[INFO] cloning repository https://github.com/kamchy/codecrafters-interpreter-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamchy/codecrafters-interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamchy%2Fcodecrafters-interpreter-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamchy%2Fcodecrafters-interpreter-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d2a1f043e0c41503f4cd2a0fa929a9571cd396e
[INFO] checking kamchy/codecrafters-interpreter-rust/5d2a1f043e0c41503f4cd2a0fa929a9571cd396e against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamchy%2Fcodecrafters-interpreter-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kamchy/codecrafters-interpreter-rust
[INFO] finished tweaking git repo https://github.com/kamchy/codecrafters-interpreter-rust
[INFO] tweaked toml for git repo https://github.com/kamchy/codecrafters-interpreter-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kamchy/codecrafters-interpreter-rust on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kamchy/codecrafters-interpreter-rust 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking kamchy/codecrafters-interpreter-rust/5d2a1f043e0c41503f4cd2a0fa929a9571cd396e against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamchy%2Fcodecrafters-interpreter-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kamchy/codecrafters-interpreter-rust
[INFO] finished tweaking git repo https://github.com/kamchy/codecrafters-interpreter-rust
[INFO] tweaked toml for git repo https://github.com/kamchy/codecrafters-interpreter-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kamchy/codecrafters-interpreter-rust on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kamchy/codecrafters-interpreter-rust 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a5495a39a19b7019bd907940f6340e7732b4e9c913490ec47d35edba0f0e844
[INFO] running `Command { std: "docker" "start" "-a" "6a5495a39a19b7019bd907940f6340e7732b4e9c913490ec47d35edba0f0e844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a5495a39a19b7019bd907940f6340e7732b4e9c913490ec47d35edba0f0e844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5495a39a19b7019bd907940f6340e7732b4e9c913490ec47d35edba0f0e844", kill_on_drop: false }`
[INFO] [stdout] 6a5495a39a19b7019bd907940f6340e7732b4e9c913490ec47d35edba0f0e844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea3adee9bc6662fb2890f5cc6b040f43b6f54d20e604730d987c343388ab9f1a
[INFO] running `Command { std: "docker" "start" "-a" "ea3adee9bc6662fb2890f5cc6b040f43b6f54d20e604730d987c343388ab9f1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking codecrafters-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::borrow`
[INFO] [stdout]  --> src/environment.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `borrow::Borrow`, `cell::RefCell`, `hash::Hash`, and `rc::Rc`
[INFO] [stdout]  --> src/environment.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{borrow::Borrow, cell::RefCell, collections::HashMap, hash::Hash, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^                        ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tests`
[INFO] [stdout]  --> src/environment.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     tests,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `borrow::BorrowMut`, `cell::RefCell`, and `rc::Rc`
[INFO] [stdout]  --> src/evaluator.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::BorrowMut, cell::RefCell, error::Error, fmt::Display, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::borrow`
[INFO] [stdout]  --> src/environment.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `borrow::Borrow`, `cell::RefCell`, `hash::Hash`, and `rc::Rc`
[INFO] [stdout]  --> src/environment.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{borrow::Borrow, cell::RefCell, collections::HashMap, hash::Hash, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^                        ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tests`
[INFO] [stdout]  --> src/environment.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     tests,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `borrow::BorrowMut`, `cell::RefCell`, and `rc::Rc`
[INFO] [stdout]  --> src/evaluator.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::BorrowMut, cell::RefCell, error::Error, fmt::Display, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_stmts` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn print_stmts(v: &Vec<Stmt>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_stmts` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn print_stmts(v: &Vec<Stmt>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "ea3adee9bc6662fb2890f5cc6b040f43b6f54d20e604730d987c343388ab9f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3adee9bc6662fb2890f5cc6b040f43b6f54d20e604730d987c343388ab9f1a", kill_on_drop: false }`
[INFO] [stdout] ea3adee9bc6662fb2890f5cc6b040f43b6f54d20e604730d987c343388ab9f1a