[INFO] cloning repository https://github.com/jdpolicano/excel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdpolicano/excel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdpolicano%2Fexcel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdpolicano%2Fexcel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9c381d93d94b0fb486acd53df68b6044665a356
[INFO] checking jdpolicano/excel against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdpolicano%2Fexcel" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jdpolicano/excel
[INFO] finished tweaking git repo https://github.com/jdpolicano/excel
[INFO] tweaked toml for git repo https://github.com/jdpolicano/excel written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jdpolicano/excel on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jdpolicano/excel 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b88c9c4f5d17c8aef95a4fd4ec8c896322bc35740915f355bb89d2d293568c6c
[INFO] running `Command { std: "docker" "start" "-a" "b88c9c4f5d17c8aef95a4fd4ec8c896322bc35740915f355bb89d2d293568c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b88c9c4f5d17c8aef95a4fd4ec8c896322bc35740915f355bb89d2d293568c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88c9c4f5d17c8aef95a4fd4ec8c896322bc35740915f355bb89d2d293568c6c", kill_on_drop: false }`
[INFO] [stdout] b88c9c4f5d17c8aef95a4fd4ec8c896322bc35740915f355bb89d2d293568c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12606b2f9c661d7f55995eae45126cbf4dc450102fef615d9b007de4073e3805
[INFO] running `Command { std: "docker" "start" "-a" "12606b2f9c661d7f55995eae45126cbf4dc450102fef615d9b007de4073e3805", kill_on_drop: false }`
[INFO] [stderr]     Checking excel_takehome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `File` and `read_to_string`
[INFO] [stdout]  --> src/csv.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{read_to_string, File};
[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 imports: `BufWriter` and `Write`
[INFO] [stdout]  --> src/csv.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/csv.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `read_to_string`
[INFO] [stdout]  --> src/csv.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{read_to_string, File};
[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 imports: `BufWriter` and `Write`
[INFO] [stdout]  --> src/csv.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/csv.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/csv.rs:134:15
[INFO] [stdout]     |
[INFO] [stdout] 134 |         while let token = self.tokenizer.get_csv_token() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/csv.rs:134:15
[INFO] [stdout]     |
[INFO] [stdout] 134 |         while let token = self.tokenizer.get_csv_token() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formual.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut toke = self.next();
[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: unused variable: `i`
[INFO] [stdout]   --> src/formual.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             for i in 1..n {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formual.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut toke = self.next();
[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: unused variable: `i`
[INFO] [stdout]   --> src/formual.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             for i in 1..n {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/formual.rs:610:13
[INFO] [stdout]     |
[INFO] [stdout] 610 |         let mut parser = Ast::new(&input, func_names);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Node` is more private than the item `ParseResult`
[INFO] [stdout]    --> src/formual.rs:281:1
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub type ParseResult = Result<Node, ParseError>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ type alias `ParseResult` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Node` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/formual.rs:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | enum Node {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ParseError` is more private than the item `ParseResult`
[INFO] [stdout]    --> src/formual.rs:281:1
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub type ParseResult = Result<Node, ParseError>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ type alias `ParseResult` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `ParseError` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/formual.rs:261:1
[INFO] [stdout]     |
[INFO] [stdout] 261 | enum ParseError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]   --> src/excel.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Excel {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 81 |     src: Vec<char>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/formual.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Token <'a> {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tokenizer` is never constructed
[INFO] [stdout]   --> src/formual.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Tokenizer<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/formual.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<'a> Tokenizer<'a> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 45 |     pub fn new(view: &'a [char]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn skip(&mut self, n: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn peek(&self) -> Option<&char> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn next_is(&self, cmp: char) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn next_is_one_of(&self, sp_cmp: &[char]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn lookahead(&mut self, n: usize) -> Token<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     fn next(&mut self) -> Token<'a> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Addition`, `Subtraction`, `Division`, `Multiplication`, and `Invalid` are never constructed
[INFO] [stdout]    --> src/formual.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 160 | enum Operator {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] 161 |     Addition,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 162 |     Subtraction,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 163 |     Division,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 164 |     Multiplication,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 165 |     Invalid
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Operator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `apply`, `is_addition`, `is_subtraction`, `is_division`, and `is_multiplication` are never used
[INFO] [stdout]    --> src/formual.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 168 | impl Operator {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 169 |     fn new(op: char) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn apply<T>(&self, lhs: T, rhs: T) -> Option<T> 
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn is_addition(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     fn is_subtraction(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn is_division(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     fn is_multiplication(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/formual.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 222 | enum Node {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] 223 |     // top level entry point of the ast
[INFO] [stdout] 224 |     Formula {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     Expression {
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |     Term {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     Factor {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 |     Primary(Box<Node>), // a value, reference, or another expression.
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 250 |     Primitive(String), // prims like string boolean int or float.
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 251 |     CellRef(String), // a cell reference with (col, row) as strings.
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 252 |     CellRange(Box<Node>, Box<Node>), // two cell refs.
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 253 |     // a function call.
