[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] 96987527875efdce60bba0ab311c6983bae6ff4a
[INFO] testing terrarier2111/MathInterpreter against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterrarier2111%2FMathInterpreter" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/terrarier2111/MathInterpreter on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-26/source/Cargo.toml
[INFO] crate git repo https://github.com/terrarier2111/MathInterpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0d126291a08b2a514045bf63066a59fe6877bec7154d15cfbfc46ce839f1561
[INFO] running `Command { std: "docker" "start" "-a" "c0d126291a08b2a514045bf63066a59fe6877bec7154d15cfbfc46ce839f1561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0d126291a08b2a514045bf63066a59fe6877bec7154d15cfbfc46ce839f1561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d126291a08b2a514045bf63066a59fe6877bec7154d15cfbfc46ce839f1561", kill_on_drop: false }`
[INFO] [stdout] c0d126291a08b2a514045bf63066a59fe6877bec7154d15cfbfc46ce839f1561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 444182615bf0c7782e7d70dae5b601bc3b10613b987189557626a6588a6f8547
[INFO] running `Command { std: "docker" "start" "-a" "444182615bf0c7782e7d70dae5b601bc3b10613b987189557626a6588a6f8547", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling rust_decimal v1.22.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rust_decimal_macros v1.22.0
[INFO] [stderr]    Compiling MathInterpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ANSMode`, `Config`, `DiagnosticsConfig`, `Mode`, `_lib`
[INFO] [stdout]  --> src/equation_simplifier.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{_lib, parser, shared, ANSMode, Config, DiagnosticsConfig, Mode};
[INFO] [stdout]   |             ^^^^                  ^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Config`, `DiagnosticsConfig`, `_lib`
[INFO] [stdout]   --> src/parser.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     register_const, ANSMode, Config, DiagnosticsConfig, _lib,
[INFO] [stdout]    |                              ^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^
[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]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `diagnostics`
[INFO] [stdout]   --> src/_lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     diagnostics: DiagnosticsConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `color`
[INFO] [stdout]   --> src/_lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     color: bool,                              // FIXME: Currently unsupported
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `printing_order`
[INFO] [stdout]   --> src/_lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     printing_order: DiagnosticsPrintingOrder, // FIXME: Currently unsupported
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Before`
[INFO] [stdout]   --> src/_lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Before,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Simplify`
[INFO] [stdout]   --> src/_lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Simplify,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Mode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/_lib.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Copy, Clone)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Solve`
[INFO] [stdout]   --> src/_lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Solve,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Mode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/_lib.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Copy, Clone)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Never`
[INFO] [stdout]   --> src/_lib.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Never,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ANSMode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/_lib.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Copy, Clone, Eq, PartialEq)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Always`
[INFO] [stdout]   --> src/_lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Always,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ANSMode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/_lib.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Copy, Clone, Eq, PartialEq)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_lin_1_arg`
[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 function is never used: `shrink_lo`
[INFO] [stdout]   --> src/error.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn shrink_lo(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shrink_hi`
[INFO] [stdout]   --> src/error.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn shrink_hi(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expand_lo`
[INFO] [stdout]   --> src/error.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn expand_lo(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]    --> src/error.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn error(&mut self, error: String) -> &mut Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `warn`
