[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] 6e4e58a0cd4a856218540138f70211697d9756ec
[INFO] checking dovakin0007/Lox_clone against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovakin0007%2FLox_clone" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dovakin0007/Lox_clone on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e51452b58f60faf3ac1997148903ff329186d30df65773502f6f00a4937a2104
[INFO] running `Command { std: "docker" "start" "-a" "e51452b58f60faf3ac1997148903ff329186d30df65773502f6f00a4937a2104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e51452b58f60faf3ac1997148903ff329186d30df65773502f6f00a4937a2104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51452b58f60faf3ac1997148903ff329186d30df65773502f6f00a4937a2104", kill_on_drop: false }`
[INFO] [stdout] e51452b58f60faf3ac1997148903ff329186d30df65773502f6f00a4937a2104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d862cfb906f2d6d3a63dc6f5f1a7ba6f160ac2a869353fc437b08ffafa69d5ab
[INFO] running `Command { std: "docker" "start" "-a" "d862cfb906f2d6d3a63dc6f5f1a7ba6f160ac2a869353fc437b08ffafa69d5ab", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.21
[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`, `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: `crate::interpreter::Types`
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::interpreter::Types;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `False`
[INFO] [stdout]  --> src/parser.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::token::TokenType::{False, LeftParen, RightParen, True};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/parser.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         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] 28 -         while(self.peek().unwrap().t_type != TokenType::EOF){
[INFO] [stdout] 28 +         while self.peek().unwrap().t_type != TokenType::EOF {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/interpreter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::Parser`
[INFO] [stdout]  --> src/interpreter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::parser::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/interpreter.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::error::{Error, error};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/interpreter.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::token::{Token, TokenType};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token`
[INFO] [stdout]  --> src/environment.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::token;
[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/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::debug;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::ast::{Expr, Stmt};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/scanner.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     use String;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `String` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[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] 
[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: `crate::interpreter::Types`
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::interpreter::Types;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `False`
[INFO] [stdout]  --> src/parser.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::token::TokenType::{False, LeftParen, RightParen, True};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/parser.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         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] 28 -         while(self.peek().unwrap().t_type != TokenType::EOF){
[INFO] [stdout] 28 +         while self.peek().unwrap().t_type != TokenType::EOF {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]    --> src/parser.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |     use log::debug;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/interpreter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/interpreter.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::error::{Error, error};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token`
[INFO] [stdout]  --> src/environment.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::token;
[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/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::debug;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::ast::{Expr, Stmt};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/astprinter.rs:74:101
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...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]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |        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: 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: type alias `Env` is never used
[INFO] [stdout]   --> src/environment.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Env = Rc<RefCell<HashMap<String, Option<Types>>>>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/error.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     RunTime{
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 25 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     interpreter.interpret(expressions);
[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] 97 |     let _ = interpreter.interpret(expressions);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]   --> src/interpreter.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |             &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 `Expr` should have a snake case name
[INFO] [stdout]   --> src/interpreter.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |             &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:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |             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:102:34
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Stmt::VarDeclaration(Token,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:102:40
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Stmt::VarDeclaration(Token,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:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |             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:123:39
[INFO] [stdout]     |
[INFO] [stdout] 123 |             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: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/astprinter.rs:74:101
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...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]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |        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: type alias `Env` is never used
[INFO] [stdout]   --> src/environment.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Env = Rc<RefCell<HashMap<String, Option<Types>>>>;
[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:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     RunTime{
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 25 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     interpreter.interpret(expressions);
[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] 97 |     let _ = interpreter.interpret(expressions);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]   --> src/interpreter.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |             &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 `Expr` should have a snake case name
[INFO] [stdout]   --> src/interpreter.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |             &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:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |             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:102:34
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Stmt::VarDeclaration(Token,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:102:40
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Stmt::VarDeclaration(Token,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:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |             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:123:39
[INFO] [stdout]     |
[INFO] [stdout] 123 |             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:567:9
[INFO] [stdout]     |
[INFO] [stdout] 567 |         interpreter.interpret(statements);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let _ = interpreter.interpret(statements);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "d862cfb906f2d6d3a63dc6f5f1a7ba6f160ac2a869353fc437b08ffafa69d5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d862cfb906f2d6d3a63dc6f5f1a7ba6f160ac2a869353fc437b08ffafa69d5ab", kill_on_drop: false }`
[INFO] [stdout] d862cfb906f2d6d3a63dc6f5f1a7ba6f160ac2a869353fc437b08ffafa69d5ab
