[INFO] cloning repository https://github.com/therealansh/fxlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/therealansh/fxlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftherealansh%2Ffxlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftherealansh%2Ffxlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 664211f6e551353a517872a10dfe3be089ab511d
[INFO] testing therealansh/fxlang against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftherealansh%2Ffxlang" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/therealansh/fxlang on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/therealansh/fxlang
[INFO] finished tweaking git repo https://github.com/therealansh/fxlang
[INFO] tweaked toml for git repo https://github.com/therealansh/fxlang written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/therealansh/fxlang 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a75317f4002eecf80b36bc768da8f134d012999149e6db6946797d6390a58052
[INFO] running `Command { std: "docker" "start" "-a" "a75317f4002eecf80b36bc768da8f134d012999149e6db6946797d6390a58052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a75317f4002eecf80b36bc768da8f134d012999149e6db6946797d6390a58052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75317f4002eecf80b36bc768da8f134d012999149e6db6946797d6390a58052", kill_on_drop: false }`
[INFO] [stdout] a75317f4002eecf80b36bc768da8f134d012999149e6db6946797d6390a58052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cbc0cf2fa3c594bfa37d399cb5af0700dde54df0737d0dcab5130d5a197da41
[INFO] running `Command { std: "docker" "start" "-a" "2cbc0cf2fa3c594bfa37d399cb5af0700dde54df0737d0dcab5130d5a197da41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling fxlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::frontend::expr::Expr::Literal`
[INFO] [stdout]  --> src/frontend/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::frontend::expr::Expr::Literal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/frontend/parser.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |         else if self.t_match((&[TokenType::Return])) {
[INFO] [stdout]    |                              ^                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -         else if self.t_match((&[TokenType::Return])) {
[INFO] [stdout] 55 +         else if self.t_match(&[TokenType::Return]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frontend/parser.rs:230:11
[INFO] [stdout]     |
[INFO] [stdout] 230 |         if(self.is_at_end()) {
[INFO] [stdout]     |           ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -         if(self.is_at_end()) {
[INFO] [stdout] 230 +         if self.is_at_end() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frontend/parser.rs:245:11
[INFO] [stdout]     |
[INFO] [stdout] 245 |         if(!self.is_at_end()){
[INFO] [stdout]     |           ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -         if(!self.is_at_end()){
[INFO] [stdout] 245 +         if !self.is_at_end() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frontend/parser.rs:467:15
[INFO] [stdout]     |
[INFO] [stdout] 467 |             if(self.previous().token_type==TokenType::Semicolon) { return; }
[INFO] [stdout]     |               ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 467 -             if(self.previous().token_type==TokenType::Semicolon) { return; }
[INFO] [stdout] 467 +             if self.previous().token_type==TokenType::Semicolon { return; }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/frontend/interpreter.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/frontend/fxfx.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::frontend::tokens::{Token, TokenType};
[INFO] [stdout]   |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visitor`
[INFO] [stdout]  --> src/frontend/resolver.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::frontend::expr::{Visitor, Expr, LiteralValue};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser_error`
[INFO] [stdout]  --> src/frontend/resolver.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::frontend::error::{Error, parser_error, report};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/frontend/parser.rs:472:19
[INFO] [stdout]     |
[INFO] [stdout] 472 |                 | TokenType::Var
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee`
[INFO] [stdout]    --> src/frontend/expr.rs:151:35
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_callee`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/frontend/expr.rs:151:50
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]    --> src/frontend/expr.rs:151:65
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stdout]     |                                                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/frontend/expr.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/expr.rs:155:49
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/frontend/expr.rs:159:34
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/expr.rs:159:49
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/frontend/expr.rs:159:63
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stdout]     |                                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]    --> src/frontend/expr.rs:163:36
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]    --> src/frontend/expr.rs:163:53
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]    --> src/frontend/expr.rs:167:35
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn visit_this_expr(&mut self, keyword: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/interpreter.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 body: Box::new(|args:&Vec<FxUnit>|{
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/interpreter.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 body: Box::new(|args:&Vec<FxUnit>|{
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/interpreter.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 body:Box::new(|args:&Vec<FxUnit>|{
