[INFO] cloning repository https://github.com/terrarier2111/MathInterpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terrarier2111/MathInterpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterrarier2111%2FMathInterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterrarier2111%2FMathInterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc97b3913636cea0eee77a02f3a07f20fdda5e8b
[INFO] testing terrarier2111/MathInterpreter against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterrarier2111%2FMathInterpreter" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/terrarier2111/MathInterpreter
[INFO] finished tweaking git repo https://github.com/terrarier2111/MathInterpreter
[INFO] tweaked toml for git repo https://github.com/terrarier2111/MathInterpreter written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/terrarier2111/MathInterpreter on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/terrarier2111/MathInterpreter 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ca4feab695ee4af8009bde94c30921a4889f4aa4bfe06b7103edddf525c41ab
[INFO] running `Command { std: "docker" "start" "-a" "9ca4feab695ee4af8009bde94c30921a4889f4aa4bfe06b7103edddf525c41ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ca4feab695ee4af8009bde94c30921a4889f4aa4bfe06b7103edddf525c41ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca4feab695ee4af8009bde94c30921a4889f4aa4bfe06b7103edddf525c41ab", kill_on_drop: false }`
[INFO] [stdout] 9ca4feab695ee4af8009bde94c30921a4889f4aa4bfe06b7103edddf525c41ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eef65f62ee6fff9d3392a8c8adac431ffdcfdbcded64fc2c0756eb7e1acc2aef
[INFO] running `Command { std: "docker" "start" "-a" "eef65f62ee6fff9d3392a8c8adac431ffdcfdbcded64fc2c0756eb7e1acc2aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling bytemuck v1.18.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling arpfloat v0.1.10
[INFO] [stderr]    Compiling safe_arch v0.7.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling wide v0.7.28
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]    Compiling vte v0.11.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling strip-ansi-escapes v0.2.0
[INFO] [stderr]    Compiling clitty v0.1.0 (https://github.com/terrarier2111/CLItty#7cb14990)
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling pest v2.7.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling nalgebra v0.32.6
[INFO] [stderr]    Compiling likely_stable v0.1.2
[INFO] [stderr]    Compiling swap-arc v0.1.1
[INFO] [stderr]    Compiling statrs v0.17.1
[INFO] [stderr]    Compiling MathInterpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Neg`
[INFO] [stdout]   --> src/equation_evaluator.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::ops::{Add, Neg, Sub};
[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 variable: `span`
[INFO] [stdout]   --> src/ast_walker.rs:90:44
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn walk_binop(&self, node: &BinOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/ast_walker.rs:99:49
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn walk_unary_op(&self, node: &UnaryOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]    |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:104:53
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn walk_maybe_func(&self, node: &MaybeFuncNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:129:48
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn walk_binop(&self, node: &mut BinOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:138:53
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn walk_unary_op(&self, node: &mut UnaryOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:172:43
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn walk_binop(&self, node: BinOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:181:48
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn walk_unary_op(&self, node: UnaryOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:186:52
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn walk_maybe_func(&self, node: MaybeFuncNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:218:44
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn walk_binop(&self, node: &BinOpNode, span: Span) -> PResult<Number> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:243:49
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn walk_unary_op(&self, node: &UnaryOpNode, span: Span) -> PResult<Number> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:307:48
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn walk_binop(&self, node: &mut BinOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/equation_evaluator.rs:312:24
[INFO] [stdout]     |
[INFO] [stdout] 312 |     fn walk_lit(&self, node: &mut LiteralToken, span: Span) -> PResult<()> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:312:49
[INFO] [stdout]     |
[INFO] [stdout] 312 |     fn walk_lit(&self, node: &mut LiteralToken, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/equation_evaluator.rs:316:29
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn walk_unary_op(&self, node: &mut UnaryOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn walk_unary_op(&self, node: &mut UnaryOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/equation_evaluator.rs:320:31
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn walk_maybe_func(&self, node: &mut MaybeFuncNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:320:57
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn walk_maybe_func(&self, node: &mut MaybeFuncNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/equation_evaluator.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         node: &mut FuncCallOrFuncDefNode,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `potential_next_op`
[INFO] [stdout]    --> src/equation_simplifier.rs:785:21
[INFO] [stdout]     |
[INFO] [stdout] 785 |                 let potential_next_op = token_stream.look_ahead();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_potential_next_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/equation_simplifier.rs:844:5
[INFO] [stdout]     |
[INFO] [stdout] 844 |     input: &String,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/equation_simplifier.rs:872:5
[INFO] [stdout]     |
[INFO] [stdout] 872 |     input: &String,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]  --> src/equation_solver.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve_lin_1_arg(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stdout]   |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diagnostics_builder`
[INFO] [stdout]   --> src/lexer.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let diagnostics_builder = DiagnosticBuilder::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_diagnostics_builder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parse_ctx`
[INFO] [stdout]    --> src/parser.rs:646:9
[INFO] [stdout]     |
[INFO] [stdout] 646 |         parse_ctx: &ParseContext,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parse_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:860:49
[INFO] [stdout]     |
[INFO] [stdout] 860 |     fn walk_lit(&self, node: &mut LiteralToken, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:879:48
[INFO] [stdout]     |
[INFO] [stdout] 879 |     fn walk_lit(&self, lit_tok: &LiteralToken, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:890:44
[INFO] [stdout]     |
[INFO] [stdout] 890 |     fn walk_binop(&self, node: &BinOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:895:49
[INFO] [stdout]     |
[INFO] [stdout] 895 |     fn walk_unary_op(&self, node: &UnaryOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:952:48
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn walk_lit(&self, lit_tok: &LiteralToken, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         window: &Window<Calculator>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `diagnostics` and `circle_unit` are never read
[INFO] [stdout]   --> src/_lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     diagnostics: DiagnosticsConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 11 |     pub(crate) ans_mode: ANSMode,
[INFO] [stdout] 12 |     pub(crate) circle_unit: CircleUnit,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `color` and `printing_order` are never read
[INFO] [stdout]   --> src/_lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct DiagnosticsConfig {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 32 |     color: bool,                              // FIXME: Currently unsupported
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     printing_order: DiagnosticsPrintingOrder, // FIXME: Currently unsupported
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticsConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Before` is never constructed
[INFO] [stdout]   --> src/_lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum DiagnosticsPrintingOrder {
[INFO] [stdout]    |          ------------------------ variant in this enum
[INFO] [stdout] 38 |     Before,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticsPrintingOrder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simplify` is never used
[INFO] [stdout]   --> src/_lib.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn simplify(input: String, eval_ctx: &EvalContext) -> ParseResult<Option<Number>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/_lib.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn solve(input: String, eval_ctx: &EvalContext) -> ParseResult<Option<Number>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AstWalkerConsuming` is never used
[INFO] [stdout]   --> src/ast_walker.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub trait AstWalkerConsuming<T> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LitWalkerConsuming` is never used
[INFO] [stdout]    --> src/ast_walker.rs:167:11
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub trait LitWalkerConsuming {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_init` is never used
[INFO] [stdout]   --> src/conc_once_cell.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> ConcurrentOnceCell<T> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn is_init(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BraceOpPrioritySimplificationPass` is never constructed
[INFO] [stdout]    --> src/equation_simplifier.rs:773:8
[INFO] [stdout]     |
[INFO] [stdout] 773 | struct BraceOpPrioritySimplificationPass;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner_span` is never read
[INFO] [stdout]    --> src/equation_simplifier.rs:930:5
[INFO] [stdout]     |
[INFO] [stdout] 927 | pub(crate) struct Region {
[INFO] [stdout]     |                   ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 930 |     inner_span: Span,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Region` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]     --> src/equation_simplifier.rs:944:19
[INFO] [stdout]      |
[INFO] [stdout]  933 | impl Region {
[INFO] [stdout]      | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  944 |     pub(crate) fn replace_in_tokens(self, tokens: &mut Vec<Token>) {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  952 |     pub(crate) fn to_token(self, tokens: Vec<Token>) -> Token {
