[INFO] cloning repository https://github.com/philmein23/lox-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philmein23/lox-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Flox-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Flox-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fda24bddfd67d22bd58364eb3649c84689ddab6
[INFO] testing philmein23/lox-interpreter against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Flox-interpreter" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/philmein23/lox-interpreter
[INFO] finished tweaking git repo https://github.com/philmein23/lox-interpreter
[INFO] tweaked toml for git repo https://github.com/philmein23/lox-interpreter written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/philmein23/lox-interpreter on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/philmein23/lox-interpreter 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 396bd7b51aaed04c937fdff873e9fab97025732b9d95cffbbd6161fae5443074
[INFO] running `Command { std: "docker" "start" "-a" "396bd7b51aaed04c937fdff873e9fab97025732b9d95cffbbd6161fae5443074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "396bd7b51aaed04c937fdff873e9fab97025732b9d95cffbbd6161fae5443074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396bd7b51aaed04c937fdff873e9fab97025732b9d95cffbbd6161fae5443074", kill_on_drop: false }`
[INFO] [stdout] 396bd7b51aaed04c937fdff873e9fab97025732b9d95cffbbd6161fae5443074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90a24872582f4bb2f340affbec04114e56725a5640c9ddc8df3714a7b6e0e4ee
[INFO] running `Command { std: "docker" "start" "-a" "90a24872582f4bb2f340affbec04114e56725a5640c9ddc8df3714a7b6e0e4ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RIGHT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     LEFT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     RIGHT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Token`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]    --> src/ast.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     EQUAL_EQUAL,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]    --> src/ast.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     BANG_EQUAL,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]    --> src/ast.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     GREATER_EQUAL,
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]    --> src/ast.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     LESS_EQUAL,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/parser.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::{self, IntoIter};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefMut`
[INFO] [stdout]  --> src/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `object::Object`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use object::Object;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 556 |             _ => Err(RuntimeError::InvalidSyntax),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/interpreter.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |             Expression::This() => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 424 |             Expression::Super(method) => match self.enclosing_function {
[INFO] [stdout]     |             ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 463 |             Expression::Binary(left, operator, right) => {
[INFO] [stdout]     |             ----------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 468 |             Expression::Number(value) => Ok(Object::Number(value)),
[INFO] [stdout]     |             ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 556 |             _ => Err(RuntimeError::InvalidSyntax),
[INFO] [stdout]     |             ^ ...and 11 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:431:51
[INFO] [stdout]     |
[INFO] [stdout] 431 | ...                   Some(Object::LoxClass(name, super_id)) => {
[INFO] [stdout]     |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/interpreter.rs:497:33
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 let mut value = Object::Nil;
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_call_interpreter` is never used
[INFO] [stdout]    --> src/main.rs:418:4
[INFO] [stdout]     |
[INFO] [stdout] 418 | fn test_call_interpreter(input: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ScanningError` is never constructed
[INFO] [stdout]    --> src/scanner.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub enum ScannerError {
[INFO] [stdout]     |          ------------ variant in this enum
[INFO] [stdout] 132 |     ScanningError(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScannerError` 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 `EOF` is never constructed
[INFO] [stdout]   --> src/token.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 41 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]  --> src/ast.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Statement {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub enum Expression {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Prefix` is never used
[INFO] [stdout]    --> src/ast.rs:148:10
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub enum Prefix {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Infix` is never used
[INFO] [stdout]    --> src/ast.rs:163:10
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub enum Infix {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parser.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Parser<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/parser.rs:12:12
[INFO] [stdout]     |