[INFO] [stdout]    --> src/error.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn warn(&mut self, warning: String) -> &mut Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `note`
[INFO] [stdout]    --> src/error.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn note(&mut self, note: String) -> &mut Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `suggest_spanned`
[INFO] [stdout]    --> src/error.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn suggest_spanned(&mut self, suggestion: String, span: Span) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build_multi_span_string`
[INFO] [stdout]    --> src/error.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn build_multi_span_string(len: usize, spans: &Vec<Span>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Suggestion`
[INFO] [stdout]    --> src/error.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Suggestion(String, Span),
[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]    --> src/error.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Note`
[INFO] [stdout]    --> src/error.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     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]    --> src/error.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_input`
[INFO] [stdout]    --> src/parser.rs:525:12
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn get_input(&self) -> &String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineRecFunc`
[INFO] [stdout]    --> src/parser.rs:790:5
[INFO] [stdout]     |
[INFO] [stdout] 790 |     DefineRecFunc(String, Vec<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]    --> src/parser.rs:786:10
[INFO] [stdout]     |
[INFO] [stdout] 786 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]    --> src/parser.rs:795:12
[INFO] [stdout]     |
[INFO] [stdout] 795 |     pub fn kind(&self) -> ActionKind {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineVar`
[INFO] [stdout]    --> src/parser.rs:807:5
[INFO] [stdout]     |
[INFO] [stdout] 807 |     DefineVar,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/parser.rs:805:10
[INFO] [stdout]     |
[INFO] [stdout] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineFunc`
[INFO] [stdout]    --> src/parser.rs:808:5
[INFO] [stdout]     |
[INFO] [stdout] 808 |     DefineFunc,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/parser.rs:805:10
[INFO] [stdout]     |
[INFO] [stdout] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineRecFunc`
[INFO] [stdout]    --> src/parser.rs:809:5
[INFO] [stdout]     |
[INFO] [stdout] 809 |     DefineRecFunc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/parser.rs:805:10
[INFO] [stdout]     |
[INFO] [stdout] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eval`
[INFO] [stdout]    --> src/parser.rs:810:5
[INFO] [stdout]     |
[INFO] [stdout] 810 |     Eval,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/parser.rs:805:10
[INFO] [stdout]     |
[INFO] [stdout] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tokens_to_string_ranged`
[INFO] [stdout]     --> src/parser.rs:1025:12
[INFO] [stdout]      |
[INFO] [stdout] 1025 |         fn tokens_to_string_ranged(tokens: &Vec<Token>, start: usize, end: usize) -> String {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner_span`
[INFO] [stdout]     --> src/parser.rs:1137:5
[INFO] [stdout]      |
[INFO] [stdout] 1137 |     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]     --> src/parser.rs:1133:10
[INFO] [stdout]      |
[INFO] [stdout] 1133 | #[derive(Debug)]
[INFO] [stdout]      |          ^^^^^
[INFO] [stdout]      = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `replace_in_tokens`
[INFO] [stdout]     --> src/parser.rs:1151:19
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     pub(crate) fn replace_in_tokens(self, tokens: &mut Vec<Token>) {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_token`
[INFO] [stdout]     --> src/parser.rs:1159:19
[INFO] [stdout]      |
[INFO] [stdout] 1159 |     pub(crate) fn to_token(self, tokens: Vec<Token>) -> Token {
[INFO] [stdout]      |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_inner_tokens`
[INFO] [stdout]     --> src/parser.rs:1163:19
[INFO] [stdout]      |
[INFO] [stdout] 1163 |     pub(crate) fn to_inner_tokens(self, tokens: &Vec<Token>) -> Vec<Token> {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_braces`
[INFO] [stdout]     --> src/parser.rs:1171:19
[INFO] [stdout]      |
[INFO] [stdout] 1171 |     pub(crate) fn pop_braces(&mut self, tokens: &mut Vec<Token>) {
[INFO] [stdout]      |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]     --> src/parser.rs:1262:19
[INFO] [stdout]      |
[INFO] [stdout] 1262 |     pub(crate) fn len(&self) -> usize {
[INFO] [stdout]      |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_ok`
[INFO] [stdout]     --> src/parser.rs:1306:19
[INFO] [stdout]      |
[INFO] [stdout] 1306 |     pub(crate) fn new_ok(val: T) -> ParseResult<T> {
