[INFO] cloning repository https://github.com/armanchhetri/Interpreter-from-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/armanchhetri/Interpreter-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmanchhetri%2FInterpreter-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmanchhetri%2FInterpreter-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57f8e78d128ce2a85bc3a6fbe2dced74757528e4
[INFO] checking armanchhetri/Interpreter-from-scratch against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmanchhetri%2FInterpreter-from-scratch" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/armanchhetri/Interpreter-from-scratch
[INFO] finished tweaking git repo https://github.com/armanchhetri/Interpreter-from-scratch
[INFO] tweaked toml for git repo https://github.com/armanchhetri/Interpreter-from-scratch written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/armanchhetri/Interpreter-from-scratch on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/armanchhetri/Interpreter-from-scratch 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 911189465f97a83624c182032829e5979e1cd438c2d62a4db3aff62a16481d3c
[INFO] running `Command { std: "docker" "start" "-a" "911189465f97a83624c182032829e5979e1cd438c2d62a4db3aff62a16481d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "911189465f97a83624c182032829e5979e1cd438c2d62a4db3aff62a16481d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911189465f97a83624c182032829e5979e1cd438c2d62a4db3aff62a16481d3c", kill_on_drop: false }`
[INFO] [stdout] 911189465f97a83624c182032829e5979e1cd438c2d62a4db3aff62a16481d3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b1a7f71318df240ecd7d0b8f57fab5f0110672bf30c8ae0d1860c711edc3d6
[INFO] running `Command { std: "docker" "start" "-a" "73b1a7f71318df240ecd7d0b8f57fab5f0110672bf30c8ae0d1860c711edc3d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking codecrafters-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `source_code`
[INFO] [stdout]   --> src/errors/mod.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn display_errors(&self, source_code: &str) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_code`
[INFO] [stdout]   --> src/errors/mod.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn display_errors(&self, source_code: &str) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "73b1a7f71318df240ecd7d0b8f57fab5f0110672bf30c8ae0d1860c711edc3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b1a7f71318df240ecd7d0b8f57fab5f0110672bf30c8ae0d1860c711edc3d6", kill_on_drop: false }`
[INFO] [stdout] 73b1a7f71318df240ecd7d0b8f57fab5f0110672bf30c8ae0d1860c711edc3d6