[INFO] [stdout]  11 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout]  12 |     pub fn new(tokens: &'a mut Peekable<IntoIter<Token>>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  16 |     pub fn parse(&mut self) -> Result<Vec<Statement>, ParseError> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  28 |     fn declaration(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     fn class_declaration(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     fn var_declaration(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn function(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn statement(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn expression(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn return_statement(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn for_statement(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn expression_statement(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     fn while_statement(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     fn if_statement(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 300 |     fn block(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 315 |     fn print_statement(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     fn assignment(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 |     fn or(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |     fn and(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 377 |     fn equality(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 |     fn comparison(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 |     fn term(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 457 |     fn factor(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 480 |     fn unary(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 498 |     fn call(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 521 |     fn finish_call(&mut self, callee: Expression) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 542 |     fn primary(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 583 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParseError` is never used
[INFO] [stdout]    --> src/parser.rs:605:10
[INFO] [stdout]     |
[INFO] [stdout] 605 | pub enum ParseError {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RuntimeError` is never used
[INFO] [stdout]   --> src/interpreter.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum RuntimeError {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LoxCallable` is never used
[INFO] [stdout]   --> src/interpreter.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait LoxCallable {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoxFunction` is never constructed
[INFO] [stdout]   --> src/interpreter.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct LoxFunction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/interpreter.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl LoxFunction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 36 |     fn new(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoxClass` is never constructed
[INFO] [stdout]   --> src/interpreter.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct LoxClass {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/interpreter.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl LoxClass {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 102 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_method` is never used
[INFO] [stdout]    --> src/interpreter.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl LoxClass {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 118 |     fn find_method(&self, interpreter: &Interpreter, method_name: &String) -> Option<u64> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoxInstance` is never constructed
[INFO] [stdout]    --> src/interpreter.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 | struct LoxInstance {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used
[INFO] [stdout]    --> src/interpreter.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl LoxInstance {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 175 |     fn new(class_name: String, insta_id: u64) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn get(&self, prop: String, interpreter: &mut Interpreter) -> Option<Object> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     fn set(&mut self, prop: String, value: Object) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpreter` is never constructed
[INFO] [stdout]    --> src/interpreter.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct Interpreter {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/interpreter.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 228 | impl Interpreter {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 229 |     pub fn new() -> Interpreter {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 |     fn alloc_id(&mut self) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn evaluate(&mut self, stmts: Vec<Statement>) -> Result<(), RuntimeError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 366 |     fn is_truthy(val: &Object) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 375 |     fn evaluate_while_statement(&mut self, cond: &Expression, body: &Statement) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 383 |     fn evaluate_if_statement(&mut self, cond: Expression, then: Statement, alt: Option<Statement>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 402 |     fn execute_block(&mut self, statements: Vec<Statement>, env: Environment) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 |     fn evaluate_print_statement(&mut self, expr: Expression) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |     fn evaluate_expression(&mut self, expr: Expression) -> Result<Object, RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 560 |     fn eval_prefix_expression(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 581 |     fn eval_infix_expression(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Object` is never used
[INFO] [stdout]  --> src/object.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Object {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Environment` is never constructed
[INFO] [stdout]  --> src/environment.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Environment {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `extend`, `define`, `get`, and `assign` are never used
[INFO] [stdout]   --> src/environment.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Environment {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Environment {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn extend(enclosing: Environment) -> Environment {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn define(&mut self, name: String, value: Object) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn get(&self, name: &str) -> Option<Object> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn assign(&mut self, name: String, value: Object) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for token in tokens {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 45 -     for token in tokens {