[INFO] [stdout]      |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `diagnostics`
[INFO] [stdout]     --> src/parser.rs:1310:12
[INFO] [stdout]      |
[INFO] [stdout] 1310 |     pub fn diagnostics(&self) -> Option<&DiagnosticBuilder> {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unwrap`
[INFO] [stdout]     --> src/parser.rs:1318:19
[INFO] [stdout]      |
[INFO] [stdout] 1318 |     pub(crate) fn unwrap(self) -> (T, Option<DiagnosticBuilder>) {
[INFO] [stdout]      |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_wrapped`
[INFO] [stdout]     --> src/parser.rs:1324:8
[INFO] [stdout]      |
[INFO] [stdout] 1324 |     fn to_wrapped(self) -> Result<ParseResult<T>, ParseResult<T>> {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]    --> src/shared.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]    --> src/shared.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     Left,
[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]    --> src/shared.rs:248:10
[INFO] [stdout]     |
[INFO] [stdout] 248 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]    --> src/shared.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     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]    --> src/shared.rs:248:10
[INFO] [stdout]     |
[INFO] [stdout] 248 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_mut`
[INFO] [stdout]    --> src/shared.rs:330:12
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn next_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_token`
[INFO] [stdout]    --> src/shared.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 336 |     pub fn pop_token(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_back`
[INFO] [stdout]    --> src/shared.rs:345:12
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn look_back(&self) -> Option<&Token> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_back_by`
[INFO] [stdout]    --> src/shared.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub fn look_back_by(&self, by: usize) -> Option<&Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_back_mut`
[INFO] [stdout]    --> src/shared.rs:363:12
[INFO] [stdout]     |
[INFO] [stdout] 363 |     pub fn look_back_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_back_by_mut`
[INFO] [stdout]    --> src/shared.rs:367:12
[INFO] [stdout]     |
[INFO] [stdout] 367 |     pub fn look_back_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_ahead_mut`
[INFO] [stdout]    --> src/shared.rs:372:12
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub fn look_ahead_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_ahead_by_mut`
[INFO] [stdout]    --> src/shared.rs:376:12
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn look_ahead_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MathInterpreter` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `math_interpreter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `Command { std: "docker" "inspect" "444182615bf0c7782e7d70dae5b601bc3b10613b987189557626a6588a6f8547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444182615bf0c7782e7d70dae5b601bc3b10613b987189557626a6588a6f8547", kill_on_drop: false }`
[INFO] [stdout] 444182615bf0c7782e7d70dae5b601bc3b10613b987189557626a6588a6f8547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c4b26352df0b5f983409ce3d7cad377ec52d256f4908f224ca88ca1f557cbcb
[INFO] running `Command { std: "docker" "start" "-a" "7c4b26352df0b5f983409ce3d7cad377ec52d256f4908f224ca88ca1f557cbcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling MathInterpreter v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `diagnostics`
[INFO] [stdout]   --> src/_lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     diagnostics: DiagnosticsConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `color`
[INFO] [stdout]   --> src/_lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     color: bool,                              // FIXME: Currently unsupported
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `printing_order`
[INFO] [stdout]   --> src/_lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     printing_order: DiagnosticsPrintingOrder, // FIXME: Currently unsupported
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Before`
[INFO] [stdout]   --> src/_lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Before,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Solve`
[INFO] [stdout]   --> src/_lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Solve,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Mode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/_lib.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Copy, Clone)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Always`
[INFO] [stdout]   --> src/_lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Always,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ANSMode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/_lib.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Copy, Clone, Eq, PartialEq)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_lin_1_arg`
