[INFO] cloning repository https://github.com/islandryu/Ankara
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/islandryu/Ankara" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislandryu%2FAnkara", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislandryu%2FAnkara'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a06a68fe5945a4d4a6331a431f8ad131697a3a3
[INFO] testing islandryu/Ankara against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislandryu%2FAnkara" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/islandryu/Ankara
[INFO] finished tweaking git repo https://github.com/islandryu/Ankara
[INFO] tweaked toml for git repo https://github.com/islandryu/Ankara written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/islandryu/Ankara on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/islandryu/Ankara 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b72655a6d1b8f8ab94bac15c2411d630041fc3448ed30dc9e4789116ad78533
[INFO] running `Command { std: "docker" "start" "-a" "1b72655a6d1b8f8ab94bac15c2411d630041fc3448ed30dc9e4789116ad78533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b72655a6d1b8f8ab94bac15c2411d630041fc3448ed30dc9e4789116ad78533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b72655a6d1b8f8ab94bac15c2411d630041fc3448ed30dc9e4789116ad78533", kill_on_drop: false }`
[INFO] [stdout] 1b72655a6d1b8f8ab94bac15c2411d630041fc3448ed30dc9e4789116ad78533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd5beb62c456607e88f9318b67b6d1774d26f0289197c697c851794036853060
[INFO] running `Command { std: "docker" "start" "-a" "dd5beb62c456607e88f9318b67b6d1774d26f0289197c697c851794036853060", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling logos-codegen v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]    Compiling logos v0.13.0
[INFO] [stderr]    Compiling Ankara v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/ast.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fmt::Display};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/ast.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::token::{self, Token};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::borrow`
[INFO] [stdout]  --> src/interpreter/assign.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockExpression`, `BlockReturnStatement`, and `Expression`
[INFO] [stdout]  --> src/interpreter/environment.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ast::{BlockExpression, BlockReturnStatement, Expression, WatchDeclaration},
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::borrow`
[INFO] [stdout]  --> src/interpreter/environment.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Display`
[INFO] [stdout]  --> src/interpreter/environment.rs:7:67
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{borrow::BorrowMut, cell::RefCell, collections::HashMap, path::Display, rc::Rc};
[INFO] [stdout]   |                                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::array`
[INFO] [stdout]  --> src/interpreter/evaluator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::array;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/interpreter/evaluator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Assign`, `BlockExpression`, `ElementAccessExpression`, `Identifier`, and `self`
[INFO] [stdout]  --> src/interpreter/evaluator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     self, ArrayMapValue, Assign, BlockExpression, ElementAccessExpression, Expression, Identifier,
[INFO] [stdout]   |     ^^^^                 ^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockReturnStatement` and `Expression`
[INFO] [stdout]  --> src/interpreter/object.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{BlockReturnStatement, Expression};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/interpreter/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::Identifier`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::ast::Identifier;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::precedence`
[INFO] [stdout]  --> src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::precedence;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logos::Lexer`
[INFO] [stdout]   --> src/parser.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use logos::Lexer;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logos::Logos`
[INFO] [stdout]   --> src/parser.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use logos::Logos;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | use interpreter::evaluator::{self, EvalOption, Evaluator};
[INFO] [stdout]    |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Logos` and `source`
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | use logos::{source, Logos};
[INFO] [stdout]    |             ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/interpreter/assign.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{borrow::BorrowMut, cell::RefCell};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/interpreter/environment.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{borrow::BorrowMut, cell::RefCell, collections::HashMap, path::Display, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/interpreter/evaluator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]    --> src/ast.rs:234:41
[INFO] [stdout]     |
[INFO] [stdout] 234 |             Expression::FunctionLiteral(function) => write!(f, "function",),
[INFO] [stdout]     |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_expression`
[INFO] [stdout]    --> src/ast.rs:238:38
[INFO] [stdout]     |
[INFO] [stdout] 238 |             Expression::IfExpression(if_expression) => write!(f, "if"),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `array`
[INFO] [stdout]    --> src/ast.rs:241:38
[INFO] [stdout]     |
[INFO] [stdout] 241 |             Expression::ArrayLiteral(array) => write!(f, "array"),
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `for_expression`
[INFO] [stdout]    --> src/ast.rs:245:39
[INFO] [stdout]     |
[INFO] [stdout] 245 |             Expression::ForExpression(for_expression) => {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_for_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `switch_expression`
[INFO] [stdout]    --> src/ast.rs:248:42
[INFO] [stdout]     |
[INFO] [stdout] 248 |             Expression::SwitchExpression(switch_expression) => {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_switch_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assign`
[INFO] [stdout]    --> src/ast.rs:251:32