[INFO] [stdout] 45 +     while let Ok(token) = tokens {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 45 -     for token in tokens {
[INFO] [stdout] 45 +     if let Ok(token) = tokens {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |             _ => panic!("Expected block statement".to_string()),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 157 |             _ => panic!("{}", "Expected block statement".to_string()),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |                 self.evaluate(statements);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 390 |                 let _ = self.evaluate(statements);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:397:17
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 self.evaluate(statements);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let _ = self.evaluate(statements);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "90a24872582f4bb2f340affbec04114e56725a5640c9ddc8df3714a7b6e0e4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a24872582f4bb2f340affbec04114e56725a5640c9ddc8df3714a7b6e0e4ee", kill_on_drop: false }`
[INFO] [stdout] 90a24872582f4bb2f340affbec04114e56725a5640c9ddc8df3714a7b6e0e4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34a60d81abab2abf37d12470167db23cba2aeb3d675459742394ef178377392c
[INFO] running `Command { std: "docker" "start" "-a" "34a60d81abab2abf37d12470167db23cba2aeb3d675459742394ef178377392c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RIGHT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     LEFT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     RIGHT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]    --> src/ast.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     EQUAL_EQUAL,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]    --> src/ast.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     BANG_EQUAL,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]    --> src/ast.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     GREATER_EQUAL,
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]    --> src/ast.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     LESS_EQUAL,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/parser.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::{self, IntoIter};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefMut`
[INFO] [stdout]  --> src/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `object::Object`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use object::Object;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 556 |             _ => Err(RuntimeError::InvalidSyntax),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/interpreter.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |             Expression::This() => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 424 |             Expression::Super(method) => match self.enclosing_function {
[INFO] [stdout]     |             ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 463 |             Expression::Binary(left, operator, right) => {
[INFO] [stdout]     |             ----------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 468 |             Expression::Number(value) => Ok(Object::Number(value)),
[INFO] [stdout]     |             ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 556 |             _ => Err(RuntimeError::InvalidSyntax),
[INFO] [stdout]     |             ^ ...and 11 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:431:51
[INFO] [stdout]     |
[INFO] [stdout] 431 | ...                   Some(Object::LoxClass(name, super_id)) => {
[INFO] [stdout]     |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/interpreter.rs:497:33
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 let mut value = Object::Nil;
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ScanningError` is never constructed
[INFO] [stdout]    --> src/scanner.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub enum ScannerError {
[INFO] [stdout]     |          ------------ variant in this enum
[INFO] [stdout] 132 |     ScanningError(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScannerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EOF` is never constructed
[INFO] [stdout]   --> src/token.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 41 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronize` is never used
[INFO] [stdout]    --> src/parser.rs:583:8
[INFO] [stdout]     |
[INFO] [stdout]  11 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 583 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidArguments`, `InvalidNumberOfArguments`, `InvalidNumberOfArgumentsForFunction`, and `InvalidNumberOfArgumentsForMethod` are never constructed
[INFO] [stdout]   --> src/interpreter.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum RuntimeError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     InvalidArguments,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     InvalidNumberOfArguments,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     InvalidNumberOfArgumentsForFunction,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     InvalidNumberOfArgumentsForMethod,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `arity` is never used
[INFO] [stdout]   --> src/interpreter.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait LoxCallable {
[INFO] [stdout]    |       ----------- method in this trait
[INFO] [stdout] 21 |     fn arity(&self) -> u8;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `class_id` is never read
[INFO] [stdout]   --> src/interpreter.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct LoxClass {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 95 |     name: String,
[INFO] [stdout] 96 |     class_id: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoxClass` 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: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for token in tokens {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 45 -     for token in tokens {
[INFO] [stdout] 45 +     while let Ok(token) = tokens {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 45 -     for token in tokens {
