[INFO] cloning repository https://github.com/JustBobinAround/lisa_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JustBobinAround/lisa_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustBobinAround%2Flisa_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustBobinAround%2Flisa_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5402377a1d133ad74370ab42d46655b6e619937
[INFO] checking JustBobinAround/lisa_lang/f5402377a1d133ad74370ab42d46655b6e619937 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustBobinAround%2Flisa_lang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JustBobinAround/lisa_lang on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JustBobinAround/lisa_lang
[INFO] finished tweaking git repo https://github.com/JustBobinAround/lisa_lang
[INFO] tweaked toml for git repo https://github.com/JustBobinAround/lisa_lang written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JustBobinAround/lisa_lang 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fd9ba06fd24759c5e4eec5b5b3b3c1ff37c7dc25badc4671de1b1cc752c6a5d
[INFO] running `Command { std: "docker" "start" "-a" "2fd9ba06fd24759c5e4eec5b5b3b3c1ff37c7dc25badc4671de1b1cc752c6a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fd9ba06fd24759c5e4eec5b5b3b3c1ff37c7dc25badc4671de1b1cc752c6a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd9ba06fd24759c5e4eec5b5b3b3c1ff37c7dc25badc4671de1b1cc752c6a5d", kill_on_drop: false }`
[INFO] [stdout] 2fd9ba06fd24759c5e4eec5b5b3b3c1ff37c7dc25badc4671de1b1cc752c6a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 652b1982358b4056e1baa2f972efa3cfbe47f1826d5be53146e341f3238ffaea
[INFO] running `Command { std: "docker" "start" "-a" "652b1982358b4056e1baa2f972efa3cfbe47f1826d5be53146e341f3238ffaea", kill_on_drop: false }`
[INFO] [stderr]     Checking lisa_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::type_def::Type`
[INFO] [stdout]  --> src/lexer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::type_def::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::type_def::Type`
[INFO] [stdout]  --> src/lexer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::type_def::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/parser.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expr` and `type_def`
[INFO] [stdout]  --> src/parser.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{expr, type_def};
[INFO] [stdout]   |             ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]  --> src/engine.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::lexer::{Lexer, Operator};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `engine::Interpreter`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use engine::Interpreter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/parser.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expr` and `type_def`
[INFO] [stdout]  --> src/parser.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{expr, type_def};
[INFO] [stdout]   |             ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]  --> src/engine.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::lexer::{Lexer, Operator};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `engine::Interpreter`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use engine::Interpreter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prior_expr` is assigned to, but never used
[INFO] [stdout]   --> src/parser.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut prior_expr = None;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_prior_expr` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prior_expr` is never read
[INFO] [stdout]   --> src/parser.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             prior_expr = Some(expr);
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prior_expr` is assigned to, but never used
[INFO] [stdout]   --> src/parser.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut prior_expr = None;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_prior_expr` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prior_expr` is never read
[INFO] [stdout]   --> src/parser.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             prior_expr = Some(expr);
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/expr.rs:101:22
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 for (key, expr) in pairs {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/expr.rs:101:22
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 for (key, expr) in pairs {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/expr.rs:114:36
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Expr::BinaryOp { left, op, right } => {
[INFO] [stdout]     |                                    ^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param`
[INFO] [stdout]    --> src/expr.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 param,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `param: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param`
[INFO] [stdout]    --> src/expr.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 let param = context.type_check(env)?;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_def`
[INFO] [stdout]    --> src/expr.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 |             Expr::Assign { context, param, type_def } => {
[INFO] [stdout]     |                                            ^^^^^^^^ help: try ignoring the field: `type_def: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_def`
[INFO] [stdout]    --> src/expr.rs:202:44
[INFO] [stdout]     |
[INFO] [stdout] 202 |             Expr::PassTo { context, param, type_def } => {
[INFO] [stdout]     |                                            ^^^^^^^^ help: try ignoring the field: `type_def: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/expr.rs:114:36
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Expr::BinaryOp { left, op, right } => {
[INFO] [stdout]     |                                    ^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param`
[INFO] [stdout]    --> src/expr.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 param,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `param: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param`
[INFO] [stdout]    --> src/expr.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 let param = context.type_check(env)?;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_def`
[INFO] [stdout]    --> src/expr.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 |             Expr::Assign { context, param, type_def } => {
[INFO] [stdout]     |                                            ^^^^^^^^ help: try ignoring the field: `type_def: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_def`
[INFO] [stdout]    --> src/expr.rs:202:44
[INFO] [stdout]     |
[INFO] [stdout] 202 |             Expr::PassTo { context, param, type_def } => {
[INFO] [stdout]     |                                            ^^^^^^^^ help: try ignoring the field: `type_def: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/expr.rs:277:46
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn is_bad_primative(left: Arc<Expr>, op: Arc<Operator>, right: Arc<Expr>) -> Result<Expr, ParseError> {
[INFO] [stdout]     |                                              ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/expr.rs:277:46
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn is_bad_primative(left: Arc<Expr>, op: Arc<Operator>, right: Arc<Expr>) -> Result<Expr, ParseError> {
[INFO] [stdout]     |                                              ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_type`
[INFO] [stdout]   --> src/type_def.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Type::Function { param_type, return_type } => {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: try ignoring the field: `param_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_type`
[INFO] [stdout]   --> src/type_def.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Type::Function { param_type, return_type } => {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: try ignoring the field: `param_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_sig`
[INFO] [stdout]   --> src/engine.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Expr::Function { param_sig, return_sig, block } => {
[INFO] [stdout]    |                              ^^^^^^^^^ help: try ignoring the field: `param_sig: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_sig`