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]    --> src/frontend/interpreter.rs:389:37
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn visit_return_stmt(&mut self, keyword: &Token, value: &Option<Expr>) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/frontend/fxfx.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |             FxFx::Native {body, ..} => unreachable!(),
[INFO] [stdout]    |                           ^^^^-
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/frontend/resolver.rs:223:61
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn visit_binary_expr(&mut self, lhs: &Expr, rhs: &Expr, op: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/frontend/resolver.rs:229:50
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<(), Error> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/resolver.rs:237:49
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/resolver.rs:242:49
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<(),Error>{
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]    --> src/frontend/resolver.rs:248:53
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/frontend/resolver.rs:271:38
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn visit_literal_expr(&mut self, val: &LiteralValue) -> Result<(), Error> {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/frontend/resolver.rs:275:62
[INFO] [stdout]     |
[INFO] [stdout] 275 |     fn visit_logical_expr(&mut self, lhs: &Expr, rhs: &Expr, op: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                              ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/frontend/resolver.rs:281:36
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn visit_unary_expr(&mut self, op: &Token, rhs: &Expr) -> Result<(), Error> {
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/frontend/parser.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut expr = self.or_()?;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/frontend/fxfx.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let mut env = Rc::new(RefCell::new(Environment::from(closure)));
[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/frontend/fxfx.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let mut env = Rc::new(RefCell::new(Environment::from(closure)));
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sync` is never used
[INFO] [stdout]    --> src/frontend/parser.rs:464:8
[INFO] [stdout]     |
[INFO] [stdout] 464 |     fn sync(&mut self){
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/parser.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.consume(TokenType::Semicolon, "Expect ';' after variable declaration");
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/parser.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         self.consume(TokenType::LeftParen, "Expect '(' after 'if'.");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/parser.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.consume(TokenType::RightParen,"Expect ')' after if condition");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         self.consume(TokenType::LeftParen, "Expect '(' after 'while'.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.consume(TokenType::RightParen,"Expect ')' after condition.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         self.consume(TokenType::LeftParen, "Expect '(' after 'for'");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         self.consume(TokenType::Semicolon,"Expeect ';' after loop condition");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readNum` should have a snake case name
[INFO] [stdout]   --> src/frontend/interpreter.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let readNum:FxUnit = FxUnit::Callable(
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `read_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readString` should have a snake case name
[INFO] [stdout]   --> src/frontend/interpreter.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let readString:FxUnit = FxUnit::Callable(
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `read_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/interpreter.rs:334:9
[INFO] [stdout]     |
[INFO] [stdout] 334 | /         self.exec_block(
[INFO] [stdout] 335 | |             statements,
[INFO] [stdout] 336 | |             Rc::new(RefCell::new(Environment::from(&self.env))),
[INFO] [stdout] 337 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/interpreter.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         self.env.borrow_mut().assign(name, class);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/resolver.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         stmt.accept(self);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/resolver.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         expr.accept(self);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fxlang::frontend::expr::AstPrinter`
[INFO] [stdout]  --> src/bin/fxlang.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use fxlang::frontend::expr::AstPrinter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]   --> src/bin/fxlang.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::stdin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "2cbc0cf2fa3c594bfa37d399cb5af0700dde54df0737d0dcab5130d5a197da41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbc0cf2fa3c594bfa37d399cb5af0700dde54df0737d0dcab5130d5a197da41", kill_on_drop: false }`
[INFO] [stdout] 2cbc0cf2fa3c594bfa37d399cb5af0700dde54df0737d0dcab5130d5a197da41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b661449dc2dceb058c4df7f15d4bd4cb7aa529f0e2a8c79265f0d3e0c824e51
[INFO] running `Command { std: "docker" "start" "-a" "0b661449dc2dceb058c4df7f15d4bd4cb7aa529f0e2a8c79265f0d3e0c824e51", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::frontend::expr::Expr::Literal`
[INFO] [stdout]  --> src/frontend/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::frontend::expr::Expr::Literal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/frontend/parser.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |         else if self.t_match((&[TokenType::Return])) {
