[INFO] cloning repository https://github.com/dovakin0007/Lox_clone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dovakin0007/Lox_clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovakin0007%2FLox_clone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovakin0007%2FLox_clone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fad5236acead3b713ebff5e6b80bf3cba9031f78
[INFO] checking dovakin0007/Lox_clone/fad5236acead3b713ebff5e6b80bf3cba9031f78 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovakin0007%2FLox_clone" "/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/dovakin0007/Lox_clone on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dovakin0007/Lox_clone
[INFO] finished tweaking git repo https://github.com/dovakin0007/Lox_clone
[INFO] tweaked toml for git repo https://github.com/dovakin0007/Lox_clone written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dovakin0007/Lox_clone already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bfd5d80525ed57a72fe8d5ab87dcf56d0c77cf908a724447d6d47731802ba69
[INFO] running `Command { std: "docker" "start" "-a" "2bfd5d80525ed57a72fe8d5ab87dcf56d0c77cf908a724447d6d47731802ba69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bfd5d80525ed57a72fe8d5ab87dcf56d0c77cf908a724447d6d47731802ba69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfd5d80525ed57a72fe8d5ab87dcf56d0c77cf908a724447d6d47731802ba69", kill_on_drop: false }`
[INFO] [stdout] 2bfd5d80525ed57a72fe8d5ab87dcf56d0c77cf908a724447d6d47731802ba69
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da9b8b0b02cf83ee737834040ba74aa070b5c50351528f62d3eedc06c1d27182
[INFO] running `Command { std: "docker" "start" "-a" "da9b8b0b02cf83ee737834040ba74aa070b5c50351528f62d3eedc06c1d27182", kill_on_drop: false }`
[INFO] [stderr]     Checking Lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/astprinter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/astprinter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/astprinter.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::token::{Token, TokenType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::ErrorKind::Other`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::ErrorKind::Other;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interpreter::Types`
[INFO] [stdout]  --> src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::interpreter::Types;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `False` and `Return`
[INFO] [stdout]  --> src/parser.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::token::TokenType::{False, LeftParen, Return, RightParen, SemiColon, True};
[INFO] [stdout]   |                               ^^^^^             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/parser.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |         while(self.peek().unwrap().t_type != TokenType::EOF){
[INFO] [stdout]    |              ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         while(self.peek().unwrap().t_type != TokenType::EOF){
[INFO] [stdout] 47 +         while self.peek().unwrap().t_type != TokenType::EOF {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/astprinter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/astprinter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::ErrorKind::Other`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::ErrorKind::Other;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interpreter::Types`
[INFO] [stdout]  --> src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::interpreter::Types;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `False` and `Return`
[INFO] [stdout]  --> src/parser.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::token::TokenType::{False, LeftParen, Return, RightParen, SemiColon, True};
[INFO] [stdout]   |                               ^^^^^             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/parser.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |         while(self.peek().unwrap().t_type != TokenType::EOF){
[INFO] [stdout]    |              ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         while(self.peek().unwrap().t_type != TokenType::EOF){
[INFO] [stdout] 47 +         while self.peek().unwrap().t_type != TokenType::EOF {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/parser.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |     };
[INFO] [stdout]    |      ^
[INFO] [stdout] ...
[INFO] [stdout] 84 |                 if !matches!(self, TokenType::Comma) {
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `matches` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/parser.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |     };
[INFO] [stdout]    |      ^
[INFO] [stdout] ...
[INFO] [stdout] 84 |                 if !matches!(self, TokenType::Comma) {
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `matches` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:24:6
[INFO] [stdout]     |
[INFO] [stdout] 24  |     };
[INFO] [stdout]     |      ^
[INFO] [stdout] ...
[INFO] [stdout] 420 |                 if !matches!(self, TokenType::Comma){
[INFO] [stdout]     |                     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `matches` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:24:6
[INFO] [stdout]     |
[INFO] [stdout] 24  |     };
[INFO] [stdout]     |      ^
[INFO] [stdout] ...