[INFO] [stdout]     |
[INFO] [stdout] 251 |             Expression::Assign(assign) => {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/ast.rs:254:41
[INFO] [stdout]     |
[INFO] [stdout] 254 |             Expression::BlockExpression(block) => {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter/environment.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut cloned_env = env.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/interpreter/evaluator.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let mut value = Ok(Object::None);
[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: `return_array`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:513:17
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let mut return_array = Array {
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter/evaluator.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let mut return_array = Array {
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter/evaluator.rs:518:13
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let mut obj = match iter {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/interpreter/object.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 for (i, element) in array.elements.borrow().iter().enumerate() {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interpreter/object.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 for (i, element) in array.elements.borrow().iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/precedence.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Token::Plus | Token::Minus => Precedence::Sum,
[INFO] [stdout]    |                           ------------ matches all the relevant values
[INFO] [stdout] 37 |             Token::Asterisk | Token::Slash | Token::Percent => Precedence::Product,
[INFO] [stdout] 38 |             Token::Bang | Token::Minus => Precedence::Prefix,
[INFO] [stdout]    |                           ^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut env = get_builtin_environment();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockReturn` is never constructed
[INFO] [stdout]    --> src/ast.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct BlockReturn {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrefixExpression` is never constructed
[INFO] [stdout]    --> src/ast.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub struct PrefixExpression {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/interpreter/environment.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Environment {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Void` is never constructed
[INFO] [stdout]   --> src/interpreter/object.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Object {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Void,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Object` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_number`, `unwrap_number`, `is_return`, `unwrap_block_return`, and `unwrap_return` are never used
[INFO] [stdout]   --> src/interpreter/object.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Object {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 26 |     pub fn is_number(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn unwrap_number(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_return(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn unwrap_block_return(&self) -> Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn unwrap_return(&self) -> Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_case_file_path` is never used
[INFO] [stdout]   --> src/interpreter/tests/cases.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_all_case_file_path() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_or_check_file` is never used
[INFO] [stdout]   --> src/interpreter/tests/cases.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn write_or_check_file(file_name: &str, content: &str) -> std::io::Result<bool> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Factorial` is never constructed
[INFO] [stdout]   --> src/precedence.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Precedence {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Factorial,   // 階乗（例：n!）
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_higher_than` is never used
[INFO] [stdout]   --> src/precedence.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Precedence {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn is_higher_than(&self, other: &Precedence) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_infix_operator` is never used
[INFO] [stdout]    --> src/token.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl Token {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 101 |     pub fn is_infix_operator(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/interpreter/assign.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         expression.borrow().eval(watch_env, option);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let _ = expression.borrow().eval(watch_env, option);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/interpreter/object.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]     |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub function: fn(Vec<Object>) -> Object,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.64s
[INFO] running `Command { std: "docker" "inspect" "dd5beb62c456607e88f9318b67b6d1774d26f0289197c697c851794036853060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5beb62c456607e88f9318b67b6d1774d26f0289197c697c851794036853060", kill_on_drop: false }`
[INFO] [stdout] dd5beb62c456607e88f9318b67b6d1774d26f0289197c697c851794036853060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a8c6b24ef3fa5a7964e3e3e0a65dcc4a30e43254cc56e0f22b399152dfc849a
[INFO] running `Command { std: "docker" "start" "-a" "0a8c6b24ef3fa5a7964e3e3e0a65dcc4a30e43254cc56e0f22b399152dfc849a", kill_on_drop: false }`
[INFO] [stderr]    Compiling Ankara v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/ast.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fmt::Display};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/ast.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::token::{self, Token};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::borrow`
[INFO] [stdout]  --> src/interpreter/assign.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockExpression`, `BlockReturnStatement`, and `Expression`