[INFO] [stdout]    |                              ^                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -         else if self.t_match((&[TokenType::Return])) {
[INFO] [stdout] 55 +         else if self.t_match(&[TokenType::Return]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frontend/parser.rs:230:11
[INFO] [stdout]     |
[INFO] [stdout] 230 |         if(self.is_at_end()) {
[INFO] [stdout]     |           ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -         if(self.is_at_end()) {
[INFO] [stdout] 230 +         if self.is_at_end() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frontend/parser.rs:245:11
[INFO] [stdout]     |
[INFO] [stdout] 245 |         if(!self.is_at_end()){
[INFO] [stdout]     |           ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -         if(!self.is_at_end()){
[INFO] [stdout] 245 +         if !self.is_at_end() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frontend/parser.rs:467:15
[INFO] [stdout]     |
[INFO] [stdout] 467 |             if(self.previous().token_type==TokenType::Semicolon) { return; }
[INFO] [stdout]     |               ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 467 -             if(self.previous().token_type==TokenType::Semicolon) { return; }
[INFO] [stdout] 467 +             if self.previous().token_type==TokenType::Semicolon { return; }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/frontend/interpreter.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/frontend/fxfx.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::frontend::tokens::{Token, TokenType};
[INFO] [stdout]   |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visitor`
[INFO] [stdout]  --> src/frontend/resolver.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::frontend::expr::{Visitor, Expr, LiteralValue};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser_error`
[INFO] [stdout]  --> src/frontend/resolver.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::frontend::error::{Error, parser_error, report};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/frontend/parser.rs:472:19
[INFO] [stdout]     |
[INFO] [stdout] 472 |                 | TokenType::Var
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee`
[INFO] [stdout]    --> src/frontend/expr.rs:151:35
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_callee`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/frontend/expr.rs:151:50
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]    --> src/frontend/expr.rs:151:65
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stdout]     |                                                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/frontend/expr.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/expr.rs:155:49
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/frontend/expr.rs:159:34
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/expr.rs:159:49
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/frontend/expr.rs:159:63
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stdout]     |                                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]    --> src/frontend/expr.rs:163:36
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fxlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]    --> src/frontend/expr.rs:163:53
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]    --> src/frontend/expr.rs:167:35
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn visit_this_expr(&mut self, keyword: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/interpreter.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 body: Box::new(|args:&Vec<FxUnit>|{
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/interpreter.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 body: Box::new(|args:&Vec<FxUnit>|{
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/interpreter.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 body:Box::new(|args:&Vec<FxUnit>|{
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]    --> src/frontend/interpreter.rs:389:37
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn visit_return_stmt(&mut self, keyword: &Token, value: &Option<Expr>) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/frontend/fxfx.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |             FxFx::Native {body, ..} => unreachable!(),
[INFO] [stdout]    |                           ^^^^-
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/frontend/resolver.rs:223:61
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn visit_binary_expr(&mut self, lhs: &Expr, rhs: &Expr, op: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/frontend/resolver.rs:229:50
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<(), Error> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/resolver.rs:237:49
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/resolver.rs:242:49
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<(),Error>{
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]    --> src/frontend/resolver.rs:248:53
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/frontend/resolver.rs:271:38
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn visit_literal_expr(&mut self, val: &LiteralValue) -> Result<(), Error> {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/frontend/resolver.rs:275:62
[INFO] [stdout]     |
[INFO] [stdout] 275 |     fn visit_logical_expr(&mut self, lhs: &Expr, rhs: &Expr, op: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                              ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/frontend/resolver.rs:281:36
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn visit_unary_expr(&mut self, op: &Token, rhs: &Expr) -> Result<(), Error> {
