[INFO] cloning repository https://github.com/baevm/monkey-lang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baevm/monkey-lang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaevm%2Fmonkey-lang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaevm%2Fmonkey-lang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83067a60e33460320f45519bcfd61137dfcfdb80
[INFO] checking baevm/monkey-lang-rs against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaevm%2Fmonkey-lang-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/baevm/monkey-lang-rs
[INFO] finished tweaking git repo https://github.com/baevm/monkey-lang-rs
[INFO] tweaked toml for git repo https://github.com/baevm/monkey-lang-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/baevm/monkey-lang-rs on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/baevm/monkey-lang-rs 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bfef2235622c2b73b2e4307b714a898a25a96f3f69564d3cd1897c9c31f5a02
[INFO] running `Command { std: "docker" "start" "-a" "2bfef2235622c2b73b2e4307b714a898a25a96f3f69564d3cd1897c9c31f5a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bfef2235622c2b73b2e4307b714a898a25a96f3f69564d3cd1897c9c31f5a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfef2235622c2b73b2e4307b714a898a25a96f3f69564d3cd1897c9c31f5a02", kill_on_drop: false }`
[INFO] [stdout] 2bfef2235622c2b73b2e4307b714a898a25a96f3f69564d3cd1897c9c31f5a02
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84102e4256770ec961c3d12eaad75de49a867a9a62f9f82a913b38f3587e453c
[INFO] running `Command { std: "docker" "start" "-a" "84102e4256770ec961c3d12eaad75de49a867a9a62f9f82a913b38f3587e453c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]     Checking monkey-lang-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/parser.rs:411:13
[INFO] [stdout]     |
[INFO] [stdout] 411 |             (Box::new(ArrayLiteral {
[INFO] [stdout]     |             ^
[INFO] [stdout] 412 |                 elements: self.parse_expression_list(TokenType::Rbracket),
[INFO] [stdout] 413 |             })),
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 411 ~             Box::new(ArrayLiteral {
[INFO] [stdout] 412 |                 elements: self.parse_expression_list(TokenType::Rbracket),
[INFO] [stdout] 413 ~             }),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/parser.rs:411:13
[INFO] [stdout]     |
[INFO] [stdout] 411 |             (Box::new(ArrayLiteral {
[INFO] [stdout]     |             ^
[INFO] [stdout] 412 |                 elements: self.parse_expression_list(TokenType::Rbracket),
[INFO] [stdout] 413 |             })),
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 411 ~             Box::new(ArrayLiteral {
[INFO] [stdout] 412 |                 elements: self.parse_expression_list(TokenType::Rbracket),
[INFO] [stdout] 413 ~             }),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/parser.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 panic!("TODO: add missing lbrace handling here");
[INFO] [stdout]     |                 ------------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 307 |                 return None;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/evaluator.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             _ => Object::Null(Box::new(Null {})),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/evaluator.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Expression::IntegerLiteral(integer_literal) => Object::Integer(Box::new(Integer {
[INFO] [stdout]     |             ------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 103 |             Expression::StringLiteral(str_literal) => Object::String(Box::new(StringObj {
[INFO] [stdout]     |             -------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 106 |             Expression::Boolean(boolean_literal) => Object::Boolean(Box::new(Boolean {
[INFO] [stdout]     |             ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 109 |             Expression::PrefixExpression(prefix_expr) => {
[INFO] [stdout]     |             ----------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 177 |             _ => Object::Null(Box::new(Null {})),
[INFO] [stdout]     |             ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/evaluator.rs:366:38
[INFO] [stdout]     |
[INFO] [stdout] 366 |         if let Object::InternalError(err) = obj {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/evaluator.rs:484:17
[INFO] [stdout]     |
[INFO] [stdout] 484 |                 other => unreachable!(),
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `token` is never read
[INFO] [stdout]   --> src/lexer.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut token: Token = Token {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/parser.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 panic!("TODO: add missing lbrace handling here");
[INFO] [stdout]     |                 ------------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 307 |                 return None;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/ast.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Program {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 34 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/evaluator.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             _ => Object::Null(Box::new(Null {})),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/evaluator.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Expression::IntegerLiteral(integer_literal) => Object::Integer(Box::new(Integer {
[INFO] [stdout]     |             ------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 103 |             Expression::StringLiteral(str_literal) => Object::String(Box::new(StringObj {
[INFO] [stdout]     |             -------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 106 |             Expression::Boolean(boolean_literal) => Object::Boolean(Box::new(Boolean {
[INFO] [stdout]     |             ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 109 |             Expression::PrefixExpression(prefix_expr) => {
[INFO] [stdout]     |             ----------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 177 |             _ => Object::Null(Box::new(Null {})),
[INFO] [stdout]     |             ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/evaluator.rs:366:38
[INFO] [stdout]     |
[INFO] [stdout] 366 |         if let Object::InternalError(err) = obj {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/evaluator.rs:484:17
[INFO] [stdout]     |
[INFO] [stdout] 484 |                 other => unreachable!(),
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `int_obj`
[INFO] [stdout]    --> src/evaluator.rs:705:40
[INFO] [stdout]     |
[INFO] [stdout] 705 |                 if let Object::Integer(int_obj) = &evaluated {
[INFO] [stdout]     |                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_int_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `null_obj`
[INFO] [stdout]     --> src/evaluator.rs:1194:26
[INFO] [stdout]      |
[INFO] [stdout] 1194 |         let Object::Null(null_obj) = obj else {
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_null_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `token` is never read
[INFO] [stdout]   --> src/lexer.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut token: Token = Token {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_let_statement` is never used
[INFO] [stdout]     --> src/parser.rs:1661:8
[INFO] [stdout]      |
[INFO] [stdout] 1661 |     fn test_let_statement(stmt: &Statement, expected: &str) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "84102e4256770ec961c3d12eaad75de49a867a9a62f9f82a913b38f3587e453c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84102e4256770ec961c3d12eaad75de49a867a9a62f9f82a913b38f3587e453c", kill_on_drop: false }`
[INFO] [stdout] 84102e4256770ec961c3d12eaad75de49a867a9a62f9f82a913b38f3587e453c