[INFO] cloning repository https://github.com/irvifa/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/irvifa/codecrafters-interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvifa%2Fcodecrafters-interpreter-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvifa%2Fcodecrafters-interpreter-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c15740b253a9953cdad4831334eadc1cccf34ed
[INFO] checking irvifa/codecrafters-interpreter-rust against try#da4929024a7261062885cb3209c9d7fdc919d233 for pr-135536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvifa%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] validating manifest of git repo https://github.com/irvifa/codecrafters-interpreter-rust on toolchain da4929024a7261062885cb3209c9d7fdc919d233
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da4929024a7261062885cb3209c9d7fdc919d233" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/irvifa/codecrafters-interpreter-rust
[INFO] finished tweaking git repo https://github.com/irvifa/codecrafters-interpreter-rust
[INFO] tweaked toml for git repo https://github.com/irvifa/codecrafters-interpreter-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/irvifa/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" "+da4929024a7261062885cb3209c9d7fdc919d233" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+da4929024a7261062885cb3209c9d7fdc919d233" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cf0d811c1eba1e2a173b6999a07c72ff4d747693add9ced47e9b25b25d9c2a0
[INFO] running `Command { std: "docker" "start" "-a" "5cf0d811c1eba1e2a173b6999a07c72ff4d747693add9ced47e9b25b25d9c2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cf0d811c1eba1e2a173b6999a07c72ff4d747693add9ced47e9b25b25d9c2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf0d811c1eba1e2a173b6999a07c72ff4d747693add9ced47e9b25b25d9c2a0", kill_on_drop: false }`
[INFO] [stdout] 5cf0d811c1eba1e2a173b6999a07c72ff4d747693add9ced47e9b25b25d9c2a0
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+da4929024a7261062885cb3209c9d7fdc919d233" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd9136ef489f316f04154198983f8d368a5590437f446c00fa3e321752ab508e
[INFO] running `Command { std: "docker" "start" "-a" "bd9136ef489f316f04154198983f8d368a5590437f446c00fa3e321752ab508e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking interpreter-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `scanner` is never read
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Parser<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     scanner: Scanner<'a>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scanner` is never read
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Parser<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     scanner: Scanner<'a>,
[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 4.57s
[INFO] running `Command { std: "docker" "inspect" "bd9136ef489f316f04154198983f8d368a5590437f446c00fa3e321752ab508e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9136ef489f316f04154198983f8d368a5590437f446c00fa3e321752ab508e", kill_on_drop: false }`
[INFO] [stdout] bd9136ef489f316f04154198983f8d368a5590437f446c00fa3e321752ab508e