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/frontend/parser.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut expr = self.or_()?;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/frontend/fxfx.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let mut env = Rc::new(RefCell::new(Environment::from(closure)));
[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/frontend/fxfx.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let mut env = Rc::new(RefCell::new(Environment::from(closure)));
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sync` is never used
[INFO] [stdout]    --> src/frontend/parser.rs:464:8
[INFO] [stdout]     |
[INFO] [stdout] 464 |     fn sync(&mut self){
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/parser.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.consume(TokenType::Semicolon, "Expect ';' after variable declaration");
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/parser.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         self.consume(TokenType::LeftParen, "Expect '(' after 'if'.");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/parser.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.consume(TokenType::RightParen,"Expect ')' after if condition");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         self.consume(TokenType::LeftParen, "Expect '(' after 'while'.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.consume(TokenType::RightParen,"Expect ')' after condition.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         self.consume(TokenType::LeftParen, "Expect '(' after 'for'");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         self.consume(TokenType::Semicolon,"Expeect ';' after loop condition");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readNum` should have a snake case name
[INFO] [stdout]   --> src/frontend/interpreter.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let readNum:FxUnit = FxUnit::Callable(
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `read_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readString` should have a snake case name
[INFO] [stdout]   --> src/frontend/interpreter.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let readString:FxUnit = FxUnit::Callable(
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `read_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/interpreter.rs:334:9
[INFO] [stdout]     |
[INFO] [stdout] 334 | /         self.exec_block(
[INFO] [stdout] 335 | |             statements,
[INFO] [stdout] 336 | |             Rc::new(RefCell::new(Environment::from(&self.env))),
[INFO] [stdout] 337 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/interpreter.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         self.env.borrow_mut().assign(name, class);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/resolver.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         stmt.accept(self);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/resolver.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         expr.accept(self);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fxlang::frontend::expr::AstPrinter`
[INFO] [stdout]  --> src/bin/fxlang.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use fxlang::frontend::expr::AstPrinter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]   --> src/bin/fxlang.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::stdin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::frontend::expr::Expr::Literal`
[INFO] [stdout]  --> src/frontend/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::frontend::expr::Expr::Literal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/frontend/parser.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |         else if self.t_match((&[TokenType::Return])) {
[INFO] [stdout]    |                              ^                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -         else if self.t_match((&[TokenType::Return])) {
[INFO] [stdout] 55 +         else if self.t_match(&[TokenType::Return]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frontend/parser.rs:230:11
[INFO] [stdout]     |
[INFO] [stdout] 230 |         if(self.is_at_end()) {
[INFO] [stdout]     |           ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -         if(self.is_at_end()) {
[INFO] [stdout] 230 +         if self.is_at_end() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frontend/parser.rs:245:11
[INFO] [stdout]     |
[INFO] [stdout] 245 |         if(!self.is_at_end()){
[INFO] [stdout]     |           ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -         if(!self.is_at_end()){
[INFO] [stdout] 245 +         if !self.is_at_end() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frontend/parser.rs:467:15
[INFO] [stdout]     |
[INFO] [stdout] 467 |             if(self.previous().token_type==TokenType::Semicolon) { return; }
[INFO] [stdout]     |               ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 467 -             if(self.previous().token_type==TokenType::Semicolon) { return; }
[INFO] [stdout] 467 +             if self.previous().token_type==TokenType::Semicolon { return; }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/frontend/interpreter.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/frontend/fxfx.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::frontend::tokens::{Token, TokenType};
[INFO] [stdout]   |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visitor`
[INFO] [stdout]  --> src/frontend/resolver.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::frontend::expr::{Visitor, Expr, LiteralValue};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser_error`
[INFO] [stdout]  --> src/frontend/resolver.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::frontend::error::{Error, parser_error, report};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/frontend/parser.rs:472:19
[INFO] [stdout]     |
[INFO] [stdout] 472 |                 | TokenType::Var
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee`
[INFO] [stdout]    --> src/frontend/expr.rs:151:35
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_callee`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/frontend/expr.rs:151:50