[INFO] [stdout]      |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  956 |     pub(crate) fn to_inner_tokens(self, tokens: &Vec<Token>) -> Vec<Token> {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  964 |     pub(crate) fn pop_braces(&mut self, tokens: &mut Vec<Token>) {
[INFO] [stdout]      |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  975 |     pub(crate) fn partition_by_comma(&mut self, tokens: &mut Vec<Token>) -> Vec<usize> {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1025 |     pub(crate) fn erase_and_provide_args(mut self, tokens: &mut Vec<Token>) -> Vec<Vec<Token>> {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1055 |     pub(crate) fn len(&self) -> usize {
[INFO] [stdout]      |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_lin_1_arg` is never used
[INFO] [stdout]  --> src/equation_solver.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve_lin_1_arg(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `error`, `warn_spanned`, `warn`, `note`, `suggest_spanned`, and `build_multi_span_string` are never used
[INFO] [stdout]   --> src/error.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl DiagnosticBuilder {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn error(&mut self, error: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn warn_spanned(&mut self, warning: String, span: Span) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn warn(&mut self, warning: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn note(&mut self, note: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn suggest_spanned(&mut self, suggestion: String, span: Span) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn build_multi_span_string(len: usize, spans: &Vec<Span>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Warn`, `Suggestion`, and `Note` are never constructed
[INFO] [stdout]   --> src/error.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) enum DiagnosticItem {
[INFO] [stdout]    |                 -------------- variants in this enum
[INFO] [stdout] 85 |     Error(String, Span),
[INFO] [stdout] 86 |     Warn(String, Span),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 87 |     Suggestion(String, Span),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 88 |     Note(String),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokens_to_string` is never used
[INFO] [stdout]   --> src/parser.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         fn tokens_to_string(tokens: &Box<[Token]>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unregister_all_sets`, `get_input`, `lookup_const`, and `exists_var` are never used
[INFO] [stdout]    --> src/parser.rs:605:12
[INFO] [stdout]     |
[INFO] [stdout] 531 | impl ParseContext {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 605 |     pub fn unregister_all_sets(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 620 |     pub fn get_input(&self) -> &String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 643 |     pub fn lookup_const(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 657 |     pub fn exists_var(&self, name: &String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:832:10
[INFO] [stdout]     |
[INFO] [stdout] 832 |     Eval(Option<PartialBinOpNode>),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Action` has derived impls for the traits `Clone` and `Debug`, but these are 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] 832 -     Eval(Option<PartialBinOpNode>),
[INFO] [stdout] 832 +     Eval(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DefineRecFunc` is never constructed
[INFO] [stdout]    --> src/parser.rs:831:5
[INFO] [stdout]     |
[INFO] [stdout] 828 | pub enum Action {
[INFO] [stdout]     |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 831 |     DefineRecFunc(String, Box<[String]>, (usize, usize)), // function name, function arguments, (recursive min idx, recursive min val)
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Action` 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: method `kind` is never used
[INFO] [stdout]    --> src/parser.rs:836:12
[INFO] [stdout]     |
[INFO] [stdout] 835 | impl Action {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 836 |     pub fn kind(&self) -> ActionKind {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActionKind` is never used
[INFO] [stdout]    --> src/parser.rs:847:10
[INFO] [stdout]     |
[INFO] [stdout] 847 | pub enum ActionKind {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parse_ctx` is never read
[INFO] [stdout]    --> src/parser.rs:855:5
[INFO] [stdout]     |
[INFO] [stdout] 854 | struct FunctionWalker<'a> {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] 855 |     parse_ctx: &'a ParseContext,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecFunctionInitValidator` is never constructed
[INFO] [stdout]    --> src/parser.rs:945:8
[INFO] [stdout]     |
[INFO] [stdout] 945 | struct RecFunctionInitValidator<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `diagnostics`, `unwrap`, and `to_wrapped` are never used
[INFO] [stdout]     --> src/parser.rs:1278:12
[INFO] [stdout]      |
[INFO] [stdout] 1267 | impl<T> ParseResult<T> {
[INFO] [stdout]      | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1278 |     pub fn diagnostics(&self) -> Option<&DiagnosticBuilder> {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1286 |     pub(crate) fn unwrap(self) -> (T, Option<DiagnosticBuilder>) {
[INFO] [stdout]      |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1292 |     fn to_wrapped(self) -> Result<ParseResult<T>, ParseResult<T>> {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Region` is never constructed
[INFO] [stdout]   --> src/shared.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Region(Span, Vec<Token>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> src/shared.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl TokenKind {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 145 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `associativity` is never used
[INFO] [stdout]    --> src/shared.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl BinOpKind {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn associativity(&self) -> Associativity {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `Left`, and `Right` are never constructed
[INFO] [stdout]    --> src/shared.rs:321:5
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub enum ArgsKind {
[INFO] [stdout]     |          -------- variants in this enum
[INFO] [stdout] 321 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 322 |     Left,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 323 |     Right,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ArgsKind` 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: variant `Plus` is never constructed
[INFO] [stdout]    --> src/shared.rs:350:5
[INFO] [stdout]     |
[INFO] [stdout] 348 | pub enum SignKind {
[INFO] [stdout]     |          -------- variant in this enum
[INFO] [stdout] 349 |     Default, // FIXME: replace this with the #[default] attribute on the Plus variant!
[INFO] [stdout] 350 |     Plus,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SignKind` 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: method `to_raw` is never used
[INFO] [stdout]    --> src/shared.rs:355:12
[INFO] [stdout]     |
[INFO] [stdout] 354 | impl SignKind {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 355 |     pub fn to_raw(&self) -> char {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Associativity` is never used
[INFO] [stdout]    --> src/shared.rs:776:10
[INFO] [stdout]     |
[INFO] [stdout] 776 | pub enum Associativity {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/shared.rs:802:12
[INFO] [stdout]     |
[INFO] [stdout] 787 | impl TokenStream {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 802 |     pub fn next_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 808 |     pub fn pop_token(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 817 |     pub fn look_back(&self) -> Option<&Token> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 821 |     pub fn look_back_by(&self, by: usize) -> Option<&Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 835 |     pub fn look_back_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 839 |     pub fn look_back_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 844 |     pub fn look_ahead_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 848 |     pub fn look_ahead_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_ref` and `into_ptr` are never used
[INFO] [stdout]   --> src/sized_box.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> SizedBox<T> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn as_ref(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn into_ptr(self) -> NonNull<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `fixed_token`, `shrink_hi`, and `shrink_lo` are never used
[INFO] [stdout]   --> src/span.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Span {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn fixed_token<const SIZE: usize>(position: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn shrink_hi(self) -> Result<Self, ShrinkHiError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn shrink_lo(self) -> Result<Self, ShrinkLoError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShrinkHiError` is never constructed
[INFO] [stdout]    --> src/span.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct ShrinkHiError(usize);
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShrinkLoError` is never constructed
[INFO] [stdout]    --> src/span.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub struct ShrinkLoError(usize);
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/token_stream.rs:27:12
[INFO] [stdout]     |
[INFO] [stdout]   9 | impl TokenStream {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  27 |     pub fn eat(&mut self, token_kind: TokenKind) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  48 |     pub fn can_advance(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub fn can_go_back(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |     pub fn look_ahead<F: FnOnce(&Token) -> bool>(&self, dist: usize, func: F) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn look_back<T, F: FnOnce(&Token) -> T>(&self, dist: usize, func: F) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn cursor(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub fn push_checkpoint(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn pop_checkpoint(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn clear_checkpoints(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn go_back_to_last_checkpoint(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn go_back_to_last_checkpoint_and_insert_checkpoint(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         calc.cli.await_input(&calc);
[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] 88 |         let _ = calc.cli.await_input(&calc);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/conc_once_cell.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             self.try_init(f());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let _ = self.try_init(f());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/equation_evaluator.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         self.walk(&mut node.lhs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let _ = self.walk(&mut node.lhs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.00s
