[INFO] cloning repository https://github.com/KubaJagiello/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/KubaJagiello/Lox-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKubaJagiello%2FLox-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKubaJagiello%2FLox-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95bfd08ffae967fa7d136a05f4564136ad6c843c
[INFO] checking KubaJagiello/Lox-interpreter against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKubaJagiello%2FLox-interpreter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KubaJagiello/Lox-interpreter on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KubaJagiello/Lox-interpreter
[INFO] finished tweaking git repo https://github.com/KubaJagiello/Lox-interpreter
[INFO] tweaked toml for git repo https://github.com/KubaJagiello/Lox-interpreter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KubaJagiello/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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 621d074fe5cc5d382076cac43252846c7a6e589d9a605f2588ef9153ee530d37
[INFO] running `Command { std: "docker" "start" "-a" "621d074fe5cc5d382076cac43252846c7a6e589d9a605f2588ef9153ee530d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "621d074fe5cc5d382076cac43252846c7a6e589d9a605f2588ef9153ee530d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621d074fe5cc5d382076cac43252846c7a6e589d9a605f2588ef9153ee530d37", kill_on_drop: false }`
[INFO] [stdout] 621d074fe5cc5d382076cac43252846c7a6e589d9a605f2588ef9153ee530d37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 874f273a322e48043a71976eb06b95767dad91e10e6c274d94d583ea831b1faf
[INFO] running `Command { std: "docker" "start" "-a" "874f273a322e48043a71976eb06b95767dad91e10e6c274d94d583ea831b1faf", kill_on_drop: false }`
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `base_name`
[INFO] [stdout]   --> src/bin/generate_ast.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn define_type(writer: &mut BufWriter<File>, base_name: &str, struct_name: &str, field_list: &str) {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_name`
[INFO] [stdout]   --> src/bin/generate_ast.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn define_type(writer: &mut BufWriter<File>, base_name: &str, struct_name: &str, field_list: &str) {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_name`
[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 0.23s
[INFO] running `Command { std: "docker" "inspect" "874f273a322e48043a71976eb06b95767dad91e10e6c274d94d583ea831b1faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874f273a322e48043a71976eb06b95767dad91e10e6c274d94d583ea831b1faf", kill_on_drop: false }`
[INFO] [stdout] 874f273a322e48043a71976eb06b95767dad91e10e6c274d94d583ea831b1faf