[INFO] [stdout]  --> src/interpreter/environment.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ast::{BlockExpression, BlockReturnStatement, Expression, WatchDeclaration},
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::borrow`
[INFO] [stdout]  --> src/interpreter/environment.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Display`
[INFO] [stdout]  --> src/interpreter/environment.rs:7:67
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{borrow::BorrowMut, cell::RefCell, collections::HashMap, path::Display, rc::Rc};
[INFO] [stdout]   |                                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::array`
[INFO] [stdout]  --> src/interpreter/evaluator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::array;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/interpreter/evaluator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Assign`, `BlockExpression`, `ElementAccessExpression`, `Identifier`, and `self`
[INFO] [stdout]  --> src/interpreter/evaluator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     self, ArrayMapValue, Assign, BlockExpression, ElementAccessExpression, Expression, Identifier,
[INFO] [stdout]   |     ^^^^                 ^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockReturnStatement` and `Expression`
[INFO] [stdout]  --> src/interpreter/object.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{BlockReturnStatement, Expression};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/interpreter/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/interpreter/tests/cases.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |         rc::{self, Rc},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array`, `Expression`, `Operator`, `parser::parse_expression`, `precedence::Precedence`, `self`, and `self`
[INFO] [stdout]   --> src/interpreter/tests/misc.rs:6:15
[INFO] [stdout]    |
[INFO] [stdout] 6  |         ast::{self, Expression, Operator},
[INFO] [stdout]    |               ^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |             object::{Array, Object},
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |             object::{self, Return},
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |         parser::parse_expression,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |         precedence::Precedence,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/interpreter/tests/misc.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expression`, `Operator`, `parser::parse_expression`, `precedence::Precedence`, and `self`
[INFO] [stdout]   --> src/interpreter/tests/mod.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |         ast::{self, Expression, Operator},
[INFO] [stdout]    |               ^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |         parser::parse_expression,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |         precedence::Precedence,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/interpreter/tests/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::Identifier`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::ast::Identifier;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::precedence`
[INFO] [stdout]  --> src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::precedence;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logos::Lexer`
[INFO] [stdout]   --> src/parser.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use logos::Lexer;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logos::Logos`
[INFO] [stdout]   --> src/parser.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use logos::Logos;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | use interpreter::evaluator::{self, EvalOption, Evaluator};
[INFO] [stdout]    |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Logos` and `source`
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | use logos::{source, Logos};
[INFO] [stdout]    |             ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/interpreter/assign.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{borrow::BorrowMut, cell::RefCell};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/interpreter/environment.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{borrow::BorrowMut, cell::RefCell, collections::HashMap, path::Display, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/interpreter/evaluator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]    --> src/ast.rs:234:41
[INFO] [stdout]     |
[INFO] [stdout] 234 |             Expression::FunctionLiteral(function) => write!(f, "function",),
[INFO] [stdout]     |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_expression`
[INFO] [stdout]    --> src/ast.rs:238:38
[INFO] [stdout]     |
[INFO] [stdout] 238 |             Expression::IfExpression(if_expression) => write!(f, "if"),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `array`
[INFO] [stdout]    --> src/ast.rs:241:38
[INFO] [stdout]     |
[INFO] [stdout] 241 |             Expression::ArrayLiteral(array) => write!(f, "array"),
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `for_expression`
[INFO] [stdout]    --> src/ast.rs:245:39
[INFO] [stdout]     |
[INFO] [stdout] 245 |             Expression::ForExpression(for_expression) => {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_for_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `switch_expression`
[INFO] [stdout]    --> src/ast.rs:248:42
[INFO] [stdout]     |
[INFO] [stdout] 248 |             Expression::SwitchExpression(switch_expression) => {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_switch_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assign`
[INFO] [stdout]    --> src/ast.rs:251:32
[INFO] [stdout]     |
[INFO] [stdout] 251 |             Expression::Assign(assign) => {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/ast.rs:254:41
[INFO] [stdout]     |
[INFO] [stdout] 254 |             Expression::BlockExpression(block) => {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter/environment.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut cloned_env = env.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/interpreter/evaluator.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let mut value = Ok(Object::None);
[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: `return_array`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:513:17
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let mut return_array = Array {
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter/evaluator.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let mut return_array = Array {
