[INFO] cloning repository https://github.com/Arichy/lox-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arichy/lox-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArichy%2Flox-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArichy%2Flox-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3af75e88af4ab2060c5b8a9e300ad7a4321adc30
[INFO] checking Arichy/lox-interpreter against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArichy%2Flox-interpreter" "/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/Arichy/lox-interpreter
[INFO] finished tweaking git repo https://github.com/Arichy/lox-interpreter
[INFO] tweaked toml for git repo https://github.com/Arichy/lox-interpreter written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arichy/lox-interpreter on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arichy/lox-interpreter 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5145b430f6e0443c250130cbe59ea8170f8eb79433fe59f4d7f17244f8e4de37
[INFO] running `Command { std: "docker" "start" "-a" "5145b430f6e0443c250130cbe59ea8170f8eb79433fe59f4d7f17244f8e4de37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5145b430f6e0443c250130cbe59ea8170f8eb79433fe59f4d7f17244f8e4de37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5145b430f6e0443c250130cbe59ea8170f8eb79433fe59f4d7f17244f8e4de37", kill_on_drop: false }`
[INFO] [stdout] 5145b430f6e0443c250130cbe59ea8170f8eb79433fe59f4d7f17244f8e4de37
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91a73e07bedf66e6e456c4bab004d9f4e5e81ef1ea510bba62d1f84cbb947cc4
[INFO] running `Command { std: "docker" "start" "-a" "91a73e07bedf66e6e456c4bab004d9f4e5e81ef1ea510bba62d1f84cbb947cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstyle v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking supports-color v3.0.1
[INFO] [stderr]     Checking supports-hyperlinks v3.0.0
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking anstream v0.6.17
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking miette v7.2.0
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]     Checking codecrafters-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `traverse`
[INFO] [stdout]  --> examples/visitor.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ast::{traverse, VisitContext, Visitor},
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/visitor.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     visitor.visit_program(&ast, &mut ctx);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = visitor.visit_program(&ast, &mut ctx);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.43s
[INFO] running `Command { std: "docker" "inspect" "91a73e07bedf66e6e456c4bab004d9f4e5e81ef1ea510bba62d1f84cbb947cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a73e07bedf66e6e456c4bab004d9f4e5e81ef1ea510bba62d1f84cbb947cc4", kill_on_drop: false }`
[INFO] [stdout] 91a73e07bedf66e6e456c4bab004d9f4e5e81ef1ea510bba62d1f84cbb947cc4
