[INFO] cloning repository https://github.com/mijon/monkey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mijon/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmijon%2Fmonkey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmijon%2Fmonkey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7021f537ce640f86031089abd653a9cf3261af8f [INFO] checking mijon/monkey against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmijon%2Fmonkey" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mijon/monkey [INFO] finished tweaking git repo https://github.com/mijon/monkey [INFO] tweaked toml for git repo https://github.com/mijon/monkey written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mijon/monkey on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mijon/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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6794d4622856b6f50709e048ee9d9a3ef3ba742a6191d78b3792c5991062f3c [INFO] running `Command { std: "docker" "start" "-a" "a6794d4622856b6f50709e048ee9d9a3ef3ba742a6191d78b3792c5991062f3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6794d4622856b6f50709e048ee9d9a3ef3ba742a6191d78b3792c5991062f3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6794d4622856b6f50709e048ee9d9a3ef3ba742a6191d78b3792c5991062f3c", kill_on_drop: false }` [INFO] [stdout] a6794d4622856b6f50709e048ee9d9a3ef3ba742a6191d78b3792c5991062f3c [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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d88bc055c760493e003b0092933e64e71d266cc56b1916a6d1ab9b6efc52cb55 [INFO] running `Command { std: "docker" "start" "-a" "d88bc055c760493e003b0092933e64e71d266cc56b1916a6d1ab9b6efc52cb55", kill_on_drop: false }` [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/token.rs:68:35 [INFO] [stdout] | [INFO] [stdout] 68 | TokenType::Identifier(r) => "Identifier ({r})".to_string(), [INFO] [stdout] | ^ ------------------ you might have meant to use string interpolation in this string literal [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: string interpolation only works in `format!` invocations [INFO] [stdout] | [INFO] [stdout] 68 | TokenType::Identifier(r) => format!("Identifier ({r})").to_string(), [INFO] [stdout] | ++++++++ + [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 68 | TokenType::Identifier(_r) => "Identifier ({r})".to_string(), [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/token.rs:69:28 [INFO] [stdout] | [INFO] [stdout] 69 | TokenType::Int(n) => "Int ({n})".to_string(), [INFO] [stdout] | ^ ----------- you might have meant to use string interpolation in this string literal [INFO] [stdout] | [INFO] [stdout] help: string interpolation only works in `format!` invocations [INFO] [stdout] | [INFO] [stdout] 69 | TokenType::Int(n) => format!("Int ({n})").to_string(), [INFO] [stdout] | ++++++++ + [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 69 | TokenType::Int(_n) => "Int ({n})".to_string(), [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Node` is never used [INFO] [stdout] --> src/ast.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Statement` is never used [INFO] [stdout] --> src/ast.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | trait Statement: Node {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Expression` is never used [INFO] [stdout] --> src/ast.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | trait Expression: Node {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Program` is never constructed [INFO] [stdout] --> src/ast.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Program { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LetStatement` is never constructed [INFO] [stdout] --> src/ast.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct LetStatement { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Identifier` is never constructed [INFO] [stdout] --> src/ast.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | struct Identifier { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokens_to_tokentypes` is never used [INFO] [stdout] --> src/token.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn tokens_to_tokentypes(tokens: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/token.rs:68:35 [INFO] [stdout] | [INFO] [stdout] 68 | TokenType::Identifier(r) => "Identifier ({r})".to_string(), [INFO] [stdout] | ^ ------------------ you might have meant to use string interpolation in this string literal [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: string interpolation only works in `format!` invocations [INFO] [stdout] | [INFO] [stdout] 68 | TokenType::Identifier(r) => format!("Identifier ({r})").to_string(), [INFO] [stdout] | ++++++++ + [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 68 | TokenType::Identifier(_r) => "Identifier ({r})".to_string(), [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/token.rs:69:28 [INFO] [stdout] | [INFO] [stdout] 69 | TokenType::Int(n) => "Int ({n})".to_string(), [INFO] [stdout] | ^ ----------- you might have meant to use string interpolation in this string literal [INFO] [stdout] | [INFO] [stdout] help: string interpolation only works in `format!` invocations [INFO] [stdout] | [INFO] [stdout] 69 | TokenType::Int(n) => format!("Int ({n})").to_string(), [INFO] [stdout] | ++++++++ + [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 69 | TokenType::Int(_n) => "Int ({n})".to_string(), [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Node` is never used [INFO] [stdout] --> src/ast.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Statement` is never used [INFO] [stdout] --> src/ast.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | trait Statement: Node {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Expression` is never used [INFO] [stdout] --> src/ast.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | trait Expression: Node {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Program` is never constructed [INFO] [stdout] --> src/ast.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Program { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LetStatement` is never constructed [INFO] [stdout] --> src/ast.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct LetStatement { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Identifier` is never constructed [INFO] [stdout] --> src/ast.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | struct Identifier { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "d88bc055c760493e003b0092933e64e71d266cc56b1916a6d1ab9b6efc52cb55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d88bc055c760493e003b0092933e64e71d266cc56b1916a6d1ab9b6efc52cb55", kill_on_drop: false }` [INFO] [stdout] d88bc055c760493e003b0092933e64e71d266cc56b1916a6d1ab9b6efc52cb55