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter/evaluator.rs:518:13
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let mut obj = match iter {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/interpreter/evaluator.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |         option: &mut EvalOption,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/interpreter/object.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 for (i, element) in array.elements.borrow().iter().enumerate() {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interpreter/object.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 for (i, element) in array.elements.borrow().iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter/tests/cases.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let mut env = get_builtin_environment();
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter/tests/misc.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut env = Environment::new(None);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter/tests/mod.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut env = Environment::new(None);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/precedence.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Token::Plus | Token::Minus => Precedence::Sum,
[INFO] [stdout]    |                           ------------ matches all the relevant values
[INFO] [stdout] 37 |             Token::Asterisk | Token::Slash | Token::Percent => Precedence::Product,
[INFO] [stdout] 38 |             Token::Bang | Token::Minus => Precedence::Prefix,
[INFO] [stdout]    |                           ^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut env = get_builtin_environment();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockReturn` is never constructed
[INFO] [stdout]    --> src/ast.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct BlockReturn {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrefixExpression` is never constructed
[INFO] [stdout]    --> src/ast.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub struct PrefixExpression {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Void` is never constructed
[INFO] [stdout]   --> src/interpreter/object.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Object {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Void,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Object` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_number`, `unwrap_number`, `is_return`, and `unwrap_block_return` are never used
[INFO] [stdout]   --> src/interpreter/object.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Object {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 26 |     pub fn is_number(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn unwrap_number(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_return(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn unwrap_block_return(&self) -> Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_return_object` is never used
[INFO] [stdout]   --> src/interpreter/tests/misc.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get_return_object(obj: Object) -> Object {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Factorial` is never constructed
[INFO] [stdout]   --> src/precedence.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Precedence {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Factorial,   // 階乗（例：n!）
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_higher_than` is never used
[INFO] [stdout]   --> src/precedence.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Precedence {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn is_higher_than(&self, other: &Precedence) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_infix_operator` is never used
[INFO] [stdout]    --> src/token.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl Token {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 101 |     pub fn is_infix_operator(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/interpreter/assign.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         expression.borrow().eval(watch_env, option);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let _ = expression.borrow().eval(watch_env, option);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/interpreter/object.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]     |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub function: fn(Vec<Object>) -> Object,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `variableDeclaration` should have a snake case name
[INFO] [stdout]     --> src/parser.rs:1046:13
[INFO] [stdout]      |
[INFO] [stdout] 1046 |         let variableDeclaration = parse_variable_declaration(&mut lexer).unwrap();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `variable_declaration`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "0a8c6b24ef3fa5a7964e3e3e0a65dcc4a30e43254cc56e0f22b399152dfc849a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8c6b24ef3fa5a7964e3e3e0a65dcc4a30e43254cc56e0f22b399152dfc849a", kill_on_drop: false }`
[INFO] [stdout] 0a8c6b24ef3fa5a7964e3e3e0a65dcc4a30e43254cc56e0f22b399152dfc849a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3318a4f1587f0ca2377272ab016e9d31ef7b4aa7df35ae2c6afce7a73706ac42
[INFO] running `Command { std: "docker" "start" "-a" "3318a4f1587f0ca2377272ab016e9d31ef7b4aa7df35ae2c6afce7a73706ac42", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `collections::HashMap`
[INFO] [stderr]  --> src/ast.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, fmt::Display};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/ast.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::token::{self, Token};
[INFO] [stderr]   |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::borrow`
[INFO] [stderr]  --> src/interpreter/assign.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BlockExpression`, `BlockReturnStatement`, and `Expression`
[INFO] [stderr]  --> src/interpreter/environment.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     ast::{BlockExpression, BlockReturnStatement, Expression, WatchDeclaration},
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::borrow`
[INFO] [stderr]  --> src/interpreter/environment.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `path::Display`
[INFO] [stderr]  --> src/interpreter/environment.rs:7:67
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{borrow::BorrowMut, cell::RefCell, collections::HashMap, path::Display, rc::Rc};