[INFO] [stdout] 254 |     Function {
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `UnexpectedEndOfFile`, `UnexpectedToken`, and `InvalidExpression` are never constructed
[INFO] [stdout]    --> src/formual.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 261 | enum ParseError {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 262 |     UnexpectedEndOfFile,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 263 |     UnexpectedToken { expected: String, found: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 264 |     InvalidExpression,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` 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: fields `src` and `func_names` are never read
[INFO] [stdout]    --> src/formual.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct Ast<'a> {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 284 |     src: &'a str,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 285 |     func_names: HashSet<String>
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/formual.rs:289:8
[INFO] [stdout]     |
[INFO] [stdout] 288 | impl<'a> Ast<'a> {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 289 |     fn new(src: &'a str, func_names: HashSet<String>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     fn parse(&self) -> ParseResult {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 311 |     fn parse_expression(&self, tokenizer: &mut Tokenizer) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 337 |     fn parse_term(&self, tokenizer: &mut Tokenizer) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 363 |     fn parse_factor(&self, tokenizer: &mut Tokenizer) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 389 |     fn parse_primary(&self, tokenizer: &mut Tokenizer) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 420 |     fn parse_string(&self, tokenizer: &mut Tokenizer) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 457 |     fn parse_function(&self, tokenizer: &mut Tokenizer, name: String) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 491 |     fn is_cell_ref(&self, chars: &'a [char]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 506 |     fn is_numeric(&self, chars: &'a [char]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 515 |     fn is_string_literal(&self, chars: &'a [char]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 519 |     fn is_boolean(&self, chars: &'a [char]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 524 |     fn expect(&self, tokenizer: &mut Tokenizer, expected: Token, result: Node) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/csv.rs:60:22
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_csv_token(&mut self) -> Token {
[INFO] [stdout]    |                      ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_csv_token(&mut self) -> Token<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/excel.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         writer.flush();
[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] 127 |         let _ = writer.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Node` is more private than the item `ParseResult`
[INFO] [stdout]    --> src/formual.rs:281:1
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub type ParseResult = Result<Node, ParseError>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ type alias `ParseResult` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Node` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/formual.rs:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | enum Node {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ParseError` is more private than the item `ParseResult`
[INFO] [stdout]    --> src/formual.rs:281:1
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub type ParseResult = Result<Node, ParseError>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ type alias `ParseResult` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `ParseError` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/formual.rs:261:1
[INFO] [stdout]     |
[INFO] [stdout] 261 | enum ParseError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]   --> src/excel.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Excel {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 81 |     src: Vec<char>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_is` is never used
[INFO] [stdout]   --> src/formual.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<'a> Tokenizer<'a> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn next_is(&self, cmp: char) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply`, `is_addition`, `is_subtraction`, `is_division`, and `is_multiplication` are never used
[INFO] [stdout]    --> src/formual.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 168 | impl Operator {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn apply<T>(&self, lhs: T, rhs: T) -> Option<T> 
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn is_addition(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     fn is_subtraction(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn is_division(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     fn is_multiplication(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lhs`, `op`, and `rhs` are never read
[INFO] [stdout]    --> src/formual.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     Expression {
[INFO] [stdout]     |     ---------- fields in this variant
[INFO] [stdout] 230 |         lhs: Box<Node>, // the main term to evaluate.
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 231 |         op: Option<Operator>, // if performing an operation on this.
[INFO] [stdout]     |         ^^
[INFO] [stdout] 232 |         rhs: Option<Box<Node>> // another term...
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lhs`, `op`, and `rhs` are never read
[INFO] [stdout]    --> src/formual.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     Term {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 237 |         lhs: Box<Node>, // factor...
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 238 |         op: Option<Operator>,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 239 |         rhs: Option<Box<Node>>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lhs`, `op`, and `rhs` are never read
[INFO] [stdout]    --> src/formual.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |     Factor {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 244 |         lhs: Box<Node>, // primary...
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 245 |         op: Option<Operator>,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 246 |         rhs: Option<Box<Node>>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/formual.rs:250:15
[INFO] [stdout]     |
[INFO] [stdout] 250 |     Primitive(String), // prims like string boolean int or float.
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 250 -     Primitive(String), // prims like string boolean int or float.
[INFO] [stdout] 250 +     Primitive(()), // prims like string boolean int or float.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/formual.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |     CellRef(String), // a cell reference with (col, row) as strings.
[INFO] [stdout]     |     ------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 251 -     CellRef(String), // a cell reference with (col, row) as strings.
[INFO] [stdout] 251 +     CellRef(()), // a cell reference with (col, row) as strings.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `args` are never read
[INFO] [stdout]    --> src/formual.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     Function {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 255 |         name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 256 |         args: Vec<Node>
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Formula`, `Primary`, and `CellRange` are never constructed
[INFO] [stdout]    --> src/formual.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 222 | enum Node {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] 223 |     // top level entry point of the ast
[INFO] [stdout] 224 |     Formula {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 |     Primary(Box<Node>), // a value, reference, or another expression.
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     CellRange(Box<Node>, Box<Node>), // two cell refs.
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` 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 `is_string_literal` is never used
[INFO] [stdout]    --> src/formual.rs:515:8
[INFO] [stdout]     |
[INFO] [stdout] 288 | impl<'a> Ast<'a> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 515 |     fn is_string_literal(&self, chars: &'a [char]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/csv.rs:60:22
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_csv_token(&mut self) -> Token {
[INFO] [stdout]    |                      ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_csv_token(&mut self) -> Token<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/excel.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         writer.flush();
[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] 127 |         let _ = writer.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut excel = Excel::from_path(&p).expect("File read failed..."); 
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut excel = Excel::from_path(&p).expect("File read failed..."); 
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "12606b2f9c661d7f55995eae45126cbf4dc450102fef615d9b007de4073e3805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12606b2f9c661d7f55995eae45126cbf4dc450102fef615d9b007de4073e3805", kill_on_drop: false }`
[INFO] [stdout] 12606b2f9c661d7f55995eae45126cbf4dc450102fef615d9b007de4073e3805