[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 function is never used: `shrink_lo`
[INFO] [stdout]   --> src/error.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn shrink_lo(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shrink_hi`
[INFO] [stdout]   --> src/error.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn shrink_hi(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expand_lo`
[INFO] [stdout]   --> src/error.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn expand_lo(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]    --> src/error.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn error(&mut self, error: String) -> &mut Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `warn`
[INFO] [stdout]    --> src/error.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn warn(&mut self, warning: String) -> &mut Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `note`
[INFO] [stdout]    --> src/error.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn note(&mut self, note: String) -> &mut Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `suggest_spanned`
[INFO] [stdout]    --> src/error.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn suggest_spanned(&mut self, suggestion: String, span: Span) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build_multi_span_string`
[INFO] [stdout]    --> src/error.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn build_multi_span_string(len: usize, spans: &Vec<Span>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Suggestion`
[INFO] [stdout]    --> src/error.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Suggestion(String, Span),
[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]    --> src/error.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Note`
[INFO] [stdout]    --> src/error.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     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]    --> src/error.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineRecFunc`
[INFO] [stdout]    --> src/parser.rs:790:5
[INFO] [stdout]     |
[INFO] [stdout] 790 |     DefineRecFunc(String, Vec<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]    --> src/parser.rs:786:10
[INFO] [stdout]     |
[INFO] [stdout] 786 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]    --> src/parser.rs:795:12
[INFO] [stdout]     |
[INFO] [stdout] 795 |     pub fn kind(&self) -> ActionKind {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineVar`
[INFO] [stdout]    --> src/parser.rs:807:5
[INFO] [stdout]     |
[INFO] [stdout] 807 |     DefineVar,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/parser.rs:805:10
[INFO] [stdout]     |
[INFO] [stdout] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineFunc`
[INFO] [stdout]    --> src/parser.rs:808:5
[INFO] [stdout]     |
[INFO] [stdout] 808 |     DefineFunc,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/parser.rs:805:10
[INFO] [stdout]     |
[INFO] [stdout] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineRecFunc`
[INFO] [stdout]    --> src/parser.rs:809:5
[INFO] [stdout]     |
[INFO] [stdout] 809 |     DefineRecFunc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/parser.rs:805:10
[INFO] [stdout]     |
[INFO] [stdout] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eval`
[INFO] [stdout]    --> src/parser.rs:810:5
[INFO] [stdout]     |
[INFO] [stdout] 810 |     Eval,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/parser.rs:805:10
[INFO] [stdout]     |
[INFO] [stdout] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tokens_to_string_ranged`
[INFO] [stdout]     --> src/parser.rs:1025:12
[INFO] [stdout]      |
[INFO] [stdout] 1025 |         fn tokens_to_string_ranged(tokens: &Vec<Token>, start: usize, end: usize) -> String {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner_span`
[INFO] [stdout]     --> src/parser.rs:1137:5
[INFO] [stdout]      |
[INFO] [stdout] 1137 |     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]     --> src/parser.rs:1133:10
[INFO] [stdout]      |
[INFO] [stdout] 1133 | #[derive(Debug)]
[INFO] [stdout]      |          ^^^^^
[INFO] [stdout]      = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `replace_in_tokens`
[INFO] [stdout]     --> src/parser.rs:1151:19
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     pub(crate) fn replace_in_tokens(self, tokens: &mut Vec<Token>) {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_token`
[INFO] [stdout]     --> src/parser.rs:1159:19
[INFO] [stdout]      |
[INFO] [stdout] 1159 |     pub(crate) fn to_token(self, tokens: Vec<Token>) -> Token {
[INFO] [stdout]      |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_inner_tokens`
[INFO] [stdout]     --> src/parser.rs:1163:19
[INFO] [stdout]      |
[INFO] [stdout] 1163 |     pub(crate) fn to_inner_tokens(self, tokens: &Vec<Token>) -> Vec<Token> {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_braces`
[INFO] [stdout]     --> src/parser.rs:1171:19
[INFO] [stdout]      |
[INFO] [stdout] 1171 |     pub(crate) fn pop_braces(&mut self, tokens: &mut Vec<Token>) {