[INFO] running `Command { std: "docker" "inspect" "eef65f62ee6fff9d3392a8c8adac431ffdcfdbcded64fc2c0756eb7e1acc2aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef65f62ee6fff9d3392a8c8adac431ffdcfdbcded64fc2c0756eb7e1acc2aef", kill_on_drop: false }`
[INFO] [stdout] eef65f62ee6fff9d3392a8c8adac431ffdcfdbcded64fc2c0756eb7e1acc2aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864d63052f8e19d4de938d1d176e8a1a59c3a8612128d3151c873b8105b28536
[INFO] running `Command { std: "docker" "start" "-a" "864d63052f8e19d4de938d1d176e8a1a59c3a8612128d3151c873b8105b28536", kill_on_drop: false }`
[INFO] [stderr]    Compiling MathInterpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Neg`
[INFO] [stdout]   --> src/equation_evaluator.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::ops::{Add, Neg, Sub};
[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 variable: `span`
[INFO] [stdout]   --> src/ast_walker.rs:90:44
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn walk_binop(&self, node: &BinOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/ast_walker.rs:99:49
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn walk_unary_op(&self, node: &UnaryOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]    |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:104:53
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn walk_maybe_func(&self, node: &MaybeFuncNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:129:48
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn walk_binop(&self, node: &mut BinOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:138:53
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn walk_unary_op(&self, node: &mut UnaryOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:172:43
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn walk_binop(&self, node: BinOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:181:48
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn walk_unary_op(&self, node: UnaryOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:186:52
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn walk_maybe_func(&self, node: MaybeFuncNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/ast_walker.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:218:44
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn walk_binop(&self, node: &BinOpNode, span: Span) -> PResult<Number> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:243:49
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn walk_unary_op(&self, node: &UnaryOpNode, span: Span) -> PResult<Number> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:307:48
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn walk_binop(&self, node: &mut BinOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/equation_evaluator.rs:312:24
[INFO] [stdout]     |
[INFO] [stdout] 312 |     fn walk_lit(&self, node: &mut LiteralToken, span: Span) -> PResult<()> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:312:49
[INFO] [stdout]     |
[INFO] [stdout] 312 |     fn walk_lit(&self, node: &mut LiteralToken, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/equation_evaluator.rs:316:29
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn walk_unary_op(&self, node: &mut UnaryOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn walk_unary_op(&self, node: &mut UnaryOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/equation_evaluator.rs:320:31
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn walk_maybe_func(&self, node: &mut MaybeFuncNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:320:57
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn walk_maybe_func(&self, node: &mut MaybeFuncNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/equation_evaluator.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         node: &mut FuncCallOrFuncDefNode,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/equation_evaluator.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         span: Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `potential_next_op`
[INFO] [stdout]    --> src/equation_simplifier.rs:785:21
[INFO] [stdout]     |
[INFO] [stdout] 785 |                 let potential_next_op = token_stream.look_ahead();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_potential_next_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/equation_simplifier.rs:844:5
[INFO] [stdout]     |
[INFO] [stdout] 844 |     input: &String,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/equation_simplifier.rs:872:5
[INFO] [stdout]     |
[INFO] [stdout] 872 |     input: &String,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]  --> src/equation_solver.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve_lin_1_arg(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stdout]   |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diagnostics_builder`
[INFO] [stdout]   --> src/lexer.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let diagnostics_builder = DiagnosticBuilder::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_diagnostics_builder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parse_ctx`
[INFO] [stdout]    --> src/parser.rs:646:9
[INFO] [stdout]     |
[INFO] [stdout] 646 |         parse_ctx: &ParseContext,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parse_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:860:49
[INFO] [stdout]     |
[INFO] [stdout] 860 |     fn walk_lit(&self, node: &mut LiteralToken, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:879:48
[INFO] [stdout]     |
[INFO] [stdout] 879 |     fn walk_lit(&self, lit_tok: &LiteralToken, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:890:44
[INFO] [stdout]     |
[INFO] [stdout] 890 |     fn walk_binop(&self, node: &BinOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:895:49
[INFO] [stdout]     |
[INFO] [stdout] 895 |     fn walk_unary_op(&self, node: &UnaryOpNode, span: Span) -> PResult<()> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser.rs:952:48
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn walk_lit(&self, lit_tok: &LiteralToken, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         window: &Window<Calculator>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `diagnostics` and `circle_unit` are never read
[INFO] [stdout]   --> src/_lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     diagnostics: DiagnosticsConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 11 |     pub(crate) ans_mode: ANSMode,
[INFO] [stdout] 12 |     pub(crate) circle_unit: CircleUnit,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `color` and `printing_order` are never read
[INFO] [stdout]   --> src/_lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct DiagnosticsConfig {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 32 |     color: bool,                              // FIXME: Currently unsupported
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     printing_order: DiagnosticsPrintingOrder, // FIXME: Currently unsupported
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticsConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Before` is never constructed
[INFO] [stdout]   --> src/_lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum DiagnosticsPrintingOrder {
[INFO] [stdout]    |          ------------------------ variant in this enum
[INFO] [stdout] 38 |     Before,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticsPrintingOrder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/_lib.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn solve(input: String, eval_ctx: &EvalContext) -> ParseResult<Option<Number>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AstWalkerConsuming` is never used
[INFO] [stdout]   --> src/ast_walker.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub trait AstWalkerConsuming<T> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LitWalkerConsuming` is never used
[INFO] [stdout]    --> src/ast_walker.rs:167:11
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub trait LitWalkerConsuming {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_init` is never used
[INFO] [stdout]   --> src/conc_once_cell.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> ConcurrentOnceCell<T> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn is_init(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BraceOpPrioritySimplificationPass` is never constructed
[INFO] [stdout]    --> src/equation_simplifier.rs:773:8
[INFO] [stdout]     |
[INFO] [stdout] 773 | struct BraceOpPrioritySimplificationPass;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner_span` is never read
[INFO] [stdout]    --> src/equation_simplifier.rs:930:5
[INFO] [stdout]     |
[INFO] [stdout] 927 | pub(crate) struct Region {
[INFO] [stdout]     |                   ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 930 |     inner_span: Span,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Region` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]     --> src/equation_simplifier.rs:944:19
[INFO] [stdout]      |
[INFO] [stdout]  933 | impl Region {
[INFO] [stdout]      | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  944 |     pub(crate) fn replace_in_tokens(self, tokens: &mut Vec<Token>) {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  952 |     pub(crate) fn to_token(self, tokens: Vec<Token>) -> Token {
[INFO] [stdout]      |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  956 |     pub(crate) fn to_inner_tokens(self, tokens: &Vec<Token>) -> Vec<Token> {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  964 |     pub(crate) fn pop_braces(&mut self, tokens: &mut Vec<Token>) {
[INFO] [stdout]      |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  975 |     pub(crate) fn partition_by_comma(&mut self, tokens: &mut Vec<Token>) -> Vec<usize> {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1025 |     pub(crate) fn erase_and_provide_args(mut self, tokens: &mut Vec<Token>) -> Vec<Vec<Token>> {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1055 |     pub(crate) fn len(&self) -> usize {
[INFO] [stdout]      |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_lin_1_arg` is never used
[INFO] [stdout]  --> src/equation_solver.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve_lin_1_arg(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `error`, `warn_spanned`, `warn`, `note`, `suggest_spanned`, and `build_multi_span_string` are never used
[INFO] [stdout]   --> src/error.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl DiagnosticBuilder {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn error(&mut self, error: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn warn_spanned(&mut self, warning: String, span: Span) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn warn(&mut self, warning: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn note(&mut self, note: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn suggest_spanned(&mut self, suggestion: String, span: Span) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn build_multi_span_string(len: usize, spans: &Vec<Span>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Warn`, `Suggestion`, and `Note` are never constructed
[INFO] [stdout]   --> src/error.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) enum DiagnosticItem {