[INFO] [stdout] 420 |                 if !matches!(self, TokenType::Comma){
[INFO] [stdout]     |                     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `matches` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::E`
[INFO] [stdout]  --> src/environment.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::f64::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/error.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Debug, Formatter, write};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/function.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]    --> src/parser.rs:543:9
[INFO] [stdout]     |
[INFO] [stdout] 543 |     use log::debug;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use log::debug;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::E`
[INFO] [stdout]  --> src/environment.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::f64::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]   --> src/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::ast::{Expr, Stmt};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/error.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Debug, Formatter, write};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/function.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use log::debug;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]   --> src/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::ast::{Expr, Stmt};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]   --> src/astprinter.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Expr::Call {ref callee, ref paren, ref arguments ,..} =>{
[INFO] [stdout]    |                                     ^^^^^^^^^-
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: try removing the field
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/astprinter.rs:79:101
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...nt {:?})", statements.iter().map(|x| self.visit_statement(s)).collect::<String>()),
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 |        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: unused variable: `args`
[INFO] [stdout]   --> src/interpreter.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |             body: Box::new(|args: &Vec<Types>| {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]   --> src/astprinter.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Expr::Call {ref callee, ref paren, ref arguments ,..} =>{
[INFO] [stdout]    |                                     ^^^^^^^^^-
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: try removing the field
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Token`
[INFO] [stdout]    --> src/interpreter.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 |             &Stmt::Return(ref Token, ref expr) => {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/astprinter.rs:79:101
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...nt {:?})", statements.iter().map(|x| self.visit_statement(s)).collect::<String>()),
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 |        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: unused variable: `op`
[INFO] [stdout]    --> src/resolver.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |             &Expr::Binary {ref left, ref op, ref right}=>{
[INFO] [stdout]     |                                      ^^^^^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/resolver.rs:114:38
[INFO] [stdout]     |
[INFO] [stdout] 114 |             &Expr::Call {ref callee, ref paren, ref arguments}=>{
[INFO] [stdout]     |                                      ^^^^^^^^^ help: try ignoring the field: `paren: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/resolver.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |             &Expr::Literal {ref token} => {
[INFO] [stdout]     |                             ^^^^^^^^^ help: try ignoring the field: `token: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/resolver.rs:130:39
[INFO] [stdout]     |
[INFO] [stdout] 130 |             &Expr::Logical {ref left, ref op, ref right}=>{
[INFO] [stdout]     |                                       ^^^^^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/resolver.rs:135:27
[INFO] [stdout]     |
[INFO] [stdout] 135 |             &Expr::Unary {ref op, ref expr} => {
[INFO] [stdout]     |                           ^^^^^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/parser.rs:996:46
[INFO] [stdout]     |
[INFO] [stdout] 996 |                 Stmt::Function(name, params, body) => {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/astprinter.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AstPrinter {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 15 |     fn new() -> Self{
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/error.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     RunTime{
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 26 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_initializer` is never read
[INFO] [stdout]   --> src/function.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct UserFunction {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub is_initializer: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/interpreter.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |             body: Box::new(|args: &Vec<Types>| {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Token`
[INFO] [stdout]    --> src/interpreter.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 |             &Stmt::Return(ref Token, ref expr) => {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     interpreter.interpret(statements);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let _ = interpreter.interpret(statements);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |             &Stmt::Expr(ref Expr) => {
[INFO] [stdout]     |                             ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Token` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 |             &Stmt::Return(ref Token, ref expr) => {