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]    --> src/frontend/expr.rs:151:65
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stdout]     |                                                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/frontend/expr.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/expr.rs:155:49
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/frontend/expr.rs:159:34
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/expr.rs:159:49
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/frontend/expr.rs:159:63
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stdout]     |                                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]    --> src/frontend/expr.rs:163:36
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]    --> src/frontend/expr.rs:163:53
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]    --> src/frontend/expr.rs:167:35
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn visit_this_expr(&mut self, keyword: &Token) -> Result<String, Error> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/interpreter.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 body: Box::new(|args:&Vec<FxUnit>|{
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/interpreter.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 body: Box::new(|args:&Vec<FxUnit>|{
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/interpreter.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 body:Box::new(|args:&Vec<FxUnit>|{
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]    --> src/frontend/interpreter.rs:389:37
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn visit_return_stmt(&mut self, keyword: &Token, value: &Option<Expr>) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/frontend/fxfx.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |             FxFx::Native {body, ..} => unreachable!(),
[INFO] [stdout]    |                           ^^^^-
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/frontend/resolver.rs:223:61
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn visit_binary_expr(&mut self, lhs: &Expr, rhs: &Expr, op: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/frontend/resolver.rs:229:50
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<(), Error> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/resolver.rs:237:49
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/frontend/resolver.rs:242:49
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<(),Error>{
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]    --> src/frontend/resolver.rs:248:53
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/frontend/resolver.rs:271:38
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn visit_literal_expr(&mut self, val: &LiteralValue) -> Result<(), Error> {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/frontend/resolver.rs:275:62
[INFO] [stdout]     |
[INFO] [stdout] 275 |     fn visit_logical_expr(&mut self, lhs: &Expr, rhs: &Expr, op: &Token) -> Result<(), Error> {
[INFO] [stdout]     |                                                              ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/frontend/resolver.rs:281:36
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn visit_unary_expr(&mut self, op: &Token, rhs: &Expr) -> Result<(), Error> {
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/frontend/parser.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut expr = self.or_()?;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/frontend/fxfx.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let mut env = Rc::new(RefCell::new(Environment::from(closure)));
[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/frontend/fxfx.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let mut env = Rc::new(RefCell::new(Environment::from(closure)));
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sync` is never used
[INFO] [stdout]    --> src/frontend/parser.rs:464:8
[INFO] [stdout]     |
[INFO] [stdout] 464 |     fn sync(&mut self){
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/parser.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.consume(TokenType::Semicolon, "Expect ';' after variable declaration");
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/parser.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         self.consume(TokenType::LeftParen, "Expect '(' after 'if'.");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/parser.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.consume(TokenType::RightParen,"Expect ')' after if condition");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         self.consume(TokenType::LeftParen, "Expect '(' after 'while'.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.consume(TokenType::RightParen,"Expect ')' after condition.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         self.consume(TokenType::LeftParen, "Expect '(' after 'for'");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/parser.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         self.consume(TokenType::Semicolon,"Expeect ';' after loop condition");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readNum` should have a snake case name
[INFO] [stdout]   --> src/frontend/interpreter.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let readNum:FxUnit = FxUnit::Callable(
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `read_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readString` should have a snake case name
[INFO] [stdout]   --> src/frontend/interpreter.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let readString:FxUnit = FxUnit::Callable(
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `read_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/interpreter.rs:334:9
[INFO] [stdout]     |
[INFO] [stdout] 334 | /         self.exec_block(
[INFO] [stdout] 335 | |             statements,