[INFO] [stdout]    |                 -------------- variants in this enum
[INFO] [stdout] 85 |     Error(String, Span),
[INFO] [stdout] 86 |     Warn(String, Span),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 87 |     Suggestion(String, Span),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 88 |     Note(String),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokens_to_string` is never used
[INFO] [stdout]   --> src/parser.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         fn tokens_to_string(tokens: &Box<[Token]>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unregister_all_sets`, `lookup_const`, and `exists_var` are never used
[INFO] [stdout]    --> src/parser.rs:605:12
[INFO] [stdout]     |
[INFO] [stdout] 531 | impl ParseContext {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 605 |     pub fn unregister_all_sets(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 643 |     pub fn lookup_const(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 657 |     pub fn exists_var(&self, name: &String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:832:10
[INFO] [stdout]     |
[INFO] [stdout] 832 |     Eval(Option<PartialBinOpNode>),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Action` has derived impls for the traits `Clone` and `Debug`, but these are 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] 832 -     Eval(Option<PartialBinOpNode>),
[INFO] [stdout] 832 +     Eval(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DefineRecFunc` is never constructed
[INFO] [stdout]    --> src/parser.rs:831:5
[INFO] [stdout]     |
[INFO] [stdout] 828 | pub enum Action {
[INFO] [stdout]     |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 831 |     DefineRecFunc(String, Box<[String]>, (usize, usize)), // function name, function arguments, (recursive min idx, recursive min val)
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Action` 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: method `kind` is never used
[INFO] [stdout]    --> src/parser.rs:836:12
[INFO] [stdout]     |
[INFO] [stdout] 835 | impl Action {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 836 |     pub fn kind(&self) -> ActionKind {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActionKind` is never used
[INFO] [stdout]    --> src/parser.rs:847:10
[INFO] [stdout]     |
[INFO] [stdout] 847 | pub enum ActionKind {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parse_ctx` is never read
[INFO] [stdout]    --> src/parser.rs:855:5
[INFO] [stdout]     |
[INFO] [stdout] 854 | struct FunctionWalker<'a> {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] 855 |     parse_ctx: &'a ParseContext,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecFunctionInitValidator` is never constructed
[INFO] [stdout]    --> src/parser.rs:945:8
[INFO] [stdout]     |
[INFO] [stdout] 945 | struct RecFunctionInitValidator<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `diagnostics` and `to_wrapped` are never used
[INFO] [stdout]     --> src/parser.rs:1278:12
[INFO] [stdout]      |
[INFO] [stdout] 1267 | impl<T> ParseResult<T> {
[INFO] [stdout]      | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1278 |     pub fn diagnostics(&self) -> Option<&DiagnosticBuilder> {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1292 |     fn to_wrapped(self) -> Result<ParseResult<T>, ParseResult<T>> {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Region` is never constructed
[INFO] [stdout]   --> src/shared.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Region(Span, Vec<Token>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> src/shared.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl TokenKind {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 145 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `associativity` is never used
[INFO] [stdout]    --> src/shared.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl BinOpKind {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn associativity(&self) -> Associativity {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `Left`, and `Right` are never constructed
[INFO] [stdout]    --> src/shared.rs:321:5
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub enum ArgsKind {
[INFO] [stdout]     |          -------- variants in this enum
[INFO] [stdout] 321 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 322 |     Left,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 323 |     Right,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ArgsKind` 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: variant `Plus` is never constructed
[INFO] [stdout]    --> src/shared.rs:350:5
[INFO] [stdout]     |
[INFO] [stdout] 348 | pub enum SignKind {
[INFO] [stdout]     |          -------- variant in this enum
[INFO] [stdout] 349 |     Default, // FIXME: replace this with the #[default] attribute on the Plus variant!
[INFO] [stdout] 350 |     Plus,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SignKind` 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: method `to_raw` is never used
[INFO] [stdout]    --> src/shared.rs:355:12
[INFO] [stdout]     |
[INFO] [stdout] 354 | impl SignKind {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 355 |     pub fn to_raw(&self) -> char {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Associativity` is never used
[INFO] [stdout]    --> src/shared.rs:776:10
[INFO] [stdout]     |
[INFO] [stdout] 776 | pub enum Associativity {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/shared.rs:802:12
[INFO] [stdout]     |
[INFO] [stdout] 787 | impl TokenStream {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 802 |     pub fn next_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 808 |     pub fn pop_token(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 817 |     pub fn look_back(&self) -> Option<&Token> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 821 |     pub fn look_back_by(&self, by: usize) -> Option<&Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 835 |     pub fn look_back_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 839 |     pub fn look_back_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 844 |     pub fn look_ahead_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 848 |     pub fn look_ahead_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_ref` and `into_ptr` are never used
[INFO] [stdout]   --> src/sized_box.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> SizedBox<T> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn as_ref(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn into_ptr(self) -> NonNull<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `fixed_token`, `shrink_hi`, and `shrink_lo` are never used
[INFO] [stdout]   --> src/span.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Span {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn fixed_token<const SIZE: usize>(position: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn shrink_hi(self) -> Result<Self, ShrinkHiError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn shrink_lo(self) -> Result<Self, ShrinkLoError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShrinkHiError` is never constructed
[INFO] [stdout]    --> src/span.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct ShrinkHiError(usize);
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShrinkLoError` is never constructed
[INFO] [stdout]    --> src/span.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub struct ShrinkLoError(usize);
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/token_stream.rs:27:12
[INFO] [stdout]     |
[INFO] [stdout]   9 | impl TokenStream {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  27 |     pub fn eat(&mut self, token_kind: TokenKind) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  48 |     pub fn can_advance(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub fn can_go_back(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |     pub fn look_ahead<F: FnOnce(&Token) -> bool>(&self, dist: usize, func: F) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn look_back<T, F: FnOnce(&Token) -> T>(&self, dist: usize, func: F) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn cursor(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub fn push_checkpoint(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn pop_checkpoint(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn clear_checkpoints(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn go_back_to_last_checkpoint(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn go_back_to_last_checkpoint_and_insert_checkpoint(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         calc.cli.await_input(&calc);
[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] 88 |         let _ = calc.cli.await_input(&calc);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/conc_once_cell.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             self.try_init(f());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let _ = self.try_init(f());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/equation_evaluator.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         self.walk(&mut node.lhs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let _ = self.walk(&mut node.lhs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "864d63052f8e19d4de938d1d176e8a1a59c3a8612128d3151c873b8105b28536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864d63052f8e19d4de938d1d176e8a1a59c3a8612128d3151c873b8105b28536", kill_on_drop: false }`
[INFO] [stdout] 864d63052f8e19d4de938d1d176e8a1a59c3a8612128d3151c873b8105b28536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69ec8b2b3de6f093b8a816d5eebac8943de26ded5fa46a8c2faa36f45ac5f67d
[INFO] running `Command { std: "docker" "start" "-a" "69ec8b2b3de6f093b8a816d5eebac8943de26ded5fa46a8c2faa36f45ac5f67d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Neg`
[INFO] [stderr]   --> src/equation_evaluator.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ops::{Add, Neg, Sub};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]   --> src/ast_walker.rs:90:44
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn walk_binop(&self, node: &BinOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]   --> src/ast_walker.rs:99:49
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn walk_unary_op(&self, node: &UnaryOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]    |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:104:53
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn walk_maybe_func(&self, node: &MaybeFuncNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         span: Span,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:129:48
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn walk_binop(&self, node: &mut BinOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:138:53
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn walk_unary_op(&self, node: &mut UnaryOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         span: Span,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         span: Span,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:172:43
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn walk_binop(&self, node: BinOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:181:48
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn walk_unary_op(&self, node: UnaryOpNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:186:52