[INFO] [stderr]   |                                                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::array`
[INFO] [stderr]  --> src/interpreter/evaluator.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::array;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/interpreter/evaluator.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Assign`, `BlockExpression`, `ElementAccessExpression`, `Identifier`, and `self`
[INFO] [stderr]  --> src/interpreter/evaluator.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     self, ArrayMapValue, Assign, BlockExpression, ElementAccessExpression, Expression, Identifier,
[INFO] [stderr]   |     ^^^^                 ^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BlockReturnStatement` and `Expression`
[INFO] [stderr]  --> src/interpreter/object.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::{BlockReturnStatement, Expression};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/interpreter/object.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/interpreter/tests/cases.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |         rc::{self, Rc},
[INFO] [stderr]   |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array`, `Expression`, `Operator`, `parser::parse_expression`, `precedence::Precedence`, `self`, and `self`
[INFO] [stderr]   --> src/interpreter/tests/misc.rs:6:15
[INFO] [stderr]    |
[INFO] [stderr] 6  |         ast::{self, Expression, Operator},
[INFO] [stderr]    |               ^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |             object::{Array, Object},
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |             object::{self, Return},
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |         parser::parse_expression,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 19 |         precedence::Precedence,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/interpreter/tests/misc.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Expression`, `Operator`, `parser::parse_expression`, `precedence::Precedence`, and `self`
[INFO] [stderr]   --> src/interpreter/tests/mod.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 |         ast::{self, Expression, Operator},
[INFO] [stderr]    |               ^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |         parser::parse_expression,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 19 |         precedence::Precedence,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/interpreter/tests/mod.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::Identifier`
[INFO] [stderr]  --> src/parser.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::ast::Identifier;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::precedence`
[INFO] [stderr]  --> src/parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::precedence;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `logos::Lexer`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use logos::Lexer;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `logos::Logos`
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use logos::Logos;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/main.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 | use interpreter::evaluator::{self, EvalOption, Evaluator};
[INFO] [stderr]    |                              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Logos` and `source`
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 | use logos::{source, Logos};
[INFO] [stderr]    |             ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `borrow::BorrowMut`
[INFO] [stderr]  --> src/interpreter/assign.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{borrow::BorrowMut, cell::RefCell};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `borrow::BorrowMut`
[INFO] [stderr]  --> src/interpreter/environment.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{borrow::BorrowMut, cell::RefCell, collections::HashMap, path::Display, rc::Rc};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]  --> src/interpreter/evaluator.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::borrow::BorrowMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `function`
[INFO] [stderr]    --> src/ast.rs:234:41
[INFO] [stderr]     |
[INFO] [stderr] 234 |             Expression::FunctionLiteral(function) => write!(f, "function",),
[INFO] [stderr]     |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `if_expression`
[INFO] [stderr]    --> src/ast.rs:238:38
[INFO] [stderr]     |
[INFO] [stderr] 238 |             Expression::IfExpression(if_expression) => write!(f, "if"),
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_expression`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stderr]    --> src/ast.rs:241:38
[INFO] [stderr]     |
[INFO] [stderr] 241 |             Expression::ArrayLiteral(array) => write!(f, "array"),
[INFO] [stderr]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `for_expression`
[INFO] [stderr]    --> src/ast.rs:245:39
[INFO] [stderr]     |
[INFO] [stderr] 245 |             Expression::ForExpression(for_expression) => {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_for_expression`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `switch_expression`
[INFO] [stderr]    --> src/ast.rs:248:42
[INFO] [stderr]     |
[INFO] [stderr] 248 |             Expression::SwitchExpression(switch_expression) => {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_switch_expression`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `assign`
[INFO] [stderr]    --> src/ast.rs:251:32
[INFO] [stderr]     |
[INFO] [stderr] 251 |             Expression::Assign(assign) => {
[INFO] [stderr]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]    --> src/ast.rs:254:41
[INFO] [stderr]     |
[INFO] [stderr] 254 |             Expression::BlockExpression(block) => {
[INFO] [stderr]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter/environment.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let mut cloned_env = env.clone();
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `option`
[INFO] [stderr]    --> src/interpreter/evaluator.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         option: &mut EvalOption,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `option`
[INFO] [stderr]    --> src/interpreter/evaluator.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         option: &mut EvalOption,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `option`