[INFO] [stdout] 336 | |             Rc::new(RefCell::new(Environment::from(&self.env))),
[INFO] [stdout] 337 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/frontend/interpreter.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         self.env.borrow_mut().assign(name, class);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/resolver.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         stmt.accept(self);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend/resolver.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         expr.accept(self);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "0b661449dc2dceb058c4df7f15d4bd4cb7aa529f0e2a8c79265f0d3e0c824e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b661449dc2dceb058c4df7f15d4bd4cb7aa529f0e2a8c79265f0d3e0c824e51", kill_on_drop: false }`
[INFO] [stdout] 0b661449dc2dceb058c4df7f15d4bd4cb7aa529f0e2a8c79265f0d3e0c824e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c54d8fd356fc2feefcfe7b6da265862a756b264c1a28979858f32faab89171e6
[INFO] running `Command { std: "docker" "start" "-a" "c54d8fd356fc2feefcfe7b6da265862a756b264c1a28979858f32faab89171e6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::frontend::expr::Expr::Literal`
[INFO] [stderr]  --> src/frontend/parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::frontend::expr::Expr::Literal;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/frontend/parser.rs:55:30
[INFO] [stderr]    |
[INFO] [stderr] 55 |         else if self.t_match((&[TokenType::Return])) {
[INFO] [stderr]    |                              ^                    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 55 -         else if self.t_match((&[TokenType::Return])) {
[INFO] [stderr] 55 +         else if self.t_match(&[TokenType::Return]) {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/frontend/parser.rs:230:11
[INFO] [stderr]     |
[INFO] [stderr] 230 |         if(self.is_at_end()) {
[INFO] [stderr]     |           ^                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 230 -         if(self.is_at_end()) {
[INFO] [stderr] 230 +         if self.is_at_end() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/frontend/parser.rs:245:11
[INFO] [stderr]     |
[INFO] [stderr] 245 |         if(!self.is_at_end()){
[INFO] [stderr]     |           ^                 ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 245 -         if(!self.is_at_end()){
[INFO] [stderr] 245 +         if !self.is_at_end() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/frontend/parser.rs:467:15
[INFO] [stderr]     |
[INFO] [stderr] 467 |             if(self.previous().token_type==TokenType::Semicolon) { return; }
[INFO] [stderr]     |               ^                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 467 -             if(self.previous().token_type==TokenType::Semicolon) { return; }
[INFO] [stderr] 467 +             if self.previous().token_type==TokenType::Semicolon { return; }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/frontend/interpreter.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TokenType`
[INFO] [stderr]  --> src/frontend/fxfx.rs:2:38
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::frontend::tokens::{Token, TokenType};
[INFO] [stderr]   |                                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Visitor`
[INFO] [stderr]  --> src/frontend/resolver.rs:2:29
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::frontend::expr::{Visitor, Expr, LiteralValue};
[INFO] [stderr]   |                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parser_error`
[INFO] [stderr]  --> src/frontend/resolver.rs:4:37
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::frontend::error::{Error, parser_error, report};
[INFO] [stderr]   |                                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/frontend/parser.rs:472:19
[INFO] [stderr]     |
[INFO] [stderr] 472 |                 | TokenType::Var
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `callee`
[INFO] [stderr]    --> src/frontend/expr.rs:151:35
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stderr]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_callee`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `paren`
[INFO] [stderr]    --> src/frontend/expr.rs:151:50
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stderr]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arguments`
[INFO] [stderr]    --> src/frontend/expr.rs:151:65
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<String, Error> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `object`
[INFO] [stderr]    --> src/frontend/expr.rs:155:34
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<String, Error> {
[INFO] [stderr]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/frontend/expr.rs:155:49
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<String, Error> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `object`
[INFO] [stderr]    --> src/frontend/expr.rs:159:34
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stderr]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/frontend/expr.rs:159:49
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/frontend/expr.rs:159:63
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<String, Error> {
[INFO] [stderr]     |                                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keyword`
[INFO] [stderr]    --> src/frontend/expr.rs:163:36
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<String, Error> {
[INFO] [stderr]     |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]    --> src/frontend/expr.rs:163:53
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<String, Error> {
[INFO] [stderr]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keyword`
[INFO] [stderr]    --> src/frontend/expr.rs:167:35
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn visit_this_expr(&mut self, keyword: &Token) -> Result<String, Error> {
[INFO] [stderr]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/frontend/interpreter.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 body: Box::new(|args:&Vec<FxUnit>|{