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn walk_maybe_func(&self, node: MaybeFuncNode, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/ast_walker.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |         span: Span,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/equation_evaluator.rs:218:44
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn walk_binop(&self, node: &BinOpNode, span: Span) -> PResult<Number> {
[INFO] [stderr]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/equation_evaluator.rs:243:49
[INFO] [stderr]     |
[INFO] [stderr] 243 |     fn walk_unary_op(&self, node: &UnaryOpNode, span: Span) -> PResult<Number> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/equation_evaluator.rs:307:48
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn walk_binop(&self, node: &mut BinOpNode, span: Span) -> PResult<()> {
[INFO] [stderr]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/equation_evaluator.rs:312:24
[INFO] [stderr]     |
[INFO] [stderr] 312 |     fn walk_lit(&self, node: &mut LiteralToken, span: Span) -> PResult<()> {
[INFO] [stderr]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/equation_evaluator.rs:312:49
[INFO] [stderr]     |
[INFO] [stderr] 312 |     fn walk_lit(&self, node: &mut LiteralToken, span: Span) -> PResult<()> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/equation_evaluator.rs:316:29
[INFO] [stderr]     |
[INFO] [stderr] 316 |     fn walk_unary_op(&self, node: &mut UnaryOpNode, span: Span) -> PResult<()> {
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/equation_evaluator.rs:316:53
[INFO] [stderr]     |
[INFO] [stderr] 316 |     fn walk_unary_op(&self, node: &mut UnaryOpNode, span: Span) -> PResult<()> {
[INFO] [stderr]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/equation_evaluator.rs:320:31
[INFO] [stderr]     |
[INFO] [stderr] 320 |     fn walk_maybe_func(&self, node: &mut MaybeFuncNode, span: Span) -> PResult<()> {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/equation_evaluator.rs:320:57
[INFO] [stderr]     |
[INFO] [stderr] 320 |     fn walk_maybe_func(&self, node: &mut MaybeFuncNode, span: Span) -> PResult<()> {
[INFO] [stderr]     |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/equation_evaluator.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         node: &mut FuncCallOrFuncDefNode,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/equation_evaluator.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         span: Span,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `potential_next_op`
[INFO] [stderr]    --> src/equation_simplifier.rs:785:21
[INFO] [stderr]     |
[INFO] [stderr] 785 |                 let potential_next_op = token_stream.look_ahead();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_potential_next_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/equation_simplifier.rs:844:5
[INFO] [stderr]     |
[INFO] [stderr] 844 |     input: &String,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/equation_simplifier.rs:872:5
[INFO] [stderr]     |
[INFO] [stderr] 872 |     input: &String,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tokens`
[INFO] [stderr]  --> src/equation_solver.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn solve_lin_1_arg(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stderr]   |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `diagnostics_builder`
[INFO] [stderr]   --> src/lexer.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let diagnostics_builder = DiagnosticBuilder::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_diagnostics_builder`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parse_ctx`
[INFO] [stderr]    --> src/parser.rs:646:9
[INFO] [stderr]     |
[INFO] [stderr] 646 |         parse_ctx: &ParseContext,
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parse_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/parser.rs:860:49
[INFO] [stderr]     |
[INFO] [stderr] 860 |     fn walk_lit(&self, node: &mut LiteralToken, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/parser.rs:879:48
[INFO] [stderr]     |
[INFO] [stderr] 879 |     fn walk_lit(&self, lit_tok: &LiteralToken, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/parser.rs:890:44
[INFO] [stderr]     |
[INFO] [stderr] 890 |     fn walk_binop(&self, node: &BinOpNode, span: Span) -> PResult<()> {
[INFO] [stderr]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/parser.rs:895:49
[INFO] [stderr]     |
[INFO] [stderr] 895 |     fn walk_unary_op(&self, node: &UnaryOpNode, span: Span) -> PResult<()> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/parser.rs:952:48
[INFO] [stderr]     |
[INFO] [stderr] 952 |     fn walk_lit(&self, lit_tok: &LiteralToken, span: Span) -> Result<(), DiagnosticBuilder> {
[INFO] [stderr]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]    --> src/main.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         window: &Window<Calculator>,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `diagnostics` and `circle_unit` are never read
[INFO] [stderr]   --> src/_lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct Config {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 10 |     diagnostics: DiagnosticsConfig,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 11 |     pub(crate) ans_mode: ANSMode,
[INFO] [stderr] 12 |     pub(crate) circle_unit: CircleUnit,
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Config` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `color` and `printing_order` are never read
[INFO] [stderr]   --> src/_lib.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct DiagnosticsConfig {
[INFO] [stderr]    |            ----------------- fields in this struct
[INFO] [stderr] 32 |     color: bool,                              // FIXME: Currently unsupported
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 33 |     printing_order: DiagnosticsPrintingOrder, // FIXME: Currently unsupported
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DiagnosticsConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Before` is never constructed
[INFO] [stderr]   --> src/_lib.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub enum DiagnosticsPrintingOrder {
[INFO] [stderr]    |          ------------------------ variant in this enum
[INFO] [stderr] 38 |     Before,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DiagnosticsPrintingOrder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve` is never used
[INFO] [stderr]   --> src/_lib.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn solve(input: String, eval_ctx: &EvalContext) -> ParseResult<Option<Number>> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `AstWalkerConsuming` is never used
[INFO] [stderr]   --> src/ast_walker.rs:61:11
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub trait AstWalkerConsuming<T> {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `LitWalkerConsuming` is never used
[INFO] [stderr]    --> src/ast_walker.rs:167:11
[INFO] [stderr]     |
[INFO] [stderr] 167 | pub trait LitWalkerConsuming {
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_init` is never used
[INFO] [stderr]   --> src/conc_once_cell.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl<T> ConcurrentOnceCell<T> {
[INFO] [stderr]    | ----------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn is_init(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BraceOpPrioritySimplificationPass` is never constructed
[INFO] [stderr]    --> src/equation_simplifier.rs:773:8
[INFO] [stderr]     |
[INFO] [stderr] 773 | struct BraceOpPrioritySimplificationPass;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `inner_span` is never read
[INFO] [stderr]    --> src/equation_simplifier.rs:930:5
[INFO] [stderr]     |
[INFO] [stderr] 927 | pub(crate) struct Region {
[INFO] [stderr]     |                   ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 930 |     inner_span: Span,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Region` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]     --> src/equation_simplifier.rs:944:19
[INFO] [stderr]      |
[INFO] [stderr]  933 | impl Region {
[INFO] [stderr]      | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  944 |     pub(crate) fn replace_in_tokens(self, tokens: &mut Vec<Token>) {
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  952 |     pub(crate) fn to_token(self, tokens: Vec<Token>) -> Token {
[INFO] [stderr]      |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  956 |     pub(crate) fn to_inner_tokens(self, tokens: &Vec<Token>) -> Vec<Token> {
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  964 |     pub(crate) fn pop_braces(&mut self, tokens: &mut Vec<Token>) {
[INFO] [stderr]      |                   ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  975 |     pub(crate) fn partition_by_comma(&mut self, tokens: &mut Vec<Token>) -> Vec<usize> {
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1025 |     pub(crate) fn erase_and_provide_args(mut self, tokens: &mut Vec<Token>) -> Vec<Vec<Token>> {
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1055 |     pub(crate) fn len(&self) -> usize {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_lin_1_arg` is never used
[INFO] [stderr]  --> src/equation_solver.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn solve_lin_1_arg(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `error`, `warn_spanned`, `warn`, `note`, `suggest_spanned`, and `build_multi_span_string` are never used
[INFO] [stderr]   --> src/error.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl DiagnosticBuilder {
[INFO] [stderr]    | ---------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn error(&mut self, error: String) -> &mut Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub fn warn_spanned(&mut self, warning: String, span: Span) -> &mut Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub fn warn(&mut self, warning: String) -> &mut Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn note(&mut self, note: String) -> &mut Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn suggest_spanned(&mut self, suggestion: String, span: Span) -> &mut Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     fn build_multi_span_string(len: usize, spans: &Vec<Span>) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Warn`, `Suggestion`, and `Note` are never constructed
[INFO] [stderr]   --> src/error.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | pub(crate) enum DiagnosticItem {
[INFO] [stderr]    |                 -------------- variants in this enum
[INFO] [stderr] 85 |     Error(String, Span),
[INFO] [stderr] 86 |     Warn(String, Span),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 87 |     Suggestion(String, Span),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 88 |     Note(String),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DiagnosticItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `tokens_to_string` is never used
[INFO] [stderr]   --> src/parser.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |         fn tokens_to_string(tokens: &Box<[Token]>) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `unregister_all_sets`, `lookup_const`, and `exists_var` are never used
[INFO] [stderr]    --> src/parser.rs:605:12
[INFO] [stderr]     |
[INFO] [stderr] 531 | impl ParseContext {