[INFO] [stdout]      |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]     --> src/parser.rs:1262:19
[INFO] [stdout]      |
[INFO] [stdout] 1262 |     pub(crate) fn len(&self) -> usize {
[INFO] [stdout]      |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_ok`
[INFO] [stdout]     --> src/parser.rs:1306:19
[INFO] [stdout]      |
[INFO] [stdout] 1306 |     pub(crate) fn new_ok(val: T) -> ParseResult<T> {
[INFO] [stdout]      |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `diagnostics`
[INFO] [stdout]     --> src/parser.rs:1310:12
[INFO] [stdout]      |
[INFO] [stdout] 1310 |     pub fn diagnostics(&self) -> Option<&DiagnosticBuilder> {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_wrapped`
[INFO] [stdout]     --> src/parser.rs:1324:8
[INFO] [stdout]      |
[INFO] [stdout] 1324 |     fn to_wrapped(self) -> Result<ParseResult<T>, ParseResult<T>> {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]    --> src/shared.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]    --> src/shared.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     Left,
[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]    --> src/shared.rs:248:10
[INFO] [stdout]     |
[INFO] [stdout] 248 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]    --> src/shared.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     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]    --> src/shared.rs:248:10
[INFO] [stdout]     |
[INFO] [stdout] 248 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_mut`
[INFO] [stdout]    --> src/shared.rs:330:12
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn next_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_token`
[INFO] [stdout]    --> src/shared.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 336 |     pub fn pop_token(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_back`
[INFO] [stdout]    --> src/shared.rs:345:12
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn look_back(&self) -> Option<&Token> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_back_by`
[INFO] [stdout]    --> src/shared.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub fn look_back_by(&self, by: usize) -> Option<&Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_back_mut`
[INFO] [stdout]    --> src/shared.rs:363:12
[INFO] [stdout]     |
[INFO] [stdout] 363 |     pub fn look_back_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_back_by_mut`
[INFO] [stdout]    --> src/shared.rs:367:12
[INFO] [stdout]     |
[INFO] [stdout] 367 |     pub fn look_back_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_ahead_mut`
[INFO] [stdout]    --> src/shared.rs:372:12
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub fn look_ahead_mut(&mut self) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `look_ahead_by_mut`
[INFO] [stdout]    --> src/shared.rs:376:12
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn look_ahead_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MathInterpreter` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `math_interpreter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/MathInterpreter-092947080e6e0a84)
[INFO] running `Command { std: "docker" "inspect" "7c4b26352df0b5f983409ce3d7cad377ec52d256f4908f224ca88ca1f557cbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4b26352df0b5f983409ce3d7cad377ec52d256f4908f224ca88ca1f557cbcb", kill_on_drop: false }`
[INFO] [stdout] 7c4b26352df0b5f983409ce3d7cad377ec52d256f4908f224ca88ca1f557cbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 379877ed39b0c3fb00ec7943f06325e2e89c5e7c29c43fdaef7abdf5ecebfc29
[INFO] running `Command { std: "docker" "start" "-a" "379877ed39b0c3fb00ec7943f06325e2e89c5e7c29c43fdaef7abdf5ecebfc29", kill_on_drop: false }`
[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]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `diagnostics`
[INFO] [stderr]   --> src/_lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     diagnostics: DiagnosticsConfig,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `color`
[INFO] [stderr]   --> src/_lib.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     color: bool,                              // FIXME: Currently unsupported
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `printing_order`
[INFO] [stderr]   --> src/_lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     printing_order: DiagnosticsPrintingOrder, // FIXME: Currently unsupported
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Before`
[INFO] [stderr]   --> src/_lib.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Before,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Solve`
[INFO] [stderr]   --> src/_lib.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     Solve,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Mode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/_lib.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Copy, Clone)]
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Always`