[INFO] [stdout] 45 +     if let Ok(token) = tokens {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |             _ => panic!("Expected block statement".to_string()),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 157 |             _ => panic!("{}", "Expected block statement".to_string()),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |                 self.evaluate(statements);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 390 |                 let _ = self.evaluate(statements);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:397:17
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 self.evaluate(statements);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let _ = self.evaluate(statements);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "34a60d81abab2abf37d12470167db23cba2aeb3d675459742394ef178377392c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a60d81abab2abf37d12470167db23cba2aeb3d675459742394ef178377392c", kill_on_drop: false }`
[INFO] [stdout] 34a60d81abab2abf37d12470167db23cba2aeb3d675459742394ef178377392c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf6254c78e401693391126879650788dc43575831e51b54f039bc9528211d469
[INFO] running `Command { std: "docker" "start" "-a" "cf6254c78e401693391126879650788dc43575831e51b54f039bc9528211d469", kill_on_drop: false }`
[INFO] [stderr] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     LEFT_PAREN,
[INFO] [stderr]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     RIGHT_PAREN,
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     LEFT_BRACE,
[INFO] [stderr]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     RIGHT_BRACE,
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     BANG_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     EQUAL_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     GREATER_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     LESS_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stderr]    --> src/ast.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     EQUAL_EQUAL,
[INFO] [stderr]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stderr]    --> src/ast.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     BANG_EQUAL,
[INFO] [stderr]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stderr]    --> src/ast.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     GREATER_EQUAL,
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stderr]    --> src/ast.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     LESS_EQUAL,
[INFO] [stderr]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/parser.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::vec::{self, IntoIter};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefMut`
[INFO] [stderr]  --> src/interpreter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::RefMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `object::Object`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use object::Object;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/interpreter.rs:556:13
[INFO] [stderr]     |
[INFO] [stderr] 556 |             _ => Err(RuntimeError::InvalidSyntax),
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/interpreter.rs:556:13
[INFO] [stderr]     |
[INFO] [stderr] 420 |             Expression::This() => {
[INFO] [stderr]     |             ------------------ matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 424 |             Expression::Super(method) => match self.enclosing_function {
[INFO] [stderr]     |             ------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 463 |             Expression::Binary(left, operator, right) => {
[INFO] [stderr]     |             ----------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 468 |             Expression::Number(value) => Ok(Object::Number(value)),
[INFO] [stderr]     |             ------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 556 |             _ => Err(RuntimeError::InvalidSyntax),
[INFO] [stderr]     |             ^ ...and 11 other patterns collectively make this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/interpreter.rs:431:51
[INFO] [stderr]     |
[INFO] [stderr] 431 | ...                   Some(Object::LoxClass(name, super_id)) => {
[INFO] [stderr]     |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]    --> src/interpreter.rs:497:33
[INFO] [stderr]     |
[INFO] [stderr] 497 |                 let mut value = Object::Nil;
[INFO] [stderr]     |                                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ScanningError` is never constructed
[INFO] [stderr]    --> src/scanner.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | pub enum ScannerError {
[INFO] [stderr]     |          ------------ variant in this enum
[INFO] [stderr] 132 |     ScanningError(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ScannerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EOF` is never constructed
[INFO] [stderr]   --> src/token.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr]  2 | pub enum Token {
[INFO] [stderr]    |          ----- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 41 |     EOF,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `synchronize` is never used
[INFO] [stderr]    --> src/parser.rs:583:8
[INFO] [stderr]     |
[INFO] [stderr]  11 | impl<'a> Parser<'a> {
[INFO] [stderr]     | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 583 |     fn synchronize(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `InvalidArguments`, `InvalidNumberOfArguments`, `InvalidNumberOfArgumentsForFunction`, and `InvalidNumberOfArgumentsForMethod` are never constructed
[INFO] [stderr]   --> src/interpreter.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum RuntimeError {
[INFO] [stderr]    |          ------------ variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 14 |     InvalidArguments,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 15 |     InvalidNumberOfArguments,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 16 |     InvalidNumberOfArgumentsForFunction,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 17 |     InvalidNumberOfArgumentsForMethod,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `arity` is never used
[INFO] [stderr]   --> src/interpreter.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | trait LoxCallable {
[INFO] [stderr]    |       ----------- method in this trait
[INFO] [stderr] 21 |     fn arity(&self) -> u8;
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `class_id` is never read