[INFO] [stderr]     | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 605 |     pub fn unregister_all_sets(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 643 |     pub fn lookup_const(
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 657 |     pub fn exists_var(&self, name: &String) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/parser.rs:832:10
[INFO] [stderr]     |
[INFO] [stderr] 832 |     Eval(Option<PartialBinOpNode>),
[INFO] [stderr]     |     ---- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Action` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 832 -     Eval(Option<PartialBinOpNode>),
[INFO] [stderr] 832 +     Eval(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `DefineRecFunc` is never constructed
[INFO] [stderr]    --> src/parser.rs:831:5
[INFO] [stderr]     |
[INFO] [stderr] 828 | pub enum Action {
[INFO] [stderr]     |          ------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 831 |     DefineRecFunc(String, Box<[String]>, (usize, usize)), // function name, function arguments, (recursive min idx, recursive min val)
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Action` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `kind` is never used
[INFO] [stderr]    --> src/parser.rs:836:12
[INFO] [stderr]     |
[INFO] [stderr] 835 | impl Action {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] 836 |     pub fn kind(&self) -> ActionKind {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ActionKind` is never used
[INFO] [stderr]    --> src/parser.rs:847:10
[INFO] [stderr]     |
[INFO] [stderr] 847 | pub enum ActionKind {
[INFO] [stderr]     |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `parse_ctx` is never read
[INFO] [stderr]    --> src/parser.rs:855:5
[INFO] [stderr]     |
[INFO] [stderr] 854 | struct FunctionWalker<'a> {
[INFO] [stderr]     |        -------------- field in this struct
[INFO] [stderr] 855 |     parse_ctx: &'a ParseContext,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RecFunctionInitValidator` is never constructed
[INFO] [stderr]    --> src/parser.rs:945:8
[INFO] [stderr]     |
[INFO] [stderr] 945 | struct RecFunctionInitValidator<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `diagnostics` and `to_wrapped` are never used
[INFO] [stderr]     --> src/parser.rs:1278:12
[INFO] [stderr]      |
[INFO] [stderr] 1267 | impl<T> ParseResult<T> {
[INFO] [stderr]      | ---------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 1278 |     pub fn diagnostics(&self) -> Option<&DiagnosticBuilder> {
[INFO] [stderr]      |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1292 |     fn to_wrapped(self) -> Result<ParseResult<T>, ParseResult<T>> {
[INFO] [stderr]      |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Region` is never constructed
[INFO] [stderr]   --> src/shared.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub enum Token {
[INFO] [stderr]    |          ----- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 24 |     Region(Span, Vec<Token>),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_string` is never used
[INFO] [stderr]    --> src/shared.rs:145:12
[INFO] [stderr]     |
[INFO] [stderr] 144 | impl TokenKind {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] 145 |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `associativity` is never used
[INFO] [stderr]    --> src/shared.rs:260:12
[INFO] [stderr]     |
[INFO] [stderr] 235 | impl BinOpKind {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 260 |     pub fn associativity(&self) -> Associativity {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `None`, `Left`, and `Right` are never constructed
[INFO] [stderr]    --> src/shared.rs:321:5
[INFO] [stderr]     |
[INFO] [stderr] 320 | pub enum ArgsKind {
[INFO] [stderr]     |          -------- variants in this enum
[INFO] [stderr] 321 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 322 |     Left,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 323 |     Right,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ArgsKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Plus` is never constructed
[INFO] [stderr]    --> src/shared.rs:350:5
[INFO] [stderr]     |
[INFO] [stderr] 348 | pub enum SignKind {
[INFO] [stderr]     |          -------- variant in this enum
[INFO] [stderr] 349 |     Default, // FIXME: replace this with the #[default] attribute on the Plus variant!
[INFO] [stderr] 350 |     Plus,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `SignKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_raw` is never used
[INFO] [stderr]    --> src/shared.rs:355:12
[INFO] [stderr]     |
[INFO] [stderr] 354 | impl SignKind {
[INFO] [stderr]     | ------------- method in this implementation
[INFO] [stderr] 355 |     pub fn to_raw(&self) -> char {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Associativity` is never used
[INFO] [stderr]    --> src/shared.rs:776:10
[INFO] [stderr]     |
[INFO] [stderr] 776 | pub enum Associativity {
[INFO] [stderr]     |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/shared.rs:802:12
[INFO] [stderr]     |
[INFO] [stderr] 787 | impl TokenStream {
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 802 |     pub fn next_mut(&mut self) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 808 |     pub fn pop_token(&mut self) -> Token {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 817 |     pub fn look_back(&self) -> Option<&Token> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 821 |     pub fn look_back_by(&self, by: usize) -> Option<&Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 835 |     pub fn look_back_mut(&mut self) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 839 |     pub fn look_back_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 844 |     pub fn look_ahead_mut(&mut self) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 848 |     pub fn look_ahead_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `as_ref` and `into_ptr` are never used
[INFO] [stderr]   --> src/sized_box.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<T> SizedBox<T> {
[INFO] [stderr]    | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn as_ref(&self) -> &T {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn into_ptr(self) -> NonNull<T> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `fixed_token`, `shrink_hi`, and `shrink_lo` are never used
[INFO] [stderr]   --> src/span.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Span {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn fixed_token<const SIZE: usize>(position: usize) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn shrink_hi(self) -> Result<Self, ShrinkHiError> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn shrink_lo(self) -> Result<Self, ShrinkLoError> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ShrinkHiError` is never constructed
[INFO] [stderr]    --> src/span.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub struct ShrinkHiError(usize);
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ShrinkLoError` is never constructed
[INFO] [stderr]    --> src/span.rs:167:12
[INFO] [stderr]     |
[INFO] [stderr] 167 | pub struct ShrinkLoError(usize);
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/token_stream.rs:27:12
[INFO] [stderr]     |
[INFO] [stderr]   9 | impl TokenStream {
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  27 |     pub fn eat(&mut self, token_kind: TokenKind) -> bool {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  48 |     pub fn can_advance(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  57 |     pub fn can_go_back(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  61 |     pub fn look_ahead<F: FnOnce(&Token) -> bool>(&self, dist: usize, func: F) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  71 |     pub fn look_back<T, F: FnOnce(&Token) -> T>(&self, dist: usize, func: F) -> Option<T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  88 |     pub fn cursor(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  98 |     pub fn push_checkpoint(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     pub fn pop_checkpoint(&mut self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 106 |     pub fn clear_checkpoints(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     pub fn go_back_to_last_checkpoint(&mut self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 120 |     pub fn go_back_to_last_checkpoint_and_insert_checkpoint(&mut self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         calc.cli.await_input(&calc);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let _ = calc.cli.await_input(&calc);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/conc_once_cell.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             self.try_init(f());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let _ = self.try_init(f());
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/equation_evaluator.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         self.walk(&mut node.lhs);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 308 |         let _ = self.walk(&mut node.lhs);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `MathInterpreter` (bin "MathInterpreter" test) generated 74 warnings (run `cargo fix --bin "MathInterpreter" -p MathInterpreter --tests` to apply 35 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/MathInterpreter-d10e03a9bcac9745)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test parser::test_vars ... ok
[INFO] [stdout] test equation_simplifier::test ... FAILED
[INFO] [stdout] test parser::test_ans ... FAILED
[INFO] [stdout] test parser::test_simple_ops ... FAILED
[INFO] [stdout] test parser::test_functions ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- equation_simplifier::test stdout ----
[INFO] [stdout] 32
[INFO] [stdout] 0
[INFO] [stdout] 0
[INFO] [stdout] 32+x
[INFO] [stdout] 
[INFO] [stdout] thread 'equation_simplifier::test' (25) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:367:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Semantics { exponent: 11, precision: 53, mode: NearestTiesToEven }
[INFO] [stdout]  right: Semantics { exponent: 19, precision: 237, mode: NearestTiesToEven }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ce1312c522 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55ce1312c522 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55ce1312c522 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55ce1312c522 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55ce1314285a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55ce1314285a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x55ce13131856 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55ce13131856 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x55ce1310a64f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55ce1310a64f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55ce131246b9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55ce1307319e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x55ce1307319e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x55ce13124872 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x55ce13124872 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55ce1310a708 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55ce130ff399 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55ce1310b64d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55ce13142f9c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55ce13142e23 - core[585f66e14d78f9ba]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55ce130e5f1e - core[585f66e14d78f9ba]::panicking::assert_failed::<arpfloat[16a512c1ef51f819]::float::Semantics, arpfloat[16a512c1ef51f819]::float::Semantics>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55ce130da9e7 - <arpfloat[16a512c1ef51f819]::float::Float>::mul_normals