[INFO] [stderr]   --> src/_lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     Always,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ANSMode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/_lib.rs:50:16
[INFO] [stderr]    |
[INFO] [stderr] 50 | #[derive(Copy, Clone, Eq, PartialEq)]
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_lin_1_arg`
[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 function is never used: `shrink_lo`
[INFO] [stderr]   --> src/error.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn shrink_lo(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `shrink_hi`
[INFO] [stderr]   --> src/error.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn shrink_hi(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expand_lo`
[INFO] [stderr]   --> src/error.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn expand_lo(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `error`
[INFO] [stderr]    --> src/error.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn error(&mut self, error: String) -> &mut Self {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `warn`
[INFO] [stderr]    --> src/error.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn warn(&mut self, warning: String) -> &mut Self {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `note`
[INFO] [stderr]    --> src/error.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn note(&mut self, note: String) -> &mut Self {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `suggest_spanned`
[INFO] [stderr]    --> src/error.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn suggest_spanned(&mut self, suggestion: String, span: Span) -> &mut Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build_multi_span_string`
[INFO] [stderr]    --> src/error.rs:139:8
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn build_multi_span_string(len: usize, spans: &Vec<Span>) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Suggestion`
[INFO] [stderr]    --> src/error.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     Suggestion(String, Span),
[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]    --> src/error.rs:160:10
[INFO] [stderr]     |
[INFO] [stderr] 160 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Note`
[INFO] [stderr]    --> src/error.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     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]    --> src/error.rs:160:10
[INFO] [stderr]     |
[INFO] [stderr] 160 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DefineRecFunc`
[INFO] [stderr]    --> src/parser.rs:790:5
[INFO] [stderr]     |
[INFO] [stderr] 790 |     DefineRecFunc(String, Vec<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]    --> src/parser.rs:786:10
[INFO] [stderr]     |
[INFO] [stderr] 786 | #[derive(Debug, Clone)]
[INFO] [stderr]     |          ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `kind`
[INFO] [stderr]    --> src/parser.rs:795:12
[INFO] [stderr]     |
[INFO] [stderr] 795 |     pub fn kind(&self) -> ActionKind {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DefineVar`
[INFO] [stderr]    --> src/parser.rs:807:5
[INFO] [stderr]     |
[INFO] [stderr] 807 |     DefineVar,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/parser.rs:805:10
[INFO] [stderr]     |
[INFO] [stderr] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stderr]     |          ^^^^^        ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DefineFunc`
[INFO] [stderr]    --> src/parser.rs:808:5
[INFO] [stderr]     |
[INFO] [stderr] 808 |     DefineFunc,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/parser.rs:805:10
[INFO] [stderr]     |
[INFO] [stderr] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stderr]     |          ^^^^^        ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DefineRecFunc`
[INFO] [stderr]    --> src/parser.rs:809:5
[INFO] [stderr]     |
[INFO] [stderr] 809 |     DefineRecFunc,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/parser.rs:805:10
[INFO] [stderr]     |
[INFO] [stderr] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stderr]     |          ^^^^^        ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eval`
[INFO] [stderr]    --> src/parser.rs:810:5
[INFO] [stderr]     |
[INFO] [stderr] 810 |     Eval,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `ActionKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/parser.rs:805:10
[INFO] [stderr]     |
[INFO] [stderr] 805 | #[derive(Debug, Copy, Clone)]
[INFO] [stderr]     |          ^^^^^        ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tokens_to_string_ranged`
[INFO] [stderr]     --> src/parser.rs:1025:12
[INFO] [stderr]      |
[INFO] [stderr] 1025 |         fn tokens_to_string_ranged(tokens: &Vec<Token>, start: usize, end: usize) -> String {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `inner_span`
[INFO] [stderr]     --> src/parser.rs:1137:5
[INFO] [stderr]      |
[INFO] [stderr] 1137 |     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]     --> src/parser.rs:1133:10
[INFO] [stderr]      |
[INFO] [stderr] 1133 | #[derive(Debug)]