[INFO] [stdout]     |                               ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 148 |             &Stmt::IfStmt(ref Expr, ref then, ref else_option) => {
[INFO] [stdout]     |                               ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:159:25
[INFO] [stdout]     |
[INFO] [stdout] 159 |             Stmt::Print(Expr) => {
[INFO] [stdout]     |                         ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Token` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:165:34
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Stmt::VarDeclaration(Token, Expr) => match Expr {
[INFO] [stdout]     |                                  ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:165:41
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Stmt::VarDeclaration(Token, Expr) => match Expr {
[INFO] [stdout]     |                                         ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:182:29
[INFO] [stdout]     |
[INFO] [stdout] 182 |             Stmt::While(ref Expr, ref Stmt) => {
[INFO] [stdout]     |                             ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Stmt` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:182:39
[INFO] [stdout]     |
[INFO] [stdout] 182 |             Stmt::While(ref Expr, ref Stmt) => {
[INFO] [stdout]     |                                       ^^^^ help: convert the identifier to snake case (notice the capitalization): `stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:369:18
[INFO] [stdout]     |
[INFO] [stdout] 369 |                  self.environment.get(name);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 369 |                  let _ = self.environment.get(name);
[INFO] [stdout]     |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/resolver.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |             &Expr::Binary {ref left, ref op, ref right}=>{
[INFO] [stdout]     |                                      ^^^^^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/resolver.rs:114:38
[INFO] [stdout]     |
[INFO] [stdout] 114 |             &Expr::Call {ref callee, ref paren, ref arguments}=>{
[INFO] [stdout]     |                                      ^^^^^^^^^ help: try ignoring the field: `paren: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/resolver.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |             &Expr::Literal {ref token} => {
[INFO] [stdout]     |                             ^^^^^^^^^ help: try ignoring the field: `token: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/resolver.rs:130:39
[INFO] [stdout]     |
[INFO] [stdout] 130 |             &Expr::Logical {ref left, ref op, ref right}=>{
[INFO] [stdout]     |                                       ^^^^^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/resolver.rs:135:27
[INFO] [stdout]     |
[INFO] [stdout] 135 |             &Expr::Unary {ref op, ref expr} => {
[INFO] [stdout]     |                           ^^^^^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/error.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     RunTime{
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 26 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_initializer` is never read
[INFO] [stdout]   --> src/function.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct UserFunction {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub is_initializer: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     interpreter.interpret(statements);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let _ = interpreter.interpret(statements);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |             &Stmt::Expr(ref Expr) => {
[INFO] [stdout]     |                             ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Token` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 |             &Stmt::Return(ref Token, ref expr) => {
[INFO] [stdout]     |                               ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 148 |             &Stmt::IfStmt(ref Expr, ref then, ref else_option) => {
[INFO] [stdout]     |                               ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:159:25
[INFO] [stdout]     |
[INFO] [stdout] 159 |             Stmt::Print(Expr) => {
[INFO] [stdout]     |                         ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Token` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:165:34
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Stmt::VarDeclaration(Token, Expr) => match Expr {
[INFO] [stdout]     |                                  ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:165:41
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Stmt::VarDeclaration(Token, Expr) => match Expr {
[INFO] [stdout]     |                                         ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:182:29
[INFO] [stdout]     |
[INFO] [stdout] 182 |             Stmt::While(ref Expr, ref Stmt) => {
[INFO] [stdout]     |                             ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Stmt` should have a snake case name
[INFO] [stdout]    --> src/interpreter.rs:182:39
[INFO] [stdout]     |
[INFO] [stdout] 182 |             Stmt::While(ref Expr, ref Stmt) => {
[INFO] [stdout]     |                                       ^^^^ help: convert the identifier to snake case (notice the capitalization): `stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:369:18
[INFO] [stdout]     |
[INFO] [stdout] 369 |                  self.environment.get(name);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 369 |                  let _ = self.environment.get(name);
[INFO] [stdout]     |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: Lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "da9b8b0b02cf83ee737834040ba74aa070b5c50351528f62d3eedc06c1d27182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9b8b0b02cf83ee737834040ba74aa070b5c50351528f62d3eedc06c1d27182", kill_on_drop: false }`
[INFO] [stdout] da9b8b0b02cf83ee737834040ba74aa070b5c50351528f62d3eedc06c1d27182