] [stdout]      |
[INFO] [stdout] 1406 |                 Node::StringLit(t) => { 
[INFO] [stdout]      |                                 ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/app.rs:1409:31
[INFO] [stdout]      |
[INFO] [stdout] 1409 |                 Node::BoolLit(t) => { 
[INFO] [stdout]      |                               ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sheets`
[INFO] [stdout]     --> src/app.rs:1623:13
[INFO] [stdout]      |
[INFO] [stdout] 1623 |         let sheets = self.expect(TokenKind::String).unwrap();
[INFO] [stdout]      |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sheets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `notation_slot`
[INFO] [stdout]     --> src/app.rs:1771:21
[INFO] [stdout]      |
[INFO] [stdout] 1771 |                 let notation_slot = val.literal.clone();
[INFO] [stdout]      |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_notation_slot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sheets`
[INFO] [stdout]     --> src/app.rs:1623:13
[INFO] [stdout]      |
[INFO] [stdout] 1623 |         let sheets = self.expect(TokenKind::String).unwrap();
[INFO] [stdout]      |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sheets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1846:13
[INFO] [stdout]      |
[INFO] [stdout] 1846 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1868:13
[INFO] [stdout]      |
[INFO] [stdout] 1868 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1891:13
[INFO] [stdout]      |
[INFO] [stdout] 1891 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1914:13
[INFO] [stdout]      |
[INFO] [stdout] 1914 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1938:13
[INFO] [stdout]      |
[INFO] [stdout] 1938 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `notation_slot`
[INFO] [stdout]     --> src/app.rs:1771:21
[INFO] [stdout]      |
[INFO] [stdout] 1771 |                 let notation_slot = val.literal.clone();
[INFO] [stdout]      |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_notation_slot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1962:13
[INFO] [stdout]      |
[INFO] [stdout] 1962 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1987:13
[INFO] [stdout]      |
[INFO] [stdout] 1987 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:2010:13
[INFO] [stdout]      |
[INFO] [stdout] 2010 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:2034:13
[INFO] [stdout]      |
[INFO] [stdout] 2034 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1846:13
[INFO] [stdout]      |
[INFO] [stdout] 1846 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `notation_slot`
[INFO] [stdout]     --> src/app.rs:2047:13
[INFO] [stdout]      |
[INFO] [stdout] 2047 |         let notation_slot = val.literal.clone();
[INFO] [stdout]      |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_notation_slot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1868:13
[INFO] [stdout]      |
[INFO] [stdout] 1868 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1891:13
[INFO] [stdout]      |
[INFO] [stdout] 1891 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1914:13
[INFO] [stdout]      |
[INFO] [stdout] 1914 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1938:13
[INFO] [stdout]      |
[INFO] [stdout] 1938 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1962:13
[INFO] [stdout]      |
[INFO] [stdout] 1962 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:1987:13
[INFO] [stdout]      |
[INFO] [stdout] 1987 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:2010:13
[INFO] [stdout]      |
[INFO] [stdout] 2010 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_back`
[INFO] [stdout]     --> src/app.rs:2034:13
[INFO] [stdout]      |
[INFO] [stdout] 2034 |         let term_back = self.slot;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_back`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `notation_slot`
[INFO] [stdout]     --> src/app.rs:2047:13
[INFO] [stdout]      |
[INFO] [stdout] 2047 |         let notation_slot = val.literal.clone();
[INFO] [stdout]      |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_notation_slot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `counter` is never read
[INFO] [stdout]   --> src/app.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Operation {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 59 |         body: Vec<char>,
[INFO] [stdout] 60 |         counter: usize,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` 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: field `counter` is never read
[INFO] [stdout]   --> src/app.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Lexer {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 71 |     body: Vec<char>,
[INFO] [stdout] 72 |     counter: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_identifier_token` is never used
[INFO] [stdout]    --> src/app.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl Operation {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn new_identifier_token(&mut self){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_mem` is never used
[INFO] [stdout]    --> src/app.rs:713:12
[INFO] [stdout]     |
[INFO] [stdout] 712 | impl CellSequenceNode {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 713 |     pub fn add_mem(&mut self, mem:Vec<String>) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek2` and `parse_notation` are never used
[INFO] [stdout]     --> src/app.rs:1691:8
[INFO] [stdout]      |
[INFO] [stdout] 1584 | impl Parser {
[INFO] [stdout]      | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1691 |     fn peek2(&mut self, type0: TokenKind, type1: TokenKind) -> Option<bool> {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2044 |     fn parse_notation(&mut self) -> Option<Node> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:477:17
[INFO] [stdout]     |
[INFO] [stdout] 477 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:517:17
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:541:17
[INFO] [stdout]     |
[INFO] [stdout] 541 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:583:17
[INFO] [stdout]     |
[INFO] [stdout] 583 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:609:17
[INFO] [stdout]     |
[INFO] [stdout] 609 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `counter` is never read
[INFO] [stdout]   --> src/app.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Operation {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 59 |         body: Vec<char>,
[INFO] [stdout] 60 |         counter: usize,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` 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: field `counter` is never read
[INFO] [stdout]   --> src/app.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Lexer {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 71 |     body: Vec<char>,
[INFO] [stdout] 72 |     counter: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_identifier_token` is never used
[INFO] [stdout]    --> src/app.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl Operation {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn new_identifier_token(&mut self){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_mem` is never used
[INFO] [stdout]    --> src/app.rs:713:12
[INFO] [stdout]     |
[INFO] [stdout] 712 | impl CellSequenceNode {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 713 |     pub fn add_mem(&mut self, mem:Vec<String>) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek2` and `parse_notation` are never used
[INFO] [stdout]     --> src/app.rs:1691:8
[INFO] [stdout]      |
[INFO] [stdout] 1584 | impl Parser {
[INFO] [stdout]      | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1691 |     fn peek2(&mut self, type0: TokenKind, type1: TokenKind) -> Option<bool> {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2044 |     fn parse_notation(&mut self) -> Option<Node> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:477:17
[INFO] [stdout]     |
[INFO] [stdout] 477 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:517:17
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:541:17
[INFO] [stdout]     |
[INFO] [stdout] 541 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:583:17
[INFO] [stdout]     |
[INFO] [stdout] 583 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currChar` should have a snake case name
[INFO] [stdout]    --> src/app.rs:609:17
[INFO] [stdout]     |
[INFO] [stdout] 609 |         let mut currChar;
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `curr_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.37s
[INFO] running `Command { std: "docker" "inspect" "9379d64af0becb3409c79774742efc320f1d24d1c4fcebc93655893c50104a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9379d64af0becb3409c79774742efc320f1d24d1c4fcebc93655893c50104a4c", kill_on_drop: false }`
[INFO] [stdout] 9379d64af0becb3409c79774742efc320f1d24d1c4fcebc93655893c50104a4c