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/frontend/interpreter.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 body: Box::new(|args:&Vec<FxUnit>|{
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/frontend/interpreter.rs:61:32
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 body:Box::new(|args:&Vec<FxUnit>|{
[INFO] [stderr]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keyword`
[INFO] [stderr]    --> src/frontend/interpreter.rs:389:37
[INFO] [stderr]     |
[INFO] [stderr] 389 |     fn visit_return_stmt(&mut self, keyword: &Token, value: &Option<Expr>) -> Result<(), Error> {
[INFO] [stderr]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]   --> src/frontend/fxfx.rs:67:27
[INFO] [stderr]    |
[INFO] [stderr] 67 |             FxFx::Native {body, ..} => unreachable!(),
[INFO] [stderr]    |                           ^^^^-
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: try removing the field
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/frontend/resolver.rs:223:61
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn visit_binary_expr(&mut self, lhs: &Expr, rhs: &Expr, op: &Token) -> Result<(), Error> {
[INFO] [stderr]     |                                                             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `paren`
[INFO] [stderr]    --> src/frontend/resolver.rs:229:50
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn visit_call_expr(&mut self, callee: &Expr, paren: &Token, arguments: &Vec<Expr>) -> Result<(), Error> {
[INFO] [stderr]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/frontend/resolver.rs:237:49
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn visit_get_expr(&mut self, object: &Expr, name: &Token) -> Result<(), Error> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/frontend/resolver.rs:242:49
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn visit_set_expr(&mut self, object: &Expr, name: &Token, value: &Expr) -> Result<(),Error>{
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]    --> src/frontend/resolver.rs:248:53
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn visit_super_expr(&mut self, keyword: &Token, method: &Token) -> Result<(), Error> {
[INFO] [stderr]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/frontend/resolver.rs:271:38
[INFO] [stderr]     |
[INFO] [stderr] 271 |     fn visit_literal_expr(&mut self, val: &LiteralValue) -> Result<(), Error> {
[INFO] [stderr]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/frontend/resolver.rs:275:62
[INFO] [stderr]     |
[INFO] [stderr] 275 |     fn visit_logical_expr(&mut self, lhs: &Expr, rhs: &Expr, op: &Token) -> Result<(), Error> {
[INFO] [stderr]     |                                                              ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/frontend/resolver.rs:281:36
[INFO] [stderr]     |
[INFO] [stderr] 281 |     fn visit_unary_expr(&mut self, op: &Token, rhs: &Expr) -> Result<(), Error> {
[INFO] [stderr]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/frontend/parser.rs:260:13
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let mut expr = self.or_()?;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/frontend/fxfx.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 let mut env = Rc::new(RefCell::new(Environment::from(closure)));
[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/frontend/fxfx.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let mut env = Rc::new(RefCell::new(Environment::from(closure)));
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method `sync` is never used
[INFO] [stderr]    --> src/frontend/parser.rs:464:8
[INFO] [stderr]     |
[INFO] [stderr] 464 |     fn sync(&mut self){
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/frontend/parser.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         self.consume(TokenType::Semicolon, "Expect ';' after variable declaration");
[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] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/frontend/parser.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         self.consume(TokenType::LeftParen, "Expect '(' after 'if'.");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/frontend/parser.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         self.consume(TokenType::RightParen,"Expect ')' after if condition");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/frontend/parser.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         self.consume(TokenType::LeftParen, "Expect '(' after 'while'.");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/frontend/parser.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         self.consume(TokenType::RightParen,"Expect ')' after condition.");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/frontend/parser.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         self.consume(TokenType::LeftParen, "Expect '(' after 'for'");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/frontend/parser.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         self.consume(TokenType::Semicolon,"Expeect ';' after loop condition");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `readNum` should have a snake case name
[INFO] [stderr]   --> src/frontend/interpreter.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let readNum:FxUnit = FxUnit::Callable(
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `read_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `readString` should have a snake case name
[INFO] [stderr]   --> src/frontend/interpreter.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let readString:FxUnit = FxUnit::Callable(
[INFO] [stderr]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `read_string`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/frontend/interpreter.rs:334:9
[INFO] [stderr]     |
[INFO] [stderr] 334 | /         self.exec_block(
[INFO] [stderr] 335 | |             statements,