[INFO] checking dovakin0007/Lox_clone against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovakin0007%2FLox_clone" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dovakin0007/Lox_clone on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3c1d42443757febca22d7caea95b9602d98b9a54ea7b5e9eb0c3f5048712dac
[INFO] running `Command { std: "docker" "start" "-a" "c3c1d42443757febca22d7caea95b9602d98b9a54ea7b5e9eb0c3f5048712dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3c1d42443757febca22d7caea95b9602d98b9a54ea7b5e9eb0c3f5048712dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c1d42443757febca22d7caea95b9602d98b9a54ea7b5e9eb0c3f5048712dac", kill_on_drop: false }`
[INFO] [stdout] c3c1d42443757febca22d7caea95b9602d98b9a54ea7b5e9eb0c3f5048712dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2886dd836a4bbc622b65fa385f00d7add073ff85dccacf3182a0a20c815d6c86
[INFO] running `Command { std: "docker" "start" "-a" "2886dd836a4bbc622b65fa385f00d7add073ff85dccacf3182a0a20c815d6c86", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.21
[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`, `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: `crate::interpreter::Types`
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::interpreter::Types;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `False`
[INFO] [stdout]  --> src/parser.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::token::TokenType::{False, LeftParen, RightParen, True};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/parser.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         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] 28 -         while(self.peek().unwrap().t_type != TokenType::EOF){
[INFO] [stdout] 28 +         while self.peek().unwrap().t_type != TokenType::EOF {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/interpreter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::Parser`
[INFO] [stdout]  --> src/interpreter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::parser::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/interpreter.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::error::{Error, error};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/interpreter.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::token::{Token, TokenType};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token`
[INFO] [stdout]  --> src/environment.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::token;
[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/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::debug;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::ast::{Expr, Stmt};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/scanner.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     use String;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]    --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `String` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[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] 
[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: `crate::interpreter::Types`
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::interpreter::Types;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `False`
[INFO] [stdout]  --> src/parser.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::token::TokenType::{False, LeftParen, RightParen, True};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/parser.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         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] 28 -         while(self.peek().unwrap().t_type != TokenType::EOF){
[INFO] [stdout] 28 +         while self.peek().unwrap().t_type != TokenType::EOF {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]    --> src/parser.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |     use log::debug;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/interpreter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/interpreter.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::error::{Error, error};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token`
[INFO] [stdout]  --> src/environment.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::token;
[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/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::debug;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::ast::{Expr, Stmt};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/astprinter.rs:74:101
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...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]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |        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: 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: type alias `Env` is never used
[INFO] [stdout]   --> src/environment.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Env = Rc<RefCell<HashMap<String, Option<Types>>>>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/error.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     RunTime{
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 25 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     interpreter.interpret(expressions);
[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] 97 |     let _ = interpreter.interpret(expressions);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]   --> src/interpreter.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |             &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 `Expr` should have a snake case name
[INFO] [stdout]   --> src/interpreter.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |             &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:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |             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:102:34
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Stmt::VarDeclaration(Token,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:102:40
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Stmt::VarDeclaration(Token,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:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |             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:123:39
[INFO] [stdout]     |
[INFO] [stdout] 123 |             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: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/astprinter.rs:74:101
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...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]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |        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: type alias `Env` is never used
[INFO] [stdout]   --> src/environment.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Env = Rc<RefCell<HashMap<String, Option<Types>>>>;
[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:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     RunTime{
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 25 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     interpreter.interpret(expressions);
[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] 97 |     let _ = interpreter.interpret(expressions);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Expr` should have a snake case name
[INFO] [stdout]   --> src/interpreter.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |             &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 `Expr` should have a snake case name
[INFO] [stdout]   --> src/interpreter.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |             &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:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |             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:102:34
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Stmt::VarDeclaration(Token,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:102:40
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Stmt::VarDeclaration(Token,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:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |             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:123:39
[INFO] [stdout]     |
[INFO] [stdout] 123 |             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:567:9
[INFO] [stdout]     |
[INFO] [stdout] 567 |         interpreter.interpret(statements);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let _ = interpreter.interpret(statements);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "2886dd836a4bbc622b65fa385f00d7add073ff85dccacf3182a0a20c815d6c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2886dd836a4bbc622b65fa385f00d7add073ff85dccacf3182a0a20c815d6c86", kill_on_drop: false }`
[INFO] [stdout] 2886dd836a4bbc622b65fa385f00d7add073ff85dccacf3182a0a20c815d6c86