[INFO] [stderr]      |          ^^^^^
[INFO] [stderr]      = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `replace_in_tokens`
[INFO] [stderr]     --> src/parser.rs:1151:19
[INFO] [stderr]      |
[INFO] [stderr] 1151 |     pub(crate) fn replace_in_tokens(self, tokens: &mut Vec<Token>) {
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_token`
[INFO] [stderr]     --> src/parser.rs:1159:19
[INFO] [stderr]      |
[INFO] [stderr] 1159 |     pub(crate) fn to_token(self, tokens: Vec<Token>) -> Token {
[INFO] [stderr]      |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_inner_tokens`
[INFO] [stderr]     --> src/parser.rs:1163:19
[INFO] [stderr]      |
[INFO] [stderr] 1163 |     pub(crate) fn to_inner_tokens(self, tokens: &Vec<Token>) -> Vec<Token> {
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop_braces`
[INFO] [stderr]     --> src/parser.rs:1171:19
[INFO] [stderr]      |
[INFO] [stderr] 1171 |     pub(crate) fn pop_braces(&mut self, tokens: &mut Vec<Token>) {
[INFO] [stderr]      |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]     --> src/parser.rs:1262:19
[INFO] [stderr]      |
[INFO] [stderr] 1262 |     pub(crate) fn len(&self) -> usize {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_ok`
[INFO] [stderr]     --> src/parser.rs:1306:19
[INFO] [stderr]      |
[INFO] [stderr] 1306 |     pub(crate) fn new_ok(val: T) -> ParseResult<T> {
[INFO] [stderr]      |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `diagnostics`
[INFO] [stderr]     --> src/parser.rs:1310:12
[INFO] [stderr]      |
[INFO] [stderr] 1310 |     pub fn diagnostics(&self) -> Option<&DiagnosticBuilder> {
[INFO] [stderr]      |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_wrapped`
[INFO] [stderr]     --> src/parser.rs:1324:8
[INFO] [stderr]      |
[INFO] [stderr] 1324 |     fn to_wrapped(self) -> Result<ParseResult<T>, ParseResult<T>> {
[INFO] [stderr]      |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_string`
[INFO] [stderr]    --> src/shared.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]    --> src/shared.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     Left,
[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]    --> src/shared.rs:248:10
[INFO] [stderr]     |
[INFO] [stderr] 248 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stderr]     |          ^^^^^        ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]    --> src/shared.rs:252:5
[INFO] [stderr]     |
[INFO] [stderr] 252 |     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]    --> src/shared.rs:248:10
[INFO] [stderr]     |
[INFO] [stderr] 248 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stderr]     |          ^^^^^        ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next_mut`
[INFO] [stderr]    --> src/shared.rs:330:12
[INFO] [stderr]     |
[INFO] [stderr] 330 |     pub fn next_mut(&mut self) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop_token`
[INFO] [stderr]    --> src/shared.rs:336:12
[INFO] [stderr]     |
[INFO] [stderr] 336 |     pub fn pop_token(&mut self) -> Token {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `look_back`
[INFO] [stderr]    --> src/shared.rs:345:12
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn look_back(&self) -> Option<&Token> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `look_back_by`
[INFO] [stderr]    --> src/shared.rs:349:12
[INFO] [stderr]     |
[INFO] [stderr] 349 |     pub fn look_back_by(&self, by: usize) -> Option<&Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `look_back_mut`
[INFO] [stderr]    --> src/shared.rs:363:12
[INFO] [stderr]     |
[INFO] [stderr] 363 |     pub fn look_back_mut(&mut self) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `look_back_by_mut`
[INFO] [stderr]    --> src/shared.rs:367:12
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub fn look_back_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `look_ahead_mut`
[INFO] [stderr]    --> src/shared.rs:372:12
[INFO] [stderr]     |
[INFO] [stderr] 372 |     pub fn look_ahead_mut(&mut self) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `look_ahead_by_mut`
[INFO] [stderr]    --> src/shared.rs:376:12
[INFO] [stderr]     |
[INFO] [stderr] 376 |     pub fn look_ahead_by_mut(&mut self, by: usize) -> Option<&mut Token> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MathInterpreter` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `math_interpreter`
[INFO] [stderr] 
[INFO] [stderr] warning: `MathInterpreter` (bin "MathInterpreter" test) generated 46 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/MathInterpreter-092947080e6e0a84)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::test ... ok
[INFO] [stdout] test equation_simplifier::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "379877ed39b0c3fb00ec7943f06325e2e89c5e7c29c43fdaef7abdf5ecebfc29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379877ed39b0c3fb00ec7943f06325e2e89c5e7c29c43fdaef7abdf5ecebfc29", kill_on_drop: false }`
[INFO] [stdout] 379877ed39b0c3fb00ec7943f06325e2e89c5e7c29c43fdaef7abdf5ecebfc29