[INFO] [stderr] 336 | |             Rc::new(RefCell::new(Environment::from(&self.env))),
[INFO] [stderr] 337 | |         );
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/frontend/interpreter.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 |         self.env.borrow_mut().assign(name, class);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/frontend/resolver.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         stmt.accept(self);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/frontend/resolver.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         expr.accept(self);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `fxlang` (lib) generated 51 warnings (run `cargo fix --lib -p fxlang` to apply 36 suggestions)
[INFO] [stderr] warning: `fxlang` (lib test) generated 51 warnings (51 duplicates)
[INFO] [stderr] warning: unused import: `fxlang::frontend::expr::AstPrinter`
[INFO] [stderr]  --> src/bin/fxlang.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use fxlang::frontend::expr::AstPrinter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]   --> src/bin/fxlang.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::stdin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fxlang` (bin "fxlang" test) generated 2 warnings (run `cargo fix --bin "fxlang" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fxlang-ec8e14056af89c4c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test frontend::expr::tests::default_test ... ok
[INFO] [stdout] test frontend::lexer::tests::default_test ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- frontend::lexer::tests::default_test stdout ----
[INFO] [stdout] thread 'frontend::lexer::tests::default_test' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `4`,
[INFO] [stdout]  right: `5`', src/frontend/lexer.rs:217:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558638a4633a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x558638a4633a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558638a4633a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x558638a4633a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x558638a6b09e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x558638a437b5 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x558638a46105 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x558638a46105 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x558638a47ecf - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x558638a47b8f - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x558638a1a8a7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x558638a1a8a7 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x558638a485fd - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x558638a485fd - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x558638a48379 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x558638a467a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x558638a48082 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x5586389cdb83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x5586389cde5f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   19:     0x5586389df5fa - core::panicking::assert_failed::h2ca329661feef53b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:211:5
[INFO] [stdout]   20:     0x5586389d6ce2 - fxlang::frontend::lexer::tests::default_test::h5040e9cb7d6e2630
[INFO] [stdout]                                at /opt/rustwide/workdir/src/frontend/lexer.rs:217:9
[INFO] [stdout]   21:     0x5586389d6727 - fxlang::frontend::lexer::tests::default_test::{{closure}}::h7cd937a81f05f400
[INFO] [stdout]                                at /opt/rustwide/workdir/src/frontend/lexer.rs:206:23
[INFO] [stdout]   22:     0x5586389e81f5 - core::ops::function::FnOnce::call_once::h36bac7f82be51c88
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x558638a1fc8f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x558638a1fc8f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   25:     0x5586389f12ac - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   26:     0x5586389f12ac - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x558638a1ec56 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   28:     0x558638a1ec56 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x558638a1ec56 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   30:     0x558638a1ec56 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   31:     0x558638a1ec56 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x558638a1ec56 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   33:     0x558638a1ec56 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   34:     0x5586389eb921 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   35:     0x5586389eb921 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x5586389f133b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   37:     0x5586389f133b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x5586389f133b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   39:     0x5586389f133b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   40:     0x5586389f133b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x5586389f133b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x5586389f133b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x558638a4c963 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   44:     0x558638a4c963 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   45:     0x558638a4c963 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f71833bbb43 - <unknown>
[INFO] [stdout]   47:     0x7f718344cbb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     frontend::lexer::tests::default_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c54d8fd356fc2feefcfe7b6da265862a756b264c1a28979858f32faab89171e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54d8fd356fc2feefcfe7b6da265862a756b264c1a28979858f32faab89171e6", kill_on_drop: false }`
[INFO] [stdout] c54d8fd356fc2feefcfe7b6da265862a756b264c1a28979858f32faab89171e6