[INFO] [stderr]    --> src/interpreter/evaluator.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |         option: &mut EvalOption,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `option`
[INFO] [stderr]    --> src/interpreter/evaluator.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 395 |         option: &mut EvalOption,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]    --> src/interpreter/evaluator.rs:512:17
[INFO] [stderr]     |
[INFO] [stderr] 512 |         let mut value = Ok(Object::None);
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `return_array`
[INFO] [stderr]    --> src/interpreter/evaluator.rs:513:17
[INFO] [stderr]     |
[INFO] [stderr] 513 |         let mut return_array = Array {
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_array`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter/evaluator.rs:513:13
[INFO] [stderr]     |
[INFO] [stderr] 513 |         let mut return_array = Array {
[INFO] [stderr]     |             ----^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter/evaluator.rs:518:13
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let mut obj = match iter {
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `option`
[INFO] [stderr]    --> src/interpreter/evaluator.rs:636:9
[INFO] [stderr]     |
[INFO] [stderr] 636 |         option: &mut EvalOption,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/interpreter/object.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 for (i, element) in array.elements.borrow().iter().enumerate() {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interpreter/object.rs:129:22
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 for (i, element) in array.elements.borrow().iter().enumerate() {
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter/tests/cases.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |             let mut env = get_builtin_environment();
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter/tests/misc.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut env = Environment::new(None);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter/tests/mod.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut env = Environment::new(None);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/precedence.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 36 |             Token::Plus | Token::Minus => Precedence::Sum,
[INFO] [stderr]    |                           ------------ matches all the relevant values
[INFO] [stderr] 37 |             Token::Asterisk | Token::Slash | Token::Percent => Precedence::Product,
[INFO] [stderr] 38 |             Token::Bang | Token::Minus => Precedence::Prefix,
[INFO] [stderr]    |                           ^^^^^^^^^^^^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut env = get_builtin_environment();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BlockReturn` is never constructed
[INFO] [stderr]    --> src/ast.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub struct BlockReturn {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PrefixExpression` is never constructed
[INFO] [stderr]    --> src/ast.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 194 | pub struct PrefixExpression {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Void` is never constructed
[INFO] [stderr]   --> src/interpreter/object.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Object {
[INFO] [stderr]    |          ------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 22 |     Void,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Object` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_number`, `unwrap_number`, `is_return`, and `unwrap_block_return` are never used
[INFO] [stderr]   --> src/interpreter/object.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Object {
[INFO] [stderr]    | ----------- methods in this implementation
[INFO] [stderr] 26 |     pub fn is_number(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn unwrap_number(&self) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn is_return(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     pub fn unwrap_block_return(&self) -> Object {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_return_object` is never used
[INFO] [stderr]   --> src/interpreter/tests/misc.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn get_return_object(obj: Object) -> Object {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Factorial` is never constructed
[INFO] [stderr]   --> src/precedence.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 4  | pub enum Precedence {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 16 |     Factorial,   // 階乗（例：n!）
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_higher_than` is never used
[INFO] [stderr]   --> src/precedence.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Precedence {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn is_higher_than(&self, other: &Precedence) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_infix_operator` is never used
[INFO] [stderr]    --> src/token.rs:101:12
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl Token {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] 101 |     pub fn is_infix_operator(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/interpreter/assign.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         expression.borrow().eval(watch_env, option);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let _ = expression.borrow().eval(watch_env, option);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]    --> src/interpreter/object.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 159 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stderr]     |                 --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 162 |     pub function: fn(Vec<Object>) -> Object,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the address of the same function can vary between different codegen units
[INFO] [stderr]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `variableDeclaration` should have a snake case name
[INFO] [stderr]     --> src/parser.rs:1046:13
[INFO] [stderr]      |
[INFO] [stderr] 1046 |         let variableDeclaration = parse_variable_declaration(&mut lexer).unwrap();
