[INFO] cloning repository https://github.com/Karribalu/rs-monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Karribalu/rs-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarribalu%2Frs-monkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarribalu%2Frs-monkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f6155ef1033f729527d1c4c2774a15d5c2d4bbc
[INFO] checking Karribalu/rs-monkey against try#51b1964e35e5e26f8cd938940f0da6f7b5cc54fc for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarribalu%2Frs-monkey" "/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/Karribalu/rs-monkey on toolchain 51b1964e35e5e26f8cd938940f0da6f7b5cc54fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Karribalu/rs-monkey
[INFO] finished tweaking git repo https://github.com/Karribalu/rs-monkey
[INFO] tweaked toml for git repo https://github.com/Karribalu/rs-monkey written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Karribalu/rs-monkey 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" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa6af0bbc0f3c1a924dc3417d2595a6e8396666ab2b698030c086d13e7b6c257
[INFO] running `Command { std: "docker" "start" "-a" "aa6af0bbc0f3c1a924dc3417d2595a6e8396666ab2b698030c086d13e7b6c257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa6af0bbc0f3c1a924dc3417d2595a6e8396666ab2b698030c086d13e7b6c257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6af0bbc0f3c1a924dc3417d2595a6e8396666ab2b698030c086d13e7b6c257", kill_on_drop: false }`
[INFO] [stdout] aa6af0bbc0f3c1a924dc3417d2595a6e8396666ab2b698030c086d13e7b6c257
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c33b8f27db3aa217c12df5c9890ca8d6369a7e30bd47976596feeaefb9816f13
[INFO] running `Command { std: "docker" "start" "-a" "c33b8f27db3aa217c12df5c9890ca8d6369a7e30bd47976596feeaefb9816f13", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]     Checking rs-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ast::Expression::Identifier`
[INFO] [stdout]    --> src/ast.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     use crate::ast::Expression::Identifier;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockStatement`, `ExpressionStatement`, `FunctionLiteral`, `IdentifierExpression`, and `Statement`
[INFO] [stdout]    --> src/ast.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |         BlockStatement, ExpressionStatement, FunctionLiteral, IdentifierExpression, Statement,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::Lexer`
[INFO] [stdout]    --> src/lexer.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     use crate::lexer::Lexer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]    --> src/lexer.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use crate::token::Token;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::Expression::Identifier`
[INFO] [stdout]    --> src/parser.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |     use crate::ast::Expression::Identifier;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockStatement`, `CallExpression`, `ExpressionStatement`, `Expression`, `FunctionLiteral`, `IdentifierExpression`, `IfExpression`, `InfixExpression`, `LetStatement`, `PrefixExpression`, `ReturnStatement`, and `Statement`
[INFO] [stdout]    --> src/parser.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         BlockStatement, CallExpression, Expression, ExpressionStatement, FunctionLiteral,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 346 |         IdentifierExpression, IfExpression, InfixExpression, LetStatement, PrefixExpression,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 347 |         Program, ReturnStatement, Statement,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]    --> src/parser.rs:350:25
[INFO] [stdout]     |
[INFO] [stdout] 350 |     use crate::parser::{ParseError, ParseResult, Parser};
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]    --> src/parser.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     use crate::token::Token;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]    --> src/parser.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |     use std::ops::Add;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/evaluator.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         match statement {
[INFO] [stdout] 27 | |             Statement::Let(let_statement) => {
[INFO] [stdout] 28 | |                 let res = eval_let_statement(&let_statement)?;
[INFO] [stdout] 29 | |                 // env.set()
[INFO] [stdout] 30 | |                 Object::Null
[INFO] [stdout]    | |                 ^^^^^^^^^^^^ expected `()`, found `Object`
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |         }
[INFO] [stdout]    | |_________- expected this to be `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/evaluator.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         match statement {
[INFO] [stdout] 27 | |             Statement::Let(let_statement) => {
[INFO] [stdout] 28 | |                 let res = eval_let_statement(&let_statement)?;
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |                 Object::Null
[INFO] [stdout]    | |                 ^^^^^^^^^^^^ expected `()`, found `Object`
[INFO] [stdout] 41 | |             }
[INFO] [stdout] 42 | |         }
[INFO] [stdout]    | |_________- expected this to be `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/evaluator.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         match statement {
[INFO] [stdout] 27 | |             Statement::Let(let_statement) => {
[INFO] [stdout] 28 | |                 let res = eval_let_statement(&let_statement)?;
[INFO] [stdout] 29 | |                 // env.set()
[INFO] [stdout] 30 | |                 Object::Null
[INFO] [stdout]    | |                 ^^^^^^^^^^^^ expected `()`, found `Object`
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |         }
[INFO] [stdout]    | |_________- expected this to be `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/evaluator.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         match statement {
[INFO] [stdout] 27 | |             Statement::Let(let_statement) => {
[INFO] [stdout] 28 | |                 let res = eval_let_statement(&let_statement)?;
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |                 Object::Null
[INFO] [stdout]    | |                 ^^^^^^^^^^^^ expected `()`, found `Object`
[INFO] [stdout] 41 | |             }
[INFO] [stdout] 42 | |         }
[INFO] [stdout]    | |_________- expected this to be `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `statement`
[INFO] [stdout]   --> src/evaluator.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn eval_let_statement(statement: &LetStatement) -> EvalResult<Object> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-monkey` (bin "rs-monkey") due to 2 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `statement`
[INFO] [stdout]   --> src/evaluator.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn eval_let_statement(statement: &LetStatement) -> EvalResult<Object> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-monkey` (bin "rs-monkey" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c33b8f27db3aa217c12df5c9890ca8d6369a7e30bd47976596feeaefb9816f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33b8f27db3aa217c12df5c9890ca8d6369a7e30bd47976596feeaefb9816f13", kill_on_drop: false }`
[INFO] [stdout] c33b8f27db3aa217c12df5c9890ca8d6369a7e30bd47976596feeaefb9816f13