[INFO] [stderr]   --> src/interpreter.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | struct LoxClass {
[INFO] [stderr]    |        -------- field in this struct
[INFO] [stderr] 95 |     name: String,
[INFO] [stderr] 96 |     class_id: u64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LoxClass` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stderr]   --> src/main.rs:45:18
[INFO] [stderr]    |
[INFO] [stderr] 45 |     for token in tokens {
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]    |
[INFO] [stderr] 45 -     for token in tokens {
[INFO] [stderr] 45 +     while let Ok(token) = tokens {
[INFO] [stderr]    |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]    |
[INFO] [stderr] 45 -     for token in tokens {
[INFO] [stderr] 45 +     if let Ok(token) = tokens {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/parser.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 |             _ => panic!("Expected block statement".to_string()),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 157 |             _ => panic!("{}", "Expected block statement".to_string()),
[INFO] [stderr]     |                         +++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/interpreter.rs:390:17
[INFO] [stderr]     |
[INFO] [stderr] 390 |                 self.evaluate(statements);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 390 |                 let _ = self.evaluate(statements);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/interpreter.rs:397:17
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 self.evaluate(statements);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 let _ = self.evaluate(statements);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `lox` (bin "lox" test) generated 28 warnings (run `cargo fix --bin "lox" -p lox --tests` to apply 5 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/lox-37f59515059f44c7)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test test_class ... ok
[INFO] [stdout] test test_block_scope ... ok
[INFO] [stdout] test test_class_instance_method_call ... ok
[INFO] [stdout] test test_evaluation ... ok
[INFO] [stdout] test test_closure ... ok
[INFO] [stdout] test test_evaluation_with_var_declaration ... ok
[INFO] [stdout] test test_evaluation_with_var_assignment ... ok
[INFO] [stdout] test test_function_return_call ... ok
[INFO] [stdout] test test_for_statement ... ok
[INFO] [stdout] test test_if_statement ... ok
[INFO] [stdout] test test_init_constructor ... ok
[INFO] [stdout] test test_run_file ... ok
[INFO] [stdout] test test_function_call ... ok
[INFO] [stdout] test test_this_expression ... ok
[INFO] [stdout] test test_if_logical_operator ... ok
[INFO] [stdout] test test_while_statement ... ok
[INFO] [stdout] test test_super_call ... FAILED
[INFO] [stdout] test test_super_class ... FAILED
[INFO] [stdout] test test_fib ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_super_call stdout ----
[INFO] [stdout] ABOUT TO RESET ENV
[INFO] [stdout] ABOUT TO RESET ENV
[INFO] [stdout] 
[INFO] [stdout] thread 'test_super_call' (32) panicked at src/interpreter.rs:477:49:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58ae8da53472 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58ae8da53472 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58ae8da53472 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x58ae8da53472 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x58ae8da63437 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x58ae8da63437 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x58ae8da22116 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58ae8da22116 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x58ae8da32789 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x58ae8da32789 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x58ae8da32621 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x58ae8d9f6d5e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x58ae8d9f6d5e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x58ae8da32a02 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x58ae8da32a02 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x58ae8da3287a - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x58ae8da2ddc9 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x58ae8da16edd - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x58ae8da6b16c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x58ae8da6b132 - core::panicking::panic::h40aea00c5b72b770
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x58ae8da6a839 - core::option::unwrap_failed::h496213fb77d124e0
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/option.rs:2175:5
[INFO] [stdout]   21:     0x58ae8d9b5cc9 - core::option::Option<T>::unwrap::hfaa5b671a20a6a73
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/option.rs:1016:21
[INFO] [stdout]   22:     0x58ae8d9b5cc9 - lox::interpreter::Interpreter::evaluate_expression::hd3b2692617ab8abf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:477:49
[INFO] [stdout]   23:     0x58ae8d9b6664 - lox::interpreter::Interpreter::evaluate_expression::hd3b2692617ab8abf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:491:35
[INFO] [stdout]   24:     0x58ae8d9bb625 - lox::interpreter::Interpreter::evaluate::ha669bcdbbcd52849
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:261:42
[INFO] [stdout]   25:     0x58ae8d9c484b - lox::test_call_interpreter::h60b912d2ac5a69b0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:425:17
[INFO] [stdout]   26:     0x58ae8d9c3f50 - lox::test_super_call::hb7f752f101547252
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:415:5
[INFO] [stdout]   27:     0x58ae8d9c3f97 - lox::test_super_call::{{closure}}::hc2e986947d9c0f5e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:391:21
[INFO] [stdout]   28:     0x58ae8d9d3826 - core::ops::function::FnOnce::call_once::h26353cf35a48c669