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `variable_declaration`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `Ankara` (bin "Ankara" test) generated 60 warnings (run `cargo fix --bin "Ankara" --tests` to apply 29 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Ankara-0af6ca64cb2ee30c)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test interpreter::tests::misc::tests::test_array_map ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_block_expression ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_block_level_return ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_assign_element_access ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_default_case ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_sample_code4 ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_switch_expression ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_watch ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_for_loop ... ok
[INFO] [stdout] test parser::tests::test_parse_array ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_sample_code1 ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_sample_code2 ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_sample_code3 ... ok
[INFO] [stdout] test parser::tests::test_comment ... ok
[INFO] [stdout] test parser::tests::test_infix_expression ... ok
[INFO] [stdout] test parser::tests::test_parse_call_expression ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_function_level_return ... ok
[INFO] [stdout] test parser::tests::test_parse_identifier ... ok
[INFO] [stdout] test parser::tests::test_parse ... ok
[INFO] [stdout] test parser::tests::test_parse_multiple_statements ... ok
[INFO] [stdout] test parser::tests::test_parse_if_expression ... ok
[INFO] [stdout] test interpreter::tests::cases::tests::test_write_or_check_file ... ok
[INFO] [stdout] test parser::tests::test_parse_function_expression ... ok
[INFO] [stdout] test interpreter::tests::misc::tests::test_element_access_expression ... ok
[INFO] [stdout] test lexer::tests::test_peekable ... ok
[INFO] [stdout] test interpreter::tests::tests::test_if_else ... FAILED
[INFO] [stdout] test interpreter::tests::misc::tests::test_assign ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- interpreter::tests::tests::test_if_else stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'interpreter::tests::tests::test_if_else' panicked at src/interpreter/tests/mod.rs:27:41:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ParseError { message: "expected semicolon", child: None }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64a4112989e2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64a4112989e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64a4112989e2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64a4112989e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64a4112be5d3 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64a4112be5d3 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x64a411295553 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64a411295553 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64a411298832 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64a41129a13c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x64a411299f92 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x64a41125e054 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x64a41125e054 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x64a41129ab1b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x64a41129ab1b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x64a41129a8ea - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x64a411298ed9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x64a41129a57d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x64a4112bd150 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x64a4112bd4c6 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x64a411221944 - core::result::Result<T,E>::unwrap::ha70199ea56f76539
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x64a411221944 - Ankara::interpreter::tests::tests::get_result::h986a0df805d25fac
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter/tests/mod.rs:27:41
[INFO] [stdout]   22:     0x64a411220061 - Ankara::interpreter::tests::tests::test_if_else::h49f7342296336e29
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter/tests/mod.rs:36:13
[INFO] [stdout]   23:     0x64a411220061 - Ankara::interpreter::tests::tests::test_if_else::{{closure}}::hf02e8db4146a1dc5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter/tests/mod.rs:34:22
[INFO] [stdout]   24:     0x64a411220061 - core::ops::function::FnOnce::call_once::h2c35f58345ec99b5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x64a41126378b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x64a41126378b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x64a4112629ce - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x64a4112629ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x64a4112629ce - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x64a4112629ce - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x64a4112629ce - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x64a4112629ce - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x64a4112629ce - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x64a411226574 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x64a411226574 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x64a411229f1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x64a411229f1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x64a411229f1a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x64a411229f1a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x64a411229f1a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x64a411229f1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x64a411229f1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x64a41129da77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x64a41129da77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x64a41129da77 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x7a53c48acaa4 - <unknown>
[INFO] [stdout]   47:     0x7a53c4939a34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     interpreter::tests::tests::test_if_else
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 26 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin Ankara`
[INFO] running `Command { std: "docker" "inspect" "3318a4f1587f0ca2377272ab016e9d31ef7b4aa7df35ae2c6afce7a73706ac42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3318a4f1587f0ca2377272ab016e9d31ef7b4aa7df35ae2c6afce7a73706ac42", kill_on_drop: false }`
[INFO] [stdout] 3318a4f1587f0ca2377272ab016e9d31ef7b4aa7df35ae2c6afce7a73706ac42