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:367:9
[INFO] [stdout]   22:     0x55ce130db17d - <arpfloat[16a512c1ef51f819]::float::Float>::mul_with_rm
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:358:39
[INFO] [stdout]   23:     0x55ce130df13b - <arpfloat[16a512c1ef51f819]::float::Float as core[585f66e14d78f9ba]::ops::arith::Mul>::mul
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:632:17
[INFO] [stdout]   24:     0x55ce130662dc - <MathInterpreter[4853892aea7e240e]::shared::Number as core[585f66e14d78f9ba]::ops::arith::Mul>::mul
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shared.rs:478:51
[INFO] [stdout]   25:     0x55ce1306032e - <MathInterpreter[4853892aea7e240e]::shared::BinOpKind>::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shared.rs:291:36
[INFO] [stdout]   26:     0x55ce1302ac3a - <MathInterpreter[4853892aea7e240e]::equation_simplifier::ConstOpSimplificationPass as MathInterpreter[4853892aea7e240e]::equation_simplifier::PrioritizedSimplificationPass>::simplify2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_simplifier.rs:125:58
[INFO] [stdout]   27:     0x55ce130262a7 - <MathInterpreter[4853892aea7e240e]::equation_simplifier::ConstOpSimplificationPass as MathInterpreter[4853892aea7e240e]::equation_simplifier::SimplificationPass>::simplify
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_simplifier.rs:58:14
[INFO] [stdout]   28:     0x55ce1302ba27 - <MathInterpreter[4853892aea7e240e]::equation_simplifier::ConstOpSimplificationPass as MathInterpreter[4853892aea7e240e]::equation_simplifier::SimplificationPass>::start_simplify
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_simplifier.rs:38:27
[INFO] [stdout]   29:     0x55ce130216d3 - MathInterpreter[4853892aea7e240e]::equation_simplifier::simplify
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_simplifier.rs:29:20
[INFO] [stdout]   30:     0x55ce1300dc81 - <MathInterpreter[4853892aea7e240e]::parser::Parser>::parse_simplify
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:162:32
[INFO] [stdout]   31:     0x55ce130119e6 - <MathInterpreter[4853892aea7e240e]::parser::Parser>::parse
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:155:48
[INFO] [stdout]   32:     0x55ce13049ef1 - MathInterpreter[4853892aea7e240e]::__lib::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/__lib.rs:23:12
[INFO] [stdout]   33:     0x55ce13054ecd - MathInterpreter[4853892aea7e240e]::_lib::simplify
[INFO] [stdout]                                at /opt/rustwide/workdir/src/_lib.rs:70:5
[INFO] [stdout]   34:     0x55ce13022388 - MathInterpreter[4853892aea7e240e]::equation_simplifier::test
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_simplifier.rs:1077:5
[INFO] [stdout]   35:     0x55ce1301fc07 - MathInterpreter[4853892aea7e240e]::equation_simplifier::test::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_simplifier.rs:1061:10
[INFO] [stdout]   36:     0x55ce130319a6 - <MathInterpreter[4853892aea7e240e]::equation_simplifier::test::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   37:     0x55ce1306754b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   38:     0x55ce1306754b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   39:     0x55ce13073daa - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   40:     0x55ce13073daa - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x55ce13073daa - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x55ce13073daa - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x55ce13073daa - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x55ce13073daa - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   45:     0x55ce13073daa - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   46:     0x55ce1306e274 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   47:     0x55ce1306e274 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   48:     0x55ce130768a2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   49:     0x55ce130768a2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   50:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   51:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   52:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   53:     0x55ce130768a2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   54:     0x55ce130768a2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   55:     0x55ce1312bd9f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   56:     0x55ce1312bd9f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   57:     0x758ba5d5faa4 - <unknown>
[INFO] [stdout]   58:     0x758ba5deca64 - clone
[INFO] [stdout]   59:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- parser::test_ans stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'parser::test_ans' (26) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:367:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Semantics { exponent: 11, precision: 53, mode: NearestTiesToEven }
[INFO] [stdout]  right: Semantics { exponent: 19, precision: 237, mode: NearestTiesToEven }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ce1312c522 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55ce1312c522 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55ce1312c522 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55ce1312c522 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55ce1314285a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55ce1314285a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x55ce13131856 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55ce13131856 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x55ce1310a64f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55ce1310a64f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55ce131246b9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55ce1307319e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x55ce1307319e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x55ce13124872 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x55ce13124872 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55ce1310a708 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55ce130ff399 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55ce1310b64d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55ce13142f9c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55ce13142e23 - core[585f66e14d78f9ba]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55ce130e5f1e - core[585f66e14d78f9ba]::panicking::assert_failed::<arpfloat[16a512c1ef51f819]::float::Semantics, arpfloat[16a512c1ef51f819]::float::Semantics>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55ce130da9e7 - <arpfloat[16a512c1ef51f819]::float::Float>::mul_normals
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:367:9
[INFO] [stdout]   22:     0x55ce130db17d - <arpfloat[16a512c1ef51f819]::float::Float>::mul_with_rm
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:358:39
[INFO] [stdout]   23:     0x55ce130df13b - <arpfloat[16a512c1ef51f819]::float::Float as core[585f66e14d78f9ba]::ops::arith::Mul>::mul
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:632:17
[INFO] [stdout]   24:     0x55ce130662dc - <MathInterpreter[4853892aea7e240e]::shared::Number as core[585f66e14d78f9ba]::ops::arith::Mul>::mul
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shared.rs:478:51
[INFO] [stdout]   25:     0x55ce1306032e - <MathInterpreter[4853892aea7e240e]::shared::BinOpKind>::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shared.rs:291:36
[INFO] [stdout]   26:     0x55ce1304a4c3 - <MathInterpreter[4853892aea7e240e]::equation_evaluator::EvalWalker as MathInterpreter[4853892aea7e240e]::ast_walker::AstWalker<MathInterpreter[4853892aea7e240e]::shared::Number>>::walk_binop
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_evaluator.rs:221:20
[INFO] [stdout]   27:     0x55ce1304c17e - <MathInterpreter[4853892aea7e240e]::equation_evaluator::EvalWalker as MathInterpreter[4853892aea7e240e]::ast_walker::AstWalker<MathInterpreter[4853892aea7e240e]::shared::Number>>::walk
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ast_walker.rs:24:42
[INFO] [stdout]   28:     0x55ce13047e43 - MathInterpreter[4853892aea7e240e]::equation_evaluator::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_evaluator.rs:203:20
[INFO] [stdout]   29:     0x55ce130119cf - <MathInterpreter[4853892aea7e240e]::parser::Parser>::parse
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:146:27
[INFO] [stdout]   30:     0x55ce13049ef1 - MathInterpreter[4853892aea7e240e]::__lib::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/__lib.rs:23:12
[INFO] [stdout]   31:     0x55ce13054c9a - MathInterpreter[4853892aea7e240e]::_lib::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/_lib.rs:65:5
[INFO] [stdout]   32:     0x55ce13019182 - MathInterpreter[4853892aea7e240e]::parser::test_ans
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:1382:18
[INFO] [stdout]   33:     0x55ce1300cab7 - MathInterpreter[4853892aea7e240e]::parser::test_ans::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:1374:14
[INFO] [stdout]   34:     0x55ce13031a66 - <MathInterpreter[4853892aea7e240e]::parser::test_ans::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   35:     0x55ce1306754b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   36:     0x55ce1306754b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   37:     0x55ce13073daa - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   38:     0x55ce13073daa - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   39:     0x55ce13073daa - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x55ce13073daa - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x55ce13073daa - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x55ce13073daa - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   43:     0x55ce13073daa - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   44:     0x55ce1306e274 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   45:     0x55ce1306e274 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   46:     0x55ce130768a2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   47:     0x55ce130768a2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   48:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   49:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   50:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   51:     0x55ce130768a2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   52:     0x55ce130768a2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   53:     0x55ce1312bd9f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   54:     0x55ce1312bd9f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   55:     0x758ba5d5faa4 - <unknown>
[INFO] [stdout]   56:     0x758ba5deca64 - clone
[INFO] [stdout]   57:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- parser::test_simple_ops stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'parser::test_simple_ops' (28) panicked at src/parser.rs:1338:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "120"