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x58ae8d9f6b8b - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x58ae8d9f6b8b - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   31:     0x58ae8da0a51a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   32:     0x58ae8da0a51a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   33:     0x58ae8da0a51a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   34:     0x58ae8da0a51a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   35:     0x58ae8da0a51a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   36:     0x58ae8da0a51a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   37:     0x58ae8da0a51a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   38:     0x58ae8d9e47b4 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   39:     0x58ae8d9e47b4 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   40:     0x58ae8d9e80e2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   41:     0x58ae8d9e80e2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   42:     0x58ae8d9e80e2 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   43:     0x58ae8d9e80e2 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   44:     0x58ae8d9e80e2 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   45:     0x58ae8d9e80e2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   46:     0x58ae8d9e80e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x58ae8da2944f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   48:     0x58ae8da2944f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   49:     0x783c7785caa4 - <unknown>
[INFO] [stdout]   50:     0x783c778e9a64 - clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_super_class stdout ----
[INFO] [stdout] ABOUT TO RESET ENV
[INFO] [stdout] ABOUT TO RESET ENV
[INFO] [stdout] 
[INFO] [stdout] thread 'test_super_class' (33) panicked at src/interpreter.rs:477:49:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58ae8da53472 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58ae8da53472 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58ae8da53472 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x58ae8da53472 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x58ae8da63437 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x58ae8da63437 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x58ae8da22116 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58ae8da22116 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x58ae8da32789 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x58ae8da32789 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x58ae8da32621 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x58ae8d9f6d5e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x58ae8d9f6d5e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x58ae8da32a02 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x58ae8da32a02 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x58ae8da3287a - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x58ae8da2ddc9 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x58ae8da16edd - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x58ae8da6b16c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x58ae8da6b132 - core::panicking::panic::h40aea00c5b72b770
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x58ae8da6a839 - core::option::unwrap_failed::h496213fb77d124e0
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/option.rs:2175:5
[INFO] [stdout]   21:     0x58ae8d9b5cc9 - core::option::Option<T>::unwrap::hfaa5b671a20a6a73
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/option.rs:1016:21
[INFO] [stdout]   22:     0x58ae8d9b5cc9 - lox::interpreter::Interpreter::evaluate_expression::hd3b2692617ab8abf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:477:49
[INFO] [stdout]   23:     0x58ae8d9b6664 - lox::interpreter::Interpreter::evaluate_expression::hd3b2692617ab8abf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:491:35
[INFO] [stdout]   24:     0x58ae8d9bb625 - lox::interpreter::Interpreter::evaluate::ha669bcdbbcd52849
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:261:42
[INFO] [stdout]   25:     0x58ae8d9c484b - lox::test_call_interpreter::h60b912d2ac5a69b0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:425:17
[INFO] [stdout]   26:     0x58ae8d9c40d0 - lox::test_super_class::h5c3ad0ee104811a9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:387:5
[INFO] [stdout]   27:     0x58ae8d9c4117 - lox::test_super_class::{{closure}}::h07ec5006890f6e87
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:366:22
[INFO] [stdout]   28:     0x58ae8d9d3bd6 - core::ops::function::FnOnce::call_once::h78e779c4117b29db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x58ae8d9f6b8b - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x58ae8d9f6b8b - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   31:     0x58ae8da0a51a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   32:     0x58ae8da0a51a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   33:     0x58ae8da0a51a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   34:     0x58ae8da0a51a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   35:     0x58ae8da0a51a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   36:     0x58ae8da0a51a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   37:     0x58ae8da0a51a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   38:     0x58ae8d9e47b4 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   39:     0x58ae8d9e47b4 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   40:     0x58ae8d9e80e2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   41:     0x58ae8d9e80e2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   42:     0x58ae8d9e80e2 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   43:     0x58ae8d9e80e2 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   44:     0x58ae8d9e80e2 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   45:     0x58ae8d9e80e2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   46:     0x58ae8d9e80e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x58ae8da2944f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   48:     0x58ae8da2944f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   49:     0x783c7785caa4 - <unknown>
[INFO] [stdout]   50:     0x783c778e9a64 - clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_super_call
[INFO] [stdout]     test_super_class
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 17 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin lox`
[INFO] running `Command { std: "docker" "inspect" "cf6254c78e401693391126879650788dc43575831e51b54f039bc9528211d469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6254c78e401693391126879650788dc43575831e51b54f039bc9528211d469", kill_on_drop: false }`
[INFO] [stdout] cf6254c78e401693391126879650788dc43575831e51b54f039bc9528211d469