[INFO] [stdout]   --> src/engine.rs:70:41
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Expr::Function { param_sig, return_sig, block } => {
[INFO] [stdout]    |                                         ^^^^^^^^^^ help: try ignoring the field: `return_sig: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/engine.rs:70:53
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Expr::Function { param_sig, return_sig, block } => {
[INFO] [stdout]    |                                                     ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_sig`
[INFO] [stdout]   --> src/engine.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Expr::Function { param_sig, return_sig, block } => {
[INFO] [stdout]    |                              ^^^^^^^^^ help: try ignoring the field: `param_sig: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_sig`
[INFO] [stdout]   --> src/engine.rs:70:41
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Expr::Function { param_sig, return_sig, block } => {
[INFO] [stdout]    |                                         ^^^^^^^^^^ help: try ignoring the field: `return_sig: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/engine.rs:70:53
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Expr::Function { param_sig, return_sig, block } => {
[INFO] [stdout]    |                                                     ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let input = r#"
[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/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let input = r#"
[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/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let input = r#"
[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/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let input = r#"
[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/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let input = r#"
[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/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let input = r#"
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Array` is never constructed
[INFO] [stdout]   --> src/expr.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Expr {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Array(Vec<Arc<Expr>>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/expr.rs:585:21
[INFO] [stdout]     |
[INFO] [stdout] 585 |     UnexpectedToken(Token, String),
[INFO] [stdout]     |     --------------- ^^^^^  ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 585 |     UnexpectedToken((), ()),
[INFO] [stdout]     |                     ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/expr.rs:586:14
[INFO] [stdout]     |
[INFO] [stdout] 586 |     BadToken(Token, String),
[INFO] [stdout]     |     -------- ^^^^^  ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 586 |     BadToken((), ()),
[INFO] [stdout]     |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/expr.rs:587:16
[INFO] [stdout]     |
[INFO] [stdout] 587 |     BadExpress(String),
[INFO] [stdout]     |     ---------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 587 |     BadExpress(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedEOF` is never constructed
[INFO] [stdout]    --> src/expr.rs:588:5
[INFO] [stdout]     |
[INFO] [stdout] 584 | pub enum ParseError {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 588 |     UnexpectedEOF,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Generic` is never constructed
[INFO] [stdout]  --> src/type_def.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Type {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Generic,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` 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: struct `Interpreter` is never constructed
[INFO] [stdout]   --> src/engine.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Interpreter {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Interpreter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/engine.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` 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: associated items `new`, `interpret`, `evaluate`, `evaluate_unary_op`, `evaluate_binary_op`, and `is_true` are never used
[INFO] [stdout]    --> src/engine.rs:30:12
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl Interpreter {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 30  |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38  |     pub fn interpret(&mut self, parser: &mut Parser) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44  |     fn evaluate(&mut self, expr: &Expr) -> Result<Value, String> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93  |     fn evaluate_unary_op(&self, op: &Operator, value: Value) -> Result<Value, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn evaluate_binary_op(&self, op: &Operator, left: Value, right: Value) -> Result<Value, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn is_true(&self, value: &Value) -> Result<bool, String> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Array` is never constructed
[INFO] [stdout]   --> src/expr.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Expr {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Array(Vec<Arc<Expr>>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/expr.rs:585:21
[INFO] [stdout]     |
[INFO] [stdout] 585 |     UnexpectedToken(Token, String),
[INFO] [stdout]     |     --------------- ^^^^^  ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 585 |     UnexpectedToken((), ()),
[INFO] [stdout]     |                     ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/expr.rs:586:14
[INFO] [stdout]     |
[INFO] [stdout] 586 |     BadToken(Token, String),
[INFO] [stdout]     |     -------- ^^^^^  ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 586 |     BadToken((), ()),
[INFO] [stdout]     |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/expr.rs:587:16
[INFO] [stdout]     |
[INFO] [stdout] 587 |     BadExpress(String),
[INFO] [stdout]     |     ---------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 587 |     BadExpress(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedEOF` is never constructed
[INFO] [stdout]    --> src/expr.rs:588:5
[INFO] [stdout]     |
[INFO] [stdout] 584 | pub enum ParseError {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 588 |     UnexpectedEOF,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Generic` is never constructed
[INFO] [stdout]  --> src/type_def.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Type {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Generic,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` 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: struct `Interpreter` is never constructed
[INFO] [stdout]   --> src/engine.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Interpreter {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Interpreter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/engine.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` 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: associated items `new`, `interpret`, `evaluate`, `evaluate_unary_op`, `evaluate_binary_op`, and `is_true` are never used
[INFO] [stdout]    --> src/engine.rs:30:12
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl Interpreter {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 30  |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38  |     pub fn interpret(&mut self, parser: &mut Parser) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44  |     fn evaluate(&mut self, expr: &Expr) -> Result<Value, String> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93  |     fn evaluate_unary_op(&self, op: &Operator, value: Value) -> Result<Value, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn evaluate_binary_op(&self, op: &Operator, left: Value, right: Value) -> Result<Value, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn is_true(&self, value: &Value) -> Result<bool, String> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "652b1982358b4056e1baa2f972efa3cfbe47f1826d5be53146e341f3238ffaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652b1982358b4056e1baa2f972efa3cfbe47f1826d5be53146e341f3238ffaea", kill_on_drop: false }`
[INFO] [stdout] 652b1982358b4056e1baa2f972efa3cfbe47f1826d5be53146e341f3238ffaea