[INFO] [stdout]  right: "119.9999999999997"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ce1312c522 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55ce1312c522 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55ce1312c522 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55ce1312c522 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55ce1314285a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55ce1314285a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x55ce13131856 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55ce13131856 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x55ce1310a64f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55ce1310a64f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55ce131246b9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55ce1307319e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x55ce1307319e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x55ce13124872 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x55ce13124872 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55ce1310a708 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55ce130ff399 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55ce1310b64d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55ce13142f9c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55ce13142e23 - core[585f66e14d78f9ba]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55ce13038a92 - core[585f66e14d78f9ba]::panicking::assert_failed::<alloc[15e7b27aba85d2e2]::string::String, &str>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55ce1301903a - MathInterpreter[4853892aea7e240e]::parser::test_simple_ops
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:1338:5
[INFO] [stdout]   22:     0x55ce1300ca87 - MathInterpreter[4853892aea7e240e]::parser::test_simple_ops::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:1301:21
[INFO] [stdout]   23:     0x55ce13031a26 - <MathInterpreter[4853892aea7e240e]::parser::test_simple_ops::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55ce1306754b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55ce1306754b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x55ce13073daa - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x55ce13073daa - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x55ce13073daa - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x55ce13073daa - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x55ce13073daa - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x55ce13073daa - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x55ce13073daa - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x55ce1306e274 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x55ce1306e274 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x55ce130768a2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x55ce130768a2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x55ce130768a2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x55ce130768a2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55ce1312bd9f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x55ce1312bd9f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x758ba5d5faa4 - <unknown>
[INFO] [stdout]   45:     0x758ba5deca64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- parser::test_functions stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'parser::test_functions' (27) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:526:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Semantics { exponent: 11, precision: 53, mode: NearestTiesToEven }
[INFO] [stdout]  right: Semantics { exponent: 19, precision: 237, mode: NearestTiesToEven }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ce1312c522 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55ce1312c522 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55ce1312c522 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55ce1312c522 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55ce1314285a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55ce1314285a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x55ce13131856 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55ce13131856 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x55ce1310a64f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55ce1310a64f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55ce131246b9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55ce1307319e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x55ce1307319e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x55ce13124872 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x55ce13124872 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55ce1310a708 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55ce130ff399 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55ce1310b64d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55ce13142f9c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55ce13142e23 - core[585f66e14d78f9ba]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55ce130e5f1e - core[585f66e14d78f9ba]::panicking::assert_failed::<arpfloat[16a512c1ef51f819]::float::Semantics, arpfloat[16a512c1ef51f819]::float::Semantics>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55ce130d81a0 - <arpfloat[16a512c1ef51f819]::float::Float>::div_normals
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:526:9
[INFO] [stdout]   22:     0x55ce130d8957 - <arpfloat[16a512c1ef51f819]::float::Float>::div_with_rm
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:515:39
[INFO] [stdout]   23:     0x55ce130df3bb - <arpfloat[16a512c1ef51f819]::float::Float as core[585f66e14d78f9ba]::ops::arith::Div>::div
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arpfloat-0.1.10/src/arithmetic.rs:632:17
[INFO] [stdout]   24:     0x55ce13066def - <MathInterpreter[4853892aea7e240e]::shared::Number as core[585f66e14d78f9ba]::ops::arith::Div>::div
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shared.rs:516:51
[INFO] [stdout]   25:     0x55ce13060246 - <MathInterpreter[4853892aea7e240e]::shared::BinOpKind>::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shared.rs:290:34
[INFO] [stdout]   26:     0x55ce1304a4c3 - <MathInterpreter[4853892aea7e240e]::equation_evaluator::EvalWalker as MathInterpreter[4853892aea7e240e]::ast_walker::AstWalker<MathInterpreter[4853892aea7e240e]::shared::Number>>::walk_binop
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_evaluator.rs:221:20
[INFO] [stdout]   27:     0x55ce1304c17e - <MathInterpreter[4853892aea7e240e]::equation_evaluator::EvalWalker as MathInterpreter[4853892aea7e240e]::ast_walker::AstWalker<MathInterpreter[4853892aea7e240e]::shared::Number>>::walk
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ast_walker.rs:24:42
[INFO] [stdout]   28:     0x55ce1304a071 - <MathInterpreter[4853892aea7e240e]::equation_evaluator::EvalWalker as MathInterpreter[4853892aea7e240e]::ast_walker::AstWalker<MathInterpreter[4853892aea7e240e]::shared::Number>>::walk_binop
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_evaluator.rs:219:24
[INFO] [stdout]   29:     0x55ce1304c17e - <MathInterpreter[4853892aea7e240e]::equation_evaluator::EvalWalker as MathInterpreter[4853892aea7e240e]::ast_walker::AstWalker<MathInterpreter[4853892aea7e240e]::shared::Number>>::walk
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ast_walker.rs:24:42
[INFO] [stdout]   30:     0x55ce1304aa6a - <MathInterpreter[4853892aea7e240e]::equation_evaluator::EvalWalker as MathInterpreter[4853892aea7e240e]::ast_walker::AstWalker<MathInterpreter[4853892aea7e240e]::shared::Number>>::walk_maybe_func
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_evaluator.rs:258:18
[INFO] [stdout]   31:     0x55ce1304c125 - <MathInterpreter[4853892aea7e240e]::equation_evaluator::EvalWalker as MathInterpreter[4853892aea7e240e]::ast_walker::AstWalker<MathInterpreter[4853892aea7e240e]::shared::Number>>::walk
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ast_walker.rs:22:46
[INFO] [stdout]   32:     0x55ce1304979e - MathInterpreter[4853892aea7e240e]::equation_evaluator::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/equation_evaluator.rs:95:20
[INFO] [stdout]   33:     0x55ce130119cf - <MathInterpreter[4853892aea7e240e]::parser::Parser>::parse
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:146:27
[INFO] [stdout]   34:     0x55ce13049ef1 - MathInterpreter[4853892aea7e240e]::__lib::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/__lib.rs:23:12
[INFO] [stdout]   35:     0x55ce13054c9a - MathInterpreter[4853892aea7e240e]::_lib::eval
[INFO] [stdout]                                at /opt/rustwide/workdir/src/_lib.rs:65:5
[INFO] [stdout]   36:     0x55ce1301821f - MathInterpreter[4853892aea7e240e]::parser::test_functions
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:1351:18
[INFO] [stdout]   37:     0x55ce1300ca57 - MathInterpreter[4853892aea7e240e]::parser::test_functions::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:1342:20
[INFO] [stdout]   38:     0x55ce130319e6 - <MathInterpreter[4853892aea7e240e]::parser::test_functions::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   39:     0x55ce1306754b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x55ce1306754b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   41:     0x55ce13073daa - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   42:     0x55ce13073daa - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   43:     0x55ce13073daa - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   44:     0x55ce13073daa - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   45:     0x55ce13073daa - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   46:     0x55ce13073daa - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   47:     0x55ce13073daa - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   48:     0x55ce1306e274 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   49:     0x55ce1306e274 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   50:     0x55ce130768a2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   51:     0x55ce130768a2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   52:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   53:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   54:     0x55ce130768a2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   55:     0x55ce130768a2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   56:     0x55ce130768a2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   57:     0x55ce1312bd9f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   58:     0x55ce1312bd9f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   59:     0x758ba5d5faa4 - <unknown>
[INFO] [stdout]   60:     0x758ba5deca64 - clone
[INFO] [stdout]   61:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     equation_simplifier::test
[INFO] [stdout]     parser::test_ans
[INFO] [stdout]     parser::test_functions
[INFO] [stdout]     parser::test_simple_ops
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin MathInterpreter`
[INFO] running `Command { std: "docker" "inspect" "69ec8b2b3de6f093b8a816d5eebac8943de26ded5fa46a8c2faa36f45ac5f67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ec8b2b3de6f093b8a816d5eebac8943de26ded5fa46a8c2faa36f45ac5f67d", kill_on_drop: false }`
[INFO] [stdout] 69ec8b2b3de6f093b8a816d5eebac8943de26ded5fa46a8c2faa36f45ac5f67d
